Smart Grid and Renewable Energy Grid Integration. Jian Sun, Professor and Director Department of ECSE & Center for Future Energy Systems

Size: px
Start display at page:

Download "Smart Grid and Renewable Energy Grid Integration. Jian Sun, Professor and Director Department of ECSE & Center for Future Energy Systems"

Transcription

1 Smart Grid and Renewable Energy Grid Integration Jian Sun, Professor and Director Department of ECSE & Center for Future Energy Systems 1

2 How Smart Can We Make This Grid? 2

3 Smart Grid Drivers Need to Use Renewable Energy Peak Oil; Energy Security GHG Emission; Climate Change Electrification of Transportation Sector Energy Storage Demand Response; Efficient Utilization Stronger Transmission Network Intelligent, Bidirectional Distribution System 3

4 Energy is a National Priority Energy Security Energy Efficiency 1 Climate Change Renewable Energy 2 Nuclear 3 Energy Green Economy 4

5 Role of Power Electronics Renewable Generation Energy Storage Load Manag. Smart Grid 5

6 Production of AC With Electric Machines With Power Electronics B( ) v(t) t 6

7 Traditional vs. Wind Generators Traditional Generator Prime Mover Control Excitation Control Limited Controllability at Low Frequencies Complex Control & Dynamics at High Frequencies Large Wind Generator Turbine Speed Control DC-Link Control Grid Q & V Control Grid Synchronization Current Semiconductor Control Switching Frequency (Hertz) 7

8 Grid Operation & Control Fast, Autonomous Control of Many Units Number of Units (N) Central Control Manual Dispatch Hz Control Frequency (F) 8

9 Impedance is a Key Parameter Im + V s Z s Source + V l Z l Load Gain Margin 1 Re Vl ( s) V ( s) Z s l Zl ( s) ( s) Z s ( s) 1 1 Z s ( s) Z ( s) l c Phase Margin Partition System into a Source and a Load Subsystem Determine Source Subsystem Output Impedance (Z s ) and Load Subsystem Input Impedance (Z l ) System is Stability if Z s /Z l Meets Nyquist Stability Criterion 9

10 Grid-Parallel Inverter Stability Voltage-Source System Current-Source System Grid-Connected Inverters are Controlled as Current Sources Different System Model and Stability Requirement Ratio of Grid Impedance to Inverter Output Impedance Must Meet Nyquist Stability Criterion 10

11 An Example Solar Inverter 11

12 Grid Impedance Line + Transformer + Generator Impedance Typically Inductive at Fundamental Frequency Focus of Traditional Power System Theory Weak Grid Resonance at Harmonic Frequencies Effects of Loads; Variability with Time Effects of Neighboring Renewable Sources Active Control; Different from Passive Impedance 12

13 Inverter Output Impedance Depends on Physical Design and Control Filter Inductors and Capacitors (L, LC, LCL) Current & Voltage Control, Grid Synchronization Inverter Impedance Modeling Native Circuit & Control Models are Nonlinear Small-Signal Impedance has to be Used Time-Varying Operation; No DC Operation Point Traditional Linearization Methods cannot be Applied 13

14 Small-Signal Modeling Phasor-Based Methods Not Compatible with Impedance-Based Analysis Limited to Line Fundamental Frequency DQ-Transformation Method Impedance in DQ-Coordinate System is Difficult to Measure and Interpret Coupling between DQ Axes Requires Generalized Nyquist Criterion Direct Harmonic Linearization 14

15 Three-Phase Converter Modeling Decomposition Using Symmetric Components Positive-Sequence Impedance Negative-Sequence Impedance Zero-Sequence Impedance Usually Open-Circuit Single-Phase Model for Each Sequence Component No Crossing Coupling between Positive and Negative Sequence Subsystems v a v b v c i a i b i c Positive Sequence + v p i p + Negative Sequence + v p i n 15

16 Smart Grid System Test-Bed Need a Controllable Grid to Emulate Different Grid Conditions Test Analysis Method and System Theory Demonstrate System Control Techniques A System Test-Bed has been Developed Grid Simulator Programmable Voltage, Frequency, Harmonic Contents, and Impedance Single or Three-Phase Operation, 75 kw Power Standalone, Grid Parallel Mode, Micro Grid 16

17 Central Inverters (3) PV Simulators 17 Simulated Grid with Programmable Volt/Freq/Impedance Inverters (20) Grid Simulator Utility Grid = ~ = ~ = ~ = ~ ~ = 4 th = G M ~ th Gen Wind Turbine Simulator Electronic Loads

18 Single-Phase Solar Inverter L p = 0 mh Grid Voltage (500V/div) L p = 12.8 mh Grid Voltage (500V/div) Grid Current (10A/div) Grid Current (10A/div) 18

19 Harmonic Resonance I h /I 1 (%) L p = 0 mh L p = 12.8 mh h 19

20 Three-Phase Wind Inverter i a (5 A/div.) i b (5 A/div.) i c (5 A/div.) rd PLL Bandwidth 100 Hz PLL Bandwidth 10 Hz Sequence Gain Margin Phase Margin Positive 1.04 db 5 Negative 15 db 42 Sequence Gain Margin Phase Margin Positive >15 db 25 Negative >15 db 55 20

21 Nature of Harmonic Resonance 21

22 Inverter Impedance Shaping Grid Synchronization Methods Current Control Loop Active Damping Online Grid Impedance Identification Adaptive Control Inverter Interactions in Wind Farms 22

23 HVDC for Offshore Wind Farms 690 V Stability & Control of AC Collection Bus Speed Source ω mech PM 1600 rpm Direct-Drive Technology Speed Source ω mech PM 1600 rpm Speed Source ω mech PM 1600 rpm 690 V 690 V 7 km 7 km 7 km 33kV AC Bus HVDC Rectifier (VSC or LCC) 300 MVA STATCOM HVDC Speed Source ω mech PM 1600 rpm Speed Source 400*2.5MW Turbines ω mech PM 1600 rpm 690 V 690 V 7 km 7 km 7km Cable AC Bus Filters 23

24 Multi-Terminal HVDC DC Output from Individual Turbines Series and Parallel Connections Modular Voltage-Source Converter Design 24

25 Hybrid AC-DC System Test-Bed Utility Grid ~ = ~ = MT HVDC ~ = ~ = = ~ Real-Time Simulator ~ = = ~ AC DG Test-Bed 25

26 Summary Renewable Energy and Electric Transportation Will Drive Smart Grid Development Energy Storage and Demand Management Required Ubiquitous Use of Power Electronics New Stability Problems at High Frequencies New Modeling and Analysis Tools Needed Fast, Autonomous Control are Essential New Impedance-Based System Analysis Methods Hardware-in-the-Loop System Test-Bed for Validation and Demonstration 26

Renewable Energy Grid Integration

Renewable Energy Grid Integration Renewable Energy Grid Integration Jian Sun Professor and Director Grid Integration Issues Cost, Reliability & Efficiency of Grid Interface Grid Congestion, Weak Grids Variability of Renewable Production

More information

Control Development and Modeling for Flexible DC Grids in Modelica

Control Development and Modeling for Flexible DC Grids in Modelica Control Development and Modeling for Flexible DC Grids in Modelica Andreas Olenmark 1 Jens Sloth 2 Anna Johnsson 3 Carl Wilhelmsson 3 Jörgen Svensson 4 1 One Nordic AB, Sweden, andreas.olenmark@one-nordic.se.

More information

SABBATICAL REPORT. Submitted to. The Office of Provost. cc: The Improvement of Learning Committee. By Dr. X. Kou. Associate Professor

SABBATICAL REPORT. Submitted to. The Office of Provost. cc: The Improvement of Learning Committee. By Dr. X. Kou. Associate Professor SABBATICAL REPORT Submitted to The Office of Provost cc: The Improvement of Learning Committee By Dr. X. Kou Associate Professor Electrical Engineering Department University of Wisconsin Platteville Sep.

More information

Impact of increased penetration of wind and PV solar resources on the bulk power system

Impact of increased penetration of wind and PV solar resources on the bulk power system Impact of increased penetration of wind and PV solar resources on the bulk power system Vijay Vittal Ira A. Fulton Chair Professor School of Electrical, Computer and Energy Engineering Arizona State University

More information

Active Compensation Technique for Converter-Fed AC Microgrids

Active Compensation Technique for Converter-Fed AC Microgrids Active Compensation Technique for Converter-Fed AC Microgrids Bharathikannan S, Angalaeswari S Abstract The energy sector is moving towards extensive use of power electronic (PE) converters to interface

More information

Renewable Energy Applications: Photovoltaic and Wind Energy Conversion Systems (WECS)

Renewable Energy Applications: Photovoltaic and Wind Energy Conversion Systems (WECS) Renewable Energy Applications: Photovoltaic and Wind Energy Conversion Systems (WECS) Josep Pou Antoni Arias Page 1 Outline 1. Renewable Energy Perspectives 2. Solar Photovoltaic (PV) 3. Wind Generation

More information

Variable Frequency Drives - a Comparison of VSI versus LCI Systems

Variable Frequency Drives - a Comparison of VSI versus LCI Systems Variable Frequency Drives - a Comparison of VSI versus LCI Systems Introduction TMEIC is a leader in the innovative design and manufacture of large ac variable f requency drive systems. TMEIC has been

More information

Fundamentals of Power Electronics. Robert W. Erickson University of Colorado, Boulder

Fundamentals of Power Electronics. Robert W. Erickson University of Colorado, Boulder Robert W. Erickson University of Colorado, Boulder 1 1.1. Introduction to power processing 1.2. Some applications of power electronics 1.3. Elements of power electronics Summary of the course 2 1.1 Introduction

More information

AC COUPLED HYBRID SYSTEMS AND MINI GRIDS

AC COUPLED HYBRID SYSTEMS AND MINI GRIDS , Michael; Hermes, Matthias SMA Technologie AG Hannoversche Str. 1-5 34266 Niestetal GERMANY E-mail: Michael.@SMA.de E-mail: Matthias.Hermes@SMA.de 1. INTRODUCTION Distributed supply based on renewable

More information

Modern Power Systems for Smart Energy Society

Modern Power Systems for Smart Energy Society Modern Power Systems for Smart Energy Society Zhe CHEN Professor, PhD Email: zch@et.aau.dk Website: http://homes.et.aau.dk/zch http://www.et.aau.dk 1 Contents Energy background in Denmark Challenges to

More information

Implementing Smart Grid Technologies in China: Experiences and Future Approach

Implementing Smart Grid Technologies in China: Experiences and Future Approach 1 Implementing Smart Grid Technologies in China: Experiences and Future Approach Presented by Jin Zhong and Qinwei Duan The University of Hong Kong Hong Kong SAR 2 Smart Grid in China Renewable energy

More information

2012 San Francisco Colloquium

2012 San Francisco Colloquium 2012 San Francisco Colloquium http : //www.cigre.org HVDC and Power Electronic Systems for Overhead Line and Insulated Cable Applications B4-8 Trans Bay Cable A Breakthrough of VSC Multilevel Converters

More information

The Synchronous Machine

The Synchronous Machine Experiment No. 5 The Synchronous Machine Synchronous ac machines find application as motors in constant speed applications and, when interfaced to the power source with a variable-frequency converter system,

More information

ONR/NSF-Sponsored Faculty/Industry Workshop

ONR/NSF-Sponsored Faculty/Industry Workshop ONR/NSF-Sponsored Faculty/Industry Workshop Reforming Power-Related Curriculum Power Electronics Presenter: Hariharan Krishnaswami Assistant Professor University of Texas at San Antonio New Electric Power

More information

Applications of Multilevel Inverter in Grid Connected PMSG Based Wind Power Generation System

Applications of Multilevel Inverter in Grid Connected PMSG Based Wind Power Generation System International Journal of Electronic and Electrical Engineering. ISSN 0974-2174 Volume 7, Number 8 (2014), pp. 867-872 International Research Publication House http://www.irphouse.com Applications of Multilevel

More information

Rectifying Power Quality Problems Using a Static Compensator in Wind Energy System

Rectifying Power Quality Problems Using a Static Compensator in Wind Energy System Rectifying Power Quality Problems Using a Static Compensator in Wind Energy System G. Boaz M.Tech (Electrical Power Systems), Department of EEE, Balaji Institute of Technology and Science, Laknepally,

More information

DESIGN and IMPLEMENTATION of a SHUNT ACTIVE POWER FILTER with REDUCED DC LINK VOLTAGE

DESIGN and IMPLEMENTATION of a SHUNT ACTIVE POWER FILTER with REDUCED DC LINK VOLTAGE DESIGN and IMPLEMENTATION of a SHUNT ACTIVE POWER FILTER with REDUCED DC LINK VOLTAGE O. Ucak, I. Kocabas, A. Terciyanli onur.ucak@uzay.tubitak.gov.tr TUBITAK- Space Technologies Research Institute, Power

More information

R. W. Erickson. Department of Electrical, Computer, and Energy Engineering University of Colorado, Boulder

R. W. Erickson. Department of Electrical, Computer, and Energy Engineering University of Colorado, Boulder R. W. Erickson Department of Electrical, Computer, and Energy Engineering University of Colorado, Boulder Introduction to Inverters Robert W. Erickson Department of Electrical, Computer, and Energy Engineering

More information

Microgrid Power Systems Lowering the LCOE of Hybrid Systems

Microgrid Power Systems Lowering the LCOE of Hybrid Systems Microgrid Power Systems Lowering the LCOE of Hybrid Systems 1 LCOE Drivers and Challenges for Hybrid Systems Maximizing renewable penetration Grid stability trade offs Frequency control Spinning reserve

More information

Power Conversion Systems for Microgrids. Burak Ozpineci Yan Xu Tom King Tom Rizy Oak Ridge National Laboratory

Power Conversion Systems for Microgrids. Burak Ozpineci Yan Xu Tom King Tom Rizy Oak Ridge National Laboratory Power Conversion Systems for Microgrids Burak Ozpineci Yan Xu Tom King Tom Rizy Oak Ridge National Laboratory Utility-Scale Power Electronics Needs Devices Device Issues Reliability Low cost Higher efficiency

More information

Sajith Shaik *, I.Raghavendar **

Sajith Shaik *, I.Raghavendar ** Power Quality Improvement Of Three Phase Four Wire Distribution System Using VSC With A Zig-Zag Transformer Sajith Shaik *, I.Raghavendar ** *(Department of Electrical Engineering, Teegala Krishna Reddy

More information

Offshore Platform Powered With New Electrical Motor Drive System

Offshore Platform Powered With New Electrical Motor Drive System Offshore Platform Powered With New Electrical Motor Drive System Authors: Jan O. Lamell, M.Sc E.E. ABB Automation Technologies Presenters: Thomas Johansson, M.Sc E.E. ABB Automation Technologies Timothy

More information

SOLAR WIND INTEGRATED SYSTEM ON OFFSHORE WITH LOW FREQUENCY POWER TRANSMISSION

SOLAR WIND INTEGRATED SYSTEM ON OFFSHORE WITH LOW FREQUENCY POWER TRANSMISSION SOLAR WIND INTEGRATED SYSTEM ON OFFSHORE WITH LOW FREQUENCY POWER TRANSMISSION Baggu Rajesh Kumar 1, D.Revathi 2 PG Student, Department of EEE, KIET, Kakinada, India. 1 Asst.Professor, Department of EEE,

More information

High Intensify Interleaved Converter for Renewable Energy Resources

High Intensify Interleaved Converter for Renewable Energy Resources High Intensify Interleaved Converter for Renewable Energy Resources K. Muthiah 1, S.Manivel 2, Gowthaman.N 3 1 PG Scholar, Jay Shriram Group of Institutions,Tirupur 2 Assistant Professor, Jay Shriram Group

More information

A Single-Phase Current Source Solar Inverter with Reduced-Size DC Link. Craig R. Bush

A Single-Phase Current Source Solar Inverter with Reduced-Size DC Link. Craig R. Bush A Single-Phase Current Source Solar Inverter with Reduced-Size DC Link Craig R. Bush Bingsen Wang Senior Member, IEEE Student Member, IEEE Arizona State University P.O. Box 875706 Tempe, AZ 85287, USA

More information

ISPS2014 Workshop Energy to Smart Grids Presenting results of ENIAC project: E2SG (Energy to Smart Grid)

ISPS2014 Workshop Energy to Smart Grids Presenting results of ENIAC project: E2SG (Energy to Smart Grid) ISPS2014 Workshop Energy to Smart Grids Presenting results of ENIAC project: E2SG (Energy to Smart Grid) Bidirectional isolating AC/DC converter for coupling DC grids with the AC mains based on a modular

More information

HVDC-VSC: transmission technology of the future

HVDC-VSC: transmission technology of the future A bi-pole ± 285 kv HVDC line sandwiched between 3-phase 400 kv HVAC lines. HVDC-VSC: transmission technology of the future A new hybrid HVDC circuit technology using voltage source converters is only half

More information

Harmonic Distortion of the AC Power Line

Harmonic Distortion of the AC Power Line Introduction Adjustable frequency drives have become the standard method of control for heating, ventilating and air conditioning (HVAC) systems due to precise control and very significant energy savings.

More information

Power System review W I L L I A M V. T O R R E A P R I L 1 0, 2 0 1 3

Power System review W I L L I A M V. T O R R E A P R I L 1 0, 2 0 1 3 Power System review W I L L I A M V. T O R R E A P R I L 1 0, 2 0 1 3 Basics of Power systems Network topology Transmission and Distribution Load and Resource Balance Economic Dispatch Steady State System

More information

HARMONICS ISSUES THAT LIMIT SOLAR PHOTOVOLTAIC GENERATION ON DISTRIBUTION CIRCUITS

HARMONICS ISSUES THAT LIMIT SOLAR PHOTOVOLTAIC GENERATION ON DISTRIBUTION CIRCUITS HARMONICS ISSUES THAT LIMIT SOLAR PHOTOVOLTAIC GENERATION ON DISTRIBUTION CIRCUITS Ketut Dartawan Pterra Consulting, LLC 4 Automation Lane, Ste 250 Albany, NY 12205 USA Email: ketutdartawan@pterra.us Le

More information

Voltage Source HVDC Overview Mike Barnes Tony Beddard

Voltage Source HVDC Overview Mike Barnes Tony Beddard Voltage Source HVDC Overview Mike Barnes Tony Beddard Note: This is a version with images removed which have copyrighted other than from the University of Manchester, for web publication. Should a conference

More information

Project description. Power Electronics for Reliable and Energy efficient Renewable Energy Systems

Project description. Power Electronics for Reliable and Energy efficient Renewable Energy Systems Project description Title: Power Electronics for Reliable and Energy efficient Renewable Energy Systems OBJECTIVES Principal objective Provide competence and decision basis for enabling reliable and energy

More information

Power System Enterprise Solution

Power System Enterprise Solution Power System Enterprise Solution ETAP is the most comprehensive analysis platform for the design, simulation, operation, control, optimization, and automation of generation, transmission, distribution,

More information

T. A. Walton Dr. Herb Ginn Dr. Enrico Santi. GRAPES SPRING MEETING May 2016

T. A. Walton Dr. Herb Ginn Dr. Enrico Santi. GRAPES SPRING MEETING May 2016 T. A. Walton Dr. Herb Ginn Dr. Enrico Santi GRAPES SPRING MEETING May 2016 PROJECT OVERLAYS SUPPORTING GRAPES STRATEGIC CHOICES Answer the IAB question, How do all these projects fit into the big picture?

More information

SYNCHRONOUS MACHINES

SYNCHRONOUS MACHINES SYNCHRONOUS MACHINES The geometry of a synchronous machine is quite similar to that of the induction machine. The stator core and windings of a three-phase synchronous machine are practically identical

More information

Introduction. Harmonics and IEEE 519 Page 1 of 19

Introduction. Harmonics and IEEE 519 Page 1 of 19 Introduction In an ideal power system, the voltage supplied to customer equipment, and the resulting load current are perfect sine waves. In practice, however, conditions are never ideal, so these waveforms

More information

WIND TURBINE TECHNOLOGY

WIND TURBINE TECHNOLOGY Module 2.2-2 WIND TURBINE TECHNOLOGY Electrical System Gerhard J. Gerdes Workshop on Renewable Energies November 14-25, 2005 Nadi, Republic of the Fiji Islands Contents Module 2.2 Types of generator systems

More information

INTERNATIONAL JOURNAL OF ELECTRICAL ENGINEERING & TECHNOLOGY (IJEET)

INTERNATIONAL JOURNAL OF ELECTRICAL ENGINEERING & TECHNOLOGY (IJEET) INTERNATIONAL JOURNAL OF ELECTRICAL ENGINEERING & TECHNOLOGY (IJEET) International Journal of Electrical Engineering and Technology (IJEET), ISSN 0976 ISSN 0976 6545(Print) ISSN 0976 6553(Online) Volume

More information

LCL Filter Design and Performance Analysis for Grid Interconnected Systems

LCL Filter Design and Performance Analysis for Grid Interconnected Systems LCL Filter Design and Performance Analysis for Grid Interconnected Systems A. Reznik *, M.Godoy Simões *, Ahmed Al-Durra **, S. M. Muyeen ** * Colorado School of Mines, EECS Dept., Golden, CO, USA ** Petroleum

More information

Distributed Renewable Energy Sources Integration and Smart Grid Control

Distributed Renewable Energy Sources Integration and Smart Grid Control Distributed Renewable Energy Sources Integration and Smart Grid Control Jianwu Zeng Power and Energy Systems Laboratory Department of Electrical & Computer Engineering University of Nebraska-Lincoln URL:

More information

Magnus Callavik, ABB Power Systems, HVDC, 721 64 Västerås, Sweden Phone: +46(0)21323226. e-mail: magnus.callavik@se.abb.com

Magnus Callavik, ABB Power Systems, HVDC, 721 64 Västerås, Sweden Phone: +46(0)21323226. e-mail: magnus.callavik@se.abb.com HVDC GRIDS FOR OFFSHORE AND ONSHORE TRANSMISSION Magnus Callavik, ABB Power Systems, HVDC, 721 64 Västerås, Sweden Phone: +46(0)21323226. e-mail: magnus.callavik@se.abb.com SUMMARY The objective with this

More information

POWER TRANSMISSION FROM OFFSHORE WIND FARMS

POWER TRANSMISSION FROM OFFSHORE WIND FARMS POWER TRNSMISSION FROM OFFSHORE WIND FRMS Thorsten Völker University of pplied Sciences Bremerhaven Germany BSTRCT The future for wind power generation in Germany is offshore wind energy. The preferred

More information

INTERFACES FOR RENEWABLE ENERGY SOURCES WITH ELECTRIC POWER SYSTEMS

INTERFACES FOR RENEWABLE ENERGY SOURCES WITH ELECTRIC POWER SYSTEMS INTERFACES FOR RENEWABLE ENERGY SOURCES WITH ELECTRIC POWER SYSTEMS Paulo Ferreira, Manuel Trindade, Júlio S. Martins and João L. Afonso University of Minho, Braga, Portugal paulo.alves.ferreira@sapo.pt,

More information

AN ULTRA-CHEAP GRID CONNECTED INVERTER FOR SMALL SCALE GRID CONNECTION

AN ULTRA-CHEAP GRID CONNECTED INVERTER FOR SMALL SCALE GRID CONNECTION AN ULTRA-CHEAP GRID CONNECTED INVERTER FOR SMALL SCALE GRID CONNECTION Pramod Ghimire 1, Dr. Alan R. Wood 2 1 ME Candidate Email: pgh56@student.canterbury.ac.nz 2 Senior Lecturer: Canterbury University

More information

Transient analysis of integrated solar/diesel hybrid power system using MATLAB Simulink

Transient analysis of integrated solar/diesel hybrid power system using MATLAB Simulink Transient analysis of integrated solar/diesel hybrid power system using ATLAB Simulink Takyin Taky Chan School of Electrical Engineering Victoria University PO Box 14428 C, elbourne 81, Australia. Taky.Chan@vu.edu.au

More information

Control Strategies of the Doubly Fed Induction Machine for Wind Energy Generation Applications

Control Strategies of the Doubly Fed Induction Machine for Wind Energy Generation Applications Control Strategies of the Doubly Fed Induction Machine for Wind Energy Generation Applications AUTHORS Dr. Gonzalo Abad, The University of Mondragon, SPAIN. Dr. Miguel Ángel Rodríguez, Ingeteam Transmission

More information

Brochure Introducing HVDC

Brochure Introducing HVDC Brochure Introducing HVDC ABB and HVDC The world s first commercial high-voltage direct current (HVDC) link, situated between the Swedish mainland and the island Gotland, was delivered by ABB already in

More information

Chapter 8 Switch-Mode DC-AC Inverters

Chapter 8 Switch-Mode DC-AC Inverters Chapter 8 Switch-Mode DC-AC Inverters converters for ac motor drives and uninterruptible power supplies 8-1 Switch-Mode DC-AC Inverter Block diagram of a motor drive where the power flow is unidirectional

More information

Anais Volume 1 COBEP99 UFPR UFSM

Anais Volume 1 COBEP99 UFPR UFSM COBEP99 UFPR UFSM 5 e Congresso Brasileiro de Eletronica de Potencia The 5~ Brazilian Power Electronics Conference Foz do Iguagu, Parana, Brasil 19 a 23 de setembro de 1999 Anais Volume 1 UB/TIB Hannover

More information

Practice Problems - Chapter 33 Alternating Current Circuits

Practice Problems - Chapter 33 Alternating Current Circuits Multiple Choice Practice Problems - Chapter 33 Alternating Current Circuits 4. A high-voltage powerline operates at 500 000 V-rms and carries an rms current of 500 A. If the resistance of the cable is

More information

Design a Phase Interleaving PFC Buck Boost Converter to Improve the Power Factor

Design a Phase Interleaving PFC Buck Boost Converter to Improve the Power Factor International Journal of Innovation and Scientific Research ISSN 2351-8014 Vol. 11 No. 2 Nov. 2014, pp. 445-449 2014 Innovative Space of Scientific Research Journals http://www.ijisr.issr-journals.org/

More information

Filter Considerations for the IBC

Filter Considerations for the IBC application note AN:202 Filter Considerations for the IBC Mike DeGaetano Application Engineering July 2013 Contents Page Introduction 1 IBC Attributes 1 Damping and 2 Converter Bandwidth Filtering 3 Filter

More information

PSE 6031 SYLLABUS (Tentative)

PSE 6031 SYLLABUS (Tentative) PSE 6031 SYLLABUS (Tentative) Power Electronics (3 credits) Friday Afternoon: 1:00-3:00 PM 15 Virtual Class Meetings (no face-face meetings) Pre-requisites: All coursework to qualify for the upper division

More information

Induction Generator Power Conversion and Control

Induction Generator Power Conversion and Control Steven Englebretson, Dr. James L. Kirtley, Jr. Induction Generator Power Conversion and Control ABSTRACT High speed induction generators could operate as an effective primary or reserve source of electric

More information

Three Level DC-to-AC Power Inverter for Power Grid Operation

Three Level DC-to-AC Power Inverter for Power Grid Operation Three Level DC-to-AC Power Inverter for Power Grid Operation K. H. EDELMOSER Institute of Electrical Drives and Machines Technical University Vienna Gusshausstr. 7-9, A-14 Wien AUSTRIA Abstract: - In case

More information

Fiber Optic and Isolation Solutions for Renewable Energy Applications

Fiber Optic and Isolation Solutions for Renewable Energy Applications and Isolation Solutions for Renewable Energy Applications Your Imagination, Our Innovation Sense Illuminate Connect Avago Technologies offers a wide range of fiber optic transmitters, receivers, and transceivers,

More information

Study Methods for SSCI: State-of-the-art, and the way forward

Study Methods for SSCI: State-of-the-art, and the way forward 1 Study Methods for SSCI: State-of-the-art, and the way forward July 29, 2015 Andrew Isaacs Panel Presentation: Analysis of Subsynchronous Interactions in Systems with Renewable Generation Resources IEEE

More information

DC-PLC Modem design for PV module monitoring

DC-PLC Modem design for PV module monitoring Journal of International Council on Electrical Engineering ISSN: (Print) 2234-8972 (Online) Journal homepage: http://www.tandfonline.com/loi/tjee20 DC-PLC Modem design for PV module monitoring Seong-Duc

More information

Power Electronics for Renewable Energy Integration into Hybrid AC/DC Microgrids Kai SUN Aug 27, 2015

Power Electronics for Renewable Energy Integration into Hybrid AC/DC Microgrids Kai SUN Aug 27, 2015 Power Electronics for Renewable Energy Integration into Hybrid AC/DC Microgrids Kai SUN Aug 27, 2015 厚 德 载 物 自 强 不 息 Dept. of Electrical Engineering Outlines Introduction Series-distributed Renewable Generation

More information

Harmonic Reduction and Load Balancing of Three Phase Four Wire DSTATCOM using Three Leg VSC and a Zig Zag Transformer

Harmonic Reduction and Load Balancing of Three Phase Four Wire DSTATCOM using Three Leg VSC and a Zig Zag Transformer IJSRD - International Journal for Scientific Research & Development Vol. 3, Issue 05, 2015 ISSN (online): 2321-0613 Harmonic Reduction and Load Balancing of Three Phase Four Wire DSTATCOM using Three Leg

More information

Harmonics and Noise in Photovoltaic (PV) Inverter and the Mitigation Strategies

Harmonics and Noise in Photovoltaic (PV) Inverter and the Mitigation Strategies Soonwook Hong, Ph. D. Michael Zuercher Martinson Harmonics and Noise in Photovoltaic (PV) Inverter and the Mitigation Strategies 1. Introduction PV inverters use semiconductor devices to transform the

More information

Topics. HVDC Fundamentals

Topics. HVDC Fundamentals Topics HVDC Fundamentals Conventional Converters Capacitor Commutated Converters Voltage Source Converters Reactive Power Requirements System Configurations Tapping Control basics High Power Transmission

More information

Table of Contents. Part 1: Audio Power Amplifier Basics

Table of Contents. Part 1: Audio Power Amplifier Basics Table of Contents Part 1: Audio Power Amplifier Basics 1. Introduction 1.1 Organization of the book 1.2 The role of the power amplifier 1.3 Basic performance specifications 1.4 Additional performance specifications

More information

Grid Interconnection of Renewable Energy Sources Using Modified One-Cycle Control Technique

Grid Interconnection of Renewable Energy Sources Using Modified One-Cycle Control Technique Grid Interconnection of Renewable Energy Sources Using Modified One-Cycle Control Technique NKV.Sai Sunil 1, K.Vinod Kumar 2 PG Student, GITAM University, Visakhapatnam, India. Asst.Professor, Department

More information

Real Time Simulation for the Study on Smart Grid

Real Time Simulation for the Study on Smart Grid Real Time Simulation for the Study on Smart Grid Feng Guo, Luis Herrera, Robert Murawski, Ernesto Inoa, Chih-Lun Wang, Yi Huang, Eylem Ekici, and Jin Wang The Ohio State University Columbus, Ohio, U.S.A

More information

Three-port DC-DC Converters to Interface Renewable Energy Sources with Bi-directional Load and Energy Storage Ports

Three-port DC-DC Converters to Interface Renewable Energy Sources with Bi-directional Load and Energy Storage Ports Three-port DC-DC Converters to Interface Renewable Energy Sources with Bi-directional Load and Energy Storage Ports A DISSERTATION SUBMITTED TO THE FACULTY OF THE GRADUATE SCHOOL OF THE UNIVERSITY OF MINNESOTA

More information

Wave Shaping Of Current Using PWM Rectifiers

Wave Shaping Of Current Using PWM Rectifiers International Journal of Engineering and Technical Research (IJETR) Wave Shaping Of Current Using PWM Rectifiers Mahasweta Bhattacharya, Ashish Srivastava Abstract The paper presents the modeling and analysis

More information

General Validation Test Program for Wind Power Plants Connected to the Hydro-Québec Transmission System

General Validation Test Program for Wind Power Plants Connected to the Hydro-Québec Transmission System General Validation Test Program for Wind Power Plants Connected to the Hydro-Québec Transmission System Direction Planification des actifs et expertise de transport February 2011 TABLE OF CONTENTS 1. CONDUCTING

More information

CO-ORDINATION OF PARALLEL AC-DC SYSTEMS FOR OPTIMUM PERFORMANCE

CO-ORDINATION OF PARALLEL AC-DC SYSTEMS FOR OPTIMUM PERFORMANCE CO-ORDINATION OF PARALLEL AC-DC SYSTEMS FOR OPTIMUM PERFORMANCE Ana Diez Castro & Rickard Ellström Ying Jiang Häfner Christer Liljegren Vattenfall Utveckling AB ABB Power Systems Gotlands Energiverk AB

More information

MODELING AND ANALYSIS OF A DYNAMIC VOLTAGE REGULATOR. A Thesis. presented to. the Faculty of California Polytechnic State University, San Luis Obispo

MODELING AND ANALYSIS OF A DYNAMIC VOLTAGE REGULATOR. A Thesis. presented to. the Faculty of California Polytechnic State University, San Luis Obispo MODELING AND ANALYSIS OF A DYNAMIC VOLTAGE REGULATOR A Thesis presented to the Faculty of California Polytechnic State University, San Luis Obispo In Partial Fulfillment of the Requirements for the Degree

More information

2. A conductor of length 2m moves at 4m/s at 30 to a uniform magnetic field of 0.1T. Which one of the following gives the e.m.f. generated?

2. A conductor of length 2m moves at 4m/s at 30 to a uniform magnetic field of 0.1T. Which one of the following gives the e.m.f. generated? Extra Questions - 2 1. A straight length of wire moves through a uniform magnetic field. The e.m.f. produced across the ends of the wire will be maximum if it moves: a) along the lines of magnetic flux

More information

ELG4126 Wind Turbine Generators for Wind Power Plants

ELG4126 Wind Turbine Generators for Wind Power Plants ELG4126 Wind Turbine Generators for Wind Power Plants The application of WTGs in modern wind power plants (WPPs) requires an understanding of a number of different aspects related to the design and capabilities

More information

COMPARISON OF THE FACTS EQUIPMENT OPERATION IN TRANSMISSION AND DISTRIBUTION SYSTEMS

COMPARISON OF THE FACTS EQUIPMENT OPERATION IN TRANSMISSION AND DISTRIBUTION SYSTEMS COMPARISON OF THE FACTS EQUIPMENT OPERATION IN TRANSMISSION AND DISTRIBUTION SYSTEMS Afshin LASHKAR ARA Azad University of Dezfoul - Iran A_lashkarara@hotmail.com Seyed Ali NABAVI NIAKI University of Mazandaran

More information

FREQUENCY CONTROLLED AC MOTOR DRIVE

FREQUENCY CONTROLLED AC MOTOR DRIVE FREQUENCY CONTROLLED AC MOTOR DRIVE 1.0 Features of Standard AC Motors The squirrel cage induction motor is the electrical motor motor type most widely used in industry. This leading position results mainly

More information

MICRO HYDRO POWER PLANT WITH INDUCTION GENERATOR SUPPLYING SINGLE PHASE LOADS

MICRO HYDRO POWER PLANT WITH INDUCTION GENERATOR SUPPLYING SINGLE PHASE LOADS MICRO HYDRO POWER PLANT WITH INDUCTION GENERATOR SUPPLYING SINGLE PHASE LOADS C.P. ION 1 C. MARINESCU 1 Abstract: This paper presents a new method to supply single-phase loads using a three-phase induction

More information

South Carolina Interconnection Request Application Form

South Carolina Interconnection Request Application Form South Carolina Interconnection Request Application Form INTERCONNECTION UTILITY INFORMATION Utility: Designated Utility Contact: Mailing Address: Important Note: An Interconnection Request Application

More information

Power System Modeling and Analysis Development for Clean Energy Integration Panel Session

Power System Modeling and Analysis Development for Clean Energy Integration Panel Session University of Pittsburgh 7 th Annual Electric Power Industry Conference Power System Modeling and Analysis Development for Clean Energy Integration Panel Session Brian Gemmell, PhD General Manager, Siemens

More information

Alternative and Renewable Energy Systems

Alternative and Renewable Energy Systems Alternative and Renewable Energy Systems Known as the standard for technical training systems in use across virtually every industry and around the globe, Lab-Volt is now using its expertise to provide

More information

Direct Driven Permanent Magnet Synchronous Generators with Diode Rectifiers for Use in Offshore Wind Turbines

Direct Driven Permanent Magnet Synchronous Generators with Diode Rectifiers for Use in Offshore Wind Turbines Direct Driven Permanent Magnet Synchronous Generators with Diode Rectifiers for Use in Offshore Wind Turbines Tor Inge Reigstad Master of Science in Energy and Environment Submission date: June 2007 Supervisor:

More information

Development of High Frequency Link Direct DC to AC Converters for Solid Oxide Fuel Cells (SOFC)

Development of High Frequency Link Direct DC to AC Converters for Solid Oxide Fuel Cells (SOFC) Development of High Frequency Link Direct DC to AC Converters for Solid Oxide Fuel Cells (SOFC) Dr. Prasad Enjeti Power Electronics Laboratory Department of Electrical Engineering College Station, TX -

More information

ACRELab Renewable Energy System Test and Support Laboratory

ACRELab Renewable Energy System Test and Support Laboratory Renewable Energy System Test and Support Laboratory Abstract T Spooner 1, T L Pryor 2, N Wilmot 3, G Cole 2 and C R Lloyd 3. 1. University of New South Wales 2. Murdoch University 3. Australian CRC for

More information

Hybrid Power System with A Two-Input Power Converter

Hybrid Power System with A Two-Input Power Converter Hybrid Power System with A Two-Input Power Converter Y. L. Juan and H. Y. Yang Department of Electrical Engineering National Changhua University of Education Jin-De Campus, Address: No.1, Jin-De Road,

More information

Line Reactors and AC Drives

Line Reactors and AC Drives Line Reactors and AC Drives Rockwell Automation Mequon Wisconsin Quite often, line and load reactors are installed on AC drives without a solid understanding of why or what the positive and negative consequences

More information

IMPORTANCE OF ADVANCED MICROGRID CONTROL FUNCTIONALITY ON MICROGRID DESIGN

IMPORTANCE OF ADVANCED MICROGRID CONTROL FUNCTIONALITY ON MICROGRID DESIGN Alex Rojas March 2015 IMPORTANCE OF ADVANCED MICROGRID CONTROL FUNCTIONALITY ON MICROGRID DESIGN Energy Management Division Siemens Corporation Large Network vs. Islanded Grid Energy Flow Typical Large

More information

Solar Power Plant Design and Interconnection

Solar Power Plant Design and Interconnection Solar Power Plant Design and Interconnection Wind & Solar Super Session July 27, 2011 E.H. Camm, S.E. Williams S&C Electric Company Outline Introduction Utility-scale PV power plant Grounding Reactive

More information

SIMULATION AND ASSESSMENT OF SINGLE PHASE SEMI-Z-SOURCE INVERTER (S-ZSI)

SIMULATION AND ASSESSMENT OF SINGLE PHASE SEMI-Z-SOURCE INVERTER (S-ZSI) International Journal of Electrical Engineering & Technology (IJEET) Volume 7, Issue 1, Jan-Feb, 2016, pp.30-34, Article ID: IJEET_07_01_003 Available online at http:// http://www.iaeme.com/ijeet/issues.asp?jtype=ijeet&vtype=7&itype=1

More information

Harmonics mitigation and solutions

Harmonics mitigation and solutions Harmonics mitigation and solutions Summary I. Introduction II. Harmonics mitigation solution III. Case study lv.conclusion Schneider Electric 2 I. Introduction II. Harmonic mitigation solution III. Case

More information

SOLAR PV-WIND HYBRID POWER GENERATION SYSTEM

SOLAR PV-WIND HYBRID POWER GENERATION SYSTEM SOLAR PV-WIND HYBRID POWER GENERATION SYSTEM J.Godson 1,M.Karthick 2,T.Muthukrishnan 3,M.S.Sivagamasundari 4 Final year UG students, Department of EEE,V V College of Engineering,Tisaiyanvilai, Tirunelveli,

More information

Inrush Current. Although the concepts stated are universal, this application note was written specifically for Interpoint products.

Inrush Current. Although the concepts stated are universal, this application note was written specifically for Interpoint products. INTERPOINT Although the concepts stated are universal, this application note was written specifically for Interpoint products. In today s applications, high surge currents coming from the dc bus are a

More information

INTRODUCTION TO HARMONIC ASSESSMENT IN POWER SYSTEMS

INTRODUCTION TO HARMONIC ASSESSMENT IN POWER SYSTEMS INTRODUCTION TO HARMONIC ASSESSMENT IN POWER SYSTEMS LIST OF CONTENT 1. INTRODUCTION... 1 2. HARMONIC VOLTAGE ASSESSMENT REQUIREMENT IN THE UK... 2 3. THE ASSESSMENT... 2 3.1. SYSTEM MODELLING...3 3.2.

More information

Product Data Bulletin

Product Data Bulletin Product Data Bulletin Power System Harmonics Causes and Effects of Variable Frequency Drives Relative to the IEEE 519-1992 Standard Raleigh, NC, U.S.A. INTRODUCTION This document describes power system

More information

Modeling Grid Connection for Solar and Wind Energy

Modeling Grid Connection for Solar and Wind Energy 1 Modeling Grid Connection for Solar and Wind Energy P. J. van Duijsen, Simulation Research, The Netherlands Frank Chen, Pitotech, Taiwan Abstract Modeling of grid connected converters for solar and wind

More information

Active damping of oscillations in LC-filter for line connected, current controlled, PWM voltage source converters

Active damping of oscillations in LC-filter for line connected, current controlled, PWM voltage source converters Active damping of oscillations in LC-filter for line connected, current controlled, PWM voltage source converters Keywords Converter control, Power Quality Abstract Olve Mo, Magnar Hernes, Kjell Ljøkelsøy

More information

ABSTRACT. Design, Analysis and Simulation of a New Current Controller for Wind Power Generation System using Proportional plus Resonance Control

ABSTRACT. Design, Analysis and Simulation of a New Current Controller for Wind Power Generation System using Proportional plus Resonance Control ABSTRACT Design, Analysis and Simulation of a New Current Controller for Wind Power Generation System using Proportional plus Resonance Control Bochuan Liu, M.S.E.C.E Advisor: Byeong-Mun (Ben) Song, Ph.D.

More information

AC/DC System Dynamics Under AC Power System Faulted Conditions

AC/DC System Dynamics Under AC Power System Faulted Conditions AC/DC System Dynamics Under AC ower System Faulted Conditions A sensitivity on DC Voltage Control parameters Mario Ndreko Delft University of Technology, Fulty of EEMCS, Intelligent Electrical ower Grids,

More information

(a) (b) Index Terms Boost Converter, Diode Rectifier, Full Converters, Synchronous Generator, Voltage Disturbances, Wind Turbines. 26,6 19,9 15,2 11,5

(a) (b) Index Terms Boost Converter, Diode Rectifier, Full Converters, Synchronous Generator, Voltage Disturbances, Wind Turbines. 26,6 19,9 15,2 11,5 Abstract The development of many technologies has provided a fast growth in the wind power. In this context, the variable speed wind turbines are preferred because more power is extracted from the wind.

More information

FACTS. Solutions to optimise network performance GRID

FACTS. Solutions to optimise network performance GRID Solutions to optimise network performance GRID Solutions to optimise your network Our worldwide presence: Better solutions for your network all around the world Tampere Philadelphia Stafford Konstanz Beijing

More information

DC TRANSMISSION BASED ON VOLTAGE SOURCE CONVERTERS

DC TRANSMISSION BASED ON VOLTAGE SOURCE CONVERTERS DC TRANSMISSION BASED ON VOLTAGE SOURCE CONVERTERS by Gunnar Asplund, Kjell Eriksson, Hongbo Jiang, Johan Lindberg, Rolf Pålsson, Kjell Svensson ABB Power Systems AB Sweden SUMMARY Voltage Source Converters

More information

Wind Energy System. Functional Description and Complete System Block Diagram. Andy Brown, Basheer Qattum, Ali Gokal. Dr. Na and Dr.

Wind Energy System. Functional Description and Complete System Block Diagram. Andy Brown, Basheer Qattum, Ali Gokal. Dr. Na and Dr. Wind Energy System Functional Description and Complete System Block Diagram Andy Brown, Basheer Qattum, Ali Gokal Dr. Na and Dr. Huggins I. Introduction: In a world where resources are becoming scarce,

More information

Voltage Distortion at the 480 VAC Bus Feeding PowerPlus Units

Voltage Distortion at the 480 VAC Bus Feeding PowerPlus Units Transforming The Future Of Power Technology 312 Rising Sun Rd. Bordentown, NJ 08505 phone: 800-742-5695 fax: 609-298-1982 e-mail: sales.caps@nwl.com www.nwl.com Consult factory with detail requirements

More information