THREE-PHASE POWER SYSTEMS ECE 454/554: Power Systems Laboratory
|
|
|
- Matthew Scott
- 8 years ago
- Views:
Transcription
1 THREE-PHSE POER SYSTEMS ECE 5/55: Power Systems Laboratory Contributors: Dr... El-Keib Mr. Clifton Black Dr. Tim. Haskew Mr. Johnny Carlisle Mr. Neil Hutchins Objectives Learn how to perform measurements on three-phase systems. Understand phase sequence. Understand three-phase balanced operation. Understand voltages and currents in three-phase systems. Understand real and reactive power in three-phase systems. References Electromechanical Energy Devices and Power Systems, Zia. Yamayee and Juan L. Bala, Jr., John iley and Sons, Inc., New York, New York, Section 3. Pre-Lab ssignment 1) For the system below, compute: (a) the three line-current phasors (b) the three-phase complex power delivered to the load j I a 2.5 j I b 2.5 j I c Load
2 2) balanced, 80, 60 Hz three-phase source is connected to a balanced three-phase load with a power factor of 0.85 lagging. The line current magnitude is 100. Compute: (a) the three-phase real power delivered to the load (b) the three-phase reactive power delivered to the load (c) the equivalent Y-connected load impedance (d) the equivalent -connected load impedance 3) For the provided system, compute: (a) the real power absorbed by the load (b) the reactive power supplied by the source 12 Balanced Three-Phase Source -j Hz -j j 12 Load ) 60 Hz, balanced three-phase source is connected to a balanced load of 2815 k at 0.95 pf lagging through a short transmission line with negligible resistance and a series inductive reactance of 13. The load is operated at 25 k. Compute: (a) the line current magnitude (b) the line voltage magnitude at the source (c) the line-to-neutral source voltage (d) the power factor of the source ECE 5/55: Power Systems Laboratory 2
3 Equipment List Quantity Description Number 1 Three-Phase Power Supply EMS Phase ngle Meter EMS Three-Phase Resistive Load EMS Three-Phase mmeter EMS mmeter Fluke 5 1 Three-Phase att/r Meter EMS 86 1 Three-Phase Inductive Load EMS Three-Phase Capacitive Load EMS Three-Phase Squirrel-Cage Induction Motor EMS 8221 Procedure 1) Turn on the three-phase power supply (EMS 8821) and adjust the line voltage on terminal -5-6 to 208 using the onboard voltmeter. gain using the onboard voltmeter, measure the three line-to-neutral voltages. e define terminals, 5, and 6 as phases, B, and C, respectively. ith this definition and your measured data, record the three line-to-neutral voltage magnitudes and the three line-to-line voltage magnitudes. Does your data indicate the expected relationship between line-toneutral and line-to-line voltage magnitudes? N BN CN B BC C 2) Using the phase line-to-neutral voltage as your reference, determine the phase B and C line-to-neutral phase angles with the phase angle meter (EMS 851). The connection is illustrated below for measuring the B phase. Record your information. Is the source operating with positive or negative phase sequence? N ECE 5/55: Power Systems Laboratory 3
4 N BN CN 3) gain using the phase angle meter (EMS 851), determine the phase angles of all of the line-to-line voltages. Record your data and construct a phasor diagram indicating all six source voltages. Your connection for measuring the phase angle of the B line-to-line voltage is illustrated below. Does your phasor diagram look like you would expect? State why or why not. Is the source balanced or unbalanced? Give reasons for your response N B BC C For the remaining steps in this laboratory exercise, connection figures will not be provided. You will be required to develop them on your own. Be sure to include the connection diagrams in your lab reports. ) Connect the three-phase power source (EMS 8821) to the three-phase resistive load (EMS 8311). The load should be Y-connected with a phase-to-neutral resistance of 300 and the neutral in place. Place the three-phase ammeter (EMS 825), using the 0.5 setting, in series with the load. Measure and record the three line current magnitudes and the three load current magnitudes (they are the same in the Y- connected case). Use an ammeter (Fluke 5) to measure and record the neutral current. Is the load balanced? State the reasons for your answer. I I N ECE 5/55: Power Systems Laboratory
5 5) Using the resistive load from step and a second resistive load bank (EMS 8311), create a -connected load that is equivalent to the Y-connected load in step. Record the value of the necessary phase resistance. Insert the ammeter in the circuit to measure the line currents. Record the line current magnitudes. re the loads equivalent? Insert the ammeter in the circuit to measure the load currents and record the magnitudes. Do the currents obey the expected relationships? R = I C 6) Connect the three-phase watt/r meter (EMS 86) and ammeter (EMS 825) between the source and a Y-connected load with each phase consisting of a 300 resistance in series with a 300 inductive reactance (EMS 8321). Measure and record the real and reactive power absorbed by the load and the three line current magnitudes. Compute and record the equivalent Y-connected impedance of the load. Using the known voltage and load impedance, compute the three-phase complex power absorbed by the load. Using the known value of current and load impedance, compute the three-phase complex power absorbed by the load. How do your computed results compare with your measured results? ZY = + j R I 7) Replace the inductive reactance with the three-phase capacitive load (EMS 8331) set at 300. Measure and record the real and reactive power absorbed by the load and the line current magnitudes. Compute and record the equivalent Y-connected impedance of the load. Using the known voltage and load impedance, compute the three-phase complex power absorbed by the load. How does your computed result compare with your measured result? Interpret the meaning of the sign on the reactive power absorbed by the load. ECE 5/55: Power Systems Laboratory 5
6 ZY = + j R I 8) Replace the load with a Y-connected load in which all three phases contain a series combination of a 600 resistance, a 600 inductive reactance, and a 600 capacitive reactance. Record the real and reactive powers absorbed by the load. Explain the results for the reactive power. Remove the capacitance and explain the results for the reactive power. ith Capacitive Load: R ithout Capacitive Load: R 9) Replace the load with the three phase squirrel-cage induction motor (EMS 8221) with no mechanical load. Record the real and reactive power delivered to the motor. hat does the real power delivered to the motor accomplish? hat does the reactive power delivered to the motor accomplish? Compute the power factor of the motor. R ECE 5/55: Power Systems Laboratory 6
7 Questions 1) Y-connected capacitor bank is to be inserted in parallel with a load to correct the power factor to unity. The load is 1 M at 0.75 power factor lagging and operates at 12.7 k. Compute the value of capacitance required in each phase. ssume 60 Hz operation. 2) -connected capacitor bank is to be inserted in parallel with a load to correct the power factor to unity. The load is 2 M at 0.75 power factor lagging and operates at 25 k. Compute the value of capacitance required in each phase. ssume 60 Hz operation. 3) 60 Hz, balance three-phase source supplies a balanced three-phase load of 175 k at 0.7 pf lagging and 80 through a line with a series resistance of 1.5. capacitor bank is used to correct the power factor. s the power factor is corrected from 0.75 leading to 0.75 lagging, plot: (a) the line current magnitude (b) the three-phase real power losses in the line (c) the source power factor (d) the line voltage magnitude at the source ECE 5/55: Power Systems Laboratory 7
Equipment: Power Supply, DAI, Variable resistance (8311), Variable inductance (8321)
Lab 4: 3-phase circuits. Objective: to study voltage-current relationships in 3-phase circuits; to learn to make delta and Y connections; to calculate and measure real, apparent, and reactive powers. Equipment:
Lecture Notes ELE A6
ecture Notes EE A6 Ramadan El-Shatshat Three Phase circuits 9/12/2006 EE A6 Three-phase Circuits 1 Three-phase Circuits 9/12/2006 EE A6 Three-phase Circuits 2 Advantages of Three-phase Circuits Smooth
Power measurement in balanced 3 phase circuits and power factor improvement. 1 Power in Single Phase Circuits. Experiment no 1
Experiment no 1 Power measurement in balanced 3 phase circuits and power factor improvement 1 Power in Single Phase Circuits Let v = m cos(ωt) = cos(ωt) is the voltage applied to a R-L circuit and i =
Three phase circuits
Three phase circuits THREE PHASE CIRCUITS THREE-PHASE ADVANTAGES 1. The horsepower rating of three-phase motors and the kva rating of three-phase transformers are 150% greater than single-phase motors
BALANCED THREE-PHASE CIRCUITS
BALANCED THREE-PHASE CIRCUITS The voltages in the three-phase power system are produced by a synchronous generator (Chapter 6). In a balanced system, each of the three instantaneous voltages have equal
ECE 431. Experiment #1. Three-Phase ac Measurements. PERFORMED: 26 January 2005 WRITTEN: 28 January 2005. Jason Wells
ECE 41 Experiment #1 Three- ac Measurements PERFORMED: 6 January 005 WRTTEN: 8 January 005 Jason Wells LEADER: Jason Wells RECORDER: Nathaniel Hakes 1 ntroduction The primary objectives of the experiment
Faculty of Engineering. 48572 Power Circuit Theory. Lab 2 Three-Phase Circuits
Faculty of Engineering Subject: 48572 ower ircuit Theory ssignment Number: 2 ssignment Title: Lab 2 Three-hase ircuits Tutorial Group: Students Name(s) and Number(s) Student Number Family Name First Name
Chapter 11 Balanced Three-Phase Circuits
Chapter 11 Balanced Three-Phase Circuits 11.1-2 Three-Phase Systems 11.3 Analysis of the Y-Y Circuit 11.4 Analysis of the Y- Circuit 11.5 Power Calculations in Balanced Three-Phase Circuits 11.6 Measuring
Chapter 24. Three-Phase Voltage Generation
Chapter 24 Three-Phase Systems Three-Phase Voltage Generation Three-phase generators Three sets of windings and produce three ac voltages Windings are placed 120 apart Voltages are three identical sinusoidal
Chapter 12: Three Phase Circuits
Chapter 12: Three Phase Circuits 12.1 What Is a Three Phase Circuit? 12.2 Balance Three Phase Voltages 12.3 Balance Three Phase Y to Y Connection 12.4 Other Balance Three Phase Connections 12.5 Power in
Inductors in AC Circuits
Inductors in AC Circuits Name Section Resistors, inductors, and capacitors all have the effect of modifying the size of the current in an AC circuit and the time at which the current reaches its maximum
Basic Electrical Technology Dr. L. Umanand Department of Electrical Engineering Indian Institute of Science, Bangalore. Lecture - 33 3 phase System 4
Basic Electrical Technology Dr. L. Umanand Department of Electrical Engineering Indian Institute of Science, Bangalore Lecture - 33 3 phase System 4 Hello everybody. So, in the last class we have been
Chapter 12 Three-Phase Circuit
Chapter 12 Three-Phase Circuit 馮 武 雄 教 授 長 庚 大 學 電 子 系 1 Chapter 12 Three-Phase Circuits 12.1 What is a Three-Phase Circuit? 12.2 Balance Three-Phase oltages 12.3 Balance Three-Phase Connection 12.4 Power
UNIVERSITY OF NORTH CAROLINA AT CHARLOTTE. Department of Electrical and Computer Engineering
UNIVERSITY OF NORTH CAROLINA AT CHARLOTTE Department of Electrical and Computer Engineering Experiment No. 10 - Balanced Three-Phase Networks Overview: Three-phase networks can be connected either in a
Understanding Power Factor and How it Affects Your Electric Bill. Presented by Scott Peele PE
Understanding Power Factor and How it Affects Your Electric Bill Presented by Scott Peele PE Understanding Power Factor Definitions kva, kvar, kw, Apparent Power vs. True Power Calculations Measurements
BALANCED THREE-PHASE AC CIRCUIT
BAANCED THREE-PHASE AC CRCUT Balanced Three-Phase oltage Sources Delta Connection Star Connection Balanced 3-hase oad Delta Connection Star Connection Power in a Balanced Phase Circuit ntroduction Three
Module Title: Electrotechnology for Mech L7
CORK INSTITUTE OF TECHNOLOGY INSTITIÚID TEICNEOLAÍOCHTA CHORCAÍ Autumn Examinations 2012 Module Title: Electrotechnology for Mech L7 Module Code: ELEC7007 School: School of Mechanical, Electrical and Process
How To Balance Three Phase Power In A Balanced System
Three-Phase Circuits Three-Phase Circuit Three-Phase Circuits What is a Three-Phase Circuit? Balance Three-Phase oltages Balance Three-Phase Connection Power in a Balanced System Unbalanced Three-Phase
EEL303: Power Engineering I - Tutorial 4
1. Determine the voltage at the generating station and the efficiency of the following system (Figure 1): Both transformers have ratio of 2kV/11kV. The resistance on LV side of both Figure 1: transformers
Resistors in Series and Parallel Circuits
69 Resistors in Series and Parallel Circuits E&M: Series and parallel circuits Equipment List DataStudio file: Not Required Qty s Part Numbers 1 C/DC Electronics Lab EM-8656 2 D cell 1.5 volt Introduction
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
PHYSICS 111 LABORATORY Experiment #3 Current, Voltage and Resistance in Series and Parallel Circuits
PHYSCS 111 LABORATORY Experiment #3 Current, Voltage and Resistance in Series and Parallel Circuits This experiment is designed to investigate the relationship between current and potential in simple series
First Year (Electrical & Electronics Engineering)
Z PRACTICAL WORK BOOK For The Course EE-113 Basic Electrical Engineering For First Year (Electrical & Electronics Engineering) Name of Student: Class: Batch : Discipline: Class Roll No.: Examination Seat
3-Phase AC Calculations Revisited
AN110 Dataforth Corporation Page 1 of 6 DID YOU KNOW? Nikola Tesla (1856-1943) came to the United States in 1884 from Yugosiavia. He arrived during the battle of the currents between Thomas Edison, who
TESLA Recorder Power Metering Setup Configuration for 3 and 2 Element Watt/VAR Metering
TESLA Recorder Power Metering Setup Configuration for 3 and 2 Element Watt/VAR Metering Introduction This application note will assist the user to set up 3-phase metering to monitor Watt, VAR and VA power
Instrument Transformer Wiring Troubleshooting Guide Three Phase Meters Revision 0, Initial Issue, April 26, 1993
R Instrument Transformer Wiring Troubleshooting Guide Three Phase Meters Revision 0, Initial Issue, April 26, 1993 CONTENTS I. How to Use This Guide II. Common Problems for 3-Wire and 4-Wire Systems III.
Alternating current three-phase circuits
Unit. C HEE-PHE CCU lternating current three-phase circuits Unit. C HEE-PHE CCU COE: hree-phase systems characteristics Generation of three-phase voltages hree-phase loads -Y and Y- transformation nstantaneous
ET 332b Ac Electric Machines and Power Systems
Instructor: Dr. Carl Spezia, PE Office: Engr. D110 Phone: 453-7839 E-mail: powerguy@siu.edu ET 332b Ac Electric Machines and Power Systems Office Hours: 9:00 am - 10:00 am M-W-F 2:00 pm - 3:00 pm M-W-F
PHASOR DIAGRAMS HANDS-ON RELAY SCHOOL WSU PULLMAN, WA. RON ALEXANDER - BPA
PHASOR DIAGRAMS HANDS-ON RELAY SCHOOL WSU PULLMAN, WA. RON ALEXANDER - BPA What are phasors??? In normal practice, the phasor represents the rms maximum value of the positive half cycle of the sinusoid
Chapter 10. RC Circuits ISU EE. C.Y. Lee
Chapter 10 RC Circuits Objectives Describe the relationship between current and voltage in an RC circuit Determine impedance and phase angle in a series RC circuit Analyze a series RC circuit Determine
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
Lab 14: 3-phase alternator.
Lab 14: 3-phase alternator. Objective: to obtain the no-load saturation curve of the alternator; to determine the voltage regulation characteristic of the alternator with resistive, capacitive, and inductive
Network Theory Question Bank
Network Theory Question Bank Unit-I JNTU SYLLABUS: Three Phase Circuits Three phase circuits: Phase sequence Star and delta connection Relation between line and phase voltages and currents in balanced
Current and Voltage Measurements. Current measurement
Current and oltage easurements Current measurement ccording to current continuity (i.e. charge conservation) law, the current can be measured in any portion of a single loop circuit. B Circuit Element
CHAPTER 5 SYNCHRONOUS GENERATOR
CHPTER 5 SYNCHRONOUS GENERTOR Summary: 1. Synchronous Generator Construction 2. The Speed of Rotation of a Synchronous Generator 3. The Internal Generated Voltage of a Synchronous Generator 4. The Equivalent
Prepared By: Sheilani Binti Shaari Department of Electrical Engineering/PKB
Prepared By: Sheilani Binti Shaari Department of Electrical Engineering/ Course Learning Outcome (CLO) Upon completion of this course, students should be able to: Apply the principles of three phase systems,
THREE PHASE CIRCUITS
THREE PHASE CIRCUITS A. PREPARATION 1. Three Phase Voltages and Systems 2. The Determination of Phase Sequence 3. Blondel's Theorem and Its Consequences 4. References B. EXPERIMENT 1. Equipment List 2.
DOE FUNDAMENTALS HANDBOOK ELECTRICAL SCIENCE Volume 3 of 4
DOE-HDBK-1011/3-92 JUNE 1992 DOE FUNDAMENTALS HANDBOOK ELECTRICAL SCIENCE Volume 3 of 4 U.S. Department of Energy Washington, D.C. 20585 FSC-6910 Distribution Statement A. Approved for public release;
EDEXCEL NATIONAL CERTIFICATE/DIPLOMA UNIT 5 - ELECTRICAL AND ELECTRONIC PRINCIPLES NQF LEVEL 3 OUTCOME 4 - ALTERNATING CURRENT
EDEXCEL NATIONAL CERTIFICATE/DIPLOMA UNIT 5 - ELECTRICAL AND ELECTRONIC PRINCIPLES NQF LEVEL 3 OUTCOME 4 - ALTERNATING CURRENT 4 Understand single-phase alternating current (ac) theory Single phase AC
1 Introduction. 2 The Symmetrical Component Transformation. J.L. Kirtley Jr.
Massachusetts Institute of Technology Department of Electrical Engineering and Computer Science 6.06 Introduction to Power Systems Class Notes Chapter 4 Introduction To Symmetrical Components J.L. Kirtley
THE BREADBOARD; DC POWER SUPPLY; RESISTANCE OF METERS; NODE VOLTAGES AND EQUIVALENT RESISTANCE; THÉVENIN EQUIVALENT CIRCUIT
THE BREADBOARD; DC POWER SUPPLY; RESISTANCE OF METERS; NODE VOLTAGES AND EQUIVALENT RESISTANCE; THÉVENIN EQUIVALENT CIRCUIT YOUR NAME LAB MEETING TIME Reference: C.W. Alexander and M.N.O Sadiku, Fundamentals
Chapter 9 Balanced Faults
Chapter 9 alanced Faults 9.1 Introduction The most common types of fault are (in order) single-line-to-ground fault, line-to-line fault, and double-line-to-ground fault. All of these are unbalanced faults.
TRANSFORMER: THREE PHASE
CONTENTS Transformer : Three Phase 1211 C H A P T E R 33 Learning Objectives Three-phase Transformers Three-phase Transformer Connections Star/Star or Y/Y Connection Delta-Delta or Connection Wye/Delta
Power Factor Correction for Power Systems First Semester Report Spring Semester 2007
Power Factor Correction for Power Systems First Semester Report Spring Semester 2007 by Pamela Ackerman Prepared to partially fulfill the requirements for EE401 Department of Electrical and Computer Engineering
A Low Cost Power Quality and Energy Savings Laboratory for Undergraduate Education and Research
Session #3133 A Low Cost Power Quality and Energy Savings Laboratory for Undergraduate Education and Research Abdullatif Bagegni, Vance Poteat Merrimack College Abstract This paper describes the design
Measurement of Power in single and 3-Phase Circuits. by : N.K.Bhati
Measurement of Power in single and 3-Phase Circuits by : N.K.Bhati A specifically designed programme for Da Afghanistan Breshna Sherkat (DABS) Afghanistan 1 Areas Covered Under this Module 1. Power in
11. MEASUREMENT OF POWER CONSUMPTION OF THE NONBALANCED THREE-PHASE LOAD
. MEASEMENT OF OE CONSMTION OF THE NONBALANCED THEE-HASE LOAD Task of the measurement. Measure the active power and the reactive power of the nonsymmetrical -phase load in Y-connection. Do not connect
How To Understand And Understand The Theory Of Electricity
DIRECT CURRENT AND ALTERNATING CURRENT SYSTEMS N. Rajkumar, Research Fellow, Energy Systems Group, City University Northampton Square, London EC1V 0HB, UK Keywords: Electrical energy, direct current, alternating
Experiment #11: LRC Circuit (Power Amplifier, Voltage Sensor)
Experiment #11: LRC Circuit (Power Amplifier, Voltage Sensor) Concept: circuits Time: 30 m SW Interface: 750 Windows file: RLC.SWS EQUIPMENT NEEDED Science Workshop Interface Power Amplifier (2) Voltage
Static Analysis of Power Systems. Lennart Söder and Mehrdad Ghandhari
Static Analysis of Power Systems Lennart Söder and Mehrdad Ghandhari Electric Power Systems Royal Institute of Technology August 200 ii Contents Introduction 2 Power system design 3 2. The development
Synchronous generators are built in large units, their rating ranging from tens to hundreds of megawatts.
II. Synchronous Generators Synchronous machines are principally used as alternating current (AC) generators. They supply the electric power used by all sectors of modern societies: industrial, commercial,
ACADEMIC INTERGRITY POLICY
Western Michigan University, Electrical and Computer Engineering Department ECE 4300/5300 Electric Power Systems (3-0), Spring 2016 Course Information and Policies CRN: 11647-100/14042-100 9:30-10:20 a.m.
Keywords: synchronous generator, synchronous motor, automatic voltage regulator, V- curves, synchronizing power, hunting, excitation system
SYNCHRONOUS MACHINES Tze-Fun Chan Hong Kong Polytechnic University, Hong Kong, China Keywords: synchronous generator, synchronous motor, automatic voltage regulator, V- curves, synchronizing power, hunting,
Short Circuit Current Calculations
Introduction Several sections of the National Electrical Code relate to proper overcurrent protection. Safe and reliable application of overcurrent protective devices based on these sections mandate that
EE 242 EXPERIMENT 5: COMPUTER SIMULATION OF THREE-PHASE CIRCUITS USING PSPICE SCHEMATICS 1
EE 242 EXPERIMENT 5: COMPUTER SIMULATION OF THREE-PHASE CIRCUITS USING PSPICE SCHEMATICS 1 Objective: To build, simulate, and analyze three-phase circuits using OrCAD Capture Pspice Schematics under balanced
Three Phase Circuits. Three Phase Circuits
Three Phase Circuits 1 Three Phase Circuits Chater Objectives: Be familiar with different three-hase configurations and how to analyze them. Know the difference between balanced and unbalanced circuits
PHASE CONVERSION TECHNOLOGY OVERVIEW
Dr. Larry Meiners, Ph.D. PHASE CONVERSION TECHNOLOGY OVERVIEW Introduction A wide variety of commercial and industrial electrical equipment requires three-phase power. Electric utilities do not install
Three-Phase AC Power Circuits
Electricity and New Energy Three-Phase AC Power Circuits Student Manual 86360-F0 Order no.: 86360-00 Revision level: 10/2014 By the staff of Festo Didactic Festo Didactic Ltée/Ltd, Quebec, Canada 2010
Genetic Algorithm approach to find excitation capacitances for 3- phase smseig operating single phase loads
Genetic Algorithm approach to find excitation capacitances for 3- phase smseig operating single phase loads Authors & Affiliation: V.Ravi Kiran, V.Manoj and P.Praveen Kumar Asst. Professor, EEE Dept GMRIT,
Introduction. Three-phase induction motors are the most common and frequently encountered machines in industry
Induction Motors Introduction Three-phase induction motors are the most common and frequently encountered machines in industry - simple design, rugged, low-price, easy maintenance - wide range of power
Electrical Installation Calculations: Advanced
Electrical Installation Calculations: Advanced This page intentionally left blank Electrical Installation Calculations: Advanced FOR TECHNICAL CERTIFICATE AND NVQ LEVEL 3 SEVENTH EDITION A. J. WATKINS
Full representation of the real transformer
TRASFORMERS EQVALET CRCT OF TWO-WDG TRASFORMER TR- Dots show the points of higher potential. There are applied following conventions of arrow directions: -for primary circuit -the passive sign convention
AC Generators. Basic Generator
AC Generators Basic Generator A basic generator consists of a magnetic field, an armature, slip rings, brushes and a resistive load. The magnetic field is usually an electromagnet. An armature is any number
Equipment: Power Supply, DAI, Transformer (8341), Variable resistance (8311), Variable inductance (8321), Variable capacitance (8331)
Lab 5: Single-phase transformer operations. Objective: to examine the design of single-phase transformers; to study the voltage and current ratios of transformers; to study the voltage regulation of the
(3 )Three Phase Alternating Voltage and Current
EEE 2015 EECTRCS (3) Monophase 1 Three phase Three phase electric power is a common method of alternating current electric power generation, transmission, and distribution. t is a type of polyphase system
How To Understand And Understand The Electrical Power System
DOE-HDBK-1011/4-92 JUNE 1992 DOE FUNDAMENTALS HANDBOOK ELECTRICAL SCIENCE Volume 4 of 4 U.S. Department of Energy Washington, D.C. 20585 FSC-6910 Distribution Statement A. Approved for public release;
Basics of Electricity
Basics of Electricity Generator Theory PJM State & Member Training Dept. PJM 2014 8/6/2013 Objectives The student will be able to: Describe the process of electromagnetic induction Identify the major components
FUNDAMENTALS OF ENGINEERING (FE) EXAMINATION REVIEW
FE: Electric Circuits C.A. Gross EE1-1 FUNDAMENTALS OF ENGINEERING (FE) EXAMINATION REIEW ELECTRICAL ENGINEERING Charles A. Gross, Professor Emeritus Electrical and Comp Engineering Auburn University Broun
Chapter 35 Alternating Current Circuits
hapter 35 Alternating urrent ircuits ac-ircuits Phasor Diagrams Resistors, apacitors and nductors in ac-ircuits R ac-ircuits ac-ircuit power. Resonance Transformers ac ircuits Alternating currents and
VOLTAGE REGULATOR AND PARALLEL OPERATION
VOLTAGE REGULATOR AND PARALLEL OPERATION Generator sets are operated in parallel to improve fuel economy and reliability of the power supply. Economy is improved with multiple paralleled generators by
Properties of electrical signals
DC Voltage Component (Average voltage) Properties of electrical signals v(t) = V DC + v ac (t) V DC is the voltage value displayed on a DC voltmeter Triangular waveform DC component Half-wave rectifier
BASIC ELECTRONICS AC CIRCUIT ANALYSIS. December 2011
AM 5-202 BASIC ELECTRONICS AC CIRCUIT ANALYSIS December 2011 DISTRIBUTION RESTRICTION: Approved for Pubic Release. Distribution is unlimited. DEPARTMENT OF THE ARMY MILITARY AUXILIARY RADIO SYSTEM FORT
Power factor correction. An introduction to technology and techniques
Power factor correction An introduction to technology and techniques 2 Contents Understanding power factor 03 Power factor correction 05 Implementing power factor correction techniques 06 Glossary 07 Further
Physical Address: City: State: Zip Code:
Application for Small Generator Facility Interconnection Tier 2, Tier 3 or Tier 4 Interconnection (For Small Generator Facilities with Electric Nameplate Capacities of 10 MW and less) Applicant Contact
Electron S.R.L. A29 ELECTRICAL POWER SYSTEM TRAINERS. Production Transmission Distribution
lectron S..L. Design Production & Trading of ducational quipment A29 LCTICAL POW SYSTM TAINS Production Transmission Distribution FAX 9065 980 - -mail: electron@electron.it Web: www.electron.it ev 02 Specifications
Impedance Matching. Using transformers Using matching networks
Impedance Matching The plasma industry uses process power over a wide range of frequencies: from DC to several gigahertz. A variety of methods are used to couple the process power into the plasma load,
LAB1 INTRODUCTION TO PSS/E EE 461 Power Systems Colorado State University
LAB1 INTRODUCTION TO PSS/E EE 461 Power Systems Colorado State University PURPOSE: The purpose of this lab is to introduce PSS/E. This lab will introduce the following aspects of PSS/E: Introduction to
AC Power. by Prof. Dr. Osman SEVAİOĞLU Electrical and Electronics Engineering Department
by Prof. Dr. Osman SEVAİOĞLU Electrical and Electronics Engineering Department EE 209 Fundamentals of Electrical and Electronics Engineering, Prof. Dr. O. SEVAİOĞLU, Page 1 Voltage Waveform Consider the
Module 5. Three-phase AC Circuits. Version 2 EE IIT, Kharagpur
Module 5 Three-hase AC Circuits ersion EE T, Kharagur esson 9 Three-hase Delta- Connected Balanced oad ersion EE T, Kharagur n the revious (first) lesson of this module, the two tyes of connections (star
Reactive Power and Importance to Bulk Power System OAK RIDGE NATIONAL LABORATORY ENGINEERING SCIENCE & TECHNOLOGY DIVISION
Reactive Power and Importance to Bulk Power System OAK RIDGE NATIONAL LABORATORY ENGINEERING SCIENCE & TECHNOLOGY DIVISION Outline What is Reactive Power and where does it come from? Why is it important?
ε: Voltage output of Signal Generator (also called the Source voltage or Applied
Experiment #10: LR & RC Circuits Frequency Response EQUIPMENT NEEDED Science Workshop Interface Power Amplifier (2) Voltage Sensor graph paper (optional) (3) Patch Cords Decade resistor, capacitor, and
Occupational Profile: Electrical & Electronics Engineering Technician
Occupational Profile: Electrical & Electronics Engineering Technician A competent Electrical & Electronics Engineering Technician should be able to demonstrate the following skills and competences: 1.
The Importance of the X/R Ratio in Low-Voltage Short Circuit Studies
The Importance of the X/R Ratio in Low-Voltage Short Circuit Studies DATE: November 17, 1999 REVISION: AUTHOR: John Merrell Introduction In some short circuit studies, the X/R ratio is ignored when comparing
Tutorial 12 Solutions
PHYS000 Tutorial 2 solutions Tutorial 2 Solutions. Two resistors, of 00 Ω and 200 Ω, are connected in series to a 6.0 V DC power supply. (a) Draw a circuit diagram. 6 V 00 Ω 200 Ω (b) What is the total
Equipment: Power Supply, DAI, Synchronous motor (8241), Electrodynamometer (8960), Tachometer, Timing belt.
Lab 9: Synchronous motor. Objective: to examine the design of a 3-phase synchronous motor; to learn how to connect it; to obtain its starting characteristic; to determine the full-load characteristic of
DHANALAKSHMI COLLEGE OF ENGINEERING DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING EE2302 - ELECTRICAL MACHINES II UNIT-I SYNCHRONOUS GENERATOR
1 DHANALAKSHMI COLLEGE OF ENGINEERING DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING Constructional details Types of rotors EE2302 - ELECTRICAL MACHINES II UNIT-I SYNCHRONOUS GENERATOR PART A 1.
Voltage Unbalance and Motors
Voltage Unbalance and Motors Background Voltage unbalance occurs when the RMS line voltages on a poly-phase system are unequal. Voltages are seldom perfectly balanced between phases, but when this unbalance
NO LOAD & BLOCK ROTOR TEST ON THREE PHASE INDUCTION MOTOR
INDEX NO. : M-142 TECHNICAL MANUAL FOR NO LOAD & BLOCK ROTOR TEST ON THREE PHASE INDUCTION MOTOR Manufactured by : PREMIER TRADING CORPORATION (An ISO 9001:2000 Certified Company) 212/1, Mansarover Civil
MATERIALS. Multisim screen shots sent to TA.
Page 1/8 Revision 0 9-Jun-10 OBJECTIVES Learn new Multisim components and instruments. Conduct a Multisim transient analysis. Gain proficiency in the function generator and oscilloscope. MATERIALS Multisim
Diodes have an arrow showing the direction of the flow.
The Big Idea Modern circuitry depends on much more than just resistors and capacitors. The circuits in your computer, cell phone, Ipod depend on circuit elements called diodes, inductors, transistors,
Experiment #5, Series and Parallel Circuits, Kirchhoff s Laws
Physics 182 Summer 2013 Experiment #5 1 Experiment #5, Series and Parallel Circuits, Kirchhoff s Laws 1 Purpose Our purpose is to explore and validate Kirchhoff s laws as a way to better understanding
Digital Energy ITI. Instrument Transformer Basic Technical Information and Application
g Digital Energy ITI Instrument Transformer Basic Technical Information and Application Table of Contents DEFINITIONS AND FUNCTIONS CONSTRUCTION FEATURES MAGNETIC CIRCUITS RATING AND RATIO CURRENT TRANSFORMER
Single and Three Phase Transformer Testing Using Static Motor Circuit Analysis Techniques
Single and Three Phase Transformer Testing Using Static Motor Circuit Analysis Techniques Howard W. Penrose, Ph.D On behalf of ALL-TEST Pro, LLC Old Saybrook, CT Introduction Field and shop testing of
Introduction to Paralleling of LTC Transformers by the Circulating Current Method
TAPCHANGER CONTROLS Application Note #11 Introduction to Paralleling of LTC Transformers by the Circulating Current Method 1.0 ABSTRACT This Application Note discusses the elements of paralleling load
De Jaeger, Emmanuel ; Du Bois, Arnaud ; Martin, Benoît. Document type : Communication à un colloque (Conference Paper)
"Hosting capacity of LV distribution grids for small distributed generation units, referring to voltage level and unbalance" De Jaeger, Emmanuel ; Du Bois, Arnaud ; Martin, Benoît Abstract This paper revisits
Effective: September 10, 2006 Vermont Attachment 1 to Rule 5.500 Public Service Board Page 1 of 6
Public Service Board Page 1 of 6 STANDARD APPLICATION FOR INTERCONNECTION OF GENERATION RESOURCES IN PARALLEL TO THE ELECTRIC SYSTEM OF: (Interconnecting Utility) Preamble and Instructions: An owner of
Three-Phase Induction Motor
EXPERIMENT Induction motor Three-Phase Induction Motors 208V LL OBJECTIVE This experiment demonstrates the performance of squirrel-cage induction motors and the method for deriving electrical equivalent
Simple Methods for Calculating Short Circuit Current Without a Computer By Dennis McKeown, PE GE Senior System Application Engineer
Simple Methods for Calculating Short Circuit Current Without a Computer By Dennis McKeown, PE GE Senior System Application Engineer A Short Circuit analysis is used to determine the magnitude of short
Application for Small Generator Facility Interconnection Tier 2, Tier 3 or Tier 4 Interconnection
Application for Small Generator Facility Interconnection Tier 2, Tier 3 or Tier 4 Interconnection (See ARSD chapter 20:10:36 for the requirements for a Tier 2, Tier 3, or Tier 4 Interconnection.) Applicant/Interconnection