Active transmission and distribution networks Smart Grids

Transcription

1 Active transmission and distribution networks Smart Grids Research areas Network calculation methods Distribution automation AMR and interactive customer gateway Network impacts of distributed generation and other active resources (e.g. plug-in vehicles) Power electronics in distribution networks FACTS devices in transmission networks Contact persons Prof. Pertti Järventausta Prof. Pekka Verho Dr. Tech. Sami Repo 110 kv Laatuvaht PQ meter i 45 kv Laatuvaht PQ meter i Laatuvaht PQ meter i U 6 20 km G 20 I k kv 1 km U G SCADA DMS Trans- mit DB U ac dc dc ac U, U v U, U v ac dc dc ac I v U dc ac M I dc v 0,4 U dc kv U, I v Internet Sähkön Power quality laatu DB M M VTJ AM/FM/GIS EQL - reporting Viewer

2 Distribution automation Research areas Calculation methods and network simulation Data management and software applications PSCAD and RTDS simulations Substation automation new protection solutions algorithms and technologies Management of earth faults AMR functions and low voltage network automation Contact persons Prof. Pekka Verho Prof. Pertti Järventausta Dr. Tech. Sami Repo Dr. Tech. Ari Nikander PC-workstations Data bases -networkdata -customerdata -loadmodels -maps WAN remote use RTDS DMS SCADA LAN communications substation GPS equipment distribution network customers field crew

3 Comprehensive network management Using integration of AMR, DMS and QMS (i.e quality monitoring system) in network operation, asset management, customer service and other functions Asset management Control center network data customer data DMS QMS Customer service Measurement data base Billing Balance settlement SCADA AMR system Substation automation DMS = Distribution Management System QMS = Quality Monitoring System

4 Interactive customer gateway The overall aim of the project is to determine and to demonstrate the concept, functions and technological solutions of interactive customer gateway, and technical solutions and business models for exploitation it in distribution management and electricity market actions DSO TSO Energy supplier Other service provider Aggregator Quality database Energy database On-line voltage billing data mesurements interruptions load models control signals Communication AC/DC distribution network Control of voltage interruptions INTERACTIVE CUSTOMER Power electronics AMR INTERFACE Actions by market DSO frequency TSO CUSTOMER Efficient use of energy Distributed generation Active actions

5 Integration of distributed generation (DG) into a distribution network DG projects with several partners to cover more wide aspects on distributed generation Modelling and forecasting of loads and production in distribution network Network planning and calculation methods to consider impacts and benefits of DG units to protection and voltage level management Impacts of DG units on power quality of distribution network Basis of connection fees and transfer changes Impact on reliability of network Issues of island operation Stability of distribution network including DG units Long-term planning of distribution network at potential DG units installation area

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7 ADINE Active distribution management

8 Real Time Digital Simulator (RTDS) and PSCAD V4 simulation software RTDS Control commands for the automation system Non-amplified signals Amplified signals

9 RTDS / dspace - integration

10 Plug-in vehicles - network impacts and effects on electricity market Research areas Network interface Network impacts in different voltage levels Intelligent charging Effects on electricity market Contact persons Prof. Pertti Järventausta M.Sc. Antti Rautiainen

11 Power transmission Research areas Modeling and simulation e.g. PSS/E, PSCAD, RTDS Security and voltage stability assessment Determination of outage costs parameters Modeling and damping of subsynchronous oscillations X L1 R L1 X C = X L1 FACTS devices (TCSC) 22/500 kv X inf R inf Contact persons Prof. Pertti Järventausta Dr. Tech. Sami Repo Lic. Tech. Juhani Bastman G X tr P gen, Q gen P, Q rct rct X L2 Z R L2 Z M.Sc. Pasi Vuorenpää G D m Rect control Z ext B