Work package descriptions
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Transcript of Work package descriptions
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1SILVESTRO IT Session Alpha – Block 5 – Question 5.29
Barcelona 12-15 May 2003
ELECTRICAL ENERGY DISTRIBUTION NETWORKS: ACTUAL SITUATION AND
PERSPECTIVES FOR DISTRIBUTED GENERATION
Alessandro BERTANI CESI – Milano, I
Claudio BOSSI CESI – Milano, I
Bruno DELFINO University of Genoa, I
Norbert LEWALD Stadtwerke Karlsruhe, D
Stefano MASSUCCO University of Genoa, I
Elmar METTEN MVV Energie AG, D
Tim MEYER Fraunhofer ISE, D
Federico SILVESTRO University of Genoa, I
Irena WASIAK Technical University of Lodz, PL
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2SILVESTRO IT Session Alpha – Block 5 – Question 5.29
Barcelona 12-15 May 2003
DISPOWER:Distributed Generation with high penetration
of renewable energy sources project n° NNE5-2001-00075
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3SILVESTRO IT Session Alpha – Block 5 – Question 5.29
Barcelona 12-15 May 2003
Work package descriptions• WP 1: Grid stability and control • WP 2: Power quality and safety • WP 3: Socio-economic issues• WP 4: Planning, training and operation tools for regional supply systems• WP 5: Information, communication and electricity trading• WP 6: Test facilities for grid stability and control• WP 7: Implementation of RE technology for regional supply systems • WP 8: Test facilities for power quality in DG grids• WP 9: Operation and quality management tools in low voltage grids• WP 10: Pilot installations and monitoring of distributed power generators in low
voltage grids
• WP 11:Overall assessment of DG in local power supply systems
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4SILVESTRO IT Session Alpha – Block 5 – Question 5.29
Barcelona 12-15 May 2003
Work Package 1 & 2
• Work Package 1 (Grid stability and control) is intended to develop equipment and system models capable of ensuring effective and economical operation of electrical networks with high penetration of distributed renewable energy sources.
• Work Package 2 (Power quality and safety) will identify new standard requirements for grid connection of decentralized power generators with particular attention to islanding operation problems and the development of innovative protection methodologies and systems.
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5SILVESTRO IT Session Alpha – Block 5 – Question 5.29
Barcelona 12-15 May 2003
Work Package 3 & 4 & 5
• Work Package 3 (Socio-economic issues) is oriented to evaluate the influence of new communication technologies and distributed networks on the development of supply, consumption and distribution of electricity.
• Work Package 4 (Planning, training and operational tools for regional supply systems) aims at adapting existing tools for planning, design, operation of distributed generation systems.
• Work Package 5 (Information, communication and electricity trading) will develop an internet-based information network for fast and secure data exchange and management.
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6SILVESTRO IT Session Alpha – Block 5 – Question 5.29
Barcelona 12-15 May 2003
Work Package 6 & 7
• Work Package 6 (Test facilities for stability and control) The new concepts developed in the previous work packages need to be tested in the partners’ laboratories. Test sites will include distributed generators and communication facilities.
• Work Package 7 (Implementation of renewable energy technology for regional supply systems) will elaborate scenarios of long term perspectives for distributed generation in Europe. Both interconnected grids and weak and/or isolated networks will be considered.
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7SILVESTRO IT Session Alpha – Block 5 – Question 5.29
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Work Package 8 & 9
• Work Package 8 (Test facilities for power quality in DG grids) will realize a flexible low voltage grid structure. The scope is to evaluate different scenarios for the implementation of distributed energy sources and energy storage devices. A test facility with over 200 kW of installed power is already under development at CESI (Milano, Italy).
• Work Package 9 (Operation and quality management tools in low voltage grids) will develop a “Power Operation and Power Quality management system” which will be used to control energy flows and power quality in low voltage grids with concepts allowing for use of low cost equipment.
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8SILVESTRO IT Session Alpha – Block 5 – Question 5.29
Barcelona 12-15 May 2003
Work Package 10 & 11
• Work Package 10 (Pilot installations and monitoring of distributed power generators in low voltage grids) Experimental sites will be realized for the testing of distributed generators at low voltage level. Actually installed pilot sites are expected to be used at MVV (Dannenberg, Germany), at Iberdrola (San Agustin del Guadalix, Spain), at Stadtwerke (Karlsruhe, Germany).
• Work Package 11 (Overall assessment of DG in local supply systems) will coordinate the presentation and dissemination of results through publications and workshops.
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9SILVESTRO IT Session Alpha – Block 5 – Question 5.29
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Power Quality Operation and Management system:POMS
• PoMS is a communication infrastructure and optimisation tool for low voltage grids which is expected to perform power quality monitoring and control and to optimize grid operation through distributed generation control and demand side load management
• A PoMS system implementation consists of a central PoMS unit and a communication infrastructure, which connects DG and measurement units to PoMS.
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10SILVESTRO IT Session Alpha – Block 5 – Question 5.29
Barcelona 12-15 May 2003
Power Quality Operation and Management system:POMS
PV
CHP Storage
PV
BiomassCHP FC
Turbine/Generator
HeatElectricity
Industry
Central powerstations
Transport
Distribution
PoMS
• collect information about topology situation and power quality
• provide local strategies for power quality and security improvement;
• generates schedules for economically (cost) and technically (power quality) optimised operation of controllable generators and loads;
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11SILVESTRO IT Session Alpha – Block 5 – Question 5.29
Barcelona 12-15 May 2003
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12SILVESTRO IT Session Alpha – Block 5 – Question 5.29
Barcelona 12-15 May 2003
National Grid Structures
• Within the first activities of WP 2 and WP 9 in DISPOWER, an overview of different network structures (Italy, Spain, UK, Germany, Poland) and a preliminary classification has been performed.
• The aim is to find solutions and concepts that can be applied easily to a certain class of systems.
• Thus, a detailed description of the Low Voltage grids has been started by collecting the following information/ parameters.
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13SILVESTRO IT Session Alpha – Block 5 – Question 5.29
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National Grid Structure
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14SILVESTRO IT Session Alpha – Block 5 – Question 5.29
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Operating criteria
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15SILVESTRO IT Session Alpha – Block 5 – Question 5.29
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Equipment and automation
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16SILVESTRO IT Session Alpha – Block 5 – Question 5.29
Barcelona 12-15 May 2003
Load types and characteristics
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17SILVESTRO IT Session Alpha – Block 5 – Question 5.29
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LV network classification
LV network classification
Structure
Operation
Radial Link
Ring Meshable
Radial
Meshed
Area type rural
urban
Network type (%)
overhead
underground
Radial operation Ring operation Link operation Meshed operation
1 transformers X X 2 transformers X X X =>3 transformers X X X X
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18SILVESTRO IT Session Alpha – Block 5 – Question 5.29
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Possible networks for the DISPOWER goals: 7Main classes Subclass Subclass Description Classification
dundergrounoverhead
overhead
> 50 % Radial 1 Rural
dundergrounoverhead
overhead
<= 50 % Not common Not classified
dundergrounoverhead
overhead
> 50 % Not common Not classified
Radial
urban
dundergrounoverhead
overhead
<= 50 % Radial 2
dundergrounoverhead
overhead
> 50 % Link 1 Rural
dundergrounoverhead
overhead
<= 50 % Not common Not classified
dundergrounoverhead
overhead
> 50 % Not common Not classified
link arrangement
urban
dundergrounoverhead
overhead
<= 50 % Link 2
dundergrounoverhead
overhead
> 50 % Not common Ring 1 Rural
dundergrounoverhead
overhead
<= 50 % Not common Not classified
dundergrounoverhead
overhead
> 50 % Not common Not classified
ring
urban
dundergrounoverhead
overhead
<= 50 % Ring 2
dundergrounoverhead
overhead
> 50 % Not common Not classified Rural
dundergrounoverhead
overhead
<= 50 % Not common Not classified
dundergrounoverhead
overhead
> 50 % Not common Not classified
meshed
urban
dundergrounoverhead
overhead
<= 50 % * Meshed
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19SILVESTRO IT Session Alpha – Block 5 – Question 5.29
Barcelona 12-15 May 2003
Test sites
• Within DISPOWER, four test sites will be set up in order to evaluate the performances of active networks and the POMS strategies.– A test Facility will be installed at CESI, Milan
– MVV Energie AG will build up a solar settlement at the location “Querdeich”, Dannenberg, Germany
– The IBERDROLA Technology Demonstration Centre (TDC) near Madrid
– As a fourth test site, Stadtwerke Karlsruhe Germany, SWK
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20SILVESTRO IT Session Alpha – Block 5 – Question 5.29
Barcelona 12-15 May 2003
CESI test site
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21SILVESTRO IT Session Alpha – Block 5 – Question 5.29
Barcelona 12-15 May 2003Test facility: structureTest facility: structure
The topology grid and distributed resources configuration can be changed using control command to the transfer switches interconnection board.
Meters
Synchronism unit
LOADS FIELD
BIOMASS
DISH STIRLING
Hybrid PV system MCFC+
TT 1 T 2 PEM REDOX
VARIABLE LOAD
BUS-BAR 2
BUS-BAR 1
LOAD BUS-BAR
Der. 1 Der. 2 Der. 3
VARIABLE LOAD
LV Transfer switches board
TELE-CONTROLLED SWITCHES + INTERFACE PROTECTIONS
FLY WHEEL
PoMS
800 kVA 800 kVA
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22SILVESTRO IT Session Alpha – Block 5 – Question 5.29
Barcelona 12-15 May 2003Test facility: Solar Dish Stirling (1)Test facility: Solar Dish Stirling (1)
CESI Eurodish:
European Dish Stirling solar generator system (3rd prototype in the world)
based on the SOLO 161 Stirling motor
parabolic concentrator, 8.5 m diameter, 56 m²
2000 suns, temperature 800°C
Two axis tracking: azimuth & elevation
10 kWe 400 Vac 3 phase
Asynchronous alternator grid connected
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23SILVESTRO IT Session Alpha – Block 5 – Question 5.29
Barcelona 12-15 May 2003
Test facility: Test facility: Vanadium Redox Battery (1) Vanadium Redox Battery (1)
42 kW 84 kWh42 kW 84 kWh
Electrolyte tanks
Stack
Nominal Voltage 125 V
Maximum Current 500 A
Operative Voltage 100 ÷ 155 V
Number of cells 100
Manufacturer SUMITOMO
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24SILVESTRO IT Session Alpha – Block 5 – Question 5.29
Barcelona 12-15 May 2003
CESI Test facility: CESI Test facility: Wireless communication communicationWireless bridge AIRONET from Cisco: up to 20 km with special antenna, data connection speed from 1 to 11 Mb/s.
Protocol is IEEE 802.11 (named Wi-Fi)Units must be provided with PCMCIA or PCI cardsAlready used to interface PV hybrid system and Solar Dish Stirling with their remote control sites.
antenna
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25SILVESTRO IT Session Alpha – Block 5 – Question 5.29
Barcelona 12-15 May 2003
Pilot Installation MVV: Pilot Installation MVV: Solar Settlement Querdeich Solar Settlement Querdeich
6.64 kWp thin film PV systemFirst office building inaugurated in July 2002
Integrated energy concept: Biomass district heating & distributed generation
Goals of pilot installation:
• Demonstrate high (premium) power quality in LV grids with high penetration of decentralised generation
• Develop measuring concepts for pilot installations, having future massive distributed generation in mind
• Demonstrate remote monitoring and control of representative pilot installation sites
Foto: Pohlmann & Partner
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26SILVESTRO IT Session Alpha – Block 5 – Question 5.29
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• LV grid: - 400 kVA-Transformer station: 20/0,4kV- open-ring/ closed ring operation
• Loads:- private houses - office building - assisted living- nursing home
• DG-Generators: - PV-Generator: 121kWp- CHP (BHKW): approx. 50kW- Battery storage: 50kW/20min.
• PQ Monitoring: - SimeasQ (Siemens) or Mavolog (GM)- Topas 1000 (LEM)
Pilot Installation MVV: Current Pilot Installation MVV: Current Concept Concept
Source: Architektenbüro Pohlmann
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27SILVESTRO IT Session Alpha – Block 5 – Question 5.29
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Transformer: 400kVA; 20 / 0,4 kV
Communication
Central energy and power quality management: PoMS
30 kWp PV
Combined Heat and
Power Unit
50 kW
Battery Storage50 kW/20min.
kWh
kWh
kWh
PV120 kWp
CHP
MVV Pilot Installation: MVV Pilot Installation: Configuration DesignConfiguration Design
18 x 5 kWp PV
kWh
PQ - Recorder
Electricity meter
DC/AC Inverter
PQ
PQ
kWh
(optional) Distributionbox
PQ
PQ
PQ
kWh
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28SILVESTRO IT Session Alpha – Block 5 – Question 5.29
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End
Thank you for your attention
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29SILVESTRO IT Session Alpha – Block 5 – Question 5.29
Barcelona 12-15 May 2003
Radial 1 and radial 2
• LV Network in radial configuration:– radial 1 (rural )
– radial 2 (urban)
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30SILVESTRO IT Session Alpha – Block 5 – Question 5.29
Barcelona 12-15 May 2003
Link 1 and 2
• LV Network in link configuration:– Link 1 (rural )
– Link 2 (urban)
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31SILVESTRO IT Session Alpha – Block 5 – Question 5.29
Barcelona 12-15 May 2003
Ring 1 and 2
• LV Network in ring configuration:– ring 1 (rural )
– ring 2 (urban)
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32SILVESTRO IT Session Alpha – Block 5 – Question 5.29
Barcelona 12-15 May 2003
Mesheable configuration