HIL and PHIL simulation examples in EPMLab Frédéric Colas INTERNATIONAL SUMMER SCHOOL HIL 16

Transcription

1 HIL and PHIL simulation examples in EPMLab Frédéric Colas INTERNATIONAL SUMMER SCHOOL HIL 16

2 Outline 2 Introduction EPMLab short presentation Storage integration in island grid (Guadeloupe) EV charge control for distribution grid experimental MTDC grid

3 EPMLab 3 Description: Open R&D environnement in the field of new types of energy conversion, generation and storage integration in power system based on an experimental grid and real time simulation.

4 Research 4 Hybrib power plant control Integration of New types of energy production in power system New types of energy conversion (i.e. power electronics)

5 Examples 5 => 3 examples Storage integration in island grid (Guadeloupe) EV charge control for distribution grid Experimental Multi-terminal DC grid

6 Examples 6 => 3 examples Storage integration in island grid (Guadeloupe) EV charge control for distribution grid Experimental Multi-terminal DC grid

7 Context 7 Island Grids : Weak Grid One grid operator (TSO+DSO) Fossil fuel power plant Integration of renewable energy distributed generation Restriction factor to the integration of renewable energy generation More and more of renewable energy Reduction of the power system inertia Primary reserve allocation problem Fossil fuel Power Plant used on a nonoptimal point => Pollution increase One solution : Connect DESS to the island grid 7

8 Scenario 8 Coal Power plant fault producing 22.7MW of a total consumption of 140MW Supercapacitor storage device virtual insertion in Sainte Anne substation Storage objectives : Peak frequency and dynamic transient settling time reduction

9 Storage device insertion 9 Power Amplifier Real-Time simulator Current sensor CNA CAN

10 Results 10

11 Examples 11 => 3 examples Storage integration in island grid (Guadeloupe) EV charge control for distribution grid Experimental Multi-terminal DC grid

12 IVERD Project - Objectives 12 1/ Develop a supervisor for EVs chargers to - minimize costs of DSO, energy suppliers, etc - Propose some ancillary services for Distribution grids 2/ Build a demonstrator using PHIL principle and integrating real chargers controlled with smartmeters. 3/ test the proposed supervision strategies

13 IVERD Project 13 EV integration in distribution grid (EV charge and load shedding ) Départ HTA (ephasorsim) Un poste de distribution HTA/BT externalisé Tension 15 kv Courant Phaseur/ EMT 400 V Tension Courant P clients + P VE Real time simulation of distribution system (300 bus) Phasor simulation mandatory Charges pilotables (ECS, radiateurs) Compteurs P client P VE P VE Bornes Phasor mode/emt and Hardware interaction Légende : Puissance Consignes Mesures Simulation Simulation temps réel Charge non pilotable Emulateur de batteries VE

14 IVERD project 14 EV integration in distribution grid (EV charge and load shedding ) Départ HTA (ephasorsim) Un poste de distribution HTA/BT externalisé Tension 15 kv Courant Phaseur/ EMT 400 V Tension Courant Concentrateur P clients + P VE CPL SCADA system connected to smartmeters Supervisor based on theory developed in our laboratory Supervision énergétique Compteurs P client P VE P VE Charges pilotables (ECS, radiateurs) Bornes Légende : Puissance Consignes Mesures Simulation Simulation temps réel Charge non pilotable Emulateur de batteries

15 Examples 15 => 3 examples Storage integration in island grid (Guadeloupe) EV charge control for distribution grid Experimental Multi-terminal DC grid

16 Demo TWENTIES Mock-up 16 Context Currently operating offshore cable Under construction or planned offshore cable Under study by TSO Under study by TSO/EWEA recommendation Proposed by EWEA in the 2020 timeframe Proposed by EWEA in the 2030 timeframe Proposed offshore node Concession and development zones

17 MTDC Mock-up Characteristics Vdc = 250 V Idc = 10 A Uac = 125 V Physical elements Low voltage DC grid Real VSC DC breakers Simulated elements RT simulated VSC AC grids Wind farms Interface Power amplifiers SCADA System Coordinated control Protection algorithm

18 DC Grid 18 Low scale submarine cable delivered by Nexans Total length = 15km Insulation XLPE Junction Box Conductor Armouring Outer sheath Copper Section 10mm² Copper Section 25mm²

19 General overview 19 Vdc = 250V, Idcnom = 10A Uac = 125V Real VSC

20 Inverter design Real VSC 20 High level control : - Gateway to the SCADA system - Initialization sequence Low level control : - Voltage and current loops - PWM generation - Over current and voltage software protection

21 Inverter design Real VSC 21 Use of real time simulation to design and test the real VSC Control algorithm FPGA RT model

22 Inverter design Real VSC 22 Totally homemade and remote controlled 3 Operating Modes: 1- Slave Mode 2- Master Mode 3- Droop Mode

23 General overview 23 Vdc = 250V, Idcnom = 10A Uac = 125V AC Grid And Windfarms simulation 5

24 Simulated AC Grid 24 Kundur power system 2 areas Primary frequency and voltage control Each group has a PSS G G4 700 MW 176 MVAr MW 1767 MW MVar 100 MVar Area 1 Area MW 214 MVAr G2 L1 400 MW L2 G3 717 MW 255 MVAr Simulated in Real Time Time step = 25µs 700 MW 94 MVAr

25 Simulated AC Grid 25 G G4 700 MW 176 MVAr MW 1767 MW MVar 100 MVar Area 1 Area MW 214 MVAr G2 L1 400 MW Hybrid simulation L2 G3 717 MW 255 MVAr Simulated in Real Time Time step = 25µs 700 MW 94 MVAr

26 AC Power [GW] DC Voltage [kv] DC Voltage Control on a MTDC Grid DC voltage deviation Local control strategy Ex : Droop Control Power deviation is shared between 1 & 2 Droop 478MW Droop 759MW Power 617MW Power 385MW U s1 U s2 U s3 U s4 U s5 P g1 5 Power 237MW 0 P g2 P g3 P g Time [s] P g5

27 DC Voltage [kv] DC Voltage [kv] Power [MW] DC Voltage Control on a MTDC Grid High level control strategy Ex : Coordinated Control 340 Without coordinated control Coordinated Controller Wind Power WF1 WF2 WF Time [h] With coordinated control Upper Limit 330 Upper Limit Lower Limit 310 Lower Limit Time [h] Time [h]

28 Perspectives 29 - Integration of 2 MMC in the MTDC grid - Integration of a fault tolerant DC/DC converter designed by Aberdeen and Barcelona university Contacts : Thank you for your attention frederic.colas@ensam.eu xavier.guillaud@ec-lille.fr francois.gruson@ensam.eu