Instrumentation & Control Research for NPP at Western University in Canada

Transcription

1 Instrumentation & Control Research for NPP at Western University in Canada Jin Jiang NSERC/UNENE Senior Industrial Research Chair Department of Electrical and Computer Engineering The University of Western Ontario, London, Ontario, N6A 5B9, Canada

2 University of Western Ontario 2

3 Nuclear Power Plants in Canada Pickering A Bruce A Pickering B Bruce B Gentilly-2 Point LePreau Darlington 2168 MWe 3300 MWe 2160 MWe 3440 MWe 685 MWe 680 MWe 3740 MWe 3

4 Overview of CANDU Power Plant CANDU (CANadian Deuterium Uranium) Power Plant 4

5 Research being Supported Modeling Wireless Sensor Applications Simulation Devices and Networks Diagnostics Advanced Control 5

6 Physical test bed Simulation Environment for I&C Research Big Screen Simulator Connectivity Cart Instrument Workbench Safety Control Systems Physical Demo Engineering Workstations (Fieldbus, DCS, Safety) Shutdown System/ Simulation Workbench 6

7 Simulator and Console 7

8 DCS and Safety PLCs 8

9 Physical I&C test bed 9

10 Functions of Physical I&C test bed SG level and pressure control Pressure and inventory control of heat transport system Pressurizer pressure and level control Turbine control Shutdown systems Passive safety system Monitoring and fault diagnostics Reactor power control

11 Nuclear I&C Research Activities at Western Reactor modeling and simulation Hardware- and software-in-the-loop simulation Distributed control systems, networks and smart devices Control system design and evaluation Fault detection and diagnosis Wireless sensor applications 11

12 Reactor Neutronic Kinetic Models (a) (b) (c) (d) 3-D reactor power distribution by a modal synthesis model (reactor bulk power is 1.0 FPU) (a) The sixth plane; (b) The fourth plane; (c) The second plane and (d) The end plane 12

13 RRS Function Spatial Control An animation showing the dynamic process of neutron flux distribution within the 4th layer 13

14 Canadian SCWR Design Evolution 14

15 Modeling of SCWR-based Power Plant REACTOR REHEATERS HP IP LP GE CND HP HT FD PUMP DEAERATOR LP HT 15

16 Linear Dynamic Model Development MCU: Diagnostics and Encryption 16

17 Modeling and Hardware-in-the-loop Simulation Effects on Network Based Control Human Machine Interface Nuclear Power Plant Simulator DeltaV Distributed Control System Data Acquisition and Processing System HF Controls ECS1200 SBC06 Honeywell Siemens PCS7 C300 Distributed Distributed Control Control System System Control Process Physical Demonstration 17

18 Verification and Validation (V&V) by Hardware- and Software-in-the-loop Simulation Measuring and Analyzing the Fidelity of in-the-loop Simulation Platforms Currently 3 Measures: Availability, Transparency, Normalized Transparency 18

19 Nuclear Power Plant Safety Critical and Shutdown Systems (FPGA) Safety Critical Hardware-in-the-Loop Simulation Environment (FPGA) safety system inputs (process variables) SI Units, high/low 4-20mA, 0-5/10V National Instruments Data Acquisition (DAQ) Inputs Input Circuit Extensive Conditions Processing Logic (FSM) Output Circuit Trip Signal NPP Training Simulator and Human Machine Interface SI Units, high/low 4-20mA, 0-5/10V safety system outputs (trip signals) Setpoints Altera Stratix FPGA with SDS1 logic 19

20 Evaluation 20

21 Research on the Effects of Networks on the Control of a Physical Process Level Control Loops using (a) Analog Channels (b) Analog and FF (c) FF H1 Network Only 21

22 22

23 MPC for Delay Compensation (Experiment) (a) Plate level responses to a step input; (b) control signals to the actuator under different control schemes in the case of time delay from 2.18 to 2.73s. 23

24 U-Tube Steam Generator Level Control Nonlinear Model Predictive Control Control through Fieldbus Level Set-point Optimization for Three Term Controller 24

25 Non-minimum Phase Practice Swell and shrink Inverse response characteristic Typical step response s 1 MP 2 s s 1 s 1 NMP 2 s s 1 * 25

26 Compensating Circuit Manipulated variable Compensated manipulated variable 26

27 Network deployment scheme in NPP 27

28 Standards in WSN Investigation on standard low powered WSN ZigBee. WirelessHart. ISA 100. Chirp SS based WSN. ZigBee ISA100 WirelessHART 28

29 Wireless Communication Inside A Hot Cell Observations No significant impact of radiation observed. Freq. Received power (dbm) Low Rad. High Rad

30 Interference with RPS Susceptibility of the sensitive instruments to EMI from wireless devices Instrument: Log rate amplifier. Wireless devices Walkie-talkie. ZigBee WSN module. Vector signal generator, analyzer. Response recorded at different distances. 30

31 Interference with RPS Observations with walkie-talkie. Distance Rate change 2 14% 4 10% 6 8% 8 2% 12 1% Trip threshold 5%. 0% rate change with WSN modules at even 0 distance. 31

32 EM Characterization Characterization of EM environments in NPP Measurements are taken in an operating nuclear reactor. 32

33 Deployment Tests in A Research Reactor At a research reactor Sensor nodes 33

34 Tests at Point Lepreau Nuclear GS Wireless Sensor 34

35 Thank you for your attention 35