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IPS/UPS Wide Area Measuring System

IPS/UPS Wide Area Measuring System. Y. Kulikov System Operator of the Unified Power System Russian Federation. IPS/UPS WAMS CURRENT STATE. Information interchange diagram.

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IPS/UPS Wide Area Measuring System

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  1. IPS/UPS Wide Area Measuring System Y. Kulikov System Operator of the Unified Power System Russian Federation

  2. IPS/UPS WAMS CURRENT STATE

  3. Information interchange diagram Block UPS of Russia includes facilities and substations of different power systems and companies. Block IPS of CIS includes the power systems of Central Asia and Ukraine

  4. IA IB IC I0 UA UB UCU0 Current inputs Voltage inputs Digital signal processor ETHERNET PPS(+24V) GPS Convertor GPS receiver To CS fiber-optic line Phasor Measurement Unit (PMU)

  5. GPS antenna Communication channel Modem RS 232 GPSConnector Server fiber-optic line To PMU Ethernet 100 Mbit/sec RS 485 To PMU Communication Server

  6. View of communication server and PMU

  7. IPS/UPS WAMS Application domains • RDM validation • Low frequency oscillations monitoring • Steady state operation • Emergency conditions • IPS/UPS performance monitoring • Power system control schemes

  8. RDM validation Full-scale RDM validation has been fulfilled for three disturbances • Central Asia systems separation, 1400 MW, (01.02.2007); • Balakovskaya TPP units #3 and #4 tripping, 2000 MW, (04.05.2007); • Volgodonskaya TPP unit #1 tripping, 1010 MW, (31.08.2007) • Evaluation of the RDM adequacy was carried out on conformity of: • frequency (maximum deviation, speed of decrease, quasi-steady state value) • in the individual IPS and UPS/IPS in general; • frequencies and phases of the inter-area oscillations within the range 0.05 Hz – 0.5 Hz; • character of the oscillation damping; • character of the power change at the separate lines; • relative angles between electrically and geographically distant points

  9. Dynamic model validation Results of computation after adjusting of load sensitivity coefficients to frequency and voltage: Reference dynamic model of IPS/UPS Nodes – 4250 including Generators– 520 Equivalents– 140 Branches – 7050 The regular procedure of dynamic model validation on the base of WAMS recordings is applied in SO of UPS

  10. RDM validation procedure Archives creation and transmission to the Control Center of SO Collection of parameters and generation structureof ante-disturbance steady state operation Identification of disturbance for RDM validation Power system disturbance simulation by means of EUROSTAG Tuning of the model RDM Fulfillment of such procedure 4-6 times per year for the winter and summer operation conditionsof power system

  11. RDM Validation Central Asia power systems separation, 1400 MW, (01.02.2007);

  12. RDM validation Volgodonskaya TPP unit #1 tripping, 1010 MW Relative angles deviations IPS of Siberia – IPS of South Active power deviations Tie line UPS of Kazakhstan – IPS of Siberia Relative angles deviations IPS of Ural – IPS of Center Active power deviations IPS of Center

  13. IPS/UPS low frequency oscillations monitoringin emergency conditions

  14. IPS/UPS low frequency oscillations monitoringin emergency conditions 0.14 Kharanorskaya TPP 0.12 Yuzhnokazakhstanskaya TPP 0.2 SS Chiryurt

  15. IPS/UPS low frequency oscillations monitoringin steady state operation Procedure of monitoring 24 hours recording December 2007 and December 23(rest-day), 2007 The following UPS/IPS facilities: Nazarovskaya TPP (IPS of Siberia), Reftinskaya TPP (IPS of Ural), Zagorskaya PSHPP (IPS of Center), Stavropolskaya TPP (IPS of South), Yuzhnoukrainskaya NPP SS Zapadnoukrainskaya (IPS of Ukraine).

  16. Low frequency oscillations monitoring in IPS/UPS

  17. Low frequency oscillations monitoring in IPS/UPS

  18. Low frequency oscillations monitoring in IPS/UPS

  19. Low frequency oscillations monitoring in IPS/UPS

  20. Low frequency oscillations monitoring in IPS/UPS

  21. Low frequency oscillations monitoring in IPS/UPS

  22. IPS/UPS performance monitoring Network Power Frequency characteristic of entire IPS/UPS synchronous area Period of measurements: 05.2005 – 11.2007

  23. IPS/UPS Dynamic Model Validation procedure • Regular procedure of RDM validation • Identification of disturbance (volume of imbalance must be more than 800 MW). • Power facilities disturbance parameters recording by PMUs. • Keeping the parameters of ante-disturbance steady state operation, information on generation structure, volume of generation and available active power reserves • Power system disturbance simulation by means of EUROSTAG. • Comparison of recording and simulating parameters, tuning of the model. SS LENINGRADSKAYA KOSTROMSKAYA TPP TROITSKAYA TPP Place of disturbance: separation of the Central Asia with 1000 MW imbalance PMU Frequency recordings Simulation of the identified disturbance by means of EUROSTAG

  24. IPS/UPS Wide Area Measuring System Thank you for attention Y.Kulikov System Operator of the Unified Power System

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