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A CASE STUDY OFA CASE STUDY OF
CONTINGENCY ANALYSISCONTINGENCY ANALYSISON WRLDCON WRLDC
RATHORE SUMIT K.RATHORE SUMIT K.
M.E-1M.E-1stst -POWER SYSTEM-POWER SYSTEM
B.V.M VVNAGARB.V.M VVNAGAR
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SYSTEM SECURITYSYSTEM SECURITY
System Monitoring.
Security constrained optimal power flow.
Contingency Analysis.
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OPERATING STATE OF POWER SYSTEMOPERATING STATE OF POWER SYSTEM
NORMAL STSTE
RESTORATIVE STATE EMERGENCY STATE
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CONTINGENCY????CONTINGENCY????
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CONSTRAINED IN SYSTEMCONSTRAINED IN SYSTEM
maxmin ViViVi
maxkiki
Line flow (Branch flow)
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APPLICATION IN FIELDAPPLICATION IN FIELD
WRLDC (Western Regional Load Dispatch Centre)
successful implemented POWER NETWORKANALYSIS(PNA) sub system of ENERGY
MANAGEMENT SYSTEM(EMS) after proper
tuning of STATE ESTIMATOR(SE).
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About WRLDC (Western Regional Load Dispatch Centre)
Comprises states of GUJARAT, MAHARASTRA, MP,
CHHATTISGARH, GOA, DADRA AND NAGAR
HAVELI, DAMAN AND DIU.(WESTERN REGION40944 MW).
Private central sector of NTPC at KORBA,VINDHYACHAL, KAWAS & GANDHAR and nuclear.
(EASTERN REGION)
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MAP OF WESTERN REGIONMAP OF WESTERN REGION
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HV LINES LOACATION
400kV Chandrapur-Parli 1458MW-21degree-limit 25degree
400kV Koradi-Bhusawal 1011MW-21degree-23degree
400kV Itarsi-Khandwa-Dhule 1101MW-18degree-21degree
On MAY-08 western region catering a demand of 25000MW at
11:30hrs.
ER-WR-1200MW
NR-WR-1400MW
WR-SR-750MW
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Information ObtainedInformation Obtained
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EMS database for western region
591 buses
230 generators
603 loads 623 lines (Up to 132kV level)
10486 breakers
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PREDEFINED CASE LIST AT WRLDC
400kV Chandrapur-Parli S/C outage
400kV Chandrapur-Parli D/C outage
400kV Koradi-Bhusawal S/C outage
400kV Koradi-Bhusawal D/C outage
400kV Itarsi-Khandwa S/C outage
400kV Itarsi-Khandwa D/C outage
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CONTINGENCY CASESCONTINGENCY CASES
Acceptable cases.
Cases with overload, over voltage etc.
Not Converged case. Islanded cases.
Multiple contingency cases.
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THANK YOU
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