Substation Automation System And A.C. KIOSKS - Hvpn.gov.in
Substation Automation System And A.C. KIOSKS - Hvpn.gov.in
Substation Automation System And A.C. KIOSKS - Hvpn.gov.in
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Annexure-IBasic Monitor<strong>in</strong>g requirements are:- Switchgear status <strong>in</strong>dication- Measurements (U, I, P, Q, f)- Event- Alarm- W<strong>in</strong>d<strong>in</strong>g temperature of Transformers.- Ambient temperature.- Status and display of 415V LT system, 220V & 48V DC system.- Status & Display of Fire protection <strong>System</strong> and AC <strong>System</strong>.- Acquisition of all counters <strong>in</strong> PLCC panels through potential free contacts fromPLCC or <strong>in</strong>dependently by count<strong>in</strong>g the receive/send commands.- Acquisition of alarm and fault record from protection relays Disturbance.- Monitor<strong>in</strong>g the state of batteries by display<strong>in</strong>g DC voltage, charg<strong>in</strong>g current andload current etc.- Tap-position of TransformerList of InputsThe list of <strong>in</strong>put for typical bays is as below:-Analogue <strong>in</strong>putsi) For l<strong>in</strong>eCurrentii)R phaseY phaseB phaseVoltageY-B phaseB-R phaseFor TransformerCurrent R phaseY phaseB phaseWTI (for transformer)Tap position (for transformer only)iii) For Bus couplerCurrent R phaseY phaseB phaseiv) Commona) Voltage for Bus-I, Bus-II and Transfer bus wherever applicableVoltage R-Y phaseY-B phaseB-R phaseb) Frequency for Bus-I and Bus-IIc) Ambient temperature (switchyard).C:\Users\itms\Downloads\SAS Spec. (1).doc - 27 -
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