Answer / a.p.nanjappa

It depends on your SUB STATION CONTROL SYSTEM (SCS)
supplier and client, and load despatching authority SCADA
system.
Generally Load despatching authority demand:
I) Remote control -on-off control oF CB,STATUS OF
INDICATION,PROTECTION AL+TRIP SIGNALS ,FEED BACK SIGNAL.
OLTC COUNTER,
2) INDICATION - A,V,F,PF, MW,MVAR,

3) METERING IN -OUT MWH,MVARH,

4) sTATUS OF ALL CB,DS,ES, PLC,

5) MAIN BUS ,INCOMMING,OUT GOING.

6)SUB STATION dc VOLTAGE, UPS ALARM

7)FAULT LOGGER REPEATITION SIGNAL.

THIS IS A VERY EXPENSIVE TASK. SCS SUPPLIER MUST FINALIZE
CLEARLY,AFTER FINALIZING SIGNAL SUCH ,AS DI,DO,AI,AO ,LOGIC
SEQUENCES, SHALL PROCEED HIS WORK.
tARIFF METERS ARE VERY EXPENSIVE. SCS MUST FOLLOW LOAD
DESPATCHING REGULATION AND ITS SPECIFICATION.

what is work of CTPT in 33/11kv Substation

1 Answers   Fiat,

---

what is differentila pilot supervision in the incomer control panel in the power station?

0 Answers  

---

how to give earthing in ships?

1 Answers  

---

How to know the back up time for a 5KVA UPS which is connected to 15 nos. of computers? Is there any formula for this? pls. tell me.

1 Answers   HAL,

---

why using transformer and thyristor switch in 3 phase apfc panel

0 Answers   Reliance,

---

what is the principal of braker

4 Answers  

---

I am apply the AAI. So i want electrical sample question paper in technical with answer my id is vijayjobsmart@gmail.com

0 Answers   AAI Airports Authority Of India,

---

what is the diffrence between kav and kvar?

5 Answers  

---

Generally in AC we consider voltage, frequency and phase sequence for parallel operation ... Can we parallel two DC battery chargers? If yes, then what precaution to be taken when we parallel two DC power?

5 Answers   Reliance,

---

how work the lighting arrestor?

2 Answers  

---

in a simple IDMT relay we use neutral point of ct for earth fault then what is the requirement of neutral ct and cbct?

0 Answers  

---

why field resistance is higher than armature resistance in dc machines? and why filed resistance is kept at min value at starting in same time of armature resistance at max value?

4 Answers  

---