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.

in a three pin socket y the pin of earthng is longer n bigger...?

3 Answers  

---

how can we detect that which is receiving side and which is sendind end of a trnasmmison line by just seiing it?i.e its which end is coming from genertaing and distribution side?

5 Answers  

---

CAN ANYBODY PL TELL ME WAT FACTORS CAN CAUSE UNDERVOLTAGE ON A BUS??? PL LIST ALL THE REASONS WITH SOME EXPLAINATION

3 Answers  

---

CBCT selection

0 Answers  

---

WHAT IS REMOTE CONTROLLED DG? WHAT IS DIFFERENCE BETWEEN REMOTE CONTROLLED DG & NORMAL DG SETS

2 Answers  

---

how to decide the rating of the ct for 1500 kva transformer

1 Answers  

---

A 3PH MOTOR RUNNING IN NORMAL CONDITION AND ITS AMPERE ALSO UNDER ITS FULL LOAD CURRENT,ITS CABLE RATINGS ALSO HIGER THN ITS CAPACITY,BUT ITS CABLE GETTING ABNORMAL HEAT(NOT TOO HOT)WHY ITS GETTING HOT LIK THIS

2 Answers  

---

What is the different between conventional MCC and intelligent MCC? Common controller or controller for each bucket

0 Answers  

---

WHAT ARE THE BELT HORMONICS IN AC MACHINE HOW TO REDUCE IT

2 Answers   DRDO,

---

why we don't use earthing as neutral?

1 Answers  

---

can we choose current transformer secondary, to calculate residual flux in a power transformer, so as its saturation is close to the saturation level of power transformer?

0 Answers  

---

if the load is reactive then what is the use of calculating the real power and what is the use of reactive power if my question is wrong please excuse me..

1 Answers  

---