Answer / logan

An electrical substation is a subsidiary station of an
electricity generation, transmission and distribution
system where voltage is transformed from high to low or the
reverse using transformers.

construction is explained in the books of john D Mc Donald.

Answer / g venkateshwarlu

The use of a an Electrical substation is either to step
up / stepdown the voltage of the transmission line to suit
the voltage level to be distributed either directly or
indirectly to the consumers. Normally, voltage will be
stepped down for the distribution purpose.

Transmission voltage is 400 KV in India. It will be stepped
down to 400 KV / 220 KV / 132 KV / 33 KV / 11 KV or 415V
level to suit to the requred level.

Answer / stalinborn

substation is used to change voltage level whether it is
step up or step down using transformer.The secondary of
transformer will feed to many feeders.for measurement and
protection of devices in substation there will be CT and PT.

Answer / abhidewas

substation are the place where u perform the following operation..

1) compensation of reactive power.
2) change the magnitude of voltage.

Answer / ch.narender

Conventional current is the reverse current conventional current is again connected to the main input supply through substation(please answer to its correct or not)

Answer / natesan

1. Load demand ( I think u know )
2. Reduce the voltage drop ( Government get profit )

what do you mean by switchgears?

5 Answers   Practical Viva Questions,

what is the abbreviation for F.M In FM-200 fire suppression system

1 Answers  

give single line diagram of D.G distribution form alternator to main L.T panel?

0 Answers  

what is power and what is watts detailed description and formulas

2 Answers  

lllg,llg,ll,lg,lll which fault is severe and why?

10 Answers   COEP, GE, PSC,

why are using bus ducts ? why not using cables

12 Answers  

60 watts bulb and resistor home heater is connected in series and 230v is given to the circuit. The heater is giving some amount of heat. If instant of 60 watts bulb replace 100 watts bulb what will be the output of the heater?

2 Answers   NPCIL,

can any one explain me the where is the use of plc and scada

4 Answers  

What will happened if the neutral of the (star connected secondry) Xformer disconnected? (if its Above KVA rated one)

0 Answers   Equate,

what happen when power factor of 2 parallely operated transformer become equle?

0 Answers   Flextronics,

Can we connect two or more energy meters/Amp meters on one CT set(Three phase).

5 Answers   Parle, Watermark Engineering,

what is PI value and its significance for insulation testing?

3 Answers