Answer / pyobik

Sub-Station classification:
1. According to service requirement
a) Transformer sub-station
b) Switching sub-station
c) power factor sub-station
d) Frequency changing sub-station
e) Converting sub-station
2. According to constructional features
a) Indoor sub-station
b) Outdoor sub-station
c) Under ground sub-station
d) Pole mounted sub-station

Answer / nilkanth.

There are mainly three types of sub-stations.
1.step up/down substations-where stepping up or stepping
down of voltage has done.
2.power factor improvement sub station-where power factor
is improved by installing capacitor banks or synchronous
condensors.
3.switching sub stations- Where switching action like
switching on or off has done for maintenance purposes for
other reasons.
4.poll mounted substation, Underground substation

Answer / rajesh

There are mainly three types of sub-stations.
1.step up/down substations-where stepping up or stepping
down of voltage has done.
2.power factor improvement sub station-where power factor
is improved by installing capacitor banks or synchronous
condensors.
3.switching sub stations- Where switching action like
switching on or off has done for maintenance purposes for
other reasons.

Answer / rvg.msceb

These are main types of sub-stations.
1.at generating stations: step up voltage to higher level
2.at intermediate stations: step down voltage to lower level
say 400Kv to 11kv, and power factor improvement may be also
doing within these sub station

3.At load center: Where voltage is getting down to 400volts,
and this is near to be load center

Answer / abdul nazir

Only two types.
1. Indoor substation
2. Outdoor substation.

Answer / subrat kumar das

generally four types of substation.thes are
Step-up Transmission Substation
Step-down Transmission Substation
Distribution Substation
Underground Distribution Substatione are

Answer / vijendra joglekar

Types of sub station:
1)Pole mounted type sub station
(for low rating up to 100 kvA)
2)Outdoar type sub station
(for voltage upto 11kv to 132kv)
3)Indoar type sub station
(for voltage local sub station primary voltage
11kv,secondary voltage 400/440 volts)

Answer / virendra joshi

Here are the diffrent kind of substation.
1. Step up / step down substation
2. Power factor improvement substation
3. frequrecy changing sub-station
4. HVDC substation.
5. Outdoor substation
6. Indoor Substation
7. Grid Station ( Regional , National )

Answer / r.ramadhivya

1.Generating substation
2.grid substation
3.secondary substation
4.distribution substation
5.special purpose of substation

Answer / gayatri

type of sub-station
1. outdoor sub-station
a) pole mounted sub-station
b) foundation mounted sub-station
2. indoor sub-station

differentiate between one way two gang switch & two way one gang switch, used in designing the loads of building.

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