Answer / sunil ulange hit

INDOOR SUBSTATION MEANS THE SUBSTAIONS THAT WE KEPT INSIDE
THE ANY BULDINGS, HALLS

OUTDOOR SUBSTATION MEANS THE SUBSTATION THAT WE KEFT OUSIDE
PLACE MEANS BARRONS, DESERTS..ETC
AND THESE ARE DESIGNED CONSIDERING IP PREOTECTION.ie WATER
PROTECTION, DUST PROTECTION.. ie IP 54, IP55

Answer / jyothi

Indoor substation is a substation this is constructed in
side the building and this is used below 11kv.
Out door substation is substation this is constructed in
open areas(large areas0.and this is used above 11kv.

Answer / somasundaram.t

IN indoor substations the substation equipments are kept
inside the closed environment or buildings whereas in the
outdoor substation the substation equipments are kept in
open environment or opened surroundings.

Answer / raikripashankar

IN indoor substations equipments are kept
inside the closed environment or buildings whereas the
outdoor substation tequipments are kept in
open environment or opened surroundings.

Answer / balaji

1.Indoor substation means underground substation,outdoor
substation means above the ground.
2.purpose to go for indoor substation is less space
available for erection of substation.so we can use SF6 gas
as insulating medium in indoor substaion to reduce
space,instead of using normal insulation.but cost is high
for erection of indoor substation.

WHAT IS THE CONDITION FOR OPERATING DIFFERENTIAL RELAY IN POWER TRANSFORMER & WHERE IS NEUTRAL CT PLACED IN TRANSFORMER

2 Answers  

---

pls tell me function of closing coil of A.C.B.

0 Answers  

---

what is the common earth

0 Answers  

---

IF 3 NOS.OF HEATERS,3KW CAPACITY EACH,1 NO.HEATER CONNECTED IN R PHASE,1 IN Y PHASE AND 1 IN B PHASE.THEIR END POINTS CONNECTED IN STAR.IF I CONNECT THIS STAR POINT TO NEUTRAL OR DO NOT CONNECT TO NEUTRAL.WHAT WILL THE DIFFERENCE.

3 Answers  

---

A motor running with lenze frequiency inverter stops if I REDUCE SPEED with 25% load.If I run it in High speed and medium speed running smoothly with full load.please help me to solve it.

0 Answers  

---

---

what happens when series resonance occurs?

0 Answers  

---

what is the working principle of UPS?

2 Answers  

---

Hi, what is the temp of bus bar.

1 Answers  

---

how to operate and maintenance of 1500 kva diesel generator set

0 Answers   Supertech,

---

What is meant by the KA-rating of a circuit breaker? In this regard, discuss the stresses experienced by the circuit breakers

3 Answers  

---

Which starter can be used for 3 phase verriable speed (2 stator wdg) induction motor ?

2 Answers  

---

Which capacitor is preferred for high voltage and frequency?

0 Answers  

---