Answer / krishnappan

in switchyard first our earth switch should be open.
after that close the bus isolator,then line isolator.
finally close the circuit breaker

Answer / sandeep

in case of maintainance first open the circuit breaker then
open the isolator then close the earthing switch
and while charging the line do exact reverse i.e. open
earthing switch first then close isolator then finally
close circuit breaker.

why ohmas low not sutable to transformer.

1 Answers  

---

How to Calculate The sag of OPGW in Transmission Line???

0 Answers   Zenco Systems,

---

How can I calculate the Mega watts required to run a plant having many electric motors and other electrical components.

0 Answers   ISS,

---

1)What will be full load current for 1000kva 3 phase generator. 2)What will be full load current for 20Kva 1 phase inverter.

5 Answers  

---

what is phase to phase fault? what is line to line fault?

6 Answers  

---

How 3 phase invertor works?

0 Answers   Aero Ltd,

---

How many sprinklers should be in one pipe line?

0 Answers  

---

what is the difference between home inverter and online ups?

2 Answers   ME,

---

what is mcb

7 Answers   L&T,

---

What are the drawbacks of HVDC system?

4 Answers  

---

why it is not advisable to run low rating (19KVA) DG sets in parallel for long durations even though they are provided with droop ckts (QDC)

0 Answers  

---

What can be a rating of a transformer(KVA) if the load is about 1000KW?illustrate by showing formula?

2 Answers  

---