Answer / k.prakashchandra

It is used to block unwanted DC supply.In case of Dg set
used for charging batteries, it blocks the reverse supply
to DC gen if the set fails.It protects dc appliances from
connecting wrong polarities to the supply.In battery
chargers it enables measurement of charging voltage and
battery voltage seperately.etc

Explain The Application Of Storage Batteries?

0 Answers   ABB,

---

What is the formula to calculate capacitor bank rating for a certain load.

2 Answers  

---

What is difference between safe PLC and normal PLC

0 Answers  

---

IF % IMPEDANCE OF A TRANSFORMER IS INCREASED FROM 5.8% TO 8% HOW MUCH THE EFFICIENCY OF THE TRANSFORMER WILL COME DOWN?

0 Answers   ABB,

---

sir what is the purpose of SF6 in HT breaker and what is the pressure should be maintain in the breaker?

2 Answers   Kirloskar,

---

what is softstarter? explain briefly where it is used?

2 Answers   Essar,

---

What will be MF for below rating ? Main CT PT value is 11kva/110 and 20/5 amp Meter display is 1kva/110v and -/5 amp What will be MF ? Multiplycity factor of energy meter

0 Answers  

---

State any two nuclear power stations in India, with their generating capacity.

0 Answers  

---

The normal highest generated voltage in India is a) 6.6KV b) 132KV c) 11KV

13 Answers  

---

Why is it that bus reactors are not accompanied by a neutral grounding reactor whereas a line shunt reactor is? PGCIL does so.

2 Answers  

---

In Transmission System if the potential difference at the two end of line are same then is the transmission of power will continue ? if yes then how.

1 Answers   IOCL,

---

Why current flows in nutral? As per theory there should be no current in 3 ph explain.

11 Answers   Bhel,

---