Answer / piyush

To reduce the earth resistance

During underground cabling in landscape area what did we cover the cable with to prevent the electric shock & protect the cable?

0 Answers  

---

Wat will happen if R-phase of an alternator is connected to B- Phase of AMF panel fed from alternator

4 Answers  

---

what is formula in determining the size of Circuit Breaker for transformer with the following specifications. 7 units of 1600 volts (primary) and 400 volts (secondary). Both Primary and Secondary will have a circuit breaker which is SF6. What should be the Switchgear Main Breaker Size anf the sizes of each brances Circuit Breaker for Primary.

1 Answers   ABB,

---

What products have you designed which have entered high volume production?

0 Answers   Intel,

---

wat is the advantage of increse in frequency?how the powersupply range decreses as the frequency increses?like in america,it uses 110 ac and 60 hz?

4 Answers  

---

---

in thermal power plant the steam produced is made to cool after falling on the turbine blades. my question is why this is done while the same is needed to heat up again. "jab pani ko wapis garam hi karna hai to thanda kyu karte hai"

11 Answers   Bhel,

---

what is the max working temperature of an oil filled transformer say of about 1500kva.

3 Answers  

---

What is the Minimum winding resistance of motors ( small & big)? referance range

0 Answers   TATA,

---

How can we select a capacitor Bank.? i need a standard formula for that.?

3 Answers   ABB, Ace Info, HAL, IKK, MahaGenco,

---

State the points to be considered for selecting a particular type wiring.

0 Answers  

---

how will you determine the short circuit capacity of a network

3 Answers   Dalkia,

---

what will happen if the secondary of current transformer kept open....

16 Answers   KSEB,

---