Answer / guest

INSULATION RESISTENCE = kilo volts + 1
Example:
voltage = 415V

acceptable I.R. value of the motor = 0.415+1
= 1.415 M ohms

What is WLD System????

3 Answers   Emerson, HCL, Honeywell, Tata Communications,

---

why we generate transmit and distribute electrical supply in multiple of 11

6 Answers   NHPC,

---

difference between diode and scr?

2 Answers  

---

why transformer rating comes in kva?

4 Answers   HNG, Tech Mahindra,

---

for compensate 315mh inductance ,how many capaciance required?

1 Answers   Mitsubishi,

---

what is meant by impedance testing of transformer and why it is used

1 Answers   TATA,

---

why there is a phase difference between line voltage & phase voltage ?

4 Answers  

---

If the positive terminal of batteries in 125 v dc system is connected to earth what will happen ?

4 Answers  

---

Is it possible to use a S1 duty class motor for crane application (S4)? If not, why?

0 Answers  

---

how to test vector groups in transformer differential relay.

1 Answers  

---

Though transformer consist winding which usually cause reactive power change in both generator and motor but it wont affect reactive power passing through transformer why?

2 Answers   Jindal, Reliance,

---

What is meant by CFL & PL lamps

1 Answers  

---