Answer / karun

Inverse Definite Minimum Time Lag = IDMT relay

It's a electromagnetic type rotating disk relay.

Tripping time of relay decreases with increasing fault current.


Read more:
http://wiki.answers.com/Q/What_is_idmt_relay#ixzz18ZiYIQIj

what is the diffference between 3 point and 4 point starter ?

3 Answers  

---

What happens if the capacitive reactance of a transmission line is very high?

5 Answers   ABB, Power Grid,

---

If a 3 phase transformer is a 500 kva using the formulae 500kva= 500000/433 x 1.732 = 666.71amps does this mean that each phase on the secondary side is 666.71

3 Answers   Saffron,

---

what is magnetizing and demagnetizing current in generator and motor?

0 Answers   HBL Power Systems,

---

PLS SEND THE RRB CHENNAI MODEL QUESTION PAPER my email id is ganesan98655@rediffmail.com

0 Answers   RRB,

---

---

What is UPS and How do you maintain the UPS Maintenance? Brief Description on UPS maintenance.

0 Answers   JLL, Nokia, Uttam Galva,

---

Why does the phase voltage of two healthy phases become equal to the line voltage in case of an ungrounded neutral 3 phase star connected sytem when a single line to ground fault occurs ?

2 Answers  

---

How will u calculate wire size according to current rating?

2 Answers   Global Computer,

---

What is sunrise meeting ?

1 Answers   KSEB,

---

my N-P 230 VAC at 3 wires but i haven't any voltages at phase to phase whither my supply is 3 phase, why i haven't received these line to line voltages ?

2 Answers  

---

Why stones are layed under Transformer

4 Answers  

---

different aspects of voltage stability

0 Answers  

---