What is the difference between ELCB and RCD

Answer Posted / mansoor

both are same in eighties we used to call this device ELCB
now renamed to RCD

Is This Answer Correct ?    1 Yes 9 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

in control scheme dc logic wiring commonly using negative loop,what is the reason?if we use positive looping what will happen?

1864


whats the existence of reactive power and when it arises?

1633


how choose conductor&depending upon load

1445


we have require a Motor (1500kW, 6.6kV, 50Hz) which shall operate at 1500rpm during 30min and after it shall run on 500rpm during 15min. The same cycle shall be repetitive during the whole working days. Which method is best and economic to achieve such type of task. VFD, VVFD, Pole changing motor etc.

1492


During Starter Panel Com missing I Found The Main Incomer 40Amp MCB 10KA Trip When Motor Change Star To Delta Motor Rating 20HP BUT When We Use Same MCB To Other Motor It Does Not trip Or What Is Necessaries for Star Delta Starter MCB SFU MPCB OR MCCB And What are The Breaking Capacity of MCCB in the Motor above 15HP

1411






What is proportional controller?

698


In single phase ac ups supply when current is measured with tong tester neutral current is found more than phase current.What is the reason?

1608


Draw transformer phasor diagram.(full load,no load)

3699


Define peak time.

691


Why is the frequency not changed during transformation of electrical energy in a transformer?

853


I FINISHED MY B.TECH IN EEE . I AM IN NEED OF A GOOD TRAINING INSTITUTE TO DO COURSES .. CAN ANYONE SUGGEST GOOD CENTRES IN TAMILNADU ,BANGALORE ,OTHER AREAS???????

1436


Define de-sensitivity?

691


What is Servo Ventilated Motor?

1605


what is thermal resistance of PVC Cable.

1355


please explain to me how to calculate current,voltage,resistance with formula??

982