why ELCB's are not useful for operation theater equipments ?
Answer Posted / pravesh
as we knoe that elcb is earth leakage ckt breaker. it workd
on milli amp. of current in theaters if we use elcb there
may be chances of eath leakge current or may be a current
may flow through the neutral which may cause tripping and
equipment shutdown causing hinderance, so the elcb are not
used in theaters
| Is This Answer Correct ? | 2 Yes | 7 No |
Post New Answer View All Answers
What are the factor to be consider for CT selection in 132kV substation?
An ELHNC 80amp 240v 30mA RCD is tripping periodically, every 30 - 180 seconds is it safe to disconnect the protection circuit?
what is residuel magnetism. and how order lead acid batteries for 24 volt. emergency lighting system.
what is the effect of back reactive power on the generator ?
What are the different circuits in thermal power plant?
Discuss the effect of sudden loading of an induction motor
Please sent me some previous year question papers of BSNL-JTO telecom and RRB in ELectrical Engineering to varshashahi@yahoo.com
how hydrogen cooled alternator undergo maintanence ? that is hydrogen when come in contact with air can result into explosions .
1)what is the function of a frequency inverter? 2)If a few frequency inverter are connected onto a device network,what are the two setting that will ensure the frequency inverter work properly on the network. 3)whats is the name of the input sensor for weigher? 4)How to confirm that the load cellis faulty? 5)Describe briefly the steps to validate that the weigher is working properly? 6)Describe the procedure to validate the flowmeter accuracy? 7)Describe briefly the steps to validate that the tempreture sensor/transformer is working properly. 8)what is the adjustment that need to be done when you are calibrating the temperature transmitter ? 9)what are the safety measures to be taken before disconnecting motor for rewinding. 10)whats is the synchronous speed in rpm of typical 4pole 50hz motor? 11)whats is the formula for kw, ohm's law 12)if a 3phase motor is rated 3kw,415vac,what is it's rated ampere?
Write down the brushes of a de machine.
what is basic difference betmeen normal & flame proof motor??
what is d check in dg 1500kva
TCS IS IT COMPANY THEN WHY DO THEY NEED ELECTRICAL &ELECTRONICS ENGINEERS?
How do the synchronizing lamps indicate the correctness of phase sequence between existing and incoming alternators?
Can you explain about pole discrepancy scheme