Answer / rvg

Operation theatre using life saving equipments,and even if
there is small leakage, the circuit will trips off and if
it happends during a major operation, it should not be happen.

Answer / bernard zakaria

Why elcb can not work in Telecom DC power plants(-48VDC)?

Answer / abhilash

Operation theatre using life saving equipments,and even if
there is small leakage, the circuit will trips off and if
it happends during a major operation, it should not be
happen.

Answer / 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

how to calculate the ac and dc wire losses with calculations plz tell me

3 Answers   Apollo,

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We have 750KVA DG set, we want to introduce REF relay with 1250/1A,CL PS,Current transformers.The lead distance of 2.5mm copper flexible cable from CT to relay is around 5mtrs.We would like to know the knee point votage(VK) & IM calculion for CT's

0 Answers  

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What are the types of transformers according to the arrangement of iron cores?

0 Answers  

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What is Long rod insulator and it's applications..? merits over the disc insulator ..?

0 Answers  

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what material is used in capaciter

0 Answers  

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how to check capacitor in general

1 Answers  

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what is the difference between servo voltage stabilizer and general voltage stabilizer?

1 Answers  

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how to calculate the change over time for star delta starter for different KW motor?

0 Answers  

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for ac networks if the voltage wave form is V=Vm sinwt here the voltage Vm=230 for the frequency 50hz then the time period is 0.02 sec then for the time period 0.12 sec what is the voltage

4 Answers  

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which type of motor is suitable for water pump?

1 Answers   IIM,

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differentional compound gernater used for wielding porpose. why????????//

2 Answers  

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what is the difference between AC choke (inductor) and DC choke (inductor), working and design point of view?

2 Answers   Electrotherm,

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