Answer / k.prakashchandra

Then you will have 3 core T/R i.e. single primary and 3
secondaries of the same phase

What is the difference between relays and contactor construction wise?

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CAN 50Hz transformer work at 60 Hz power supply? if yes how it is possible?

2 Answers  

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Define ampere

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Please let me know when replacing electromechanical Relays for protection of generators with sr489 multilin Relay, then there is no need to use 86 master trip relay Too. I am wondering this multilin relay has no contact to Stop breaker reclosing as 86 does

1 Answers   Neucel,

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what is floating charger and boosting charger?

4 Answers  

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what is the formula for 3 phase motor starting cureent deatials 3phase 148A delta 415v, efficiancy 94% can we run the motor with 200A incoming supply

2 Answers  

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what is the benefit of floating our DC source? if i have two floating DC source of which 1 has a ref voltage of -21VDC and the other of -18VDC. can it be connected in parallel to share a common ref voltage? if not, how do i make both sources to be of common ref voltage? tks

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Which type of DC generator is used for electric welding purposes and why?

1 Answers  

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In dc motor starter there is less voltage required for holding contactor that's may why it is called no volt coil. but in ac starter why holding contactor is called no volt coil.

2 Answers   JSW,

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state the construction of incondenscent lamp?

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How many gap between finger contact in a.c.b. and v.cb.?

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what is the working principle of DC generator ?

10 Answers   DRDL, HCL,

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