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Answer Posted / amjad
Transformer doesnot have ROTATARY PART..
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at work we have a 3 phase motor but on testing one phase isnt getting a reading. it runs 24 hours a day all week. stops and starts well no noise or heating. the phase isnt down to earth.is it just a bad meter reading or not? phases one and three came up with a resistance reading of 0.4 but phase 2 couldnt get anything shows up as open circuit.
What is the basis for selecting Vk/2 or Vk/4 for REF and Differential protection of Transformer and What is the significance of magnetising current
what is the difference b/w ATS and HTS?
what are the specifications we must look at to select a relay for any capacity motor?
we use 400/5A ct and 35/roor3KV,/0.1/root3KV,0.1/root3KV pt ratio. What is the multiple factor of this meter.
how we control automatic generator i'e with to supply (main supply and local generator) when the main supply was break to supply the local supply automatically to begin supplying power.I now this control circuit is the combination of contactor time delay contactor switch and overload relay .but my question is how we combine those component thank you
Why is remote backup preferred to local backup?
can u give me a brief idea about power line carrier communication ??
When and where resistance earthing is used ? How to calculate the time constant for earth fault
What type of wiring series or parallel is used for conventional and addressable type FAS & why?
what do you mean by every IC 74 first digit.why are you using this no.why not using another no.
what is Fault level? why it is calculated? how will u decide same for our plant?
how to calculate the earth fault current
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What are the necessary components of the feedback control system?
