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How vaccum is formed to create a vaccum interrupter or
anything related with vaccum?
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Answer Posted / louis
Does high torque dc motor can use one SCR one silicon control to operator windless system or top-drive
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I want to know the 'Test voltage' for Tandelta testing of 3.3 / 6.6 / 11 KV Motors. Please explain
HOW TO CALCULATE THE HEAT AND LOAD OF LT-SUBSTATION WHICH CONTAINS 2*1MVA TRANSFORMERS,LT-SWITCH BOARD,MLDB,ACB,BUSBAR,ETC,......?
What is the rating of a circuit breaker needed for 300 kv load in 33KV supply line of 33/415 transformer ? Whether 800/1200 amp vaccum circuit breaker can perform for a 33 KV line in input in 415 volt in output of the transformer ?
Is there a diode made that works with AC 120 volt 20 amp? If so can it completely stop all current flow in 1 direction at all times?
Briefly describe means used by electricity suppliers to influence the flow of active and reactive power in power networks (one for each type)?
What is the tipical Online UPS input voltage for 20 KVA load ( 3 Phase or 1 Phase )? Why ? Explain it...?
why we use sinosidal voltage / current instead of others in system?
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describe the phenomena of vacuum interruption in C.B
Why do we mostly prefer to generate and distribute electricity in 3 phase and not in 4 phase or 5 phase?
How to do cable earhing? whether by grounding Armour to ground or by running extra G.I wire along with cable? which one is preferred mostly amoung them? If the second one is more preferable how many GI wires to be run along with cable (1 or 2)?
how to find motors H.P. whout any rating? (only give you a motor and multimeter)
How to decide whether A / B / C / D curve type MCB should be used?
How do you select the pickup value of the relay?
Can any one provide the inspection procedure of MIMIC for VFD panel? Details: If someone wants to have a mimic in the VFD panel what are inputs considered for the mimic(like on,off,trip) whether we are able to add speed variation in the mimic(if so how can we get) and what are the parameters to be checked in the MIMIC during inspection?
