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what is the safety of ACB & VCB and how can this work and how can the service the ACB & VCB parts name with picture
ABB, ACB, Bharti, Claris Lifesciences, Honda, L&T, RotoPower, Sterling Wilson, Wipro,
21 100711details of oil cell size of Breakdown voltage test of tranformer oil details as per Standardswith mushroom electrodes?
1885Sir We have a REF relay connected to 10MVA(Y-Y) Transformer.on External earth fault REF relay trips along with earth fault relay.The REF relay has no complant as we tested relay.Why is it happening?
KSEB,
3 6672how can we measure rotor current of a 3phase wound rotor induction motor connected to liquid resistance starter
1 3456explain with the help of loading capability curve,reactive power generation and absorption from synchronous generator?
2217I want to replace the 3 KW DC motor with AC motor so what should be the rating of AC motor? Details Of DC motor to be changed with AC are - Kw - 3, Vf - 310, If - 0.15, Va - 400, Ia - 13, RPM - 2400
1817in a simple IDMT relay we use neutral point of ct for earth fault then what is the requirement of neutral ct and cbct?
2164What the difference between three phase contactor (coil 110vac) & three phase SSR (control voltage 110Vac)? May I use contactor in place of SSR?
2162if we run a 3 phase machine on two phase what will happend??? given answer with solid reason please
Bhel,
2093I am an electrical engg and has got selected in wipro should i go there now or try in some core company ?
3 4874Post New Electrical Engineering Questions
Name the types of motors used in vacuum cleaners, phonographic appliances, vending machines,refrigerators, rolling mills, lathes, power factor improvement and cranes.
what are the major & minor faults that occur in an inverter and in UPS ? And how to repair and resolve them ?
how to calculate the earth mat design in 132 kv substation yard ????
What is ramp signal?
Do closed loops systems require manual input?
how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?
What is installed in PAC that is control the humidity
diff.between servo motor and ac motor
what is the differation bewreen kwh & fundamental kwh in electronic trivector meters
what about electrical pannel.? What is meant by plc pannel.?
1.ZEBRA conductor(large size) 2.KUNDHA conductor( small size ) 3.panther conductor(very small ) 4.lepard conductor (very very small)
i need the curve duty cycle and amper for (150 kva @50% dyty cycle) transformer turn ratio :19 and vin 400
how to get electrical supervisor competency certificate in gujarat. i did 3 year diploma in electrical
in 6.6 kv vaccum circuit breaker vaccum bottole vaccum capacity ????
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
