Answer Posted / tapiwanashe

because the torque is only developed when the synchronous motor is running at the speed of magnetic flux , therefore, the motor needs some type of device such as damper winding to bring the rotor to synchronous speed

what is laser diodes?

1214

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exolain the star delta connection

2726

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On what cycle does thermal power plant operate?

1215

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I COMPLITED MY B.TECH AND 10TH CLASS WITH 70%MARKS BUT 12TH CLASS 55%MARKS..CAN I GET INDIAN RAILWAY RECUREMENT EXAMINATION?

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Hi My dear all Friends, There is a question regarding HVAC Engineering and widely used in Power Projects. Question- What is the diffrence Between REF, SEF and Differential Protection....???? Where REF - Restricted Earth Fault SEF - Senstive Earth Fault.

2233

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What is servo motor and what are different types of servo motor

2470

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How is efficiency of DG set calculated? At many places I found the efficiency to be mentioned in percentage. But at some other places I found kWH/ litres. I want to know how dimensionless percentage value is arrived at?

1980

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The D.C. spark test is applicable to single conductor cable & assemblies of insulated single conductor cables without insulation shield,metallic sheath or metalic armor?

1907

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How to select HT/MV cable size ?

2519

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what is the difference b/w ATS and HTS?

2242

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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)?

2206

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how to minimize earth resistance upto 2Ω, if the resistance is 6 Ω ?

1885

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what is meant by power and distribution transformer ?

2057

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How to prepare electrical preventive maintenance plan & shedule of machine tools in manufacturing unit.

2234

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from where the self excitrd induction generator get the power?why is the voltage regulation is poor of seig?

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