Answer Posted / s

function of contactor is to make or break circuit

what is the use of commutator in dc motor if we supply ac ? commutator is used to convert ac to dc.and it is used to arrange the flux in unidirectional in case of dc supply. if we give ac as supply to dc motor what is the use of commutator?

2095

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In a flange coupling, the flange bolts are designed for

1132

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Do inductive loads have distorted current waveforms ?

1957

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What is the distance between each insulator in 33kv transformer and how can it calculate

2200

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how we calculate torque ? how we improve it ?where torque will either motor or generator ?

2073

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Type of motor stater detail and working detail

1668

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Pls Breifly explain about UPS (Inverter,Reserve,Rectifier,Float voltage,Boost voltage).

2796

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i want to know that how the height of Ct ,cvt ,LA calculated on the basis of creepage distance

2625

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How to do cable sizing calculation for 750 A Neutral Earthing resistor for 33kv. the 33kv cable going to swbd. is 630mm2 3 runs.

4778

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What is force on a conductor in a magnetic field ?

1096

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what is the size of ht cable of 33kv ht line and transformers ratings are 1 Mva and 5mva.please send formula also.

1468

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What is shunt voltage and u v voltage witch one best

1734

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WHAT IS DIFFERENCE BETWEEN CAPACITOR AND CAPACITANCE?

2049

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What if high voltage side circuit breaker of a ehv transformer instead of lvcb? Kindly elaborate.

1762

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5- What is the task (function) of the excitation and isolation transformers in power plant? 6- What is the task (function) of LCI (A), LCI (B) and LCI (COS) in power plant? : LCI (A) and LCI(B) are load commutating inverter for generator turbine starting. , LCI (COS) is load commutating inverter change over switch

3825

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