Answer Posted / sadhitha

Rectifier converts ac to fixed dc using diode (uncontrolled
device)but converter converts ac to variable dc using diode
along with thyristor(controlled device).

Why L.T.Cable voltage rating is 1.1kV,where as system voltage is 0.415kV?

2349

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What will be the effect of circulating current in HT xlpe cable when both the armour ends are grounded. Will the termination fils after some time in case of 33 kv supply.

2068

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why the starting voltage drop in a cable needs to be limited?what is percentage of the voltage drop allowed during starting?

1819

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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

1922

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what is W.T?specify the acceptable range?

1965

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what is the difference b/w pvc cu conductor and cu breaded wire..?

3570

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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?

2089

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In siemens S7-300 PLC, what is function and function block ? What is the difference between them ? When to use function and when to use function block ?

2097

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What is the difference between AC and DC injection methods for rotor earth fault protection

2229

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How to use computer cpu ups use for home inverter circuit board

1788

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Explain the experiment on ward leonard method of a speed control on a dc shunt motor with an suitable circuit diagram.

2591

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Earth leakage relay basic knowledge principle

2185

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How to measure the Harmonic Distortion of UPS ie THD?

2355

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A parallel flow heat exchanger will perform better than a counter flow heat exchanger. State if the statement is true or false.

1257

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What is a Phase shift meter? Where can I get one?

2241

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