Answer Posted / manoj

when field circuit is open sudden high torque wii develop
due to this as speed is directly proportional to speed
motor runs very fastly than its rated speed

Why do we mostly prefer to generate and distribute electricity in 3 phase and not in 4 phase or 5 phase?

1163

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how we find transformer capacity by ohm

2134

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What are the advantages of a three-phase system over a single-phase system?

1058

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WHAT IS VCB SAFETY

1187

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Which type of air compressor is used now a days in the market. Keeping in mind of energy efficiency and maintenance points. Relevant documents may also be sent on mentioned email ids.

1621

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What is the purpose of stablization resistor in high impedance bus bar protection

1946

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i need list of swg(standard wire guage) or area of conductor v/s current carrying capacity of conductor copper & alluminium...

1768

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What will happend if given Vfd out put to step up transformer

1752

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what is (+) and (-) in generator field detector stand for?

1781

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What fomula is used to calculate: 1. rated frequency withstand voltage, and 2. rated lightning impulse withstand voltage.

1662

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Can you explain about TEE protection scheme?

2218

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What happens if the Capacitive Voltage Transformer Primary neutral is not earthed. There is a CVT between Transformer and source, and the CVT neutral of the transformer is not earthed, does it effect the transformer while charging or does it effect the transformer charging process.

4201

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What are the types of class b amplifier?

1042

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If I want to lift the water at a height 50m from ground level through two inch(diameter) metal pipe then what is the capacity of motor pump is required? is it possible in single phase supply or not?

1844

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Which type of a.c motor is used in the fan (ceiling fan, exhaust fan, pedestal fan, bracket fan etc) which are find in the houses ?

982

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