Answer Posted / sanjay d. dabli

Yes, we can use.

Suppose a 3 phase, 2 pole, 440V induction motor is driving a flywheel of 600mm diameter, 150kg mass. By using v-belt and pulley, the speed is increased to 4500 RPM. What will be the effect on motor current?

1345

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if we give 60 hz single phase supply to the transformer used in europe , than what will happen

1887

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Metal covered multiconductor cables shall employ a marker tape located within the cable running for its complete length in lieu of cable surface marking. Is it true or false?

2200

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how to find the Motor,s insulation Power?

1679

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Power factor =1.000 at factory in supply. However, PF = 0.8 at motor end. Current = 100 Amp, Voltage = 400 V. What is the power distribution loss? Can I reduce it by adding capacitor at the load feeder?

1998

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how solar power plant energy meter multiplication factor

2032

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Why armature rheostat is kept in maximum position?

1053

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If not into production, how far did you follow the design and why did not you see it into production?

2116

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Why current shoots up in the secondary on the knee point voltage during saturation test of CT? How core saturation effects the secondary current (while the primary side is open)? What the logic behind this?

1953

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Define characteristics impedance?

1071

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what will happen if ac and dc supplies given

2081

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how we can calculate the efficiency of a diesel generator ?

1631

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How to select a contactor? How many types of contactors are available

3206

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how to calculate the earth fault current

2461

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What are the different types of transformers?

1088

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