how squirrel cage & slip ring motor works? how they differ from each other

1 Answers  

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why the NGR (neutral grounding resistor) always OFF during DG off?

0 Answers   Bhel,

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What is converter transformer? Diff b/w converter transformer and distribution transformer? why we use converter transformer in place of giving supply to drives?

1 Answers  

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i have 400/230v transformer and didnt done the neutral eatrhing. i connected one lamp to one phase and neutral to the earth. but the lamp is not glowing. again i connected neutral to earth and repeated the same. then the lamp is glowing. in the first condition i tested with a line tester also, at that time the tesrer is glowing what is happening i dont know can any one help me?

1 Answers  

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what is meant by loss of field in a DC motor? how a universal motor works?

0 Answers  

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how to calculate the settings for shaft ct protn in hydro generators

0 Answers  

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if reactive power become zero in transmission system then what effect on system.???

3 Answers   Sedemac,

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If We are converting the SINGLE PHASE AC into THREE PHASE AC by using STATIC CONVERTERS , then How do we bring the frequency to 50 hz??

2 Answers  

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What will happen to the speed of synchronous machine subjected beyond the pull out torque? Are the behavior shown by rotor remains same for both the alternator and motor?

1 Answers  

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Difference between drift current and diffusion current?

0 Answers  

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Explain the process of commutation in a dc machine.

0 Answers  

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where can the transformer having vector group Yny0 be used??

0 Answers   GK Power, NEA, Petrotech,

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