What is the voltage b/w nutral and earth

11 Answers   Mind Space,

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what is the meaning of harmonic in AC waves and when which are prduce and what is the effects on line and give any other information about harmonics

1 Answers  

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when i am going to take trail on a 3ph sq.i/m motor 5.5kw, i observed that RPM of the motor is very low as compared to the rated RPM and also it rotates in clockwise in first ON command,and anticlock wise in second ON command. finally i observed that on phase is no available . but iam not clear about, why the motor is rotates in both directions without any phase interchanging.pls answer to my question.

1 Answers  

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i have 6oo kva dry type transformer and its neutral is not grounded even body of transformer ground i want to know it is safe or not ?

2 Answers  

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what is relay what is protection & contact multiplying relays where it is used function in brief

0 Answers  

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What is function of condenser in fan?

3 Answers  

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errection check list for transformer maintenance

0 Answers   RRB,

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Why we make earth connection with Transformer Body and What will be the minimum size of copper wire as per code with respect to KVA rating of Transformer?

0 Answers  

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Phase control and integral control are used for?

0 Answers   NPCIL,

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how to calculate bus-bar sizes? (copper bus-bars)

2 Answers  

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why output is out of phase in case of common emitter?

0 Answers  

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Which is the oldest hydropower plant in india?

0 Answers  

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