Answer / gursharanjit singh dhunna

Solid state devices are used in Inverters, UPS , Fan
regulators etc

Stepwise process of Northern grid failure in 2012!? (dont copy paste from wikipedia)

1 Answers   Rashtriya Ispat Nigam Limited RINL,

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Difference between induction motor and synchronous motor? i Think Synchronous motors operate at synchronous speed (RPM=120f/p) while induction motors operate at less than synchronous speed (RPM=120f/p – slip). Slip is nearly zero at zero load torque and increases as load torque increases am a right pls guide & send Other Comments

5 Answers   Jindal,

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How magnetic balance test of single phase transformer is done,Especially in ESP transformer rectifier set.

2 Answers   Bhel,

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WHY WE NEED AUTO TRANSFORMER,WHERE WE CAN USE?

5 Answers   L&T,

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which have higher efficiency transformer or induction moter

8 Answers   BARC,

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whats happen if we disconnect the NGR of alternator in running condition?. Generally we observed that transformer netrul is directly grounded but alternator connected with NGR, then ground?

1 Answers  

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the minimum clearance b/w ceiling and plane of leaf of ceilng fan shall be ..........mm

1 Answers  

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what should be the resistance between two winding. Let 10 kw motor

3 Answers  

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if we increase the frequency given to a transformer then wat will happen to the transformer size, whether it will increase?

4 Answers  

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What is the difference between earthed & unearthed system?

2 Answers   HCL,

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Can i connect all earth pits in ring system..., And wat IS 3043 says...please help me

1 Answers  

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What are the weight of 800KV DA,DB and DC type tower ?

0 Answers   L&T,

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