Answer Posted / anupam

In 3 phase system..if motor miss one phase..then motor will burn..so spp is used for the safety for motor..if one phase is missed..then the system will tripped or disconnected.. So motor will not burn..

in battery charging room we find two fuses (one in positive other in negative cables ).why it is so?one fuse is ore than sufficient?

2200

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what is method for testing CT

2091

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What is the theoretical reason for the size of a zig zag grounding transformer to be 1.732 times less than that of a wye-delta grounding transformer used for the same application?

2217

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Please explain the following and how these are working with PLC unit 1.I/O Module 2.I/O Device 3.Adaptor Card 4.Ribbon Adaptor 5.RS 485-FC

1547

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Pleae send me last 5 years of Question book about RRB chennai.

2232

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two way ckt diagram can be drawn by how many ways? give diagram

1722

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What are the parts in a inverter?

2035

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What is a dc motor?

1105

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How should i design a 1ph & 3 ph transformer. Kindly let meknow all steps and formulaes related to design from scratch.

1992

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Define open loop control system.

1057

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Why does the radius of armature is less than the radius of pole shoe?

2106

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could you measure current in parallel?

1047

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any body,pls tell me how to done relay coordination ? how to coordinate by TCC curve?how to read the tcc curve?

2081

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how to find ratio of CT & PT in 66/11kv 12 mva supply system ? explain with calculation.

2346

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my b-tech percentage is 50%. what answer will satisfy the hr ?

2045

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