Answer / sa

It is a protection to provide upper safe limit of current
i.e. genrally 110%.

Answer / erharisheee51

means protection from over load or short circuit protection.
current exceeds when short circuit and load increases. to
protect from that we have to ensure the relayy like over
load relay.

Answer / manjifera

the protection when current exceeds.

how many ampere Maxmium load given on a 10 kva DG set?

3 Answers  

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Capacitor bank require for 1000amp load

2 Answers   Biodeal, Pharmaceutical,

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what is the tolerance for the magnetic balance test conducted on the distribution transformer?

0 Answers  

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What is the purpose of Rotor earth fault relay and How to test the Rotor earth fault relay in generators and What is the procedure?.

1 Answers  

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List the characteristics of filter?

0 Answers  

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why transformer measures in kva

4 Answers  

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my 10 hp submersible pump is tripping when connected through ELCB.I have checked the megger value of the coil's with body.It was found to be 0.2mega ohm.that is leakage is there.But when connected to mccb it is not tripping.no leakage current in the motor.Is it safe to connect to mccb? what are the problem's will arise if future?also tell me in ELCB no neutral is connected to motor.than how ELCB was working?

1 Answers  

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why 2 phase is used in argc furnace? why 6 phase is used in converting machinery?

1 Answers  

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What is differential relay ? where it can be used?

1 Answers   Scope International,

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how the direction of rotation in a dc shunt motor could be reversed?

2 Answers  

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Voltage drop is the:(a) Maximum potential(b) Difference in potential between two points(c) Voltage at the end of a circuit(d) Voltage produced by a source

3 Answers  

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what is the chemical name for oil that used in the transformer

2 Answers   NCC,

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