Answer / altaf tachi

Over current
Earthfault
Revers Power protection(if it synchronised with Bus)
Loss of excitation

Answer / amit bose

over current protection, earth fault protection, overload protection

Answer / raul

Over voltage, over current, over speed, reverse power, over flux, loss of excitation. These r d major protection required for a synchronous generator.

difference between synchronous reluctance motor and switched reluctance motor

1 Answers  

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In siemens S7-300 PLC, what is function and function block ? What is the difference between them ? When to use function and when to use function block ?

0 Answers  

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what is first ground fault & second ground fault. This is used in rotor protection of alternator.

1 Answers  

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Dear All, In a 400V power system, ratio of three current transformers installed incoming switchgear is 4000/1. Maximum three phases short circuit current of this system is 48kA. One CT is installed on neutral of upstream transformer (6/0.42kV, solidly earthed) for 51G protection. Would you please inform me about the correct CT ratio of this current transformer (on neutral)?? Thanks a million

2 Answers  

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when we connect the capacitor bank in series

2 Answers  

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What are the differences between single phase and three phase?

0 Answers   ABB, Essar,

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tell me the operation of ELCB. How it detects a fault?

4 Answers  

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what is the difference between rccb and elcb?

1 Answers  

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Can anyone tell me what will happen if AC & DC supply get mixed???

9 Answers  

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basic princple of induction and synchronous motor

1 Answers  

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how tto ingress mw in turbine explain.procedure ?

0 Answers   Power Grid,

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What is the following which is printed on electrical appratuses like AC21 ,AC 23 , etc ?

1 Answers  

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