what is the working of loss of excitation relay (40G)? how it is work?

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what phase and neutral.

3 Answers   HP,

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WHaT IS THE CONCEPT OF INDUCTION LAMPS IN MODERN LIGHTINGS, and HOW IT WORKS TO EMIT LIGHT ( AS NO ELECTRODES ARE PRESENT ) ?" COULD INDUCTION LAMPS CAUSE INTERFERENCE WITH COMUNICATIONS INTO A STORE USING INDUCTION LIGHTING ? WHAT IS THE BENEFIT OF USING THE LOW FREQENCY INDUCTION LAMP , VERSUS LED , AND VERSUS FLUORESCENT, AND VERSUS ANOTHER KIND OF LIGHTING . THANK yOU MOISES GUINDI

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quantizer means?

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in a refinery one motor is suddenly stoped. what will do how can i findout the problem explain step by step

2 Answers  

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what is the use of switch disconnector fuse

1 Answers  

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What is the minimum underground tank size capacity considered for firefighting purpose?

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a new 3ph induction motor doesn't rotates their ratted speed, why ?

2 Answers   Sail,

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Difference between megger test equipment and contact resistance meter test instruments?

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Is it necessary to place tap changer in secondary winding or we can use on both sides?

3 Answers  

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In Single Phase AC Supply,If Voltage between Phase and Neutral is 230V means what will be the Voltage between Phase and Earth?

2 Answers  

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What do you mean by a phase angel of instrument transformer?

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