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Delhi
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1.what is difference in maintain Hz again Hz in USA ? 2.how to calculate the battery AH? 3.why are yearly maintained in transformer how many tests in required?
I just purchased a 4 position cam switch to be used to operate a 3-speed blower motor. The motor is a 10 amp motor and has 3 wires that are used to control speed. The cam switch was rated at 660V 20 amps but when I received it, I noticed that it has AC-15 operational current rating (Ie) of 4/5 amps. If I am reading the label correctly. the 4/5 amps is related to 440v/220V (Ue). Other ratings are AC-3: 5.5A, AC2: 7.5A and AC-4: 1.5A. My questions are 1) Is it safe to use this switch with the motor I have 2) what is the difference between the 20 amp Ith ratting and the Ie operational ratings?
WHAT IS MEANT BY DERATING OF THYRISTOR?
Control cables in S's will carry 1000v which is AC R DC? Pls answer me
it is possible to measurement of tension of slipring induction motor(SRIM)carbon brushes, any maesuring instruments are available in the markets.
what is the minimum pay scale for electrical engineer (building construction)in kuwait? plz revert back with yrs of experience & pay scale respectively.
what is meant by power and distribution transformer ?
How do i perform grounding of star point of Genset (400V) for making connection with step up transformer of DELTA-DELTA (400V to 20KV) ? while Genset itself has its own neutral and grounding bus bar inside genset breaker box whereas we have another neutral and grounding busbar in synchronizing panel next to genset at maximum distance of 6meter, would someone pls advice if we can only perform neutral grounding in synchronizing panel or should we ground neutral on both places inside genset breaker box and synchronizing panel.
Can anybody post questions asked in Engineers India Limited Interview? Thanks in advance.
What is the reason behind current flow(20 A) in amain earth cable of an SMDB? Is cuurent flow(45A etc) through a neutral cable acceptable?
acb(AIR CIRCUIT BREAKER)NOT CHARGING AUTO
Greeting to all members, How to calculate spill current when we have different ratio CT and Class for REF(Low Imp) I have 500/1A 5P20 @line side n 400/1A CL.X @ Neutral.
What is the selection process of breakers. Can any one please give a formulation on same?
Ac generato how produce power I need for camplet defination
Why earthing is necessary for any equipment?
