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in most industies hormonics present up to some level. what is limit ? and there effect?
Bhel,
4 8144If the supply voltage is same (say 440V) whether a system designed for 60 Hz frequency will work with 50 Hz frequency or not , if so pl. give clarification.
ABB,
11 16755what is transformer
ABB, Advance Power Controls, CERC, Electrical, Electrical Supervisor Competency Certificate, ETA, IBM, Jindal,
63 82808In domestic supply, when neutral touches earth the earth leakage trips. Does this mean that if the star (neutral) point of an alternator is earthed that power will flow to earth i.e. a direct short to earth?
1 5948How one can check the faulty capacitor, diode when connected in the circuit ? and when you can not take them out ?
4 10637What is the Difference Between MCCB & ACB & VCB
Absotherm, Delton, Divine, JLL, Jyoti Ltd, Kirloskar, L&T, RPP, Siemens, TCL, TCS, Teekays, YSJ,
58 310793In a 3 phase squirrel cage induction motor why does rotor rotate? will 3 phase transformer rotate like a motor if it is placed on bearings and powered up? give reason
10 29019WHAT DRESS I SHOULD WEAR WHILE ATTENDING AN INTERVIEW? PLEASE SPECIFY THE STYLE AND COLOUR. CAN A LADY WEAR CHUDIDAR FOR AN INTERVIEW?
6 15173Post New Electrical Engineering Questions
DEAR SIR/MADAM,CLEARLY EXPLAIN ABOUT CRAWLING AND COGGING EFFECTS IN INDUCTION MOTOR.
sir plz send some previous year questions of jspl.
we have provided 30 nos. relay contacts in panel.I want to know how do we do the numbering for the relay contacts as per any applicable standards
Can anyone explain me about the RLC based Impulse high voltage generator and how to and operation of Series resonant High voltage reactor...?
How to calculate size of HT breaker with the help of Amp (current)? Please provide answers with examples.
raleigh method
what is there inside an inverter and how it works?
what are the standard IR values should be of R-E, Y-E, B-E, R-Y, Y-B, B-R of VCB in closed condition and in open condition for 500KVA & 1000KVA transformers. and what is the acceptable range when tested by 5000V megger.
How phase to phase voltage comes 440V.
Why do we need a separate control desk & PLC control panel in Boiler plant or coal handling plant? Can we provide cost effective Control desk cum PLC panel. Is there is an specific need for control desk.. kindly advice.
what a function diesel generetaor turbo charger & turbo charger is more heated explain reason ?
how i can calculate the size for fire cable
what is mean by NPS (Negative phase sequence)fault? what is the difference between EFR & OCR faults?
how maney type tempereture measurement ?
What is the source of dependent source ?
