to vary valtage from 0 - max a variac is necessary . so how to design for high power applications nearly about 200KW power
2032How you calculating the current for a 2.5 Sqmm cable. A 30 Hp 3 phase AC motor of power what size of cable is used for this motor.
7 24245What happens with squirrel induction machines if the ends of rotor conductors are kept open? Explain
5 7366How we can change the direction of rotation of Induction motor? Prove it using graphical methods.
4 7102Post New Electrical Engineering Questions
What is the operating principle of turbo-generator.
what is the differance between HT motors And LT MOTORS.
Write the analogous electrical elements in force voltage analogy for the elements of mechanical translational system.
How we can calculate the consumption in kwh of motor on basis of kw @100% load, @50% load & @ no load.
In 11/0.414 KV Parralel supply network with Bus tie closed what will be the fault level is it doubled or halved??
Please sent me some previous year question papers of BSNL-JTO telecom and RRB in ELectrical Engineering to varshashahi@yahoo.com
how is the magnetic current test is different in delta-star and delta delta transformer.
Earth leakage relay basic knowledge principle
In a voltage-controlled current source A A current booster is never used B The load is always floated C A stiff current source drives the load D The load current equals Isc
HOW TO CALCULATE CAPACITOR BANK OR HARMONIC FILTER CALCULATION
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?
one electromagnet is called
How to select, design,size & calculate for 11 KV/33KV/66KV/132KV/220 KV/440 KV circuit breaker for HT side of transformer protection/HT distribution protection?
What is the difference between isolators and electrical circuit breakers?
why industry prefer ht motor instead of lt motor.