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AC SUPPLY HAVING 230 V FREQUENCY REDUCED ZERO IF MEN TACUCHES THE SUPPLY WEATHER HE GETS SHOCK OR NOT?
8 10097what is the difference in using the 125% and the 250% factor of safety in calculating circuit breakers capacity for motors,which is more reliable to use the 125% or 250%??
1 4482sir , what happen if we decrease ( approx 3 inch ) the lenth of shaft in 110KW Induction , three phase motor. actually a 110KW motor is couppled with star couplling to 120TR compressor. When we doing maintenance in compressor it is required to skid the motor backword and resulting dis- alightnment . so we want to change the tyre coupling in place of existing coupling. so it is required to cut off the rotor aprox 3 inch form driving side.
2 4219The following equipment are installed ia a plant 1. 110KW Induction motor 4 Nos 2. 30 HP motor 3 Nos 3 15 HP Motor 3 Nos 4 7.5 HP motor 4 Nos what is total load of plant if one of each is stand by.
3 5603What are capacitive,resistive,inductive surge absorbation? What is ferranti surge absorber? What is lagrangian cost? What is Px operator?
1968Post New Electrical Engineering Questions
working principles of cf lamp,incandescentlamp and f lamp?
we have a 2.5hp Starite electric motor water pump,the elec motor burned out,we need to replace starting capacitor(old capacitor specs erased),what microfarad rating capacitor do we need? 110-125V
there are cam operated switches - why we call cam operated , What is cam ?
how to calculate the mesh earth network resistance in such substation, is there any recommended resistance values with references , thanks!
in dc suppy frequency is zero why? if dc frequency is zero how to exist dc transients and ac transients
what is the difference between circular wdg & ractangular wdg?
I completed my BE EEE degree 2006 .... which license should i apply .... ?????
am commissioning the trafo without connecting the neutral therefore unbalance will occur what is the alternative solution for this?
Dear Respected sir how to test ABB REX521 protection relay by relay tester.
what is earth fault relay 64T, why it is used in main Incomer and neutral CT of Transformer.
in star-delta tranformer,if the input of star connection is 400/7v 3 kva then what is the output of delta connection?
how to maintain frenquncy with syncronising sub-station for distribution
what is the difference between earthing and unearth
What is the dependency of stiffness on load angle??
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 ?
