what is the difference between real and reactive power? and what is the importance of these3 5074
PLZ EXPLAIN THE INTERLOCKING AND CONTROLLING OF CONTACTORS????HOW CAN I DO THAT?2 5144
What is OLTC in transformers and what is its function?4 5783
Is there any thumb rule for cable selection for any current rating ?1 4564
a room heater is connected in serise with a 100w bulb.if the 100w bulb is replaced by a 40w bulb then the output of the heater is increase/decrease/remain same?9 22498
What is difference between start imitation and start interlock for 3 phase motor protection ?1630
what is the principle of generator, motor, and transformer and explain the definiton of flemings left hand rule , right hand rule and ohms law
What are the reasons for AVR failure in LT DGsets ?2 6378
Why breakers not synchronized when the synchroscope is going in the anticlockwise direction?2 4169
why phase to phase voltage is 400v while phase to neutral is 220v?1 5725
How many earthing pits are requier to disapper the surge current of one lighting arrester.3 3557
Is it necessary to place tap changer in secondary winding or we can use on both sides?3 3969
What are the disadvantges of leading power factor5 5685
Is it possible to operate a synchronous 2-poles turbogenerator with a still-in-place faulted bar but electrically disconnected ???? If yes, should I act on the other phases as well ???
How many types of faults are there in 3 phase power system?
Why is ignitor used in sodium vapour lamp
What is an 86-P or an 86-A trip
what is the current setting for different relay protection for transformer .
how to decide no of electrodes for 1600A LT Main incomer panel
What is dynamo?How it works and what is the function of dynamo in a DG.
checking procedure of capacitor based motors.used in fans etc?
what is the constructional difference between a power transformer and potentian transformer?
Do closed loop systems require manual input?
what is the criterion for selecting vector group of Transformers ? i mean how to decide vector group of Generator transformer, substation trasformer and transformer at consumer end
What is clock position of Transformer?what are the clock positions are there?and what is different of them?
What is the minimum value of hfe for the oscillations in transistorized rc phase shift oscillator?
tell me some type of questions throught which i can prepare for exam and do my best
what is conductor copnstant of ab cable