how to detect the presence of underground cable(while digging road)etc. -give the name of instrument
if step down transformer step down the voltage,will current will also be proportional step up. If yes then how transformer handle such a large current?4 6738
Why semi-conducting insulation is used in XLPE cables?1 3717
I have a 600VA UPS for computer only. It holds for 20minutes only. 1. Can it be upgraded for longer period.? 2. Can it be used for one ceiling fan and a tube light? If yes, how to upgrade?11 33178
what is the knee point voltage ? what is differtial rela? what is impedance and % of impedane? what is the postive phase sequance ? negative phase sequane ? and zero sequance impedance ? what is sortcircuit calculaion? why take calculation? define stabilty test ? why? what sentivity test? define merz protection ? what is the burden ? class 5p10, accracy, metering ct take knee point voltage test thet time what heppan why dont take knee point test to metering ct?1833
how can we change the rotating direction of single phase AC induction motors?12 72474
why C T secondary are rating 5A generaly .7 9083
why earth hole size is biggest in socket point.5 7012
If DG runing time Neutral earth connection Dissconect what will be the effect in load and equipments.3 6008
If DG runing time neutral is disconnected what will be the effect in Engine and Electricial panel.
Why is water motor not taking the pressure? what is the problem?
Why efficiency in thermal power plant is low?
derive DC RMS value for half wave rectifier?
What is Anemometer used to measure?
Why induction motor is widely used in industry
What is bridge rectifier and explain with details
What is making & breaking current ???
how can we make cable shedule for controll wiring ? which details must be required for it.?
What are the ratings of VCB, MCB, MCCB, SF6, ACB, and OCB?
Single phase and threephase power calculation
difference between power surge and switching transient
What is the formula to calculate the size of Aluminium and copper cable?
what is the prinsiple of dc motor and construction and working ,application of dc motor.
The windings of a transformer are divided into several coils, because?
From what on-site components does the HT panel monitoring the bus-bars in a 11kV system take inputs?