how to detect the presence of underground cable(while digging road)etc. -give the name of instrument
NTPC,
7 11581if 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 8411I 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 37196what 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?
2280If DG runing time Neutral earth connection Dissconect what will be the effect in load and equipments.
3 7416If DG runing time neutral is disconnected what will be the effect in Engine and Electricial panel.
HP,
2 5472Post New Electrical Engineering Questions
During Starter Panel Com missing I Found The Main Incomer 40Amp MCB 10KA Trip When Motor Change Star To Delta Motor Rating 20HP BUT When We Use Same MCB To Other Motor It Does Not trip Or What Is Necessaries for Star Delta Starter MCB SFU MPCB OR MCCB And What are The Breaking Capacity of MCCB in the Motor above 15HP
formula for calculation of switchgears(i.e. contactor, fuse, cb, relay etc.), if load current is given?
what kn of disc is used in 33kv,132kv,220kv,400kv,800kv transmission line
describe the constructional features of an auto transformer and its principle operation
can anyone send me some sample question regarding power grid corp
How to calculate multiplying factor of dc energy meter
How to calculate the fuse rating depend upon the DC circuit?
what is a types of short circuit and what is a types of distance protection tests
sir i want previous entrance exam papers for written test
I am having dual speed motor of cromton greaves make of 3.7 KW -1400 rpm and 5 KW - 900 rpm. Please let me know groups and winding connction for rewinding purpose.
How many VSC based HVDC are there in India and the world
what happen if generator of micro hydro running at only a small percentage of its capacity, as a comparison, if the diesel generator that runs on only a fraction of its capacity there will be a wet stacking
How do i right a ladder diagram that has 1 actuator that performs a full stroke followed by a half stroke
How stabilizer works??
What are the advantages of instrument transformer?