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in Contactor opearation Why there is a difference in the values of the operate and release voltage in case AC supply
2167hi frienda We have 750kva cater pillet dg set we are fasing one diffrent proublam in dg we are start dg set after one mint applying load around 450a load but dg was run 3 Or 4 mints after 3 mints dg was shuding down automatic how to face this proublam pls tel any budy
1 3417what is the function of anti pumping relays? what is KVAR? How it is generated in alternator? What is 3rd Harmonics? What is IDMT relay?
2363What will be the change in its efficiency and other parameters of a ONAN transformer if it changed to ONAF transformer ?
3 5426What is a Single Phase and Three phase Power? How it will be converted or transformed into another form?
3 8666Post New Electrical Engineering Questions
In a large office how do we calculate required number of light fittings, assuming fittings are 4x18W or 2x36W fluorescent fitting ?
What are the types of control system?
How to decide DO set rating of Transformer?
if any house we instaled a 1.5 ton ac and its phase cable of wiring is installed but netrual cable of wiring not instaed. my question is that is neutual of house(for other wiring is capable for ac load or a sepeart neutrual wiring required
How can we find out LT UG cable fault (size,from-4*25mm sqr to 4*300mm sqr)? How mani types UG cable faults?
what could be the RMS value and average value of a 4 phase sine wave?
how we calculate the dick for a pole?
How to check the LM324 Ic
how invertor convert the dc into ac give brif detail
what are factors to be consider to design a HT & LT motor?
Is there any abbrevation for STUB in Stub bus protection
A 100W electric lamp is supplied from a 115V, 60HZ source. The peak instantaneous power dissipated in the lamp filament is
What is the difference between circuit breaker and isolator
what is through fault?
what is the main difference between power devices and signal devices
