Why 30kw 40 hp 4 pole 3ph induction motor over heated?any steps on reduction in heat?

1635

What is the complete procedure of erection of electrical panel in industry

1827

Phase control and integral control are used for?

2280

What is effect of harmonic current (Draw by VFD) on power system/ electrical Equipments ?

2036

what are the reasons of CT circuit faulty in busbar protection scheme?

1442

Is neutral transformer can be called as control transformer?

1941

How to run a three phase motor into single phase........

1974

number of I/O devices in siemense plc

2105

What are the main advantages of generalized error co-efficients?

1135

delta motor winding resistance I take normally single winding is 2.5, which value is came delta connection ie RY ?

1972

Dear sir, my knowledge about cable size determination is limited. Though I read examples I could not calculate the Cable size required for electric driven pump 40 KW, 380 Volt, 50 HZ, 50 meter from transformer and it is three phase star delta starting. Please help as there is no one in my surroundings to help.

1717

In a voltage-controlled current source A A current booster is never used B The load is always floated C A stiff current source drives the load D The load current equals Isc

1857

How to calculate energy stored in a capacitance

1126

Why in metering Ct for ammeters ct secondary side is grounded for each Ct but not in case of CBCT (Core balance current transformer)..kindly some1 highlights the reason..is it because net flux is zero?

1397

what transformer we used normally and upto which kva?

1912