how we test a 3 phase motor on single phase supply....? HOW WE RUN A 3 PHASE MOTOR ON SNIGLE PHASE. supply for testing..? how we verify of a 3 phase motors 6 wire & name thame a1/a2/a3..b1/b2/b3 and c1/c2/c3 for connecting star delta starter ........i have only 1 phase supply ? help forum..........

5287

Why we use ups battery and dsdb battery in thermal power plant

2149

how does grading rings & spacers in transmission line works? Working Principle?

2148

How do we calculate over and under frequency tolerance from generator data?

1672

which motor have relatively high power factor and what is reason for have high pf? 1.capacitor run motor 2.shaded pole motor 3.capacitor start motor 4.split phase motor

2055

1.why are not using acb 33kv ht side? is there any problem 2.what is difference between acb,vcb,sf6 breackers? 3.what is the function of invertor and convertor in ups?

2226

Define resonant peak?

1217

What is the one main difference between ups & inverter ? And electrical engineering & electronics engineering ?

1184

How the annunciator works ? How to do its wiring

2349

what is ATS & RING MAIN UNIT in Distribution System?And its Function.

2058

Dear sir, In our plant have Station Transformer having capacity,i want to know, why LV side 40 - 40MVA is given? & how we can get 6.3 KV supply from tertiary(i.e. Open delta connection), Vector Group YNyn0 - yn0 +d MVA Rating 80MVA / 40 - 40MVA + 26.7MVA Voltage rating 420 (Tap range +6,to -10)81.25% /11.5KV - 11.5KV +6.3KV

2226

why single CT used in DOL starter power circuit?

2585

what is formula for zero phase sequence of nuetal earthing transformer of 6.6 kv

2350

why zero sequence impedance measurement is not applicable for single phase GT

2251

Brushes are placed at magnetically neutral axis,when brushes reach that point,the armature conductor gets shorted,but it can be seen that the dc supply is also shorted,wont that get damage? help me plz

2360