Electric Machines Daily Quiz #31

Zero  regulation occurs  at  pf  = 

What value of voltage regulation is normally preferred? 

The statement  “the flux that  is  in  the air  is  always  the leakage  flux”  is- 

The technique which does NOT  reduce  voltage  regulation-  

1. Splitting  wdgs  into  LV &  HV

2.  Concentric wdgs  

3. Sandwiched wdgs  

4. Wdg  insulation 

Voltage  regulation of  a Power  Transformer  __________  that  of  Distribution  Transformer.

1. Must  be equal to  

2. Can  be more  than

3. Must  be zero  similar  to  

4. None of  the above