Answer / ssnslm

there may be a possibility of sparking b/w slip ring and
brushes that will damage both.

Answer / rajendra sadaphale

if brushes are loose then it create sparking between
commutator and brushes and if it get tight there is
friction bitween them and reduce there speed.

Answer / kalimuddin

if itis loose then create spark b/n slip ring and if it is
tigth (heavily) then there is the possiblity of the damage
of the slip rings due to friction

Answer / sanjiv

If loose it will craate spark. If it is tighte it is
requirement only

Answer / vijay parekh

ti ensure pressure of all springs are even or equal load use our instrument to checking spring load instrument brush force meter m50 info@rishikesh.com this will save from damadging the brush and overloading
vijay parekh
www.rishikesh.com

What will be the effect of in HT XLPE 220 KV cable when one side of the Armour/cable ends are not grounded. Will there is difference between 3-phase voltages? like: if A. Both End of Cable grounded Phase Voltages:- V1=219 KV, v2=220 Kv, v3=220 KV. B. One End is grounded other is not: than Impact on Phase Voltages:- V1= KV, v2= Kv, v3= KV. Remain same or unchanged??

3 Answers   Jamshoro,

dear friends plz send link about reluctance & universal motor .thank u

4 Answers  

How to calculate the Sizes of the cable required for one specific load? Is there any formula for that? ( EX: For 400KW load,50mtr Length, What is the LT cable Size required?)

2 Answers   Texmo,

Why CTs are connected in star on T/F delta connected winding side & in delta on T/F star connected winding side for T/F differential protection?

2 Answers  

what is the ranje of HT cabel and LT Cabel.

1 Answers   Sail,

1. What kVA rating is required for a transformer that must handle a maximum load current of 8 A with a secondary voltage of 2 kV?

3 Answers   BCPL,

What are disadvantages of capacitor

1 Answers  

WHAT R THE SAFETIES IN A HIGH TENSION PANEL N LOW TENSION PANEL. ALSO WAT SAFETIES R THERE IN A 200 KVA TRANSFORMER?

0 Answers  

Transmission voltage is kept 11KV,33KV,66KV,132KV,220KV due to form factor. What happen to 400KV and 765KV transmission voltage?

0 Answers  

differnce between single acting and double acting solenoid valves

0 Answers  

Why we use Fuse in transformer in secondary side.Why we dont use fuse in primary side?

1 Answers   Care,

when a hand crancked meggar is used to check most three phase induction motors, how many tests r rquired? Why?

1 Answers