Answer / jayaram

Incase of generator alternating current into unidrectional
current(dc).
Incase of motor direct current converts to alternating
current

Answer / jashmin

Incase of generator alternating current into unidrectional
current(dc) and incase of motor direct current converts to
alternating current with providing low resistance path so
that spark less communication is possible.

Answer / vihar

Commutator is mainly used for making the uni-direction flow of Current in the DC Motor....

and secondly used for current collecting device to collect the current from the Armature...

Answer / sandeep bose

The function of commutator is to convert the alternating
current produced in a DC generator armature into
unidirectional current.

Answer / rajiv pandey

Incase of motor commutator is working principle of
electrical energy convert to meachnical energy.& case of
Generator working as a meachnical energy convert to
electrical energy.

Answer / mahesh

Incase of motor commutator is working principle of
electrical energy convert to meachnical energy.& case of
Generator working as a meachnical energy convert to
electrical energy.

Can anyone explain me the operating principle of the megger tester?( I just know that its diflection relates with the ratio of currents of control & diflecting coil. I need more information as breif as possible)

1 Answers   TCS,

Draw a 230kv two-bus bar system showing the following. 1.Two generators (150MW) each connected through one 15.75/230KV transformers 2. 1 outgoing lines 3. Two 230/130 KV transformers 4. BUS PT's 5. CT

0 Answers  

how to calculate distance between busbar supporters for LT panel, what are the factors influencing in this design

0 Answers   Amara Raja, TATA,

What is auto transformer?

7 Answers   L&T,

What is the difference between earthed and unearthed cable

5 Answers   FT, L&T, Suzlon,

For 300MW and over a distance 250 km, what voltage be selected? and no. of circuit?

5 Answers   DPL, NTPC,

current transformer balance the power level on both sides. e.g in case of step up, at secondary side voltage rise but current decrease and vice versa in case of step down transformer. but how this power level remains same in case of current transformer and voltage transformer

0 Answers  

why all the feeders are designed in a particular manner ... is there any reason for that???

0 Answers  

Can anybody explain me the electrical circuit of indian railways to drive electrical engines(LOCOMOTIVES)? How does overhead lines work in the circuit to drive different trains on the same track?

1 Answers  

what is servo motor & how does it work.

0 Answers  

what are all the preventive maintainance carried out in DG?

1 Answers   TATA,

how to compare with Relay settings for HT&LT panels, RMU panel, and PSS CSS transformer?? 1) Load amps, 2)Tripping time, 3) CT ratio, 4)Cable size 5) Transformer KVA rating 6) transformer full load amps

0 Answers