Answer Posted / amit khamesra

GENERATOR:
Directional O/C & E/F,
Differential
Voltage dependant O/C
NPS
Reverse Power
Low fwd power
O/C
E/F
Standy By E/F
V/F
100 % Stator EF
Over Freq
Under Freq
Over Vtg
Under Freq
Rotor EF

TRANSMISSION SYSTEM
Distance Prot.
Local Breaker Bkp
Pole discrepancy
O/C
E/F

FEEDER PROT.

O/C
E/F
Directinal O/C & E/F

how u select control transformer for a mccb panels or any panels?for expample we hav 440 volts maim supply and control volts is 230v?

2232

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What are the advantages and disadvantages of negative feed back?

1185

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why incomer bay is required before transformer bay if there are more than 1 nos. of transformer bay.

3173

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who many types of fire explane with exmple

2287

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What is the difference between cylindrical-type and sandwich-type winding?

1513

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What are the two major types of control system?

1143

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give me applications of sequence bridges . (used in 3 phase un balanced systems)

2014

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WE HAVE THE DC RECTIFIER 1500A, INPUT VOLTAGE IS 3 PHASE. HOW TO CALICULATE THE LOAD? 3 PHASE SIDE EITHER dC SIDE. PLEASE SUGGEST ME

1935

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physical identification of HT & LT panel

1723

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anyone please send transformer parameter design formulas & details of tap changer ? plz i have interview this week its more helpful for me ?

1916

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How to derive detailed design of Suitable bus Bar for 100A for 6.6KV?

1866

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1.what is difference in maintain Hz again Hz in USA ? 2.how to calculate the battery AH? 3.why are yearly maintained in transformer how many tests in required?

2821

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how unidirectional torque is produced in DC motor?

6835

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im electrical engineer, could any one help me for FEWA exam questions please ?

1161

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Is it required to use Automatic transfer Switch in L&T panel board if we use AMF panel with DG set? How the single line diagram will be? Please forward the material to sreenu_207@yahoo.co.in

4791

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