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Answer Posted / naveen
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State the factors, for the choice of electrical system for an aero turbine.
what is feed back and what are feed back amplifiers?
Can a generator runs after getting 1st stator earth fault.
What will happen if the armature resistance is in minimum position and the field resistance is in maximum position while starting the motor
can you plz send l&t aptitude questions if available its urgent plz plz plz
Explain what is clipper and clamper circuits?
5- What is the task (function) of the excitation and isolation transformers in power plant? 6- What is the task (function) of LCI (A), LCI (B) and LCI (COS) in power plant? : LCI (A) and LCI(B) are load commutating inverter for generator turbine starting. , LCI (COS) is load commutating inverter change over switch
234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,
Is there any relevant technique to produce power from light and heat energy of the sun simultaneosly from same rays of light?
where lt & ht capacitor used
what is v/f control in VFD?
What are books to be referred for KPTCL exam?
list of tests to be carried out at manufacturers end while purchasing a step up transformer of 11kv to 66kv ,2MVa Capacity.
for a 400kv t/m line with 10 ampere current will corona occur?
What will happen if we introduce negative feedback to a control system that uses a positive feedback?
