a voltmeter shows 100v..wat is to be done to make it read 150v.
Answer Posted / latha
increase the number of turns in the pressure coil
| Is This Answer Correct ? | 3 Yes | 6 No |
Post New Answer View All Answers
Q.1:What protection will be used on HT and LT side of 33/0.4 KV, MVA transformer. Indicate capacities of protective device to be used. Q.2:Which types of back-up protections are used in the power transformers? What do you understand by the term over travel in the relay? Q.3:How star and delta connected winding transformer are provided from earth fault
Define maximum demand?
if the number of poles generated in stator and rotor side of an induction motor are different then what will happen and why?
If we impress a dc voltage of 230 V on an unloaded 230 V, 50 Hz transformer it wi A give high secondary voltage B burn out C give secondary voltage as per K D none of these
What effect does a very low impedance have on the Voltage regulation? On the short-circuit current?
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
Why is the starting current high in dc motor?
what is the synchronous timer ? and it applications.
with out colour codeing on conductor how can be find what is r,what is b,what is y phases.....
for what voltage will reactive power be largest in 380 kv line : a) 375kv b)380kv c)385kv
What is pd controller?
What are the factors which influence the choice of specific magnetic and electric loadings of a synchronous machine?
dear all i am kumara now current working in electrical designing of control and relay panel i want learn some substaion design then any book are available. pls mention name and authour
in my working site. momentary jerck in electrical supply ocurred frequently which cause of multiple losses in our electrical equipements. how can we protect our electrical machines and equipements in this situation.
i want to learn control schedule for 11kv panel? can any one send the detailed control schedule?