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Topic :: Capacitor





Capacitor Interview Questions
Questions Answers Views Company eMail

In a Capacitor the electric charge is stored in:

TELK Transformers And Electricals Kerala Limited,

2 5425

if our load in 3 phase circuit is 4000 amp. calculate the capacity of capacitor panel if line power factor is.80 .

ST Micro,

1 4224

how to discharge 3 phase power factor correction capacitors

M S Ramaiah Institute,

2499

for 4 MVA , 33K.V/6.6K.V transformer. secondary side the connected load is 3000H.P. What is the rating of capacitor bank to be insttaled.

SCCL,

2632

I have motor of 3 H.P. How i found the rating of capacitor use in it in single phase motor..???

2689

Why capacitor is blow when I am starting motor ?

1 4406

My load is 15 kw,i want to improve power factor from 0.8 to 0.9,how select capacitor

RIB Software, TATA,

2 9293

What is the difference between surge arrestor and surge capacitor?

Shreem Electric Ltd,

2 10242

Why consider motor rpm to select capacitor for motor

KSEB,

1 3539

if a 2 ohm resistor,2 ohm capacitor and a 2 ohm inductor is connected parallely to 12v source.Then what is the value of current in each branch.Is current flows in each branch at the same time?If not so then provide the proper sequence

Tata Steel Limited,

1 3160

why capacitor offer reactance to alternating current?

Electrical,

1 3020

How the value of KVAR of capacitor bank used in switchgears calculated??

2 4049

we have one pumping station and 4.6 MW 7 no.s synchronous motors.so there is no required HT capacitor to improve power factor.But we have two no.s of 25 Mva power transformer connect to distribute the power for motors connect with 220 kv line.So i have required the HT capacitor to improve power factor at HT side i mean power transformer bus side.So please suggest how much HT capacitor banks required for same.

1 2845

Consider a case that two 200 hp motors are connected to 500KVA transformer. For improving power factor can we add capacitors in common bus bars to motors. Or should we add capacitors for each individual motor?

2 3726

Why capacitor is not allow dc ?? What the reason?

Student,

2042




Related Topics


Un-Answered Questions { Capacitor }

what is the purpose of capacitor? and capacitor load means what? how does it connect?

2454


How a capacitor discharge weld power supply works? what is the use of a pulse transformer?

2117


In PFI plant one stage capacitor connection is directly connected(with out megnetic contact controll). but why?

2331


what is the series parallel connection of capacitors? and how can we use these application in three phase motors for controlling torque?

2148


How shall i select the value of capacitor or inductor in a system?

1943


Power factor =1.000 at factory in supply. However, PF = 0.8 at motor end. Current = 100 Amp, Voltage = 400 V. What is the power distribution loss? Can I reduce it by adding capacitor at the load feeder?

2103


how a resistor resists to flow the current?how an inductor oppses the sudden change in current?how a capacitor opposes a DC voltage.

2820


how we start 40w tube light with 4 diodes,2capacitors,1 choke and without starter.(a product avilable in market which lights burnt tube lights also)

2095


i am going to correct power factor of 1600kw induction motor,when i calculate capacitance of capacitor it is three time more in star connection than delta. if motor is star connected which connection i shall adopt for capacitors and reason for adopt this connection

1890


how to calculte capacitor range for single phase induction motors??pls tel

2170


what is proper capacitor placement? How to evaluate capacitor size?

2176


EXPLAIN THE WORKING OF SERIES REACTOR IN HT CAPACITOR BANKS (FOR VOLTAGES & CURRENTS)

8346


defination of transistor controlled series capacitor

2677


Can anyone explain me about the capacitor calculation

2249


Inductor and capacitor........power in one phase and ...... in it another phase.

2189