Topic :: Capacitance





Capacitance Interview Questions
Questions Answers Views Company eMail

Difference between transition and diffusion capacitance

2559

How do we arrive at selecting reactive capacitance value as 30% of h.p rating of motor?

1471

Derive capacitance to 4-20ma conversion formula / relation in capacitance type pressure sensor?

ISRO,

1873

I want to ask a question which i faced during testing of Capacitive Voltage Transformer in AIS. We have measured the C1 , C2 individually , but when we start to measure the total C1+C2 , the testing equipment shuts down and says low loading. Kindly is it possible to find the total capacitance by using measuring device. kindly briefly explain the procedure.

AIS,

1477

What Is The Formula For Thermal Capacitance?

790

Derive the equation that links voltage, charge and capacitance.

812

Define the term Capacitance and Inductance?

756

Which device produces voltage variable capacitor? How the voltage variable capacitance varies with the change in voltage across it?

728

What is the principle of capacitance type level transmitter?

774

How to calculate energy stored in a capacitance

788

What is capacitance?

835

How will you define capacitance?

808

Explain capacitance?

674

Explain capacitance, inductance, resistance.

702




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Un-Answered Questions { Capacitance }

what is the reactance,capacitance & impedence electrical armoured & unarmored Cables.

1727


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

1531


The Design Calculation of Level Transmitter For Different Structure open & Closed Vessel, Eg. Diff. Level Tx., Capacitance For Continous Operation

2440


what is self capacitance of inductor

2010


how to calculate sizing of NGTR (Transformer rating,Loading resistor value and Current rating of resistor) and what is the X/R ratio. Details : 11kV,Capacitance 1.73532 micro farads,40kA for 1sec.

1854






How can claculate to attain the desired PF in the line ( HOW Much KVAR is required ) Pls Give the formula? Equate Petrochemical 0 1 how to calculate sizing of NGTR (Transformer rating,Loading resistor value and Current rating of resistor) and what is the X/R ratio. Details : 11kV,Capacitance 1.73532 micro farads,40kA for 1sec. 0 1 What will happened. if we feed 3phase supplay to the stater with out insert the rotor. How much current will flow through the stater winnding? Equate Petrochemical 0 1 What is required of exietation to the alternater. 0 1 why star point of HT motor not earthed? Equate Petrochemical 0 1 Why we are getting low voltage in star connection? Equate Petrochemical 0 2 What's ND relay & it's functions? Equate Petrochemical 0 2 How instantanious short circuit current is calculated? its formula? Equate Petrochemical 0 2 What is servo Motor? What's the advantages of this motor over Induction motor? Equate Petrochemical 0 2 What is core CT & it's function? Equate Petrochemical 0 3 what is meant by star/delta voltages as 440/220 in a 3 phase induction motor, and why it should be connected on STAR IN 3 PHASE SUPPLY L & T 0 4 What is required of exietation to the alternater. KNB 1 23 what is the design voltage for 6.6KV 2000 KVAR HT capacitor? Consultancy 0 3 Pls explain about vfd control?Where it is used, Give some example? siemens 1 22 Please explain me abt PQ diagaram in the power sector. 0 9

1758


How the capacitance og capacitor volatage transformer is decided?

1626


how to find the capacitance value of the motor while running??

1521


can anybody tell me that for p.f. Improvment we use capacitor banks but how to decide its capacitance. As we all know how to calculate kvar but what abt capacitance value

1493


what is difference between fork type and capacitance type level switch. where it is using

2031


why capacitance effect is predominant in underground cable transmission and inductance effect is predominant in over head line transmission?

3298


What is the high series capacitance winding on high voltage power transformer ?

1717


In most instances, Inertia processes are quite uncommon. Give an example of a combined Resistance and Capacitance situation.Describe an application, which according to your understanding of the subject matter, comprises of both Resistance and Capacitance effects.

1623


what is the effect of earth on capacitance in 3-phase and 1- phase transmission line?

1997


How line capacitance & line inductance varies with increase in height tower.

1967