how the capacitance is caluclated if the load is varying to
keep the power factor constant(above0.95)
Answer Posted / k ravinder
INTEGRATION OF((d(KWH)t/dt)/(d(KVAH)t/dt))=K, K=.95 LIMITS
0 TO t
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
What is minimum phase system?
how to calculate singlephase motor efficiency?
what are all the components required to assemble solar panel other than pv cell?
Why derating factor os applied on Cables?
IN induction motor pf is increased using capacitors.what will be the effect on motor and system when very large capacitor is accidently installed and pf goes leading.
What is the name of the winding from which the supply is taken for load connections?
what is transient stability analysis means?
what are the dimensions for 200 kva transformer plinth (plateform),in which pcc m20 is used..
what is meant by skew width in machines?
How the circuit breaker is selected for Induction motor of 100 kW, 415 volt, 0.85 power factor, 0.95 efficiency ?
How To increase Knowledge Of boliler regarding To Only Electrical Field..
What are the classifications of oscillators?
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
oil cooled transformer
IN SINGLE PH TRANSFORMER IF LEKAGE IMPEDANCE DROP IS NEGLECTED ,THE FLUX IN THE MAGNETIC CORE and the lekage flux linking a winding are a)proportional to the applied v to the winding i respectively.