Why is reating of t/f in kva but for inverter in kw ?

Answer Posted / poonga

T/F losses depend on core and copper not on power factor .this is reason why it is being mentioned in KVA

Is This Answer Correct ?    4 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

1.what is the difference between transformer differential and busbar differential.2)why we are using 2 slope for trafo diif and 1 slope for busbar diff.3)what is the purpose of metrosil and stabilizing resistor in high impedance relay circuit.4)how metrosil reduce the peak volage.5)what is the funtion of stabilizing resistor

4275


If Polarization index of motor 8.75 at 500volts of medium voltage 4.16 KV motor what this mean winding good or bad pl answer if any reffrence book give me the link

1728


1.what is the difference between ct and cvt? 2.what is the difference between pt and cvt? 3.what is the difference between relays and circuit breakers?

2290


A 230V dc shunt wound motor has an armature resistance of 0,15Ω.When operating on no load at 650 rev/min the armature current is 6A . The motor takes a full load current of 85A. Calculate the full load speed if the field flux is (i) maintained constant (ii)reduced by 0,03

1599


what is mean by dry frequency

1945






Can anyone tell me some hints about what type of questions are asked by the interviewer by an Electronics engineer when company is installing an IPP and wants a team of engineers?

1811


why the arc welding machines require parallel earthing systems? ie why each machines are connected to earth pit by separate wires during earthing? wats it adavantages?

1740


wish of these transformer uses oil?

1177


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.

1742


rajha power sector details

1546


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

1586


From past few months I am getting lagging pf even though sufficient capacitors used in circuit. Where is the problem pls answer

941


The simple way of finding the leakage quantity and % in compressed air distribution system

1206


What is the difference b/w fanuc alpha series 16i and 18i controller. what is stand for i

1598


How calculated single phase induction motor req. Capacitor?

1126