why transformer ratings in kva?
Answer Posted / shanmukh
cu losses of a t/f depends on current and iron losses are
depend on voltages total losses depending on volt ampere but
power factor of a t/f independent of total losses because
t/f rating in kva but not in kw
Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
design of IGBT firing circuit for 11KV
Why LED light has advantage of rapid reflection ,although other lights alse reflect.? and this light is considered to be best for transmission usage in case of Free optics
How do i perform grounding of star point of Genset (400V) for making connection with step up transformer of DELTA-DELTA (400V to 20KV) ? while Genset itself has its own neutral and grounding bus bar inside genset breaker box whereas we have another neutral and grounding busbar in synchronizing panel next to genset at maximum distance of 6meter, would someone pls advice if we can only perform neutral grounding in synchronizing panel or should we ground neutral on both places inside genset breaker box and synchronizing panel.
What are the functions of different probes used in cro?
if the armature current in a dc generator is ac ( sinusoidal ) why doesnt the sjhape af armature mmf a sinusoidal (ni) ? armature mmf in case of a dc machine is triangular.
How to calculate earth fault current for 6.6 KV , 50 HZ , 756 Amps , 3000 RPM , 0.8 PF generator
Could the power factor on electrical system can affect the registration of the kwhr meter or the CT/PT?
What is the effect of solar radiation on the design of an Isolated Phase Busduct?
I am going to appear for the RRB Chennai junior Engineer online exam. Please send me the previous exams question papers (also solved) to my mail id: rrkhandhar@yahoo.com
I want to know the 'Test voltage' for Tandelta testing of 3.3 / 6.6 / 11 KV Motors. Please explain
Where voltage are high and current to be interrupted is low the breaker preferred is:
In HI POT test what is reason for applying the AC VOLTS and DC VOLTS in different applications what is the nessesity for this ?
why ups rating in kva? and why ups are in parellel?.why isolation transformer is used in ups?
What is the minimum underground tank size capacity considered for firefighting purpose?
if the load is 80 amp for main fuse and 100 amp for breaker so how can we calculate the cable size (cooper ) .