formula for cable size calculation for current?
- 10 Answers
- 40619 Views
- KL Power, ONGC, RL Clean Power Pvt Ltd RLCPPL, SAS, Sobha Developers, I also Faced
- E-Mail Answers
Answer Posted / gurunadharaov
by the formula p=v*i*cos@
assume the load as 5kw and operating at 230v and also
assume the load as inductive (so the power factor is 0.5
pf lag)
now by formula
5000=230*i*0.5
i=50A
NOW CABLE SIZE MUST BE > LOAD
SO CABLE SIZE IZ 65SQMM(ITZ DSSEPEND ON AL/CU CABLE)
| Is This Answer Correct ? | 118 Yes | 136 No |
Post New Answer View All Answers
What is difference and reason b/w -48V BTS system and 24 V BTS system. Plzzzzzzzzz tel me.
give me atleast four differences between circuit and network
What is the difference between type1 and type2 relay protection co-ordination for motor feeders
how we can come to know that motor winding resistance which showing by DMM is right or wrong???is there any chart or something that we will compare & check???
what is the effect of higher value of GD???
how single phase preventer works ?
What are the two basic types of transformers?
How npn and pnp transistor works
I PURCHASED A DEISEL GENARATOR SET OF AVR TYPE& RATING 125KVA BUT SOME TIMES THE OUTPUT VOLTAGE IS FLUCTUATING WHAT ARE THE PROBABLE REASONS GIVE ME
is there any device that works properly accept relay, it may be fuse but if i want fuse of 33kv 300 amp it is avaliable, pls give me details
Installation method of self treated earth electrode.
HOW CAN YOU CALCULATE PRACTICAL EFFICIENCY OF A ASYNCHRONOUS INDUCTIONMOTOR OF 7.5KW,& MOTOR IS RUNNING WITH AVOLTAGE OF 410 VOLTS,& TAKING CURENT OF 13 AMPS
What is PQA???Applications........
What is the need of earthing transformer for delta side of a transformer. (Think of a line section between a star/delta transformer at a grid substation and delta/star transformer at a village. An earthing transformer is there at the delta side of the star/delta transformer at grid substation). As there are no ground reference there will not be fault current if a one phase is grounded. Further L-L phase will be sensed by the primary side of star/delta transformer as a L-G fault. So why an earthing transformer is required at delta side
stand by earth fault protection (51G) for transformer rating 2000 kVA,Dyn11,33/0.400 V. LV NCT ratio and necessary resistor and metrosil values how to calculate
