How do you select a cable size(Cu&Al) for a particular load
Answer Posted / salah
Dear Friends,
cable types - XLPE/PVC /SWA
we have to choose the cable depend upon the applied
area/current rating
first step to find voltage drop for a required length as
per IEC regulation the VolDrop should not exceed 4% of
supply voltage it can be calculated
VD= mv/meter/amps this can be get it from cable chart -
supplier .if its ok then we can use
salah
| Is This Answer Correct ? | 7 Yes | 8 No |
Post New Answer View All Answers
What kind of socket shall be provided for window type air conditioner with cooling capacity upto 18000 BTU/hr
What are the protection required for Transformer, motor, Line, Generator, capacitor, that all i have to refer which standard?(Like Transformer detail IS 2026)
Iwould like to know barc interview questions
am commissioning the trafo without connecting the neutral therefore unbalance will occur what is the alternative solution for this?
what percent do you derate your copper wire when you change from copper buss to copper wire
how to conduct dc resistance test for rotor of an alternator and how to measure the rotor dc resistance value theoritically?
why +24 v and -48 v give to BTS? If -48v protect from surge then why we not use -24 v?
how is the cable tray designed & how its total length is calculated for an Industrial plant Say for Ex. (500KW Motor Load)
Why we use mho Relay in long transmission line?
What is the reason of polyphase induction motor tripping suddenly on high current during running at 70% laod? Motor IR , winding resistance & inductance balance. Motor no load current is balance and ok as per mgfr. data.
what is the difference between skin effect
How will A Medium voltage circuit breaker(11 kV voltage level) operate under short circuit fault condition whether It is having short circuit release like Low voltage circuit breaker or relay should be given?
For a spring controlled governer the relation F = ar+b (F is the controlling force, r is the radius of rotation a and b are constants), indicates that the governer is
If there are two transformer having rating of 2.5mva, 6.6kv/440v(satr-star),and the load is 600kw then what is better to maintain less losses in transformer having both transformer in parellel or only single transformer connected to load? Please give calculated answer
Why auxiliary transformers are not connected in parallel in primary stations?