Answer / sanjay chaudhary

xlpe cable is mostly used for power cable

Answer / arun kumar.k

* XLPE : Means Cross Link Poly Ethlene.
* PVC : Means Ploy Vinyl Cloride.
XLPE : Heavy Current carrieng capacity.
PVC : Low current carrieng capacity.
XLPE : LT & HT Cable used.
PVC : 110 Volts & 230 Volts used.

Answer / b.g

why use semi compund in cable ?

Answer / minal verma

Pvc cable is used for less than 450 v , while XLPE is used
for voltages above 500 v.

Pvc cable is also called LT cable while XLPE is HT cable.

What is the working mechanism of OLTC in Power Transformers????

0 Answers   KSEB,

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why transmission voltages are in multiple of 11kv?

10 Answers  

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What is the major differences between RCCB & ELCB? If we use ELCB of less sensitivity why does it trip often and can we control it from tripping?

1 Answers  

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Differentiate between ideal and non-ideal voltage sources?

0 Answers  

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Here iam a question with SYNCHRONIZATION PANNEL related issue, as i want to design a SYNC.pannel board iam giving the 2 nos of 1MVA Generators to sync pannel , then what wil be the out put of the sync pannel, whether it wil be one cable coems from the sync panel or two cables.. as iam using two transformers to meet my load demand, so pls clear me whether two cables comes from sync panel to connect to transformers or only one cable

3 Answers  

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When we use air circuit breaker, it has O/L protection ,time delay SC protection, Instataneous SC protection & ground fault protection. They all have some setting range. But what is the suitable/allowable setting for the above protection which will be safe for the equipment? For example-O/L protection setting have a range of (0.4,0.45,0.5,0.55,0.6,0.65,0.7,0.8,0.9,1.0)xIn Time delay SC protection have a range of (1.25,1.5,2,3,4,6,8,10,12)xIn Time delay setting is 0.02,0.1,0.2,0.3,0.4 Instataneous setting is fixed to 20xIn Gound fault setting is given 100A,300A,600A,900A,1200A This setting are for 2500A ACB. So what will be the basic allowable setting for the above protection? is there any formulae to calculate this<

0 Answers   Lupin,

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wht is the difference between volatge and wattage ? how can it be converted ? (like 15w = 6v ) like tht... ? actually what tht means ?

3 Answers  

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Dear all, Can anybody tell me that how to choose CT for a specific load? I have a 200kw induction motor, which ratio CT should be installed? Is there a formula or calculation that determines the CT ratio for a load? Regards.

2 Answers  

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What is the diffrence (Technical & Construction ) between CBCT & Normal CT?

0 Answers  

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WHAT IS THE DIFFERENCE B/WDYNAMO&ALTERNATOR?

6 Answers   IOCL,

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What are types of encoders?

19 Answers   ITC Infotech, UFO, Wipro,

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Greeting to all members, How to calculate spill current when we have different ratio CT and Class for REF(Low Imp) I have 500/1A 5P20 @line side n 400/1A CL.X @ Neutral.

0 Answers   DEWA,

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