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Thanx for advices but I am more interesting in finding what happen to PVC orbital/Noman Clature/Bonding Structure when certain additives are added to creat such properties in PVC compound how???

how we can select PVC material for PVC insulation and PVC sheath if we need properties a)all at a time or b)in combinations such as for particular cable, fire retardant fire resistant oil resistant anti termite anti rodent low smoke low helogen Is there any particular criteria for selection???

Does any one know how pe converted to xlpe compound and what is the difference between two organic compound molecular structure???

iec 540 standard clause 8: value of force can be calculated by formula F = k * Sqrt(2* D * sigma - sigma square) Where D = mean value of outer diameter of test piece. What will be the value of D = for Shape conductor and outer pvc sheath e.g for 120 sq mm 3/c copper PVC/PVC ?....The...

I am interested in 6 Sq mm and 10 sq mm 4/core pvc/pvc Aluminium conductor does any one know what is the short circuit current rating for 1sec and 5 sec, r,x and z values for different method of installations for above sizes. There is limitation of using 6 and 10 mm sq size aluminium conductor...

iec 540 standard clause 8: value of force can be calculated by formula F = k * Sqrt(2* D * sigma - sigma square) Where D = mean value of outer diameter of test piece. What will be the value of D = for Shape conductor and outer pvc sheath e.g for 120 sq mm 3/c copper PVC/PVC ?....The...

I need to know current capacity max Ib,r,x per phase cable can carry from brochure for this installation method directly burried in concrete duct for any distribution let p.f=0.8 load allowed???http://files.engineering.com/getfile.aspx?folder=adbde443-345b-4009-aac3-7d968bfce75a&file=95_mm.bmp

with out geometric factor one cannot determine inductance, capacitance of 4core,31/2core belted cable.... one must also know the 90 degree and 120 degree shaped conductor edges angle curved by shaped roller.

thank you. it is 4 core 3phase 95mm2 pvc/pvc 600/1000v, load factor 0.80 assumed, 1m deep, duct is empty 3m * 3m size, no soil, concrete ambient temperature 40oc, 50 meter length of cable, 50hz , distribution purpose, current capacity, voltage drop, reactance to be detemine through brochure and...

you should perform hi pot test ac/dc, insulation resistance test and conductor resistance test...

what will be the ampere rating,voltage drop,resistance and reactance for 95mm sq 4/c cu/pvc/pvc 600/1000v volts cable if burried it directly inside duct from manufacturer brochure if ambient temperature 30oc and if 40oc?

Is any one have geometric factor chart for 4/c,3/c,31/2c shaped conductor and dimensional chart for different sizes of shaped conductor power cables pvc or Xlpe insulated/ pvc sheathed belted cables?

Is any one know how volts per ampere per meter and current ratings calculated in different manufacturer brochure for any 4 phase unarmoured cable pvc insulated/pvc sheathed 30 degree ambient and 70 degree operating temperatures for cable 600/1000 volts for particular installation method e.g if...