Answer / sudhakar g

According to Polycab standard the current carrying for 4C 50Sqmm STEEL WIRE ARMORED cable is 133A(ground) and 142A(air)

The formula for voltage drop is

Vd=(MV*Id*L)/1000

Answer / avd

Voltage drop in cable is a function of load current. It is
simply V=IRL. where V= voltage drop in cable, I= Load
current, R = Resistance/meter length, L= length of cable in
meters.
For maximum current carrying capacity of cable please see
menufacturers catalogue.

Answer / ghannesh

hi all my name is ganeshkumar from Hyderabad dee According to Poly cab standard the current carrying for 4C 50Sqmm STEEL WIRE ARMORED cable is 133A(ground) and 142A(air) ok use diversity factor demand foctor, all of i know use 80% load use in ex: 142*0.80=113 amps maximum load in air in ground 133*.80=106.4 amps maximum load

What are the different types of testing in ht cables?

3 Answers  

---

Why reverse relay used

2 Answers   cpgn,

---

What is the Efficiency in Electric motor ?

2 Answers  

---

why ac supply neutral should earth not in dc (-)

2 Answers  

---

Give atleast 20 alternating current apparatus and devices.

0 Answers  

---

what type of earthing is done on hilly rocks.

4 Answers  

---

12.5 KVAR capacitor 440V gas filled, Its used for windmill purpose, How can i know about microfarad value for this capacitor

2 Answers  

---

WHY CURRENT DECREASES WHEN VOLTAGE IS INCREASED IN A CURRENT TRANSFORMER ?

5 Answers   Sterling Wilson,

---

give some advantages and disadvantages of combiniing the session, presentation, and application layer in the osi model into one single application layer in the internet model

0 Answers  

---

What will happened if the neutral of the (star connected secondry) Xformer disconnected? (if its Above KVA rated one)

0 Answers   Equate,

---

how can electricity is produced without water

6 Answers   Bescom,

---

We have a 33/11kv switchyard having 12.5 MVA power transformer. We export & import power through this transformer. When we export power, the PF will be depend on GRID PF & when we import power the PF will be depend on our load PF. but the problem is that,when neither we export nor import but our 33KV vCB is in close position,our meter read the power factor 0.14 to 0.25 at that moment. So how can be we improve the power factor at that moment.

3 Answers  

---