Answer / sanket

YWY- IT MEAN COPPER CONDUCTOR,Y- PVC SHEATH,W-SINGLE ROUND
WIRE ARMOUR Y- PVC INSULATED CABLE..

AFWY DONT KNOW BUT U CAN FIND LIKE THIS

IF THERE IS NO MENTION FIRST IT MEAN COPPER CONDUCTOR(1)
A- ALLUMINIUM COND.(1 CHARACTER)COPPER OR ALU.CONDUCTOR
Y- PVC SHEATH (2)
F- SINGLE ROUND WIRE ARMOUR (3)EITHER F,W OR FF,WW
W- SINGLE STRIP ARMOUR (3)
FF-DOUBLE ROUND WIRE ARMOUR (3)
WW-DOUBLE STRIP ARMOUR (3)
Y - PVC INSULATED(4)

why induction motor take more current when motor start time and this current take for 1 hours when motor is start.

2 Answers  

---

Why the core of a underground cable is spiral in shape instead of straight??

3 Answers   Mecon,

---

how technical is calculated in 11kv line and lt line

0 Answers  

---

In ACS 1000 drive we used 12 pulse convertor.Why dont used 6 pulse or 3 pulse convetor

1 Answers  

---

what ispositive, negative, zero sequence impedence?

0 Answers  

---

---

what is vA rating and class of a ct.

0 Answers   L&T,

---

How can calculate the rating of a alternator for a given specific load with formula

0 Answers   NRSC National Remote Sensing Centre,

---

Why insulation level follows this order? transformer < bus bar < circuit breaker & Isolator < transmission line.

0 Answers  

---

Radio Carbon dating is used in a) find diseases b) find the age of relics c) find the carbon content in the atmosphere d) none of these

2 Answers  

---

Motor running trough VFD, if voltage reduced speed will be?

4 Answers  

---

Difference between shunt, PMG and AREP excitation. Which is the most reliable between PMG and AREP.

0 Answers   ABB,

---

what is the equation of insulating resistance of motor???

1 Answers   Birla,

---