Answer / k.prakashchandra

Both are used for communication .OPGW means optical ground
wire .i.e. optical fiber cable inside the ground wire

why so maney smaller size capacitor use instead of single Big size capacitor in apfc panel

1 Answers  

---

During speed control of dc shunt motor with flux control methode,when armature voltage is constant, How can it possible to increasing the armature current?

1 Answers  

---

why do you give the dc supply to field of alternator

3 Answers  

---

Define ampere

0 Answers  

---

1.what is bus cuplour and main funtions. 2.what is main function of alternator. 3.how many types of dg oils.

11 Answers   Bhel,

---

what will happen if we directly give supply to rotor of a induction motor?

1 Answers  

---

What is meant by turbo alternators?

0 Answers  

---

I HAVE A INCOMING 100A MCCB TPN 25KA, CABLE LENGHT OF 80M 70MM CABLE SIZE FROM MAIN SUBBOARD TO NEW DB.BASE ON THE FAULT LEVEL SETTING OF 45KA.I WOULD LIKE TO FIND OUT 25KA ENOUGH KA. APPRECIATE IF SOMEBODY CAN ASSIST ME WITH FORMULA FOR THIS. FRM: JEFF

0 Answers  

---

What is power factor? Whether it should be high or low ? why?

9 Answers  

---

iam preparing for rrb section engineer post in electrical branch.suggest the right textbook for my reference.fromwhere i will get the previous q.papers?

0 Answers   RRB,

---

Why the cores of large transformers build up of circular cross section?

0 Answers  

---

Explain what is use of lockout relay in ht voltage?

0 Answers  

---