Answer / subbu

Since ct is step up transformer ,with secondary open , very high voltage will develop on secondary side. Due to this high voltage , secondary winding insulation will fail .this will lead to damage of secondary winding.

why transformer rating in kva

6 Answers  

---

What is DPR relay, And what for??

2 Answers   Engro,

---

Plugging is a phenomenon to= A braking the motor B to accelerate the motor C to run IM as generator D to start the motor

0 Answers  

---

what is the difference between VARIAC,AUTO TRANSFORMER,DIMMERSTAT.

10 Answers  

---

What is current divider rule (cdr)?

0 Answers  

---

2 v/500amp/hr to 1.80vpc at 20 degree celsious 2v/5ooamp/hr to 1.75 vpc at 77degree farren .this is the capacity of a battery .what is the meaning of this . can i get a detailed explenation

0 Answers  

---

how we can calculate power factor without knowing current in 230v 100w load ?

10 Answers  

---

What is the restart inhabit setting in ABB spam150c relay (Motor protection relay)

0 Answers  

---

Is there a standard depth of gravel fill in Substation Switchyard? Please give a design/drawing. Thank you.

0 Answers  

---

During Starter Panel Com missing I Found The Main Incomer 40Amp MCB 10KA Trip When Motor Change Star To Delta Motor Rating 20HP BUT When We Use Same MCB To Other Motor It Does Not trip Or What Is Necessaries for Star Delta Starter MCB SFU MPCB OR MCCB And What are The Breaking Capacity of MCCB in the Motor above 15HP

0 Answers  

---

difference between crane drive and line drive.

0 Answers  

---

why the electrical plug point pin(earth) size in max

1 Answers   Autoneum Nittoku, Bajaj,

---