Answer / yusuf.mavin

When a large current flows through the primary of a current
transformer it is stepped down and a low current flows
throughs the secondary of the c.t. however when there are
faulty currents flowing the secondary cannot bear hevy
currents so the core of the c.t gets saturated i.e. it does
not respond any further to higher currents. All the
electrons of the core are alligned and there are no more
electrons to works further this phenomenon is called
saturation. This can be avoided by applying multiple cores
to the c.t. which act as protective cores and prevent the
main secondary from burning.

how to identify the direction flow of electrons in a conductor? if i want to check the sequence in kv lines, is any device is available?

3 Answers  

---

What is the difference IN MCCB's between thermal magnetic and electronic tripping system ?

0 Answers  

---

while starting a liquid starter ,is there any volage drop on water/soda on tank.can we touch the tank on starting?

0 Answers  

---

how to estimate wiring ins roughing ins. and boxes

0 Answers  

---

Why HT cable have only 3 core ?

10 Answers   Jindal, McDermott,

---

What is the operating range of voltage and current in grid supply in India?

4 Answers   BARC,

---

what is the formular for the calculation of CT'S when installed as part of a electrical installation so the correct meter is used

2 Answers  

---

What is Procedure the procedure to select CT's & PT's in 66kV and above substation

1 Answers  

---

why voltage will come different in phase?

3 Answers   HP, Vissa,

---

What is the reactive power and how to control the reactive power in power plant

14 Answers  

---

HOW WE WILL CONNECT THE PHASE CTS AND NEUTRAL CTS TO REF RELY

3 Answers  

---

How much earthing require for h.t.22 k.v. cable in coming side & out going & 22 lighting arrest or,22 k.v.D.o. & A.B. switch.

1 Answers  

---