Answer / prince

Anti-pumping relay is used for protecting the closing coil
of the circuit breaker.The Anti-pumping relay contact(NC)
has been taken in series to the CB closing circuit.

Answer / priyabrata

Anti pumping relay is nothing but it works as a protecting
device for close coil.It protects close coil for instants
operation when close command goes to breaker.Once breaker
get close comand it close but after closing if breaker gets
close command then anti pumping contactor prevents that.

I WANT YHE TECHNICAL AND ELECTRICAL SPECIFICATIONS OF 2x4MW 11KV 2x10MW 11KV 2x25MW 11KV 2x100MW 11KV HYDEL POWER PLANT i.e PROTECTION SYSTEM,MONITORING,CONTROL SYSTEM,GENERATION,SYNCHRONISATION,METERING PLEASE SEND THE DETAILS TO MY MAIL ID SPRAVEEN_222@YAHOO.CO.IN

0 Answers  

---

What type of motor is used inside computer CPU.

11 Answers   Bhel, TCS,

---

How can we get electric power from lighting ?

3 Answers   TATA,

---

power is the product of voltage and current.so we can measure the value of power just by using ammeter and voltmeter.......then why do we use a wattmeter?

5 Answers  

---

What is lighting kitts.

0 Answers  

---

Why we are use 11KV / 22KV / 33KV / 66KV / 110KV / 230KV / 440KV this type of ratio. why cant we use other voltage ratio like 54KV / 99KV et.,

8 Answers   College School Exams Tests, Hino, ITC Infotech, Reliance, UPRVUNL,

---

How to design the NGR Resistance

0 Answers  

---

What does a permanent magnet generator do?

1 Answers  

---

what will happen if dc supply is given to ac motor?

9 Answers   CTS,

---

how to avoid Saturation in C.T?

0 Answers  

---

can i connect wavetrap in 2 different phase in EHV line?

0 Answers  

---

what is short circuit force ? How to calculate it for Panel?

1 Answers   Bilt,

---