Answer Posted / shakus

@Sakthish_kumaar

Please mention whether the motor is single phase or three
phase?
apply for single phase>>

P=VIcosØ

and Apply for three phase>>

P=√3VIcosØ

What is the formula to calculate distribution transformer De-rating on iron losses basis

1851

---

How to select the proper VSD to operate high inertial load

1738

---

What difference between ref protection and differential protection ?

1854

---

What is the function of NER and NET?

2449

---

What is the alternate solution for testing of polarity by using polarity tester while its milli ammeter does not works?

2043

---

What is magneto on a gas generator. how it functions. its out put is d.c or a.c. how it can be checked for correct functioning

2013

---

What is the function of the circuit breaker failure relay?

2377

---

How to measure the earth resistance value in a concrete pavement(flood light area)?

2224

---

How can we connect additional batteries to three phase ups? What are parameters we have to check when connecting?

2081

---

What are high pass filter and low pass filter? and What are the flowmeter ?

1989

---

what reason of line current and phase current in star connection and line current and phase current not equal in delta connection?

2093

---

what the principle of sincroscope?how it works?when it needed?

2292

---

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

2095

---

while doing high potential for 11KV 3 core cable how much leakage current will obtain?, what will be acceptance value?

2887

---

why different series of vfds (like allenbradley)are used in industry ?

2305

---