Answer Posted / arvind maurya

IN THE SHORT CIRCUIT TEST WE DETERMINE THE COPPER LOSS .IN WHICH SECONDARY SIDE OF THE TRANSFORMER(LOW SIDE OF THE TRANSFORMER ) IS SHORT CKT BY THE AMMETER AND RELAY AFTER THAT WE APPLY RATED CURRENT ON THE HV SIDE OF THE TRANSFORMER AND HV SIDE A SMALL VOLTAGE ARE APPLY WHICH IS 2 TO 10% OF THE RATED VOLTAGE .SO THE VALUE OF THE VOLTAGE IS VERY LOW AS COMPARE TO THE FULL LOADED VOLTAGE .SO READING OF THE WATTMETER ARE ONLY THE READ THE VALUE OF THE COPPER LOSSES AND ALSO DETERMINE THE SHORT CKT PARAMETER Rsc , ZsC AND ALSO Xsc

What are n circles?

1094

---

write circuit diagram for a motor rotate in forward direction once it started and when pressed the same button it should rotate in anticlockwise.

2566

---

Explain forward resistance, static resistance and dynamic resistance of a pn junction diode.

1203

---

How a band pass filter is constructed?

1063

---

33kv Rated output avilable in market (any where in india)

2080

---

WHAT IS START TO INDUCTION MOTER IN STAR TO DELTA OF >5HP ?

1878

---

list of tests to be carried out at manufacturers end while purchasing a step up transformer of 11kv to 66kv ,2MVa Capacity.

1986

---

If SFU is Switch Fuse Unit, What is the expansion for FSHF in Electrical Engineering?

2596

---

what is basic difference betmeen normal & flame proof motor??

2034

---

What is time invariant system?

1170

---

what is the disadvantages of common earthing for AC and DC equipment? (i am talking about inverter control room and inverter duty transformer earthing is common...?)

1679

---

What is the Difference between Ac Drives and Dc Drives? According to application, speed, Torque, cost, Reliability, Construction, Motor etc... Thankyou !!!

2201

---

Details about Flux Compensated magnetic Amplifer starter for motors

2020

---

what is the importance of Partial Dischage test for Electrical Equipments

1934

---

what irequirment need to be followed when working on live equipment

1796

---