Answer Posted / k.prakashchandra

star

What is difference between unity power factor wattmeter and upper power factor wattmeter? In short circuit test of transformer the wattmeter used is unity power factor type or upper power factor type wattmeter?

2760

---

What is difference between YNyn0 and YNyn ??

2559

---

Draw transformer phasor diagram.(full load,no load)

4177

---

Differentiate between ideal and non-ideal voltage sources?

1086

---

Which contains in POLE ASSEMBLY of a 11KV Kirloskar-make SF6 (Model No-FP620A12)? Will u clarify with drawing?

2174

---

why we use ac supply as 415 volts instead of 415 v why we cant apply 230 v for dc

2407

---

The ripple frequency in output of fullwave bridge rectifier is a. Half the input b. Twice the input c. Same as input

2262

---

what is cause of static electricity? I experience shock when i touch metal equipment in a room ,furher check shows earth leakage showing 80ma at the DB near to the 400 MCCB?

1907

---

what is differant beetween overload current and phase current?

2339

---

Difference between ac parallel circuit and ac series circuit?

2117

---

CALCULATE THE TOTAL VOLTAGE DROP AND SELECT THE CABLE SIZE IN MM-SQARE FOR A PANEL-262KW AT 110 METER FROM THE SOURCE SUPPLY , SUPPLY VOLTAGE 240/415

2651

---

What is the formula to calculate the rating of a three phase miniature circuit breaker

2143

---

explain the process of commutation in a dc machine. Explain what are inter-poles and why they are required in a dc machine.

1179

---

What is the permissible limit of shaft voltage for 6.6 KV motors ? Why? Is there any standard is available?

2658

---

"TRANSFORMER MODELING AND ANALYSIS" MEANS WHAT AND WHICH TOPICS U READ IN THIS

1882

---