Answer Posted / prakash suhane

During start motor requires high torque to get rated speed.
Requirement of high starting torque leads to large back
E.M.F and t6o overcome this back EMF high current flows
during starting of motor. once motor reached its rated
speed current reduced as per load current on motor.

What are the advantages of nichols chart?

1312

---

I have experienced electrical maintenance HT ,but I completed be ECE ....can I apply c license or not ???? Pls help me friend s...

1576

---

Sir, I have applied for the of Assistant.engineer of NPDCL. please send me all AP TRANSCO AND JENCO solved papers of previous exams . I requested send me the papers to my id as soon as possible (rajanikanth_peddi@yahoo.co.in) (This is very urgent) Thank You,

2912

---

Is the installation of the filter cloths necessary before spreading the gravels at the transformer yards?

1947

---

1. If 8.35%Z means the percentage impedance of 132kV-line from power company, we will like to reconfirm its base capacity.

1999

---

hr round

2148

---

What are the protection required for Transformer, motor, Line, Generator, capacitor, that all i have to refer which standard?(Like Transformer detail IS 2026)

2018

---

If increased the frequency up to 1000 then what changes shows in voltage?

2426

---

What happen if we apply square wave or traiangular waveform voltage to the transformer primary winding instead of sinusoidal wave?

2170

---

What is shunt voltage and u v voltage witch one best

1730

---

how to choose cable size with respect to load? how to convert cable size in mm2 to sq.mm?

6002

---

draw singleline diagram of star to delta and dol starters

2259

---

What is the ratio of true power to apparent power in an ac circuit?

1146

---

how to find the torque of the single phase synchronous motor by doing an experiment

1943

---

by using pump duty, how we will can calculate the motor duty(KW)? is there any standard or formula.

1981

---