Answer / prakul

motor starting torque will reduced.
AND AS WE KNOW TORQUE IS DIRECTLY PROPORTIONAL TO SQUARE OF
THE VOLTAGE.

Answer / senthil kumar

When the motor gets low voltage the following points are
obtained.
1.Low starting torque
2.low speed
3.High current
4.High temperature rise
5.High power factor
6.Noise

Answer / binay agrawal

motor speed will gradually down, but at below half of the
full voltage, winding can burn.

Answer / l.madhavan

motor run with low speed

Answer / gunasekaran

it is rotating very slowly

Answer / dilip dixit

WHEN LOW VOLTAGE APPLY TO THE MOTOR THAN TORGUE WILL BE
HIGHER AND FOR THIS SLIP WILL BE INCREASE AND MOTOR WILL BE
TAKING HIGHER CURRENT & BURNT AFTER CERTAIN LEVEL.

how to protect motor in dol starter having capacity of 30 hp.40 hp?

0 Answers  

We have 2 11kv/433v transformers for 2saperate acb for mv panels and 1 bus coupler acb. Suppose I’ll close bus coupler what will happen or it will be share the load. Please suggestion and any modification required.

1 Answers  

how to find ratio of CT & PT in 66/11kv 12 mva supply system ? explain with calculation.

0 Answers   Adani, Mahaveer,

What is an alternator impedance value?

0 Answers   Orchid,

What is grid collapse? what is the reason for it?

0 Answers  

1.WHAT IS A SMART CAPABLE DB ( DISTRIBUTION BOX) ? 2. HOW TO DECIDE THE TYPE OF DB TO BE USED ( RECESSED/ PLUG TYPE/ SMART ETC ETC? 3. WHAT IS MILLENEUM BUS BAR USED IN DB? 4.DIFFERENTIATE MCCB AND MCB.

0 Answers  

short notes on npn & pnp transisitor..........

5 Answers  

how and why are capacitors are used to improve powerfactor?

4 Answers  

why power of fm is weaker than am?

1 Answers  

how generator load test is conducted?what are the steps?

0 Answers  

What are the methods/types of distance protection schemes used in transmission system?

2 Answers  

Why there is restriction to generated voltage to certain limit for example (now 18kv) ?

3 Answers   College School Exams Tests,