Comparison Between Soft starter With D.O.L. Starter

Sr.
No.

parameter

Soft
Starter

Direct
On Line (DOL) Starter

1

Starting

Smooth starting, no jurks.

Starts with jurks.

2

Current peak

Low.

Very high (6 to 8 x motor current)

3

Maintenance

Zero.

More.

4

Voltage dip

Negligible.

Causes flickering of lights.

5

Starting torque

Variable.

Uncontrolled, so huge mechanical stresses on equipments.

6

Energy saving

Saves energy.

Affects M.D.