A DOL or direct on line starter works by connecting the motor terminals directly to the power supply when they are energized. A DOL starter is the simplest type of motor starter.
The answer is yes. I had seen 110kW pump start on DOL starter
DOL starters are used in industries in-spite of its disadvantages because it is the simplest form of a motor starter. A DOL starter consists of a MCCB or circuit breaker, contactor, and an overload relay that is used for protection.
DOL, Star Delta, Soft starter, VFD
with the help of senser
There is a link below for the DOL starter circuit.
function of dol stater
DOL or Direct On Line is used when referring to induction motor starters. The simplest and most common type of motor starter is the Direct On Line. Some examples where a DOL starter would be used can include water pumps, compressors, conveyor belts and fans. A DOL starter can only be used if the sudden inrush of the motor starting does not cause voltage to drop excessively in the supply circuit.
for smooth operation and also to reduse starting current
DOL, Star Delta, Soft starter, VFD
If the application is high starting torque, then go for star delta or soft starters. If not DOL will do.
Direct on line starter and Heavy direct on line starter...... in HDOL CT is fixed.