Dol Starter Control Connection

A dol starter or direct on line starter or across the line starter is a method of starting of a 3 phase induction motorin dol starter an induction motor is connected directly across its 3 phase supply and the dol starter applies the full line voltage to the motor terminals. This video covers the tutorial on direct online starter. All connection i shown with complete guide.
dol starter control connection

Dol Starter Direct Online Starter Diagram Working Principle

Wiring Diagram Dol Starter Diagram Base Website Dol Starter

Motor Control Direct On Line Starter Electric Equipment

The wiring connection of dol starter with start and stop buttons is shown in figure below.

Dol starter control connection. Cheap dol starter dcsremotelocal startstop where we should usethe name dol is called as direct online starter. Generally the direct online starter working can be done in two different stages namely dol starter control circuit and dol starter power circuit. What is dol starter. Some of the pump application like emergency backup pumps firefighting pumps etc.

I having 2 hp motorpump by using dol starterin starter again and again relay was damaged the realy setting value is 27 its range is 25 40the motor we are using for chemical water draining. Less than 10 hp motor we can use dol starter. Overloadindicator and power wiring diagram. I checked continuity to l ll body its ok but when i started the motor in fraction of seconds the relay fused out what the reason i cant find it please tell me and suggestion me.

The dol starter main terminals are connected between the mains supply terminals and motor terminals while the control circuit is energized with two terminals of three phase supply as illustrated in figure. I dol starter wiring connection with start and stop buttons are shown in the above figure 1. Working of dol starter. In the above three phase dol starter wiring diagram.

We hope this video will be helpful to begineers technicians. In this article we will discuss dol starter direct online starter working principle and construction dol starter diagram control diagram power circuit and wiring single 3 phase starter direct on line is the simplest and cheapest method used for starting three phase motor. Dol starter connection dol starter control. The dol starter joints the 3 phase main wiring with the induction motor namely l1 l2 and l3 when the start switch is pressed.

In the below dol starter wiring diagram i shown a molded case circuit breaker a magnetic contactor normally open push button normally close push button switch thermal overload relay motor trip indicator and 3 phase motor. Between the mains supply terminals and motor terminals the dol starter main terminals are connected and with the two terminals of the three phase power supply as described in figure 1 the control circuit is energized. The 3 phase dol starter wiring diagram is shown below. Dol starter motor connection dol.

We have covered the concept of power wiring control wiring of dol starter. I have used the same setup upto 125 kw. Despite this direct connection no harm is done to the motor.