very fast switching circuit

Thread Starter

blessing mega

Joined Dec 20, 2014
14
The main idea is this, one power source is use to power my a.c electric motor so I want to change to another power source so that the load the the electric motor is powering is not affected.
 

MikeML

Joined Oct 2, 2009
5,444
How big the motor?
Motor is AC induction motor?
What voltage?
How long after the first power source is switched off will the motor spin due to inertia before you connect the second power source?
If the first and second power sources are AC, are they the same voltage and phase at the moment of switchover?

Methinks you are in way over your head...
 

MaxHeadRoom

Joined Jul 18, 2013
28,576
'Instant' reversal on a 3 phase induction motor is called 'plugging' the motor, how and when it is done depends on the HP and inertia involved, it can be very stressful on both motor and mechanics connected to motor.
More is required in the way of motor size and/or gearing and mechanism involved.
Max.
 

wayneh

Joined Sep 9, 2010
17,495
Read it again. I don't think he wants to reverse the motor, he wants to switch power sources seamlessly. Power ORing.
 
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