How to connect generator changeover switch?

how to connect automatic changeover switch for generator

00:00 Introduction
02:18 Component explained
04:36 Main contactor control circuit
13:07 Generator contactor control circuit
21:42 Generator signal cable circuit
24:40 Contactor assembly
25:30 Main contactor control wiring
33:54 Generator contactor control wiring
37:57 Notes on main and generator control circuit
39:31 Test, connection changeover switch to generator
Learn how to properly connect a generator changeover switch in this informative video. Whether you are working with a single-phase or three-phase system, understanding the automatic changeover switch connection is crucial for engineering projects. Discover the benefits of using an automatic changeover for generators and how to ensure a smooth power changeover. Watch step-by-step instructions on how to connect an automatic voltage switch and relay for efficient power management. Don't miss out on this essential guide for seamless generator operation.

An automatic changeover switch is a set of components connected in a simple control circuit to control two (2) sources of power supplying the same load at a time.
Automatic changeover switches are used in situations where you want a second source of power to come in after the main or utility supply has gone, the second source could be a Generator or solar
In case the second source of power is Generator, when the power shuts down the changeover starts the generator automatically and also connects the load to the generator. when the main power comes back the changeover switch changes the position from the generator contactor to the main contactor and takes the generator into cooldown and then shut off the engine.

An automatic changeover switch can be either three (3) phases or a single (1)
No matter the rating, size and phase control circuit remains the same.

The generator automatic changeover switch comprises two (2) parts
Namely
Main component part and generator component part

MAIN COMPONENT includes
Timer on-delay
Relay(DC or AC)
Phase failure (single or three phases depending on the power)
The contactor ( with mechanical interlock)
Control circuit breaker

GENERATOR COMPONENTS includes
Timer on-delay
Relay(DC or AC)
The contactor ( with mechanical interlock)
Control circuit breaker

What you need for a changeover switch(VIDEOS)

Manual change over video

Other videos to watch

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[lukeskibet]

Very nice demonstrations, I wish also you would include and elaborate on generator delays.Thanks a lot

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[bonnylasu]

Thank you Sir, I'm interested about your change over switch from main power to Genset. I need to learn more about your video teaching of electrical installation about change over switch.

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[ssennonojohnmary]

Great video, no one has ever shown this! But still show how and where to connect the signal cable to the generator from main relay its ok.

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