Is It Necessary To Use A Transfer Switch With Parallel Generators?

Benefits of Using a Transfer Switch

Using a transfer switch with parallel generators provides several benefits. First, it ensures a safe transition between grid and generator power, preventing backfeeding into the grid and potential electrical shock. This is achieved by automatically disconnecting the generator from the load when grid power is restored, and vice versa. Additionally, a transfer switch can help prevent generator overload, as it only allows the generator to supply power to the load when the grid is unavailable.

Choosing the Right Transfer Switch

When selecting a transfer switch for use with parallel generators, consider the following factors: the total power output of the generators, the type of load being powered, and the desired level of automation. For example, if you have two 20 kW generators running in parallel, you’ll need a transfer switch rated for at least 40 kW. It’s also essential to choose a transfer switch that can handle the specific type of load you’re powering, such as 240V or 120/240V loads.

Installation and Configuration

Proper installation and configuration of the transfer switch are critical for safe and efficient operation. Make sure to follow the manufacturer’s instructions and local electrical codes when installing the transfer switch and connecting it to the parallel generator kit. It’s also essential to configure the transfer switch to work seamlessly with your generator control panel and load management system. This may involve setting up custom transfer switch settings, such as the delay between grid and generator power transitions, and configuring the transfer switch to communicate with other system components.