The importance of transfer switch for commercial diesel generators 2

This article continues to introduce the important use of transfer switches for commercial generators.

Types of commercial transfer switches

Switches are classified based on how they switch between different power sources. When choosing a commercial transfer switch, consider electrical loads as some transfers are safer for certain loads. Here are some types of transformations worth considering:

Open transition: An open transition switch disconnects from a source before connecting to a new source. For example, when power is restored after a power outage, an open transmission switch completely disconnects from the diesel generator before reconnecting to the main grid. When the reconnection is too fast, these transitions are beneficial for perturbed loads.

Closed transition: Closed switching switches are the opposite, ensuring connection to a new source before disconnecting from the current source. In this case, the switch will be connected to the restored power grid before disconnecting from the diesel generator. There is a closed transition, a brief period where your load is connected to two power sources. This conversion is beneficial for loads that are unlikely to experience power supply interruptions, such as in hospitals.

Delay transition: These conversion switches are a type of on/off switch, although they have a longer intentional delay before switching the power supply. Delay transition switch is a switch that is resistant to power changes, making it an ideal choice for loads carrying industrial equipment that requires more time to restore power.

Manual relative automatic transfer switch

The conversion operation is automatic or manual. Both types of switches are beneficial for certain power needs, so comparing these two types of switches is important for determining which switch is most suitable for your business. One requires manual operation, while the other runs automatically. So, what impact will this have on your company, and what impact will it have on your power supply?

Manual transfer switch

The manual switch can be manually turned on or off. So, when you have a power outage, someone must actually turn on the transfer switch so that it can transfer your electrical load to your diesel generator. When you want to return to the power grid, you must manually make that switch. Manual switches are usually easy to operate and usually require moving the lever from one position to another.

Manual switches are cheaper than automatic switches, although they are less convenient and also a burden in many applications. With these switches, there will be an inherent delay between switching to power, as you are unlikely to have people standing next to the switches frequently. In applications such as healthcare or data centers, even brief delays during transition periods can pose serious safety or security risks. If your business can withstand a delay until you turn on the switch or operate in an area with few faults, you can use a manual switch.

Automatic transfer switch

An automatic transfer switch automatically switches between power sources. The automatic switch senses power interruption and automatically notifies the diesel generator to turn on, and vice versa. These more advanced devices bring more convenience at a higher cost. However, for most businesses, the additional costs are worth it, especially those that cannot afford the security risks associated with downtime or delays between supply transitions.

Automatic transfer switches are more advantageous in many situations, especially if your business operates in an area prone to power outages.

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