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A Guide to Load Management for Your Power Generator


Commercial power generators, also known as gensets, are critical to many commercial and industrial applications, supplying reliable, clean standby power when the grid goes down as well as to remote locations. Load management is a critical process that ensures your generator stays online and is not overloaded by demand.



What is the process of load management?

Every standby power generator has a set capacity and cannot supply power above that limit – this is called it’s load capacity. When the generator nears or reaches that limit, it will start shedding the load by cutting off power to equipment/utilities or shutting down completely. Load management is a process of monitoring the demand on the power generator and preventing too many high-demand loads from operating at one time, thereby preventing an overload. This is usually achieved through a mart controller integrated with an automatic transfer switch and external relay modules which allows the controller to turn loads on and off as programmed or as required.
  • Priority loading: This is the process whereby equipment and utilities are ranked according to how critical they are to business operations – for example, temperature-controlled storage, data centre servers, kitchen equipment or manufacturing equipment. This key equipment can then be prioritised for standby power and lower priority equipment can be taken off the genset when demand gets too high.
  • Gensets running in parallel: Load management is a critical necessity where power generators are operating in parallel, especially in the event of maintenance or repairs. This way, priority equipment can continue running even when one standby power generator is down, even though more low priority equipment will be offline.
Additional benefits of load management for commercial and industrial gensets

There are other benefits to effective load management for standby power gensets in commercial and industrial applications, including:
  • Improving power quality through load bank control – When loads are below a determined limit, the load bank can be activated to ensure optimal genset operation.
  • Load relief – When a single power generator can be connected to the bus without becoming overloaded. Loads can then be added individually at scheduled times to allow voltage recovery and overall frequency. 
If you are looking to invest in a standby power generator for your business, the team at Energy Power Systems Australia can assist you. We’re the CAT engine dealer for Australia, Papua New Guinea and the Solomon Islands, offering a wide range of marine, commercial and industrial power gensets for every application, including refurbished used power generators. For more information, please contact us today.
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