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What Is a Standby Backup Generator?

A standby generator is an electrical backup system that provides a quick energy supply (5-10 sec delay) in case of the mains power supply cut-off. Once the in-built sensor records a drop in electricity supply, the backup generator turns itself on and operates until the power is restored, at which point the generator shuts down automatically until the next power shortage.

Depending on the specified system, a backup generator can power anything from industrial machinery, data centres, air conditioning systems to complete buildings and everything connected to their mains supply. In some cases, a standby generator might be required by building codes for critical safety systems such as elevators, fire protection systems, or medical and life support equipment.

Standby generators are typically placed outside and depending on the generator can occupy as little room as a single wooden pallet. Generators are enclosed in weatherproof containers, meaning that their ability to operate will not be affected by any external factors such as moisture or temperature fluctuations. In addition, the steel enclosure contains a layer of soundproofing material to ensure that noise levels are kept to a minimum once in operation.

Depending on a generator, it can run scheduled self-tests that provide performance data to the maintenance hub, or it can be looked after by one of the dedicated maintenance technicians. This ensures that the on-site system is always ready to react to an outage.

A typical JCB generator runs on diesel, but other fuel options such as natural gas, or liquid propane gas are also available. The fuel choice is highly impacted by its availability in the region of operation. In cases of prolonged energy outage, emergency generators can run for hours, days or even weeks, so it is important to have access to sufficient fuel to keep the generator running.

Here at Scot Industrial Air, we stock a large range of standby generators and can assemble a backup power system for any specification. Contact your local office to discuss your power needs.

The Difference Between Prime Backup and Standby Generators

While prime and standby backup generator definitions are the most popular, there are also other rating definitions that can vary between generator manufacturers. The important thing to understand is that all generator ratings simply indicate varying overload and operation duration limits.

  • A Prime Power Generator or otherwise known as Continuous Power Generator is meant to provide a varying electrical load for an unlimited amount of time. A tolerable power overload is 10% for 1 hour out of 12 operational hours in a single interval.
  • A Standby Power Generator otherwise known as Limited Time Running or Emergency Backup Generator is used to provide a varying electrical load for a short duration until the mains power supply is on. Standby rating generators do not tolerate any overload. The average load for the applied circuit should not exceed 70% of the specified system capacity.

Working With Scot Industrial Air

Scot Industrial Air is one of the leading standby backup generator suppliers in the UK. Offering a wider range of power solutions from global brands, we can offer robust energy solutions for any application.

No matter if you require stationary or portable, primary, or a backup energy source, Scot Industrial Air team can assemble a solution that meets your company’s needs. If you need a reliable energy backup solution for your business, then contact our team of specialists who will help you to specify the right solution.