Writer：SHILIDER Pubdate： 2023-05-11 11:05:09Update： 2023-05-11 11:05:09
SHILIDER Shilider Technical Engineer
A generator is a device that converts mechanical energy into electrical energy. When choosing a generator, we often hear about the concepts of standing load power and standby power.
They are important indicators of the performance of a generator, but many people do not understand the difference between these two concepts. This article will introduce the difference between standing and standby power from several aspects in detail.
Standing power is the maximum power that a generator can continuously output under normal operating conditions. Standing power is the maximum power that can be output by a generator under continuous operation. Generally speaking, the standing load power is calculated on the basis of the rated power, which is usually 80% to 100% of the rated power.
Standby power is the maximum power that can be output by the generator in a short period of time (usually within 1 hour). The standby power is generally calculated on the basis of the normal load power, usually 150% to 200% of the normal load power. 2.
The application scenarios for normal and standby power are different.
Standing power is usually used for long, stable and continuous loads, such as in factories, offices, shops and other places where power is required for a long period of time. In these locations, generators are required to supply power steadily over a long period of time to meet normal production and living requirements.
Standby power is then used for short-time, urgently needed loads, such as lifts, air conditioners, motors and other high-current loads at start-up. In these cases, the generator needs to output more power for a short period of time to cope with the instantaneous high-current load demand.
The calculation methods for standing load power and standby power of generators are different.
The calculation method for standing load power is: standing load power = rated power of the generator × standing load power factor
The normal load power factor is generally 0.8 to 1.0, which means that the normal load power is generally 80% to 100% of the rated power of the generator.
The back-up power is calculated as: Back-up power = Normal load power × Back-up power factor
The standby power factor is generally 1.5~2.0, which means that the standby power is generally 150%~200% of the normal power. 4.
Normal load power and standby power are important indicators of generator performance.
The standing load power is the main indicator of the generator's output capacity. If the standing power is insufficient, it will not be able to meet the needs of the load, resulting in equipment failure or production stoppage.
Standby power is a measure of the generator's ability to cope with large momentary loads. If the standby power is insufficient, it will not be able to cope with momentary large loads, resulting in equipment failure to start or power failure.
Therefore, when selecting a generator, you need to take into account the actual requirements and consider a number of indicators such as standing load power and standby power to ensure that the generator can meet the actual needs.
The last point I would like to make is that standing load power and standby power are important indicators of generator performance. Standing power is the maximum power that can be output continuously under normal working conditions; standby power is the maximum power that can be output in a short period of time. The two are calculated in different ways and have different application scenarios. When selecting a generator, several indicators need to be taken into account to ensure that the generator can meet actual needs.
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