What to do if a generator set’s engine power is too low?

When a generator set’s engine power is too low, the following methods can be used to solve this problem:

1. Increase the number of generator sets: Increasing the number of generator sets directly increases the total generating capacity, thus meeting greater load demands. This method is simple and direct, but requires consideration of the coordinated operation and power distribution between generator sets.
2. Replace with a larger-capacity generator set: If the existing generator set’s power is indeed insufficient to meet the demand, consider replacing it with a larger-capacity generator set. When selecting a new generator set, ensure its power can meet the current load demand and consider potential future growth.
3. Adjust the load: If the load demand is too high and the generator set’s power cannot meet it, consider adjusting the load, reducing unnecessary loads, thereby reducing the demand on the generator set’s power. This can be achieved by optimizing equipment usage, adjusting production processes, or shutting down unnecessary equipment.
4. Optimize generator set operation: Optimizing the generator set’s operation can improve its efficiency, thereby increasing output power to some extent. For example, regular maintenance can be performed to ensure the generator set is in optimal working condition; operating parameters such as fuel supply and air intake can also be adjusted to improve its power generation efficiency.
5. Adding Backup Generator Sets: If ensuring power supply stability is required, adding backup generator sets can be considered. This allows backup generator sets to provide additional power support when the main generator set cannot meet load demands.
6. Speed ​​Governor and Excitation Regulation: The generator set’s speed governor senses changes in generator speed and adjusts the fuel or power input to the engine. When the system load increases, the speed governor increases fuel supply or power input, thereby increasing the generator’s output power. Excitation Regulation: By adjusting the generator’s excitation current, its magnetic field strength can be changed, thus controlling the generator’s output voltage and reactive power. Although excitation regulation primarily affects reactive power, it also influences active power to some extent.
7. Automatic Generation Control (AGC) and Manual Adjustment: An AGC system is a computer-controlled automated system that monitors parameters such as system frequency, generator output power, and load demand, and automatically adjusts the generator set’s output power.

Manual Adjustment: In certain situations, such as AGC system failure or special tests, manual adjustment of the generator set’s output power is necessary. This typically requires operation of the governor, excitation system, or other control equipment from the control room.

In summary, there are multiple methods to address the problem of insufficient generator engine power. Appropriate methods can be selected or combined depending on the actual situation. Simultaneously, it is crucial to maintain the stability and safety of the power system during the adjustment process.