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Considering the size of the load and the operating status of Gensets, sometimes it is necessary to parallel Gensets. If you want to increase the elasticity of the backup power supply, or because the load is too large, you can consider using two or more units in parallel as a backup power supply. In some cases, because the proportion of inductive load in the load is relatively large, the power required during start-up is large, and the power is small during normal operation, which causes the low-load operation to be very unfavorable to the unit. At such situation, we need to consider start-up with paralleling gen sets then switch into the mode of running in stand-alone mode after start-up.

According to the load size, the Gen-sets will be automatically paralleled or disengaged and then shut down. This will achieve better economic benefits and maintain a good operating state of the Gen-sets and achieve flexible power supply.
1. Several voltages range for parallel: 380-440V for 50HZ and 190-240V & 380-480V for 60HZ
2. The parallel capacity is very large. Generally, the power range is from 10kVA-3800kVA, which can realize 256 units for parallel operation at most.
3. Power supply is very flexible. The quantity can be decided to start according to loading capacity
4. The load distribution mode is flexible. The Gen-sets can be started or stopped according to loading capacity.
5. Automation is very high. It integrates the protection, measurement, remote control, remote signaling, telemetry and signal of the electrical system to realizes the comprehensive automation. of the electrical system with the function of protection and alarm signal and transmitted to the control center.

1. Large capacity fuel tank
2. Various power distribution cabinets
3. Remote monitoring and operating system.
4. Machine room design
5. Container customized
1. Professional equipments for Gensets parallel.
2. Optional diesel engine parallel module (US GAC) parallel system or high integrated controller (DEIF) digital parallel system.
3. Manual / fully automatic multiple units parallel and centralized control, which is easier to operate.
4. Automatically average active load, reactive load and load imbalance ratio adjustment.
5. Automatic peaking input, which can adjust the number of Gen-sets inputs according to load capacity changes.
6. Automatic frequency tracking and automatic synchronization control.
7. No difference distribution in active and reactive loads.
8. Soft loading and unloading.
9. Reverse power, super power detection and shutdown protection.
10. Short circuit and over current protection.
2017, Angola, 3 units
2017, Indonesia, 2 units
2014, Honduras, 6 units
Lees is a worldwide company
specialized in the manufacturing of a wide range of generator sets, from 8kVA to 4000kVA.



 Factory address:
No.312 National highway, Huishan
District, Wuxi, China, 214000
LEES Guangzhou Showroom Address:
No. 310 Huanshi Middle Road, Yuexiu District, Guangzhou, Guangdong, China (EfawSale Global Exhibition and Trade Marketing Center)
  0086-510-85168446
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