1. Description of system

In areas with adequate wind power, wind turbines can be considered as the supplementary to combine together with solar panels, using the online complementary between solar and wind energy to improve the stability of power supply system.

When there are both solar and wind energy, solar and wind energy is prefered to power the loads and work online as complementary . when both energies are inadequate, the battery will power the loads when necessary, thus, not only prolonging the battery lifespan, but also reducing the costs of battery maintenance and replacement . 

Besides the factors concerned for independent solar systems,the local average wind speed and wind distribution should be taken into consideration when designing solar-wind hybrid power supply systems.

The disadvantage for wind power system is that the reliability of mechanical equipment is not good and maintenance cost is high.

2. Project case

China Unicom 6760Wp solar panels+4Kw wind turbine+800w loads+72 hours back-up hybrid power system in Inner Mongolia.

China Mobile 8600Wp solar panels+8Kw wind turbine+1560w loads+48 hours back-up hybrid power system in Hebei province.

3. System configuration

a. 24V solar and wind hybrid power system

List of configuration1.2m cabinet controller(XB120)2m Cabinet controller(XB200)
Central control module 1Unit 1Unit
Solar module 100A~600A 100A~900A
Wind module 100A~600A 100A~900A
Rectifier module 50A~1200A 50A~1200A
Inverter module 100VA~6000VA 100VA~6000VA
Maximum PV input 16.8kWp 25.2kWp
Maximum wind turbine input 2*5kW 4*5kW

b. 48V solar and wind hybrid power system

List of configuration1.2m cabinet controller(XB120)2m Cabinet controller(XB200)
Central control module 1Unit 1Unit
Solar module 100A~600A 100A~900A
Wind module 100A~600A 100A~900A
Rectifier module 30A~720A 30A~720A
Inverter module 100VA~6000VA 100VA~6000VA
Maximum PV input 33.6kWp 50.4kWp
Maximum wind turbine input 2*5kW 4*5kW