How to Store Excess Power from Solar Panel System for Future Use
If you work in the solar industry, you may have received enquiries from your customers looking for alternative ways to store and use surplus AC power generated by their solar system, other than sending it back to the grid in exchange for minimal rebates.
MEAN WELL has recently introduced BIC-2200 bidirectional power supply that is particularly beneficial to this application.
What is Bidirectional Power Supply?
Bidirectional power supply is a device that can receive excess AC power generated by the solar system and then convert and send this power in DC form to an energy storage system (battery). This function is reversed in periods of heavy power use, where the bidirectional power supply then converts stored DC to AC power to supply the household power needs. (see illustrations below)
BIC-2200 converts AC to DC power for storage
BIC-2200 converts DC to AC power to run household appliances
Benefit of Incorporating a Bidirectional Power Supply in Home Energy Storage System
The common components of a household energy storage system are batteries, inverters, chargers, and control systems.
While in most cases these four elements can do the job, adding the bidirectional power supply in the loop will make the energy storage system more efficient.
The bidirectional power supply provides dynamic control into the system that results in efficient energy storage with reduced wasted power, therefore maximising the use of harnessed solar power. When set and installed correctly, the bidirectional power supply enables the existing control system to reach its full potential. Optimal performance is achieved only when both the controller and the bidirectional power supply work together seamlessly.
Features of MEAN WELL BIC-2200
The MEAN WELL BIC-2200 is a 2.2 kW bidirectional power supply that features a fully digital, space-saving 1U low profile design with energy recycling capabilities. It streamlines the transfer of power between AC and DC grids, enabling battery manufacturers to charge and recycle energy within a single unit efficiently.
Active current sharing
Remote On/Off control
CANBus model compatibility
93% conversion efficiency for both AC/DC and DC/AC conversion
Ultrafast switching time of 1ms
CB/YUV/UL 62386-1 and CB/TUV 62477-1 certified
Active current sharing of up to 19800W (up to 9 units)
Complete protections: anti-islanding protection, AC fail protection, DC OVP, OLP, OCP, OTP
Can be applied to a three-phase AC power system
5-year warranty
Applications of BIC-2200
The BIC-2200 is ideal for energy management and conservation and can be used for situations requiring peak load shaving and power grid stabilisation through its energy recycling feature. MEAN WELL BIC-2200 is also suitable for the following:
Battery cell formation and grading
Marine battery charger module
Electric scooter or electric vehicle (EV) charging stations
Wastewater treatment systems
Electrolysis systems
Energy storage systems
Vehicle-to-grid (V2G)
Laser systems
If you require more information, please contact our team for technical assistance.
