C9000 series modular power conversion system is designed by the company for grid level applications. It adopts three-level topology, which can realize the two-way transformation function from DC to AC and AC to DC. It has multi-machine parallel, power grid black start, VSG function, support IEC61850 communication regulations, and can meet the transmission, transmission, distribution and use of a variety of scenarios.
Application fields:It is widely used in industrial parks, shopping malls, charging stations and other occasions, and can be used with and battery to form an integrated energy storage system, and can also form multiple parallel higher power energy storage inverter or energy storage system.
Performance features:
Three-level design, the maximum efficiency of the converter is higher than 99%;
Optional STS off-grid options, support and off-grid uninterrupted switching, ensure the continuity of electricity consumption and uninterrupted production operation;
Optional uniform pressure selection, matching the unbalanced load;
Off-grid operation, there is no need to match the isolation transformer, high efficiency, energy saving;
Support PQ, VF, VSG, SVG and other functions, support the power grid black start;
Support multi-machine parallel connection, the maximum support is 2MW;
Support dynamic capacity increase, peak load shifting and valley filling, reactive power compensation, harmonic compensation and other functions;
With multiple protection, perfect fault protection function;
Advanced VSG algorithm control, excellent high / low voltage crossing ability, strong support for the power grid, can accept the power grid dispatching;
Wide battery voltage range, support a variety of battery access, support battery cascade utilization;
Support various communication protocols, including Modbus RTU, Modbus TCP / IP, 61850, etc.;
Support the linkage system with the BMS and EMS system;
Through the certification test of a variety of institutions;
High-performance DSP, optimized control circuit design, more stable system;
Small size, the standard communication cabinet width design.
Technical parameter:
System capacity: 50kW / 100kW
DC voltage: 600-900VDC
AC wiring: three-phase and three-wire wiring
Installation method: rack type
Cooling mode: air-cooled