The Voltage Sag Mitigation Device is a new type of power electronic device that utilizes the latest power electronics technology and energy storage technology. It is designed to quickly detect voltage sags and rapidly release the stored energy from the energy storage device, thereby supporting the load to ride through the voltage sag.

Key features of this device include compact size, high energy capacity, low losses, and ease of maintenance. It is specifically developed to address voltage quality issues caused by voltage sags and short interruptions in the power grid. It finds applications in industries that require high-quality power supply, such as semiconductor manufacturing, financial data centers, pharmaceuticals, chemical fiber production, rail transportation, and food processing.

By leveraging advanced power electronics and energy storage technologies, the Voltage Sag Mitigation Device efficiently detects and mitigates voltage sags, ensuring uninterrupted power supply and maintaining the stability and reliability of critical systems in various industries.

Advantages:

1. Direct Connection with Grid and Load: The device is directly connected to the grid and load in a parallel topology with an added reactor, enhancing reliability and stability.
2. Reduced Power Device Count: By minimizing the number of power devices, the device improves the efficiency and utilization of the inverter.
3. Modular Design: The device adopts a modular design, making it easy to install and maintain.
4. Convenient Maintenance and Capacity Expansion: It facilitates easy troubleshooting, capacity expansion, and allows for flexible adjustments, thereby reducing maintenance time.
5. Early Warning for Power Device Failure: The device can provide advance warning alerts in the event of power device failures, allowing for timely maintenance and replacement.
6. Transformerless Grid Connection: The device incorporates an output structure without transformers, reducing the footprint. The energy storage component utilizes supercapacitors, ensuring high density and small size.
7. Voltage Sag Protection Range: The Voltage Sag Mitigation Device offers complete compensation for voltage sags in any single-phase, two-phase, and three-phase system within the range of 0 to 90% of the nominal voltage (Un).
8. Compatibility with Load Types: The device is compatible with both three-phase three-wire and three-phase four-wire loads. It can directly accommodate single-phase loads (including unbalanced loads) as well as three-phase loads. This versatility allows for seamless integration with various types of loads, ensuring comprehensive voltage sag protection across different power configurations.

With these features, our Voltage Sag Mitigation Device offers enhanced reliability, efficiency, ease of maintenance, and flexibility in capacity adjustment. It provides advanced warning capabilities and occupies a smaller footprint while maintaining high energy density through the use of supercapacitors.