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VAAS: China Suppliers and Factory for MV and LV AC Side Protection and Voltage Regulation Solutions

Discover VAAS, a cutting-edge multifunctional electrical safety active defense device designed to tackle a variety of voltage-related issues in real time. This innovative solution, crafted by leading suppliers from China, effectively combines short-term voltage interruption support, temporary voltage drop regulation, temporary voltage rise management, load interference suppression, and three-phase imbalance correction. With VAAS, you can ensure seamless power stability and protection against power fluctuations.

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The VAAS is engineered to disconnect the power source during voltage sag for brief periods, typically ranging from 1 to 3 seconds, while simultaneously providing power to critical loads. This device not only regulates voltage dips and surges but also mitigates load interference and offers real-time monitoring of fault arcs, making it an essential tool for any electrical system.

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Constructed with precision, the VAAS comprises a thyristor bypass section, a converter section, and a supercapacitor energy storage section. The thyristor bypass component swiftly disconnects the thyristor under abnormal voltage conditions, ensuring safety. The inverter section is responsible for energy storage and output compensation voltage, while the filtering component guarantees that the output voltage complies with stringent quality standards. As a trusted factory in China, we are dedicated to delivering high-quality electrical solutions that enhance both safety and efficiency in various applications.

    Products Feature

    Maintenance free, extremely low operating costs, and no environmental pollution;

    Extremely strong overload and dynamic response capabilities;

    Very suitable for protecting impact loads;

    The failure rate is extremely low, and the equipment itself will not cause load power failure;

    No harmonic interference on the power grid or load;

    Efficiency up to 99%.

    Products Advantage

    VAAS adopts a parallel mode, which standby when the power supply is normal and works when the power supply voltage fluctuates.

    VAAS adopts various protection measures such as valve redundancy and fast bypass to ensure safe load operation and high reliability.

    Supercapacitor constant current and constant voltage isolation charging technology for fast charging.

    Distributed control and optoelectronic isolation technology for power converter modules, synchronous coordination, and natural redundancy.

    Phase automatic tracking technology, Same phase and same amplitude cut in.

    Phase automatic tracking technology, Flexible and disturbance free standby after sag ends.

    1ms response time and the most precise equipment can safely overcome sag.

    Detail Pictures

    VAAS for MV and LV AC side protection
    VAAS for MV and LV AC side protection
    VAAS for MV and LV AC side protection

    Frequently Asked Questions

    Q: What is the operating efficiency of VAAS?

    VAAS is designed for maximum energy conservation, achieving an operating efficiency of up to 99%.

    Q: How fast does the VAAS system respond to voltage fluctuations?

    The system features an ultra-fast response time of 1ms, allowing even the most precise equipment to safely overcome voltage sags without disturbance.

    Q: What mechanisms ensure the safety and reliability of VAAS?

    VAAS uses various protection measures, including valve redundancy, fast bypass, and distributed control with optoelectronic isolation technology for power converter modules to guarantee natural redundancy and safe operation.

    Q: Does VAAS introduce harmonic interference to the grid?

    No, the VAAS system operates without causing any harmonic interference on either the power grid or the connected load.

    Q: What charging technology does the system utilize?

    VAAS utilizes advanced supercapacitor constant current and constant voltage isolation charging technology to achieve safe and fast charging.

    Q: How does VAAS handle phase alignment during power transitions?

    By employing phase automatic tracking technology, the system ensures a same-phase and same-amplitude cut-in, as well as a flexible, disturbance-free standby transition when a sag ends.

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