China VAAS Factory Suppliers: Multifunctional AC Protection Device for MV and LV with Real-Time Voltage Management

The VAAS is a cutting-edge multifunctional electrical safety device designed to provide active defense against voltage issues. It integrates several essential features, including voltage short-term interruption support, voltage drop regulation, voltage rise regulation, load interference suppression, and three-phase imbalance correction. This innovative solution enables real-time management of power fluctuations and voltage interruptions, ensuring uninterrupted operation.

Specifically, the VAAS can quickly disconnect during voltage sags, typically for a duration of 1 to 3 seconds, while continuing to supply power to connected loads. It effectively mitigates voltage sag, manages voltage spikes, and eliminates load interference, all while offering real-time fault arc monitoring for enhanced safety.

Manufactured in China, the VAAS comprises a thyristor bypass section, a converter section, and a supercapacitor energy storage section. The thyristor bypass section rapidly disconnects the thyristor in cases of abnormal voltage, while the inverter section stores energy for subsequent voltage compensation. The filtering system ensures that the output voltage on the load side meets stringent performance requirements. As a reliable product from trusted suppliers and a leading factory in the industry, the VAAS stands out as a vital solution for electrical safety in modern applications.

Product Detail

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

Frequently Asked Questions

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

VAAS operates in a parallel mode. It remains in standby when the power supply is normal and automatically activates to protect the load when voltage fluctuations occur.

Q: What is the response time of the VAAS system during a voltage sag?

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

Q: What makes the VAAS system highly reliable and safe for load operations?

It utilizes multiple protection measures, including valve redundancy and fast bypass, alongside distributed control and optoelectronic isolation technology to guarantee safe load operation and maximum reliability.

Q: Does the VAAS system cause any harmonic interference on the power grid?

No, the system is designed to generate zero harmonic interference on both the power grid and the connected load.

Q: What type of charging technology does this system use?

It employs supercapacitor constant current and constant voltage isolation charging technology, which ensures fast and safe charging.

Q: What is the operational efficiency and maintenance requirement of the system?

The system is maintenance-free with extremely low operating costs, offering an exceptional efficiency rate of up to 99% without causing environmental pollution.