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Power Quality Correction Products
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Main Products:
Power Quality Analyzers&Power Quality Correction Products
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Product information

The RUHSTRAT OLIVER AVC voltage optimization equipment operates like an online system and provides a new type of unstable power supply protection. This system can correct voltage offsets in real time (response time 140μs, correction time <5ms, usually within 2ms). Moreover, it is easier to integrate into industrial facilities than uninterruptible power supply equipment. Compared with uninterruptible power supply equipment, the short-circuit capacity of the power grid basically does not change, and existing protection devices such as fuses and circuit breakers can continue to operate.


Working Principle: 

The online voltage regulation system is composed of a rectifier, an inverter, a bypass protection thyristor switch, and an injection transformer. Whether in normal operation or when a voltage sag occurs, the system is online in real time. When a voltage sag occurs on the system side, the rectifier and inverter inside the equipment will generate a corresponding compensation voltage and inject it into the original power supply system through the injection transformer, thereby achieving the purpose of online voltage sag regulation. When an internal fault occurs in the online voltage regulation system, the bypass protection thyristor switch will quickly (at the microsecond level) cut off the regulation system and isolate it from the power supply system.

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