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System Structure
PCS-9564A DVR consists of power cabinet, control & startup cabinet and super capacitor cabinet.
Power Cabinet
The power cabinet is DVR's core component, which is composed of general converter module, filter and isolation transformer. Each general converter module is composed of power semiconductor components, and the power conversion is realized through flexible series and parallel combination.
Control & Startup Cabinet
The control & startup cabinet mainly contains control unit, auxiliary circuit, bypass switch and mechanical switch. The control power supply adopts the duplicated configuration of dual power supplies. The bypass switch and the mechanical switch serve as backup protection for the whole system. When
there is a fault happens to the system, the bypass switch and the mechanical switch can be quickly closed to ensure that the power supply to loads is not affected.
Super Capacitor Cabinet
The super capacitor cabinet is mainly composed of DVR energy storage unit, which are composed of multiple super capacitor modules in series and parallel. It also contains the management system and the charge-discharge circuit of super capacitors.
