滨力工频UPS不间断电源工作方式

  滨力工频UPS正常运行时,整流器将交流输入电源转换为直流电源，再通过逆变器将直流电源转换为交流输出电源，蓄电池组通过浮充系统充电。

当交流电源断电时，蓄电池组的直流电源通过逆变器转换为交流电源供给用电负荷。当交流电源恢复时，系统自动切换到正常运行方式。

为便于逆变器的维修,系统应有切换功能以便于逆变器退出。逆变器包括-一个同步电路以保证其有和正常电源相同的输出频率。这种切换应当在不断电的情况下通过一一个高速切换装置(静态开关)完成。

滨力UPS主机包含整流器、逆变器、静态旁路开关、手动维修旁路开关、通信接口软硬件(接口包括: RS- 232/485及干接点报警接口等，可实现远程监控)。

滨力UPS必须具备整流器电流电压软启动功能，避免因整流器启动所产生的过大电流造成前端配电增大负荷。

必须配备有中/英文LCD液晶显示器，显示各主要电量参数。

电池组开关必须使用的直流开关(带低压联锁功能)而不能用交流开关替代。

When the shore frequency UPS runs normally, the rectifier converts the AC input power into DC power, and then converts the DC power into AC output power through the inverter. The battery pack is charged through the floating charge system.

When the AC power supply is off, the DC power supply of the battery pack is converted to the AC power supply through the inverter to supply the power load. When the AC power supply recovers, the system automatically switches to the normal operating mode.

In order to facilitate the maintenance of the inverter, the system should have a switching function to facilitate the exit of the inverter. The inverter includes a synchronization circuit to ensure that it has the same output frequency as the normal power supply. This switching should be done by a high-speed switching device (static switch) under constant power.

Bini UPS host includes rectifier, inverter, static bypass switch, manual maintenance bypass switch, communication interface hardware and software (interface including: RS-232/485 and dry contact alarm interface, remote monitoring can be realized).

The shoreline UPS must have the soft start function of the rectifier current and voltage to avoid excessive current generated by the rectifier startup to increase the front-end distribution load.

Must be equipped with Chinese/English LCD LCD display, display the main power parameters.

The battery pack switch must be a DC switch (with low voltage interlocking function) and cannot be replaced by an AC switch.