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Parallel  Connection UPS Module


                                           Parallel  Connection UPS Module

The 220V modular parallel UPS is an ups device that converts 220V AC/DC power into 220V/50Hz sinusoidal AC power. It allows hot plugging and parallel connection redundancy. It is a product specially designed for users with high requirements for power supply reliability and maintainability.

Main characteristics

Digital control

Using 32-bit DSP digital and high-frequency SPWM technology, it is characterized by strong anti-interference ability, high operational speed, high intelligence, high control precision and high quality of output waveform.

N+1 parallel connection redundancy design

It can form an N+1 parallel connection redundancy power supply system, in which the modules are backed up with each other, leading to high reliability and flexible configuration.

Parallel connection technology without master/slave definition

Operation and parallel connection of each module are independently controlled by the built-in DSP, so that there is no single-point failure and the current is automatically and equally distributed among the modules.

Allowing hot plugging

It allows “plug-and-play” without any parameter setting or operation, and the module automatically enters into normal working state, leading to simple and convenient maintenance and change.

Built-in bypass

User may choose inverter priority or bypass priority. 

Monitoring management

The LED panel can give out sound and light alarm upon fault, and RS485 communication and fault dry contact are provided.  

Protection function 

It has protection against input overvoltage/under-voltage, output overvoltage/under-voltage, overtemperature, and short circuit. 

High power density

Small size, light weight, 19 "wide, 1U/2U high.

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