The communications power systems is -48V / 30A series of intelligent unmanned communication power products, phase AC input voltage is 220V (or 380V). When fully configured, the system can be installed 10 switching regulator, consisting of the maximum output of the power supply system 300A.

 

This product uses the international advanced technology rectifier transform, apply to access network equipment, the remote switching office, mobile communications equipment, transmission equipment, satellite ground stations and microwave communications equipment to provide power.

 

► Advanced rectifier module design

 

♦ rectifier with active power factor compensation technology, the input power factor greater than 0.99.

 

♦ The rectifier uses soft-switch technology, rated efficiency greater than 90%.

 

♦ rectifier compact structure, power densities up to 1280mW / cm3 (21W / in3).

 

♦ rectifier MTBF≥2.2 × 105h.

 

♦ rectifier low radiation. Electromagnetic compatibility rectifier meet EN61000, YD / T731 and other domestic standards. Conduction and radiation harassment harassment rectifier EN55022A level requirements are met.

 

♦ rectified AC input overvoltage protection modules with AC input voltage protection, PFC output overvoltage protection, PFC output voltage protection, DC output voltage protection, DC output current protection, over temperature protection and other functions.

 

♦ module drawer-type structure, easy to transport, install and maintain.

 

► highly reliable, full of smart and convenient system design

 

♦ with good electromagnetic compatibility. Communication can be a combination of power system master device without interfering with each other together.

 

♦ All intelligent design, configuration, centralized monitoring unit, with "three remote" (telemetry, remote, remote control) function, and computer management, in line with the requirements of modern communication technology.

 

♦ perfect reception monitoring and management capabilities. Can access real-time information systems, real-time alarms, alarm history. Operating parameters can be set to power, battery management parameters, communication parameters, alarm threshold set parameters to adjust the parameters of the detected value, system information parameters, password setting parameters. Can be controlled rectifier on / off and battery status. Provides RS232 / RS485 / RS422 and other communication interface for centralized monitoring.

 

♦ use of single-phase AC input, with a very wide input voltage range (85VAC ~ 300VAC), suitable for power unstable regions.

 

► Improved battery management and battery protection design

 

♦ Perfect battery management functions. Automatically manages the battery charging, charging voltage, charge current and charge time, with reliable charge and discharge control, to extend battery life.

 

♦ provide secondary power off function. When the system is turned on battery power, the battery voltage is too low and audible alarm. According to an important degree of load, the load will be cut in two groups, in order to ensure that the most important load have a longer working time.

 

► alarm function

 

♦ monitoring unit able to carry out sound and light alarm system failure, and can be reported to the background monitoring host

 

♦ alarm history record stores and has 99 operating history record

 

♦ There are four auxiliary alarm relay output