High Frequency Switching DC power supply system

High Frequency Switching DC Power Supply System The capacity of  high frequency switching DC power supply system includes 38AH ~ 1500AH of various specifications, and the voltage includes 220VDC, 110VDC, 48VDC. In addition, we also undertake DC power system of specific capacity and voltage. Application : The products are mainly used in power system, like power plant, hydropower station, substation equipment, and other DC venues. It is for closing the power switch cabinet and the second sub-circuit, apparatus, meters, relay protection, emergency lighting lamps occasions.    Features :l         monitoring  function, high intelligent,strong, sound and light alarm system .l         scattered multi-stage monitoring system, the realization of the monitor system is simple, reliable; Digital                       control mode, rectifier module insulation monitor ,battery inspection apparatus and all other monitoring unit                are using digital control technology, makes the system to realize the function module of the comprehensive                monitoring modulel          system of intelligent control with RS232/485 intelligent data communication interface, the CDT electrical                     standards or MODBUS communication protocols, convenient access automation system, the whole system                 design by unattended decentralized structure design, data local sampling, digital signal remote                                      transmission, simple maintenancel          reliable operation of automatic management and automatic battery maintenance; Monitoring the voltage of the             battery pack to realize that the discharge current, monomer the operation of the system operation, as well as              to monitor every nodel         Using the latest high-frequency harmonic switch technology, modular design, charging devices using few                  frequency switchs module in parallel, N + 1 heat backupl         high frequency electric plug rectifier module is integration interface, and improve the system stability and                      reliability rectifier module use drawer-type installation,  convenient installation,l         use safety module bring their own monitor, with liquid crystal display window, the real meaning of the man-                  machine dialoguel         high frequency rectifier module hardware low independent all flow, to ensure the reliable operation of the            system   Parameter : input voltage: 380 V ±15%power grid frequency: 50 Hz ac ±10%output current level: 10 A ~ 320 Abattery capacity: 10 AH ~ 3000 AHrated output voltage: 220 V / 110 Voutput voltage range: 198 V ~ 286 V / 99 V ~ 143 V continuous adjustableoutput current limit: rated current (10% ~ 110%)module rated output current: 5 A, 7 A, A 10, 20 A (220 V system); 20 A, 40 A (110 V system)voltage accuracy: ≤0.5%steady flow precision: ≤0.5%ripple coefficient: ≤0.1%efficiency: ≥91%output over-voltage protection: 295±5 V / 155 V±2 Voutput own-ed voltage protection: 190 V±2 V / 85± V 2 Vinsulation resistance:  ≥10 Minsulation intensity: output grounded, input grounded ,input to output 2KVAC put, 1 min no fly arc ,no flash collateralshumidity: 90%altitude: 1000 Mseismic intensity≤ 7environment temperature: -5°C~45°C noise: self cooling≤40dB , air cooling≤55dBProtection level: ≥IP30