Overview This new generation of microcomputer cotolledl drec-currenat power supply panel GZDWGZTW series adopts integrated module structure, is mainly composed of monitoring module, rectifier module, insulated montoring module, battery inspection module,ACDC monitoring module, sw itching valuc monitoring module, step-down module, distribution unit, storage battery and cabinetbody, is featured with flexible configuration, stable performance, friendly interface, simple operation, itlletualizede management, ete. The products are widely applied to various power plants, transformer substations, mobile communication station, indutrial and mining enterprises, elctrified railways, airports, havens, hig-rise buildings, rsidential areas. etc, also can be used as operating and control source ofhigh-voltage sw itch, etromechanical poection, automatic device, communication equipment, SPC exchange, electric carrier and other equipment. Model and meaning Industry Standard DL/T459-2000 Specifications of D.C supply cabinet in power system DL/T637- 1997 Specification for order of the valve regulated sealed lead-acid batteries DL/T724-2000 Specification of operation and maintenance of battery DC wer supply equipment for electric power system DL/T78 1-2001 High frequency switching converter module in power system DL/T856-2004 DC electrical source supervisor for electric power DL/T857-2004 Specification of rectification inversion equipment for battery of power plant and substation DL/T5044-2004 Technical code for designing DC system of power projects DL/T5120-2000 DC System design code for small electric power project Scope of application This microcomputer controlled direct-current power supply panel RZ-GZDW-1/2/3/4 is an integrated power supply panel especially designed for users of different capacity. The system is mainly composed of monitoring module, rectifier module, AC/DC monitoring module, insulated monitoring module, battery inspection module, switchingvalue monitoring module, step-down module, is featured with stable performance, friendly interface, simple operation, intellectualized management, etc.The products are applicable to transformer substations of different voltage class, power plants, industrial and mining enterprises, electrified railways, high-rise buildings,etc, also can be used as operating and control source of high-voltage switch, relay protection and automatic device. The main technical parameters System Features 1) Two circuits of alternating-current input transfer automatically, ensuring normal running of system; 2) Wide input voltage range, strong power grid adaptability; 3) Adoption of high- frequency switching power supply technology, modularized design, N+ 1 hot standby, high reliability; 4) The rectifier module adopts live hot plug, convenient and quick daily maintenance; 5) High-accurate dynamic current sharing; independent, controlling or controlled running is available; 6) LCD screen, touch screen and colorized touch screen are available for selection, big screen with images and characters, has friendly interface, simple and convenient operation; 7)The monitor will carry out alaround monitoring and control to the running of system, it can realize system stting, informationquery, as well as"remote measurement, remote control, remote signaling, remote adjustment" four-remote function to the system through background monitoring and remote monitoring, realize unattended operation; 8)The monitor is able to control the voltage of storage battery, charging/discharging current and temperature compensation ofstorage battery accurately, has over/undervoltage and over-temperature alarm as well as fault alarm, ensuring optimum state of storage battery, prolong the service life of storage battery; 9) Functions of manual and automatic voltage regulation, as well as branch insulation detection; 10) Reliable lightning proof and excellent insulating protection measures, guaranteeing safety for system and person; 11)RS232 and RS485 two communication interfaces, and RTU, CDT, MODBUS three types of communication protocols issued by Ministry of Elctric Power for selection; 12) With expansion interface, can switch in other external equipment; 13) It can realize two groups of storage battery independent charging and discharging management by adopting a set of monitoring system, two groups of storage battery, two groups of charging device and bus segment. Note: It can be equipped with accident signal or distant signal alarm functions and inverter power, direct-current conversion module to carry out DC/AC and DC/DC conversionifit is required. See system configuration module description for detailed functions and operations.
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