1. High quality and excellent performance 2. Wall-mounted design, small size, light weight 3.CE and EMC certificate The main characteristics1. adopting switch power unique modularization design, redundant hot standby2. extra-wide voltage input range, strong applicability for power...

1.hydropower station, power plant, substation 2.protection and measuring control system 3.DC electric cabinet.    Charging moudle & discharging are combined in a machine cabinet, generally equipped with 3 to 6 charging modules of which can be chosen based on...

1. Safe and reliable 2. High quality and competitive price 3. With function of "four remotion".     YD-380 transformer backup monitoring and controlling protection device is used to protect, measure and control the backup protection for transformer with...

1. advanced design and technology. 2. LCD screen 3. easy installation and maintance      YD-370 monitoring and controlling protection device for Busbar section is used to switch-on and protect the busbar section switch with voltage 35kV and below. The two-level...

1. simple and easy operation. 2. has functions of tele-control, tele-metering, tele-signaling and tele-adjusting. Product features1. liquid interface, editing functions, friendly interface, and simple operation.  and anti-vibration design.  2. high stability...

1.based on mico-computer control 2. hot sell 3.GB and IEC 225-22-4 standard     YD-860 micro-ocmputer based monitoring and controlling protection device for busbar sectioning integrates protecting, measuring and controlling, which can be used to switch, measure and...

1. support DL/T667-1999(IEC 60870-5-103) protocol 2. LED display      YD-870 micro-computer based transformer differential protection device integrates protecting, measuring and controlling, which can be used to measure and control the differential protection and...

1. Widely used to realize backup protection for turbo-generator, hydro-generator and gas-burning generator. 2. Safe and reliabl    YD-851 micro-computer based generator backup relay protection device integrates protecting, measuring and controlling, which can be used to...

1. well received and hot sell 2. stable operation 3. generator protection relay     YD-850 generator main protection device integrates protecting, measuring and controlling, which is suitable for main protection for turbo-generator, hydro-generator and gas-burning...

1. modularization design 2. strong communication capacity 3. supporting various generally applied communication protocols .      YD-852 microcomputer based generator rotor protection device integrates protecting, measuring and controlling, which can be used to...