Products

Application

WGB-871A microcomputer-based integrated protection device apply to power distribution and electricity utilization place with voltage levels of 10kV and below, the device adopts a variety of adaptive technology and all-in-one design concept, which is convenient for engineering selection and field application.

The device can be configured flexible according to usage occasion for line protection, station transformer protection,  capacitor protection, motor protection and busbar (sectionalized) charging protection.

Line protection device apply to protect line and feeder line of 10kV voltage class and under;

Station transformer protection device apply to protect station transformer, house transformer and grounding transformer with voltage levels of 10kV and below;

Capacitor protection device apply to protect parallel capacitor installed by power distribution and electricity utilization place with voltage levels of 10kV and below;

Motor protection device apply to protect small and medium asynchronous motor below 2000 kw with voltage levels of 10kV and below;

Charging protection device apply to protect bus (sectionalized) with voltage levels of 10kV and below.

Product Feature

• The width range of the working power supply is designed and is AC and DC universal.
• Device adopt an all-in-one design concept, which built in five protection objects to support flexible switching.
• Integrated chassis design, small volume, small occupation space, suitable for various cabinet installation.
• Use graphic LCD English display, menu type operation, easy to use.
• The binary inputs adopt strong electricity design, AC and DC universal, has strong anti-interference ability
• Using independent high-precision ADC, with high protection accuracy and strong anti-interference ability.
• Have an independent measurement function, and the power measurement accuracy up to 0.5.
• Relay exports adopt matrix configuration, which can be programmed on site and easy to use.
• Operation circuits is AC and DC universal and adapted to multiple operating mechanism.
• Standard device is configured with RS485 and Ethernet communication interface, supporting multiple communication protocol such as IEC103 and Modbus.
• 8 sets of protection setting value, and is convenient to switch protection setting zone.
• Can save 400 recent report records to facilitate traceability analysis of problems.
• Support the fault recording function, which is convenient for accident analysis.