Products

WGB-650A Series motor protection device (Hereinafter referred to as the device) mainly applies to protect and measure-control middle-high voltage asynchronous motor of 10kV voltage class and under. WGB-651A Microcomputer-based motor protection device is used to protect medium-and-small sized asynchronous motor below 2000kW; WGB-652A Motor protection device is used to protect larger asynchronous motor above 2000kW. It can be directly installed in the high voltage switch cabinet or installed in a screen body.

Function configuration

• The device has universal AC-DC Input Power, which has a wide adaptability :

Device has universal AC-DC auxiliary power supply; the maximum input voltage is 500V, suitable for all kinds of complicated power               supply place;

Device has universal AC-DC operation circuit and binary input circuit power supply, which can apply to AC or DC power supply                       system.

• The current input range of the device is wide, 5A and 1A are universal, user selection and application range are wide.
• The device has powerful communication function, standard device configure two Ethernet and two RS485 communication interface and convenient for multiple networking mode, device has flexible communication, which support IEC61850 (optional), IEC-103, TCP-103, IEC-104, MODBUS-RTUand other communication protocols, facilitate communication with a variety of convenient networking with various microcomputer monitoring or the protection and management.
• Thedevice has rigorous time synchronization, which supports network time synchronization, PPS, PPM or B codes and other time synchronization mode.
• Using dual 32-bit high performance embedded microcomputer processor, RAM and flash memory with large capacity; using SOC solution, which greatly enhanced the capability of data processing, logic operation and information storage and advanced operational speed and reliability.
• The device uses 16 high precision A/D for data acquisition, collecting 64 points per cycle, which has high measuring accuracy.
• Back inserted and drawn modules, strong and weak electricity separation; enhanced unit chassis designed for resisting strong vibration and interference, which can be scattered installed on the switch
• The device can keep more than 400 recent events record and operation record, can keep recording data of 5 times faults occurred recently.
• Ithas liquid crystal display, English display and menu operation.
• Real-timemultitasking operating system, modular programming; real-time, high reliability.
• Thereare 8 sets of protection setting value, which are safe and convenient to switch.
• Device has rich resource of binary input and Binary output, up to 30 channels Binary input and 16 channels Binary output, standby relay output is not less than 6, base which it is convenient to extend or control signal output.
• Devicehas complete operation circuit and remote controls of circuit breaker.
• Highintegrated degree: device has protection, measure, control and other function.