矿用一般型高压软起动柜

矿用一般型高压软起动柜，具有“KA”、“KY”；

GKGR系列矿用一般型高压软起动柜是一款标准的电机起动、保护装置，可用来控制和保护高压交流电机。GKGR软起动柜主要由以下部件组成：可控硅功率单元模块、功率单元保护单元、光纤触发单元、真空开关装置、信号采集与保护系统、系统控制与显示系统。

可控硅功率单元模块：根据电压等级和电机额定电流选择串联不同规格和数量的可控硅。

功率单元保护单元：由RC结构组成过电压吸收系统、并由均压单元构成均压保护系统。

光纤触发单元：采用光纤脉冲触发电路，保证触发的一致性和可靠性；并起到高低压电路隔离作用。

真空开关装置：起动过程由真空接触器控制主回路电源的开断，起动完成后，由真空接触器提供旁路的投入。

信号采集与保护系统：由电压互感器、电流互感器、过电压保护器、零序互感器、温度传感器等对主回路电压、电流信号、可控硅温度进行采集，由CPU控制及软件算法分析提供相应保护。

系统控制与显示系统：触摸液晶显示人机界面、系统参数设置、故障查询、历史曲线分析。

Mining general type high pressure soft starting cabinet, with "KA", "KY";

GKGR series mining general type high voltage soft starting cabinet is a standard motor starting and protection device, which can be used to control and protect high voltage AC motors. The GKGR soft start cabinet is mainly composed of the following components: thyristor power unit module, power unit protection unit,

Optical fiber trigger unit, vacuum switch device, signal acquisition and protection system, system control and display system.

Thyristor power unit module: Select different specifications and quantities of thyristor in series according to voltage level and motor rated current.

Power unit protection unit: The RC structure is composed of an overvoltage absorption system, and the voltage balancing unit is composed of a voltage balancing protection system.

Fiber trigger unit: using fiber pulse trigger circuit to ensure the consistency and reliability of triggering; And play a high and low voltage circuit isolation role.

Vacuum switching device: During the starting process, the vacuum contactor controls the switching off of the main circuit power supply, and after the starting is completed, the vacuum contactor provides bypass input.

Signal acquisition and protection system: voltage transformer, current transformer, overvoltage protector, zero sequence transformer, temperature sensor, etc. collect the voltage, current signal and thyristor temperature of the main loop, and provide corresponding protection by CPU control and software algorithm analysis.

System control and display system: touch LCD display man-machine interface, system parameter setting, fault query, historical curve analysis.

GKGR矿用一般型高压软起动柜取得的“KA”证书如下：

The "KA" certificate obtained by GKGR mining general high pressure soft start cabinet is as follows: