礦用一般型高壓軟起動柜，具有“KA”、“KY”；

GKGR系列礦用一般型高壓軟起動柜是一款標準的電機起動、保護裝置，可用來控制和保護高壓交流電機。GKGR軟起動柜主要由以下部件組成：可控硅功率單元模塊、功率單元保護單元、光纖觸發(fā)單元、真空開關(guān)裝置、信號采集與保護系統(tǒng)、系統(tǒng)控制與顯示系統(tǒng)。

可控硅功率單元模塊：根據(jù)電壓等級和電機額定電流選擇串聯(lián)不同規(guī)格和數(shù)量的可控硅。

功率單元保護單元：由RC結(jié)構(gòu)組成過電壓吸收系統(tǒng)、并由均壓單元構(gòu)成均壓保護系統(tǒng)。

光纖觸發(fā)單元：采用光纖脈沖觸發(fā)電路，保證觸發(fā)的一致性和可靠性；并起到高低壓電路隔離作用。

真空開關(guān)裝置：起動過程由真空接觸器控制主回路電源的開斷，起動完成后，由真空接觸器提供旁路的投入。

信號采集與保護系統(tǒng)：由電壓互感器、電流互感器、過電壓保護器、零序互感器、溫度傳感器等對主回路電壓、電流信號、可控硅溫度進行采集，由CPU控制及軟件算法分析提供相應保護。

系統(tǒng)控制與顯示系統(tǒng)：觸摸液晶顯示人機界面、系統(tǒng)參數(shù)設置、故障查詢、歷史曲線分析。

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礦用一般型高壓軟起動柜取得的“KA”證書如下：

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