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高低壓成套電氣設(shè)備:變頻器控制電路的組成

發(fā)布時(shí)間:2024-06-27 來(lái)源:http://xingthink.com/ 瀏覽量:

變頻器在許多電氣設(shè)備中是必不可少的組件,像配電柜,控制柜,一些電氣控制柜中,都有有變頻器的存在。

Frequency converters are essential components in many electrical equipment, such as distribution cabinets, control cabinets, and some electrical control cabinets.

接下來(lái),跟著高低壓成套電氣設(shè)備廠家一起了解一下變頻器的控制電路的組成與相關(guān)特性:

Next, let's follow the manufacturers of high and low voltage complete electrical equipment to understand the composition and related characteristics of the control circuit of the frequency converter:

變頻器控制電路由這些電路組成:頻率、電壓的運(yùn)算電路、主電路的電壓、電流檢測(cè)電路、電動(dòng)機(jī)的速度檢測(cè)電路、將運(yùn)算電路的控制信號(hào)進(jìn)行放大的驅(qū)動(dòng)電路,以及逆變器和電動(dòng)機(jī)的保護(hù)電路。

The frequency converter control circuit consists of these circuits: frequency and voltage calculation circuit, voltage and current detection circuit of the main circuit, speed detection circuit of the motor, driving circuit that amplifies the control signal of the calculation circuit, and protection circuit of the inverter and motor.

20230920022755516.jpg

變頻器驅(qū)動(dòng)電路的HCPL-316J特性:

HCPL-316J characteristics of frequency converter drive circuit:

兼容CMOS/TYL電平;光隔離,故障狀態(tài)反饋;開(kāi)關(guān)時(shí)間500ns;“軟”IGBT關(guān)斷;欠飽和檢測(cè)及欠壓鎖定保護(hù);過(guò)流保護(hù)功能;寬工作電壓范圍(15~30V);用戶(hù)可配置自動(dòng)復(fù)位、自動(dòng)關(guān)閉。 DSP與該耦合器結(jié)合實(shí)現(xiàn)IGBT的驅(qū)動(dòng),使得IGBT VCE欠飽和檢測(cè)結(jié)構(gòu)緊湊,低成本且易于實(shí)現(xiàn),同時(shí)滿足了寬范圍的與調(diào)節(jié)需要。

Compatible with CMOS/TYL levels; Optical isolation and fault status feedback; The maximum switching time is 500ns; "Soft" IGBT shutdown; Undersaturation detection and undervoltage locking protection; Overcurrent protection function; Wide operating voltage range (15-30V); Users can configure automatic reset and automatic shutdown. The combination of DSP and this coupler realizes the driving of IGBT, making the IGBT VCE undersaturation detection structure compact, low-cost, and easy to implement, while meeting a wide range of safety and regulation needs.

多年來(lái),我們一直致力于電力電氣配套設(shè)備生產(chǎn),生產(chǎn)工藝,檢測(cè)手段完善,可以針對(duì)不同行業(yè)自動(dòng)化控制需求提供不同的技術(shù)服務(wù)和解決方案。

For many years, we have been committed to the production of power and electrical supporting equipment, with advanced production processes and complete testing methods. We can provide different technical services and solutions for automation control needs in different industries.

本文由山東電氣成套友情奉獻(xiàn).更多有關(guān)的知識(shí)請(qǐng)點(diǎn)擊: http://xingthink.com 真誠(chéng)的態(tài)度.為您提供為的服務(wù).更多有關(guān)的知識(shí)我們將會(huì)陸續(xù)向大家奉獻(xiàn).敬請(qǐng)期待.

This article is dedicated to the friendship of Shandong Electric. For more information, please click: http://xingthink.com Sincere attitude. We will provide you with comprehensive service. We will gradually contribute more relevant knowledge to everyone. Stay tuned

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