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變頻器的工作原理是怎么樣的?他的功能和應(yīng)用有哪些?

時(shí)間:2021-10-11 15:43 來(lái)源:未知 點(diǎn)擊:次

相信很多朋友對(duì)什么是變頻器一直不是很清楚。今天專(zhuān)業(yè)變頻器廠家邦瑞機(jī)電的沈工程師。就帶大家了解一下變頻器的工作原理具體是怎么樣的。
I believe that many friends have not been very clear about what inverter is. Today, engineer Shen from Bongrui. Let's take a look at the working principle of the frequency converter.
 
首先簡(jiǎn)單的說(shuō)呢。變頻器的主要作用就是將交流電經(jīng)過(guò)電容器濾波逆變?yōu)橹绷麟?,然后再轉(zhuǎn)換所需要的電流頻率以提供給設(shè)備工作使用。一般是由中央芯片中心輸出信號(hào)通過(guò)驅(qū)動(dòng)電路,控制輸出模塊輸出三相交流電。一般的直流電源大多是由交流電源通過(guò)變壓器變壓,整流濾波后得到的。很多人會(huì)好奇為什么變頻器使用量和使用范圍這么廣?要知道交流電源在人們使用電源中占總使用電源的95%左右。
First of all, let's make it simple. The main function of frequency converter is to invert alternating current into dc current through capacitor filtering, and then convert the required current frequency to provide equipment for use. Generally by the central chip center output signal through the drive circuit, control output module output three-phase ac. The general DC power supply is mostly obtained by ac power supply through transformer transformer, rectification and filtering. Many people will be curious why frequency converter usage and use so wide range? We should know that ac power supply accounts for about 95% of the total power supply in people's use.
變頻器的工作原理是怎么樣的?
 
變頻器的作用:
1,調(diào)整電機(jī)加減速時(shí)間長(zhǎng)短和電機(jī)運(yùn)行力矩大小。另外,變頻器還有很多的保護(hù)功能。如濾波、逆變、過(guò)流、過(guò)壓、過(guò)載保護(hù)等等。隨著工業(yè)自動(dòng)化程度的不斷提高,變頻器也得到了非常廣泛的應(yīng)用。
 
Function of frequency converter: adjust motor acceleration and deceleration time and motor running torque size. In addition, the frequency converter has many protection functions. Such as filtering, inverter, overcurrent, overvoltage, overload protection and so on. With the continuous improvement of industrial automation, frequency converter has been widely used.
 
2,變頻器的作用:變頻器起到變頻節(jié)能。變頻器調(diào)整輸出電源的電壓和頻率,根據(jù)電機(jī)的實(shí)際需要來(lái)提供其所需要的電源電壓,進(jìn)而達(dá)到節(jié)能、調(diào)速的目的
2, the role of frequency converter: frequency converter to energy saving. The frequency converter adjusts the voltage and frequency of the output power supply, and provides the required power supply voltage according to the actual needs of the motor, so as to achieve the purpose of energy saving and speed regulation
變頻器的功能和應(yīng)用有哪些?
變頻器的應(yīng)用領(lǐng)域
1,電氣伺服傳動(dòng)領(lǐng)域  在要求速度控制和位置控制的場(chǎng)合,特種電機(jī)的應(yīng)用越來(lái)越廣泛。開(kāi)關(guān)磁阻電動(dòng)機(jī)、永磁無(wú)刷直流電動(dòng)機(jī)、步進(jìn)電動(dòng)機(jī)、永磁交流伺服電動(dòng)機(jī)、永磁直流電動(dòng)機(jī)等都已在數(shù)控機(jī)床、工業(yè)電氣自動(dòng)化等方面。
Frequency converter application field
1. In the field of electric servo drive, the application of special motors is more and more widely in the occasions requiring speed control and position control (servo). Switched reluctance motor, permanent magnet brushless DC motor, stepper motor, permanent magnet AC servo motor, permanent magnet DC motor and so on have been in CNC machine tools, industrial electrical automation
 
2,變頻器在自動(dòng)化系統(tǒng)中應(yīng)用非常廣泛。石油輸油泵、電潛泵,鋼鐵軋機(jī)、風(fēng)機(jī)泵等。冶金行業(yè)、自動(dòng)送料建筑、礦業(yè)設(shè)備,交通運(yùn)輸領(lǐng)域,造紙業(yè),電子制造業(yè)等領(lǐng)域都是必備設(shè)備組件。
2. Frequency converters are widely used in automation systems. Oil pump, electric submersible pump, steel mill, fan pump, etc. Metallurgical industry, automatic feeding construction, mining equipment, transportation, paper industry, electronic manufacturing and other fields are essential equipment components.
 
3,家用電器領(lǐng)域 ,據(jù)有關(guān)數(shù)據(jù)統(tǒng)計(jì)顯示:一般家庭中約使用 50~100 臺(tái)特種電機(jī)。如目前流行的高效節(jié)能變頻空調(diào)和冰箱就采用永磁無(wú)刷直流電動(dòng)機(jī)驅(qū)動(dòng)其壓縮機(jī)及風(fēng)扇。洗衣機(jī)采用低噪聲多極扁平永磁無(wú)刷直流電動(dòng)機(jī),可省去原有的機(jī)械減速器而直接驅(qū)動(dòng)滾筒,實(shí)現(xiàn)無(wú)級(jí)調(diào)速,是目前洗衣機(jī)中的高檔產(chǎn)品。吸塵器中采用永磁無(wú)刷直流電動(dòng)機(jī)替代原用的單相串勵(lì)電動(dòng)機(jī),具有體積小、效率高、噪聲低、壽命長(zhǎng)等優(yōu)點(diǎn)。 
3. In the field of household appliances, about 50~100 special motors are used in the average family. For example, the current popular high efficiency and energy saving frequency conversion air conditioning and refrigerator use permanent magnet brushless DC motor to drive its compressor and fan. The washing machine adopts low-noise multi-pole flat permanent magnet brushless DC motor, which can directly drive the drum without the original mechanical reducer and realize stepless speed regulation. It is a high-grade product in the current washing machine. Permanent magnet brushless DC motor is used in vacuum cleaner instead of single-phase series motor, which has the advantages of small volume, high efficiency, low noise and long service life.
4,實(shí)現(xiàn)電機(jī)軟啟動(dòng)。保護(hù)點(diǎn)擊設(shè)備安全運(yùn)行
4, achieve motor soft start. Protect click devices for safe operation
 
5,特殊領(lǐng)域。比如各種飛行器、探測(cè)器、自動(dòng)化裝備、醫(yī)療設(shè)備等使用的電機(jī)多為特種電機(jī)或新型電機(jī)。
 
5. Special fields. For example, all kinds of aircraft, detectors, automation equipment, medical equipment and other motor used for special motor or new motor
變頻器廠家
 
杭州邦瑞機(jī)電有限公司是專(zhuān)業(yè)的變頻器生產(chǎn)安裝廠家。我們生產(chǎn)的“禾工”系列變頻器質(zhì)量穩(wěn)定可靠。離心機(jī)專(zhuān)用型變頻器、空壓機(jī)專(zhuān)用型變頻器、永磁同步電機(jī)專(zhuān)用型變頻器等產(chǎn)品在在工控和電氣自動(dòng)化行業(yè)得以廣泛應(yīng)用。歡迎您的咨詢(xún)采購(gòu):139 5715 1536 /139 5803 6635(劉)


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