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電阻主要是通過設(shè)定一個(gè)特定的直流電壓范圍來控制導(dǎo)通和關(guān)斷流向制動(dòng)電阻的電流，使直流母線電壓保持在某一安全范圍以內(nèi)，從而達(dá)到保護(hù)變頻調(diào)速裝置和電機(jī)器件的目的。根據(jù)異步電動(dòng)機(jī)的原理，在一些需要快速降速的應(yīng)用場(chǎng)合，若滑差越大那么轉(zhuǎn)矩也會(huì)越大，這樣制動(dòng)轉(zhuǎn)矩將隨著降速速率的加大而增大，使系統(tǒng)降速的時(shí)間也大大縮短，能量的回饋速度也大大加快，直流母線上的電壓會(huì)迅速上升，現(xiàn)在我們就需要在在變頻器直流側(cè)加入放電電阻單元組件，將產(chǎn)生的能量快速轉(zhuǎn)換成熱能并消耗掉，使直流母線的電壓處在一個(gè)安全的范圍以內(nèi)。
電阻器的型號(hào)
RQ52-180L-6/3H17KW電阻器RQ52-200L-6/4H26KW電阻器RQ52-225M-6/5H34KW電阻器RQ52-250M1-6/5H42KW電阻器RQ52-250M2-6/6H52KW電阻器RQ52-280S-6/7H63KW電阻器RQ52-280M-6/9H85KW電阻器RQ52-160L-8/2H9KW電阻器RQ52-180L-8/3H13KW電阻器RQ52-200L-8/3H18.5KW電阻器RQ52-225M-8/3H26KW電阻器RQ52-250M1-8/5H35KW電阻器RQ52-250M2-8/5H42KW電阻器RQ52-280S-8/5H52KW電阻器RQ52-280M-8/7H63KW電阻器RQ52-315S-8/9H85KW電阻器RQ52-315M-8/11H100KW電阻器RQ52-280S-10/6H42KW電阻器RQ52-280M-10/6H55KW電阻器 電阻器RQ52-315M-10/10H85KW電阻器RQ52-355M-10/12H110KW電阻器RQ52-355L1-10/13H132KW電阻器RQ52-355L2-10/18H150KW電阻器RQ52-400L1-10/20H190KW電阻器RQ52-400L2-10/24H240KW電阻器RQ54-180L-6/4H15KW電阻器RQ54-200L-6/4H22KW電阻器RQ54-225M-6/5H30KW電阻器RQ54-250M1-6/5H37KW電阻器RQ54-250M2-6/7H45KW電阻器RQ54-280S-6/9H55KW電阻器RQ54-280M-6/10H75KW電阻器RQ54-160L-8/3H7.5KW電阻器RQ54-180L-8/3H11KW電阻器RQ54-200L-8/3H15KW電阻器RQ54-225M-8/5H22KW電阻器RQ54-250M1-8/5H30KW電阻器RQ54-250M2-8/6H37KW電阻器RQ54-280S-8/6H45KW電阻器RQ54-280M-8/7H55KW電阻器RQ54-315S-8/10H75KW電阻器RQ54-315M-8/12H90KW電阻器RQ54-280S-10/6H37KW RQ54-315S-10/8H55KW電阻器RQ54-315M-10/12H75KW電阻器RQ54-355M-10/14H90KW電阻器RQ54-355L1-10/16H110KW電阻器RQ54-355L2-10/19H132KW電阻器RQ54-400L1-10/24H160KW電阻器RQ54-400L2-10/27H200KW電阻器RQ56-160M2-6/3H6.3KW電阻器RQ56-160L-6/3H9KW電阻器RQ56-180L-6/3H13KW電阻器RQ56-200L-6/4H19KW電阻器RQ56-225M-6/5H26KW電阻器RQ56-250M1-6/6H32KW電阻器RQ56-250M2-6/7H39KW電阻器RQ56-280S-6/8H48KW電阻器RQ56-280M-6/12H63KW電阻器RQ56-160L-8/2H6KW電阻器RQ56-180L-8/3H9KW電阻器RQ56-200L-8/3H13KW電阻器RQ56-225M-8/5H18.5KW電阻器RQ56-250M1-8/5H26KW電阻器RQ56-250M2-8/7H32KW電阻器RQ56-280S-8/7H39KW電阻器RQ56-280M-8/9H48KW
