DW20KB電渦流測功機感應子(zi)主要由旋轉(zhuan)部分(fen)和(he)擺動部分(fen)（電樞和(he)勵(li)(li)(li)磁(ci)(ci)線(xian)圈(quan)）組成。轉(zhuan)子(zi)軸(zhou)上(shang)的(de)(de)感應子(zi)形(xing)狀猶如(ru)齒輪(lun)，與轉(zhuan)子(zi)同軸(zhou)裝有(you)一(yi)個(ge)直(zhi)流(liu)勵(li)(li)(li)磁(ci)(ci)線(xian)圈(quan)。當勵(li)(li)(li)磁(ci)(ci)線(xian)圈(quan)組通以直(zhi)流(liu)電流(liu)時，其周(zhou)圍便有(you)磁(ci)(ci)場存在，那么圍繞勵(li)(li)(li)磁(ci)(ci)組就產生一(yi)閉合(he)磁(ci)(ci)通。很明顯，位于繞組左側的(de)(de)感應子(zi)具(ju)有(you)一(yi)個(ge)極(ji)性，右側具(ju)有(you)相(xiang)反的(de)(de)極(ji)性。

DW20KB電渦流測功機旋轉(zhuan)(zhuan)時，由于(yu)磁密值(zhi)的(de)(de)周期性變化而(er)產(chan)(chan)(chan)生(sheng)渦(wo)流，此(ci)渦(wo)流產(chan)(chan)(chan)生(sheng)的(de)(de)磁場(chang)同產(chan)(chan)(chan)生(sheng)它的(de)(de)磁場(chang)相互作(zuo)用，從而(er)產(chan)(chan)(chan)生(sheng)與(yu)被試機(ji)反向(xiang)的(de)(de)制動(dong)(dong)力(li)(li)(li)矩(ju)(ju)，使電(dian)(dian)樞(shu)(shu)擺(bai)動(dong)(dong)，通過電(dian)(dian)樞(shu)(shu)上的(de)(de)力(li)(li)(li)臂(bei)，將制動(dong)(dong)力(li)(li)(li)傳給測(ce)(ce)量(liang)裝(zhuang)置。利用渦(wo)流產(chan)(chan)(chan)生(sheng)制動(dong)(dong)轉(zhuan)(zhuan)矩(ju)(ju)來測(ce)(ce)量(liang)機(ji)械(xie)轉(zhuan)(zhuan)矩(ju)(ju)的(de)(de)裝(zhuang)置。被測(ce)(ce)動(dong)(dong)力(li)(li)(li)機(ji)械(xie)與(yu)電(dian)(dian)磁滑差(cha)離合器的(de)(de)輸(shu)入軸連(lian)接，帶動(dong)(dong)電(dian)(dian)樞(shu)(shu)旋轉(zhuan)(zhuan)，磁極則被安裝(zhuang)其上的(de)(de)測(ce)(ce)力(li)(li)(li)臂(bei)掣住只能(neng)在一(yi)定范圍內(nei)擺(bai)動(dong)(dong)一(yi)角度配合測(ce)(ce)力(li)(li)(li)計就可以由此(ci)擺(bai)動(dong)(dong)角直(zhi)接讀出(chu)電(dian)(dian)樞(shu)(shu)與(yu)磁極間作(zuo)用的(de)(de)電(dian)(dian)磁轉(zhuan)(zhuan)矩(ju)(ju)。略去風摩(mo)損耗等測(ce)(ce)量(liang)誤差(cha)時，此(ci)電(dian)(dian)磁轉(zhuan)(zhuan)矩(ju)(ju)就等于(yu)被測(ce)(ce)動(dong)(dong)力(li)(li)(li)機(ji)械(xie)的(de)(de)輸(shu)出(chu)轉(zhuan)(zhuan)矩(ju)(ju)。渦(wo)流測(ce)(ce)功機(ji)只能(neng)產(chan)(chan)(chan)生(sheng)制動(dong)(dong)轉(zhuan)(zhuan)矩(ju)(ju)，不能(neng)作(zuo)為電(dian)(dian)動(dong)(dong)機(ji)運行。一(yi)般用于(yu)測(ce)(ce)量(liang)轉(zhuan)(zhuan)速上升(sheng)而(er)轉(zhuan)(zhuan)矩(ju)(ju)下降，或轉(zhuan)(zhuan)矩(ju)(ju)變化而(er)轉(zhuan)(zhuan)速基本不變的(de)(de)動(dong)(dong)力(li)(li)(li)機(ji)械(xie)。

對渦流(liu)測(ce)功機(ji)(ji)進行(xing)定(ding)電(dian)(dian)(dian)流(liu)、定(ding)速(su)(su)(su)(su)度、定(ding)轉(zhuan)矩高轉(zhuan)速(su)(su)(su)(su)約為大功率(lv)的突加負載與(yu)突減(jian)負載適(shi)應性結構(gou)簡單、運行(xing)穩(wen)定(ding)、價格低廉(lian)、使(shi)用維護(hu)方便；采(cai)用水(shui)冷卻(que)，噪音低、振動(dong)小；輸(shu)入轉(zhuan)速(su)(su)(su)(su)范圍(wei)寬，可用于(yu)(yu)變頻調(diao)速(su)(su)(su)(su)等各(ge)類電(dian)(dian)(dian)動(dong)機(ji)(ji)及動(dong)力機(ji)(ji)械的型(xing)式試驗(yan)(yan)使(shi)用場合：適(shi)用于(yu)(yu)高轉(zhuan)速(su)(su)(su)(su)、大功率(lv)動(dong)力機(ji)(ji)械的轉(zhuan)矩和功率(lv)測(ce)量，尤其適(shi)用于(yu)(yu)動(dong)力機(ji)(ji)械的仿(fang)真壽命(ming)試驗(yan)(yan)及溫升試驗(yan)(yan)，如(ru)串激電(dian)(dian)(dian)機(ji)(ji)、三(san)相(xiang)電(dian)(dian)(dian)機(ji)(ji)、同步電(dian)(dian)(dian)機(ji)(ji)、調(diao)速(su)(su)(su)(su)電(dian)(dian)(dian)機(ji)(ji)、電(dian)(dian)(dian)動(dong)工具及大功率(lv)電(dian)(dian)(dian)機(ji)(ji)。電(dian)(dian)(dian)渦流(liu)測(ce)功機(ji)(ji)做性能試驗(yan)(yan)、型(xing)式試驗(yan)(yan)、研究試驗(yan)(yan)。

測(ce)功(gong)(gong)機(ji)是測(ce)量(liang)電(dian)(dian)機(ji)扭矩、轉速、軸功(gong)(gong)率(lv)(lv)的(de)(de)測(ce)量(liang)設備；測(ce)量(liang)電(dian)(dian)壓、電(dian)(dian)流、輸入功(gong)(gong)率(lv)(lv)、頻(pin)率(lv)(lv)、功(gong)(gong)率(lv)(lv)因數需要配直流電(dian)(dian)參數測(ce)量(liang)儀。測(ce)功(gong)(gong)機(ji)及其測(ce)試系(xi)統由測(ce)功(gong)(gong)機(ji)、控(kong)制器、機(ji)械夾具聯軸器、水冷系(xi)統等構成，它(ta)可以任意改(gai)變電(dian)(dian)機(ji)的(de)(de)負載，直接測(ce)量(liang)出電(dian)(dian)機(ji)的(de)(de)空載、負載及堵轉狀態下電(dian)(dian)機(ji)的(de)(de)輸出轉距、轉速、輸出功(gong)(gong)率(lv)(lv)。

1、同時(shi)檢測輸出轉矩、轉速、輸出功率；實測數據實時(shi)刷新，確保數據的同步性，更加真實的放映電機(ji)的性能。

2、配有串(chuan)行(xing)RS232及打印接口，測試數據以EXCELL文檔形(xing)式保(bao)存(cun)形(xing)成數據報(bao)表。曲線以圖片格式展(zhan)現。

3、可分手動(dong)(dong)/自動(dong)(dong)測(ce)試，測(ce)試時間自動(dong)(dong)設定(ding)；自動(dong)(dong)測(ce)試是在測(ce)試軟(ruan)件界面設置加載量與加載速(su)度。

4、可自動繪制電(dian)機特性曲線；可以形(xing)成(cheng)T-N曲線。

5、具有速度反饋控(kong)制(zhi)、轉矩補償控(kong)制(zhi)。

6、電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)夾(jia)裝方便(bian)調(diao)節(jie)，便(bian)于安裝電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)。組成系統配(pei)置<（1）配(pei)置選擇(ze)配(pei)置一：測(ce)(ce)(ce)(ce)(ce)功(gong)(gong)(gong)(gong)(gong)機(ji)(ji)(ji)(ji)(ji)控制器(qi)、測(ce)(ce)(ce)(ce)(ce)功(gong)(gong)(gong)(gong)(gong)機(ji)(ji)(ji)(ji)(ji)、機(ji)(ji)(ji)(ji)(ji)械夾(jia)具(ju)、聯(lian)(lian)軸(zhou)(zhou)器(qi)功(gong)(gong)(gong)(gong)(gong)能(neng)描(miao)述：手(shou)動調(diao)節(jie)負(fu)載(zai)大小（可(ke)(ke)(ke)(ke)以連續調(diao)節(jie)），可(ke)(ke)(ke)(ke)以測(ce)(ce)(ce)(ce)(ce)試(shi)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)轉(zhuan)速、轉(zhuan)矩(ju)、輸(shu)出(chu)功(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)配(pei)置二：測(ce)(ce)(ce)(ce)(ce)功(gong)(gong)(gong)(gong)(gong)機(ji)(ji)(ji)(ji)(ji)控制器(qi)、測(ce)(ce)(ce)(ce)(ce)功(gong)(gong)(gong)(gong)(gong)機(ji)(ji)(ji)(ji)(ji)、機(ji)(ji)(ji)(ji)(ji)械夾(jia)具(ju)、聯(lian)(lian)軸(zhou)(zhou)器(qi)、電(dian)(dian)(dian)(dian)參數(shu)(shu)（單相(xiang)、直流、三(san)(san)相(xiang)）功(gong)(gong)(gong)(gong)(gong)能(neng)描(miao)述：手(shou)動調(diao)節(jie)負(fu)載(zai)大小（可(ke)(ke)(ke)(ke)以連續調(diao)節(jie)），可(ke)(ke)(ke)(ke)以測(ce)(ce)(ce)(ce)(ce)試(shi)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)轉(zhuan)速、轉(zhuan)矩(ju)、輸(shu)出(chu)功(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)、電(dian)(dian)(dian)(dian)壓、電(dian)(dian)(dian)(dian)流、功(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)因(yin)數(shu)(shu)、頻率(lv)(lv)(lv)(lv)(lv)、輸(shu)入(ru)功(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)、效率(lv)(lv)(lv)(lv)(lv)、配(pei)置三(san)(san)：測(ce)(ce)(ce)(ce)(ce)功(gong)(gong)(gong)(gong)(gong)機(ji)(ji)(ji)(ji)(ji)控制器(qi)、測(ce)(ce)(ce)(ce)(ce)功(gong)(gong)(gong)(gong)(gong)機(ji)(ji)(ji)(ji)(ji)、機(ji)(ji)(ji)(ji)(ji)械夾(jia)具(ju)、聯(lian)(lian)軸(zhou)(zhou)器(qi)、電(dian)(dian)(dian)(dian)參數(shu)(shu)（單相(xiang)、直流、三(san)(san)相(xiang)）、測(ce)(ce)(ce)(ce)(ce)試(shi)軟(ruan)件、工控機(ji)(ji)(ji)(ji)(ji)+顯示(shi)器(qi)功(gong)(gong)(gong)(gong)(gong)能(neng)描(miao)述：手(shou)動/自(zi)動調(diao)節(jie)負(fu)載(zai)大小，可(ke)(ke)(ke)(ke)以連續調(diao)節(jie)或者通過(guo)軟(ruan)件自(zi)動加(jia)載(zai)測(ce)(ce)(ce)(ce)(ce)試(shi)，可(ke)(ke)(ke)(ke)以測(ce)(ce)(ce)(ce)(ce)試(shi)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)轉(zhuan)速、轉(zhuan)矩(ju)、輸(shu)出(chu)功(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)、電(dian)(dian)(dian)(dian)壓、電(dian)(dian)(dian)(dian)流、功(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)因(yin)數(shu)(shu)、頻率(lv)(lv)(lv)(lv)(lv)、輸(shu)入(ru)功(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)、效率(lv)(lv)(lv)(lv)(lv)；軟(ruan)件能(neng)自(zi)動記錄(lu)數(shu)(shu)據(ju)、保存打印特(te)性曲(qu)線。配(pei)置四(si)：測(ce)(ce)(ce)(ce)(ce)功(gong)(gong)(gong)(gong)(gong)機(ji)(ji)(ji)(ji)(ji)控制器(qi)、測(ce)(ce)(ce)(ce)(ce)功(gong)(gong)(gong)(gong)(gong)機(ji)(ji)(ji)(ji)(ji)、機(ji)(ji)(ji)(ji)(ji)械夾(jia)具(ju)、聯(lian)(lian)軸(zhou)(zhou)器(qi)、電(dian)(dian)(dian)(dian)參數(shu)(shu)（單相(xiang)、直流、三(san)(san)相(xiang)）、測(ce)(ce)(ce)(ce)(ce)試(shi)軟(ruan)件、工控機(ji)(ji)(ji)(ji)(ji)+顯示(shi)器(qi)、變頻電(dian)(dian)(dian)(dian)源（直流穩壓電(dian)(dian)(dian)(dian)源）、控制柜

系統(tong)功能(neng)描述：

1、系統集成一體化、美觀大方、操作方便、方便移(yi)動、節省空間

2、手動(dong)/自動(dong)調節(jie)負載大小，可(ke)以(yi)連(lian)續調節(jie)或者通過軟(ruan)件自動(dong)加載測(ce)試(shi)，可(ke)以(yi)測(ce)試(shi)電(dian)機轉速、轉矩(ju)、輸出功率(lv)、電(dian)壓、電(dian)流、功率(lv)因數、頻率(lv)、輸入功率(lv)、效率(lv)；軟(ruan)件能自動(dong)記錄數據、保存(cun)打印特(te)性(xing)曲線。

3、電(dian)(dian)量測試儀具有(you)多檔量程(cheng)（自動切換）滿足大(da)功率電(dian)(dian)機(ji)(ji)和小功率電(dian)(dian)機(ji)(ji)的測試；

4、可以電腦上控(kong)制電機的開(kai)關操作；

5、系統具有(you)手動(dong)、自動(dong)測試方式(shi)（此(ci)方式(shi)可(ke)(ke)不聯接電腦操作）全部(bu)過程(cheng)可(ke)(ke)在控制柜上(shang)的顯示(shi)控制儀上(shang)實現；數(shu)據可(ke)(ke)鎖存,以便手工(gong)記錄；

系統軟(ruan)件介紹：

1、測(ce)試界面：測(ce)試界面可以(yi)實時顯示測(ce)試的(de)瞬時值（電壓、電流(liu)、轉(zhuan)速、轉(zhuan)矩、輸入(ru)功率(lv)、輸出(chu)功率(lv)、效率(lv)），并可以(yi)間按(an)一定的(de)時間采集數據。同(tong)時在測(ce)試過程中曲線自動繪制。更好(hao)的(de)監控測(ce)試的(de)過程。

2、報表分析：（1）整個測試過(guo)程的曲線圖（電(dian)壓(ya)、電(dian)流(liu)、轉(zhuan)速(su)(su)(su)、轉(zhuan)矩(ju)(ju)、輸入(ru)功率(lv)(lv)(lv)(lv)、輸出(chu)功率(lv)(lv)(lv)(lv)、效(xiao)率(lv)(lv)(lv)(lv)）（2）銘牌參數值(zhi)(zhi)(zhi)(zhi)(zhi)（3）關鍵(jian)點(dian)電(dian)機性能分析空載(zai)點(dian)：電(dian)流(liu)值(zhi)(zhi)(zhi)(zhi)(zhi)和轉(zhuan)速(su)(su)(su)值(zhi)(zhi)(zhi)(zhi)(zhi)大轉(zhuan)矩(ju)(ju)點(dian)：轉(zhuan)矩(ju)(ju)值(zhi)(zhi)(zhi)(zhi)(zhi)、轉(zhuan)速(su)(su)(su)值(zhi)(zhi)(zhi)(zhi)(zhi)、電(dian)流(liu)值(zhi)(zhi)(zhi)(zhi)(zhi)、輸出(chu)功率(lv)(lv)(lv)(lv)值(zhi)(zhi)(zhi)(zhi)(zhi)、效(xiao)率(lv)(lv)(lv)(lv)值(zhi)(zhi)(zhi)(zhi)(zhi)大輸出(chu)功率(lv)(lv)(lv)(lv)點(dian)：轉(zhuan)矩(ju)(ju)值(zhi)(zhi)(zhi)(zhi)(zhi)、轉(zhuan)速(su)(su)(su)值(zhi)(zhi)(zhi)(zhi)(zhi)、電(dian)流(liu)值(zhi)(zhi)(zhi)(zhi)(zhi)、輸出(chu)功率(lv)(lv)(lv)(lv)值(zhi)(zhi)(zhi)(zhi)(zhi)、效(xiao)率(lv)(lv)(lv)(lv)值(zhi)(zhi)(zhi)(zhi)(zhi)高效(xiao)率(lv)(lv)(lv)(lv)值(zhi)(zhi)(zhi)(zhi)(zhi)：轉(zhuan)矩(ju)(ju)值(zhi)(zhi)(zhi)(zhi)(zhi)、轉(zhuan)速(su)(su)(su)值(zhi)(zhi)(zhi)(zhi)(zhi)、電(dian)流(liu)值(zhi)(zhi)(zhi)(zhi)(zhi)、輸出(chu)功率(lv)(lv)(lv)(lv)值(zhi)(zhi)(zhi)(zhi)(zhi)、效(xiao)率(lv)(lv)(lv)(lv)值(zhi)(zhi)(zhi)(zhi)(zhi).