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  無(wú)刷無(wú)環(huán)起動(dòng)器是一種克服了繞線式異步電動(dòng)機(jī)裝有滑環(huán)、碳刷和復(fù)雜的起動(dòng)裝置等缺點(diǎn)，而保留了繞線電機(jī)起動(dòng)電流小，起動(dòng)轉(zhuǎn)矩大等優(yōu)點(diǎn)的起動(dòng)設(shè)備。凡原來(lái)采用電阻起動(dòng)器、電抗器、頻敏變阻器、液體變阻起動(dòng)器、軟起動(dòng)器起動(dòng)的 JR、JZR、YR、YZR 三相繞線轉(zhuǎn)子交流異步電動(dòng)機(jī) (變速、裝有進(jìn)相機(jī)的除外）均可選用“無(wú)刷無(wú)環(huán)起動(dòng)器”來(lái)更新?lián)Q代。

• SUMMARIZE

No brush No ring starter is to conquer the default of the rings、carbon brush、and complex starting sets on winging asynchronous motor, and is an equipment to reserve the advantage that small current and large torque of winging motor. JR、JZR、YR、YZR three phase winging stator ac asynchronous motor who use the starter of resistance、reactor、adjustable rheostat frequency sensitive rheostat、 liquild resistance starter、soft-starter all can choose “No Brush and no ring to stead.
 

• 產(chǎn)品優(yōu)點(diǎn)

無(wú)刷無(wú)環(huán)起動(dòng)器把傳統(tǒng)的、繁瑣的、多觸點(diǎn)元件組成的起動(dòng)裝置去掉，采用無(wú)刷無(wú)環(huán)運(yùn)行，操作簡(jiǎn)單，安裝拆卸方便，可大大減少維修費(fèi)用，其優(yōu)點(diǎn)是：去掉滑環(huán)、碳刷、刷盒、刷盒支架、短路環(huán)及二次回路系統(tǒng)中的頻敏變阻器、交流接觸器、時(shí)間繼電器等元件，并可保持電機(jī)原有的運(yùn)行特性。

• ADVANTAGE OF PRODUCTION

No brush No ring starter remove the traditional 、complicated、multiconduction component starting equipment. it is easy to operate and install, less repairing expense. the advantage is: to keep the original operation without rings、carbon brush、brush box、brush box shell、short circuit ring and ajustable rheostat frequency sensitive rheostat on secondary loop system AC connector and time relay.

• 主要技術(shù)參數(shù)

額定頻率：50Hz
額定電壓：380V
配用電機(jī)功率：15-125KW
      a.輕載：0.6Me≤M≤0.8Me 、2.5Ie      b.重載：1.6Me≤M≤2.0Me 、3.0Ie

• MAIN TECHNICAL PARAMETER

Rated Frequency: 50Hz
Rated Voltege: 380V
Adapt Motor Power: 15-125KW
a.light load: 0.6Me≤M≤0.8Me 、2.5Ieb.heavy load: 1.6Me≤M≤2.0Me 、3.0Ie

• 性能特點(diǎn)

無(wú)刷無(wú)環(huán)起動(dòng)器的工作原理是利用電動(dòng)機(jī)在起動(dòng)過(guò)程中，轉(zhuǎn)子電流頻率 fz 隨轉(zhuǎn)子轉(zhuǎn)速升高而降低的關(guān)系 fz=f1×S，當(dāng)轉(zhuǎn)子轉(zhuǎn)速由 0 上升到額定轉(zhuǎn)速 Ne 時(shí)，轉(zhuǎn)子電流頻率則從 50Hz 平滑地降至1~3Hz。起動(dòng)器阻抗 Zp=rp+jxp,其中鐵損 rp的大小與頻率的平方成正比，隨著 fz 的降低，rp也隨之下降，電抗 Xp=ωLP，同理，Xp 也減少。當(dāng)起動(dòng)結(jié)束后，sf1 很小，Zp 則降到很小甚至近似于零，因此電動(dòng)機(jī)在起動(dòng)時(shí)，既能限制起動(dòng)電流，也能提高功率因數(shù)和增大起動(dòng)轉(zhuǎn)矩，是一種理想的起動(dòng)裝置。

• PERFORMANCE CHARACTERISTIC

The principle of starter is to use the current frequency of stator fz  reduce when stator speed risingfz=f1xS, when the speed of stator rise 0 to rated speed ne, current frequency of stator from 50hz down to 1-3hz. of starter zp=rp+jxp, the size of iron loss rp is proportional to frequency square. with the reduction of fz, rp will go down, reactance xp=ωLp, xp will reduce. when the starting finish, sf1 is very small, zp will go down to nearly zero, so when starting, it not only limit the current, but also improve power factor and torque, which is an ideal starting equipment.

• 安裝與接線

與WZR無(wú)刷自控電機(jī)軟起動(dòng)器方式一致。
此電動(dòng)機(jī)轉(zhuǎn)子出頭線有兩種：即50KW以上的電動(dòng)機(jī)轉(zhuǎn)子有6個(gè)出頭線（A-A、B-B、C-C），50KW以下的電動(dòng)機(jī)轉(zhuǎn)子只有3個(gè)出頭線，本公司生產(chǎn)的無(wú)刷無(wú)環(huán)起動(dòng)器也按功率大小，設(shè)有6個(gè)或3個(gè)接線柱。起動(dòng)器裝配完成后，將轉(zhuǎn)子的出線接在起動(dòng)器接線柱對(duì)應(yīng)位置（對(duì)于有六根出線的電動(dòng)機(jī)，應(yīng)將同一相的兩根導(dǎo)線，對(duì)稱地接在起動(dòng)器的兩個(gè)接線柱上）即可，具體接線如下圖所示。

• INSTALLATION AND CONNECTION

It is the same as WZR No Brush self-controlled motor soft starter.
There is 2 kind of out-head line of motor stator: 6 out-head line of more than 50KW motor stator(A-A、B-B、C-C). 3 out- head line of less than 50kw of stator. the starter also be designed 6-3 binding post according to power. after finishing the installation, pls connect the line to corresponding  b of binding post.


 

• 結(jié)構(gòu)尺寸STRUCTURE AND SIZE