無刷自控電機軟起動器 概 述 無刷自控電機軟起動器是將起動電阻直接安裝在電動機的轉(zhuǎn)軸上，利用電機旋轉(zhuǎn)時產(chǎn)生的離心力作為動力，控制起動電阻的大小，達到減少電機起動電流、增加起動轉(zhuǎn)矩，使繞線式異步電動機實現(xiàn)無刷自控運行的裝置。它主要由機殼、起動液、動極板、彈簧、接線柱、安全閥、排氣閥等構(gòu)成。該起動器具有起動電流小，起動轉(zhuǎn)矩大，自動適應(yīng)電源及負載的變化，保護電機等特點。廣泛應(yīng)用于冶金、機械、石油、化工、礦山、建材、造紙、橡膠、水廠、電站等所有工業(yè)領(lǐng)域的球磨機、破碎機、風(fēng)機、水泵、打漿機、空壓機、軋機、熱磨機、制氧機等電機傳動設(shè)備中繞線式異步電動機的起動。它可以代替繞線電機的滑環(huán)、碳刷及其起動裝置。 SUMMARIZE It is to install the starting resistance on rolling shaft of motor.using the centrifugal power as driving, control the starting resistance to reduce the starting current, increase torque, equipping the no brush self -controlled motor to winding asynchronous motor. it is composed of shell、starting liquid、moving magnetic boad、spring、connecting pillar、safety valve、exhausting valve etc. the starter has the advantage at small current ，large starting torque,adjustable the change to power and load so as to，protecting the motor. it can be widely used to start the winding asynchronous motor in ball miller、crusheruser 、blower fan、pump、beater、comprssor、crusher、defibrater、oxygenerator etc of metallization，chemical-industry、machinary、petroleum、mining、constrction、rubber、power station etc. it can stead of the collector ring，carbon brush of winding motor. 產(chǎn)品優(yōu)點 起動器采用無刷無環(huán)運行，操作簡單，安裝拆卸方便，可大大減少維修費用，并可根據(jù)機械負載的特性，自動改變起動電阻的大小，調(diào)節(jié)起動轉(zhuǎn)矩和起動電流，使電動機處于起動狀態(tài)。 能在保持電機起動轉(zhuǎn)矩不變的情況下，使起動電流從7Ie降到1.6Ie，并能以較大轉(zhuǎn)矩起動電機。它由電阻起動裝置發(fā)展而來，具有如下創(chuàng)新點： 1、徹底根除使用滑環(huán)、碳刷時所造成的各種危害。去掉傳統(tǒng)、復(fù)雜的起動裝置，操作方便，并可減少維修費用。 2、節(jié)省安裝空間和二次回路電纜，減少起動裝置的功率消耗，節(jié)約了電能。 3、起動控制由起動器根據(jù)電機的轉(zhuǎn)速自動完成，徹底避免了其它起動裝置不能根據(jù)負載的大小，自動跟蹤電機起動過程而造成電機或起動器損壞等不良現(xiàn)象。 4、電機運轉(zhuǎn)過程中，如出現(xiàn)堵轉(zhuǎn)現(xiàn)象，隨著電機轉(zhuǎn)速的降低，起動器會自動投入運行，達到增加電機轉(zhuǎn)矩，減少起動電流的目的。 5、克服了定子控制式電機軟起動器的起動轉(zhuǎn)矩與起動電流的平方成正比這一缺陷，在降低電機起動電流的同時，增加電機起動轉(zhuǎn)矩，并能以較大轉(zhuǎn)矩起動電機，采用無刷運行，去掉了傳統(tǒng)、 繁瑣、多觸點元件組成的起動裝置，其起動裝置的功率損耗及電機的起動時間比定子控制式電機軟起動器減少10倍以上，但起動器的綜合價格不及其它軟起動器的1/3。 6、起動電阻直接安裝在電動機的轉(zhuǎn)軸上，利用電機旋轉(zhuǎn)時產(chǎn)生離心力作為動力，控制電阻的大小，達到減少電機起動電流、增加起動轉(zhuǎn)矩，實現(xiàn)無刷自控運行的目的。 7、采用防銹、防變質(zhì)、防凍(冰點心-25℃)、防沸(沸點為120 ℃)的四防起動液，提高起動器的使用壽命。 8、設(shè)置安全排氣閥，在電機轉(zhuǎn)速達到額定轉(zhuǎn)速后，自動打開排氣閥，起動器的安全運行。 ADVANTAGE OF PRODUCTION The start is easy to operate and install, which can reduce the expense of repire. it can take the motor to the best situation under adjusting the resistance 、torque and current. The starting current can be reduced from 7le to 1.6le under the condition of keeping the torque unchanged.it can start the motor with largest torque: 1、It is from resistance starting equiment, which has below new characteristics:removing the harm from ring and carbon brush.it saves repairing expense without traditional complex starting equipment. 2、Saving the installation space and secondary loop cable,reducing the power waste of starting equipment, power wasteless.starting control is completed from starter according to the speed of motor. 3、It avoids the phenomena that some damage to motor and starter from other equipment can not trace the starting process of motor by overload. 4、During the process of running, if it appears locked-rotor, the starter will automatically run for the reduction of motor speed to reach the goal of increasing the torque and reducing current of motor. 5、Conquering the default that square of starting current is proportional to torque on stator controlled motor soft-starter with starting current. increasing the motor torque when reducing the current. adopting brushless running, it is 10 times to save the power and starting times.however, the price is not reached 1/3 than other soft-starter. 6、The starting resistance is directly installed the rotoring shaft of motor, using the centrifugal power as driving, control the starting resistance to reduce the starting current, increase torque、 equipping the no brush self -controlled motor to winding asynchronous motor. 7、In order to prolong the using life, adopting the starting liquid to resisting rust、deteroprate、 freeze、boiling(boiling point is120℃). 8、To guarantee running safety, it needs to set the safey exhausting valve, which will be opened automatically when reaching the rated speed. 適用范圍 電源電壓：三相50Hz 380V-10KV 適用電機：三相繞線式異步電動機 起動頻度：每小時不超過10次 海拔高度：不超過2000M 環(huán)境溫度：較低氣溫-25℃，較高氣溫 40℃ 無易燃、易爆、無嚴重腐蝕性氣體的場所 AREAS OF APPLICATION Power Voltage: three phase 50Hz 380V-10KV Adapting Motor: thress phase winding asynchronous motor Frequency of Starting: less than 10times per hour Height of Elevation: less than 2000m Tempreture of environment: the Lowest: -25℃, the Highest: 40℃ the place of no combustible、 explosive、caustic gas 主要技術(shù)參數(shù) 1、額定電壓：380V、6KV、10KV，配用電機功率：130-2000KW。 2、起動特性： a.輕載： 0.6Me b.中載： 1Me c.重載：1.5Me 3、 電機實現(xiàn)恒轉(zhuǎn)矩、恒電流起動，起動電流、起動轉(zhuǎn)矩可根據(jù)用戶要求方便、連續(xù)地?zé)o級調(diào)整。 4、實現(xiàn)繞線式電動機無刷運行，徹底根除使用滑環(huán)、碳刷所造成的各種危害，節(jié)省了起動控制柜及二次電纜，使繞線式電機起動裝置的成本降低70%，運行維護工作量減少90%，電機及其控制裝置的性提高一倍以上。 MAIN TECHNICAL PARAMETER 1、Rated Voltage: 380V、6kV、10kVAdapting Motor Power: 130-2000KW 2、Starting Characteristic: a.Light- load: 0.6Me b.Mid-load: 1Me c.Heavy-load: 1.5Me 3、The constant torque, current start, starting current、starting torquecan be adjusted by customers request. 4、All kinds of harm will be removed from rings and carbon brush when using brushless soft-starter, and saving the controlled cupboard and secondary loop cable. the cost of equipment of winding motor will be reduced 70%、90% of repairing. the reliability of motor and its controlled equipment will be increased above 1 times. 安裝及接線 1、先拆下電動機的護罩、滑環(huán)、碳刷、刷盒、刷盒支架及短路環(huán)裝置(有的電機無短路環(huán)裝置)等全部零件。 2、拆卸滑環(huán)時，為防止后來接線時發(fā)生差錯，應(yīng)將同一相的兩根導(dǎo)線捆在一起。 3、用游標卡尺，分別測量電機的軸徑和起動器的孔徑、鍵寬、鍵高等尺寸相同，如有差異，應(yīng)及時同本公司聯(lián)系，以求解決。 4、在軸上涂少許潤滑脂或機油，將起動器鍵槽對準軸上的鍵 位置，然后用銅棒將起動器輕輕地敲擊到裝配位置，并用鋼絲擋圈卡住，防止起動器軸向串動。 5、裝配時，切忌亂敲亂打，以免造成內(nèi)部零件損壞或漏液。起動器裝配完成后，將轉(zhuǎn)子的出線接在起動器接線柱對應(yīng)位置(對于有六根出線的電動機，應(yīng)將同一相的兩根導(dǎo)線，接在同一色的兩個接線柱上)即可，具體接線如下圖所示。 INSTALLATION AND CONNECTION 1、Removing all parts of cover、rings、carbon brush、brush box、brush box shell and short circuit ring equipment(some motor have no short circuit ring equipment). 2、In order to avoid the mistake when remove rings, it should to bond two conductor trace line of same phase. 3、To measure the hole diameter、width and heightof key by vernier caliper, if there is any discrepancy, pls do not hesitate to contact us. 4、Greasing a little of lubricating, machine oil on the shaft, install the keyseat of starter to the keyseatof shaft. then gently to knock on the starter to installation location. to avoid the shaft shake of starter it should be locked by steel wire and distance ring. 5、In order to prevent the harm of inter parts or liquid leakage. it can not knock heavily, after finishing the installation, to connect the out- line of stator to corresponding location of starter connector bing, (for lines motor, should to connect 2 same phase conductor line with 2 binding) post of same colour, the detailed connection is as below. 運行與維護 1、無刷自控電機軟起動器內(nèi)的元件除電阻在起動時會發(fā)熱外，其它均不會發(fā)熱，本裝置按免維護設(shè)計，請不要自行將外蓋打開，以免損壞起動器內(nèi)的元件。 2、當(dāng)起動器內(nèi)的液體低于規(guī)定液面時，應(yīng)補充起動液至規(guī)定的液面。 3、安全排氣閥是電機起動過程中，不向外噴液的重要部件，它在電機轉(zhuǎn)速達到額定轉(zhuǎn)速時，會自動打開，起動器內(nèi)的壓力與大氣壓一致，因此，請用戶不要自行調(diào)整。 OPERATION AND MAINTENANCE 1、Beside the resistance, other component of starter will not hot when starting, in order to avoid harming the component, pls do not open the cover, for its desing is maintenance free. 2、When the liquid is below than the requetment, it should to complement the liquid to the stated surface. 3、The safty exguasting valve is to gurantee the motor will not spray liquid during starting. it will open when the speed reach the rated. to keep the pressure f starter same as atmospheric pressure, so the custumer will not adjust by themselves. 結(jié)構(gòu)尺寸STRUCTURE AND SIZE