HTR系列高壓熱變電阻軟起動(dòng)裝置(簡稱熱變電阻)用于大中

1、HTR系列高壓熱變電阻軟起動(dòng)裝置一、概述 HTR系列高壓熱變電阻軟起動(dòng)裝置（簡稱熱變電阻）用于大中型高壓鼠籠交流異步電動(dòng)機(jī)或異步起動(dòng)的高壓同步電動(dòng)機(jī)，作電阻降壓起動(dòng)之用。使用該裝置起動(dòng)的電機(jī)具有起動(dòng)電流小且恒定、轉(zhuǎn)矩逐步增加的軟起動(dòng)特性，起動(dòng)過程中無電流沖擊和機(jī)械沖擊，起動(dòng)時(shí)對電網(wǎng)影響小，無電磁干擾、是起動(dòng)電抗器和自耦降壓起動(dòng)器的理想替代產(chǎn)品, 相對于大容量高壓變頻軟起動(dòng)而言，又具有明顯的操作簡單、免維護(hù)、無諧波污染等優(yōu)勢。 高壓熱變電阻軟起動(dòng)裝置廣泛用于電壓等級3kV、6kV、10kV，功率范圍250kW45000kW甚至更大容量電機(jī)的降壓軟起動(dòng)。 該裝置采用五項(xiàng)專利技術(shù)，技術(shù)水平國內(nèi)領(lǐng)先。

2、專利號(hào)：ZL 97 2 41662.X ZL 99 2 45458.X ZL 03254078.XZL 02290367.X ZL 03254077.X。二、正常工作條件環(huán)境溫度：上限50（24小時(shí)平均氣溫不超過45）,下限5；相對濕度不超過85%；海撥高度不超過1000M；應(yīng)放置室內(nèi)無劇烈振動(dòng)及沖擊且垂直傾斜度不超過5°的場合；安裝場所不允許有導(dǎo)電塵埃及腐蝕性氣體；沒有火災(zāi)及爆炸危險(xiǎn)。注： 海撥高度超過1000m的地區(qū)，用戶訂貨時(shí)應(yīng)予說明。三、型號(hào)說明四、產(chǎn)品特點(diǎn)4.1 工作原理高壓熱變電阻軟起動(dòng)裝置由具有負(fù)溫度特性的三相平衡電阻組成。當(dāng)該電阻通入電流時(shí)，電阻體溫度逐步升高而電阻值

3、逐步減小，從而使電機(jī)端電壓逐步升高，起動(dòng)轉(zhuǎn)矩逐步增加，以實(shí)現(xiàn)電機(jī)平穩(wěn)起動(dòng)且降低起動(dòng)電流的目的。該裝置可與高壓軟起動(dòng)控制柜、隔離柜、切換柜、星點(diǎn)控制柜組成，成套供應(yīng)，接入電機(jī)起動(dòng)回路,具有起動(dòng)電動(dòng)機(jī)和完成電機(jī)起動(dòng)過程中的保護(hù)的功能。4.2 性能特點(diǎn)根據(jù)產(chǎn)品性能及不同配置，我們將高壓熱變電阻軟起動(dòng)裝置分為HTR3、HTR4、HTR6三大系列，以滿足不同用戶的需要。具體性能特點(diǎn)見表一，也可根據(jù)用戶要求作相應(yīng)調(diào)整。HTR3、HTR4、HTR6系列均具有以下基本性能特點(diǎn)：1）恒電流，軟起動(dòng)：起動(dòng)電流為電機(jī)額定運(yùn)行電流的2.03.5倍,降低了電機(jī)起動(dòng)發(fā)熱，有效地延長電機(jī)使用壽命；2）確保一次起動(dòng)成功，不受

4、電網(wǎng)電壓波動(dòng)和負(fù)載變動(dòng)的影響；3）起動(dòng)平穩(wěn)，對機(jī)械設(shè)備無沖擊；4）對電網(wǎng)影響小，起動(dòng)時(shí)電網(wǎng)壓降??；5）起動(dòng)時(shí)功率因數(shù)高；6）無諧波污染；7）靜態(tài)變阻起動(dòng)，安全可靠；8）操作簡單，免維護(hù)。1) 直接起動(dòng)電流曲線2) 串熱變電阻后起動(dòng)電流曲線1)電機(jī)自然特性 2)串熱變電阻后特性3)負(fù)載轉(zhuǎn)矩 4)陰影區(qū)為加速轉(zhuǎn)矩HTR3系列為標(biāo)準(zhǔn)設(shè)計(jì)，具有電機(jī)起動(dòng)電流小且恒定、起動(dòng)時(shí)電網(wǎng)壓降小、起動(dòng)時(shí)功率因數(shù)高、無諧波污染、簡單安全可靠等基本性能特點(diǎn)。 HTR4系列為自適應(yīng)高壓熱變電阻軟起動(dòng)裝置，采用PLC智能化控制，能自動(dòng)檢測、自動(dòng)調(diào)整電阻初始值，以保證電機(jī)在不同環(huán)境下起動(dòng)特性的一致性。HTR6系列為全密封、智

5、能化、高可靠性、長壽命設(shè)計(jì)，具有以下獨(dú)特的性能：1）環(huán)境適應(yīng)性強(qiáng)：能適應(yīng)高寒、高濕度、高海拔、腐蝕氣體等惡劣環(huán)境；2）具有友好的人機(jī)界面：可方便地進(jìn)行觀察、操作和記錄；3）PLC智能化控制：根據(jù)現(xiàn)場工況可調(diào)整起動(dòng)時(shí)間、電阻值等參數(shù)，以保證起動(dòng)性能的穩(wěn)定性；4）具有通訊接口，能實(shí)現(xiàn)遠(yuǎn)程通訊和計(jì)算機(jī)集中控制；5）能實(shí)時(shí)打印起動(dòng)電流曲線、電壓曲線(需用戶相關(guān)設(shè)備支持)；6）自動(dòng)監(jiān)測設(shè)備的各種狀態(tài)及參數(shù)，并可上傳和打?。?）具有故障自動(dòng)檢測、自動(dòng)報(bào)警和綜合保護(hù)功能；8）全密封、免維護(hù)設(shè)計(jì)，壽命30年以上。表一:HTR3、HTR4、HTR6系列高壓熱變電阻軟起動(dòng)裝置性能特點(diǎn)一覽表序號(hào)性能及配置HTR3系

6、列HTR4系列HTR6系列1恒電流軟起動(dòng)2起動(dòng)時(shí)壓降小3起動(dòng)時(shí)功率因數(shù)高4安全（靜態(tài)變阻）5可靠，免維護(hù)6液位檢測7紅外測溫8電阻初始值可調(diào)整9電極主要材料CuNiTi10環(huán)境溫度對初始電阻的影響2%11PLC控制12使用壽命30年13全密封式14適用于惡劣環(huán)境15通訊(RS232、RS485)接口16人機(jī)界面注：以上各項(xiàng)功能和配置僅供參考，不同的系統(tǒng)可能有些變化。型 號(hào)適用電機(jī)功率（kW）起動(dòng)電流范圍連續(xù)起動(dòng)次數(shù)每次起動(dòng)溫升<外形尺寸（寬X深X高)A×B×H凈重 （噸）配阻后重量（噸）HTR3-5005002.0-3.5Ie3次或累積起動(dòng)時(shí)間不超過120S10160

7、0×1200×23001726HTR3-100050010001600×1200×23001930HTR3-1600100016001800×1200×230020536HTR3-2000160020002000×1200×23002240HTR3-2500200025002700×1600×23002554HTR3-3200250032003300×1600×23003066HTR3-4500320045003600×1600×23003886HTR3-

8、6000450060004200×1600×230045102HTR3-8000600080004500×1600×265047115HTR3-100008000100004800×1600×265050130HTR3-1500010000150005400×1800×265070170HTR3-2200015000220006000×1800×265086215型 號(hào)適用電機(jī)功率（kW）起動(dòng)電流范圍連續(xù)起動(dòng)次數(shù)每次起動(dòng)溫升<外形尺寸(寬X深X高)A×B×H凈重 （噸）

9、配阻后重量（噸）HTR4-5005002.0-3.5Ie3次或累積起動(dòng)時(shí)間不超過120S101600×1200×26502231HTR4-100050010001600×1200×26502436HTR4-1600100016001800×1200×26502642HTR4-2000160020002000×1200×26502848HTR4-2500200025002700×1600×26503054HTR4-3200250032003300×1600×26503166HT

10、R4-4500320045003600×1600×26503886HTR4-6000450060004200×1600×265045102HTR4-8000600080004500×1600×265047115HTR4-100008000100004800×1600×265050130HTR4-1500010000150005400×1800×265070170HTR4-2200015000220006000×1800×265090215型 號(hào)適用電機(jī)功率（kW）起動(dòng)電流范圍

11、連續(xù)起動(dòng)次數(shù)每次起動(dòng)溫升<外形尺寸(寬X深X高)A×B×H凈重（噸）配阻后重量（噸）HTR6-5005002.0-3.5Ie3次或累積起動(dòng)時(shí)間不超過120S101800×1600×26502231HTR6-10005001000101800×1600×26502436HTR6-160010001600101800×1600×27502642HTR6-200016002000101800×1600×27502853HTR6-250020002500103300×1600×

12、28003166HTR6-320025003200103300×1600×28004072HTR6-45003200450084200×1600×28005086HTR6-60004500600084200×1600×280060117HTR6-1000060001000084800×1600×280070146HTR6-15000100001500085700×2000×280085188HTR6-22000150002200086000×2000×2800107245HT

13、R6-32000220003200089000×2000×2800151360HTR6-450003200045000810800×2000×2800201510五、安裝及調(diào)試1）安裝注意事項(xiàng)：1熱變電阻最好安裝在獨(dú)立、安全的地方。2安裝地面應(yīng)水平，熱變電阻應(yīng)配槽鋼基座，槽鋼基座水平，誤差小于0.2%，熱變電阻和基座槽鋼采用焊接方式固定，電纜根據(jù)方案與用戶要求采用不同出線方式。3安裝完后應(yīng)作絕緣電阻檢測和耐壓試驗(yàn)。4熱變電阻可能有幾個(gè)分離的柜體（或箱體），安裝時(shí)應(yīng)保證按要求布置。2）電阻液配置：1了解電網(wǎng)參數(shù)（最小短路容量、固定負(fù)荷等）及繼電保護(hù)整定值、

14、電機(jī)參數(shù)、負(fù)載參數(shù)。2根據(jù)負(fù)載參數(shù)確定起動(dòng)電流倍數(shù)，燒結(jié)風(fēng)機(jī)取33.5倍，壓縮機(jī)、軸流風(fēng)機(jī)取2.53倍（詳見表五），與用戶協(xié)商起動(dòng)電流倍數(shù)和起動(dòng)時(shí)間，計(jì)算熱變電阻阻值。表五：負(fù)載類型燒結(jié)風(fēng)機(jī)離心風(fēng)機(jī)高爐風(fēng)機(jī)(高速增壓離心)旋轉(zhuǎn)式壓縮機(jī)軸流風(fēng)機(jī)往復(fù)式壓縮機(jī)羅茨風(fēng)機(jī)起動(dòng)電流倍數(shù)Ki33.52.83.52.83.522.5起動(dòng)時(shí)間40S60S30S40S30S40S10S20S六、維護(hù)警告！ 維護(hù)工作只能由訓(xùn)練有素的專職人員執(zhí)行。1） 注意事項(xiàng)1電阻值的調(diào)整應(yīng)在生產(chǎn)廠家的的指導(dǎo)下進(jìn)行。2電機(jī)起動(dòng)過程中的保護(hù)整定應(yīng)能覆蓋起動(dòng)時(shí)間，同時(shí)應(yīng)有其它保護(hù)方式確保電機(jī)起動(dòng)過程的安全。3本熱變電阻適用于不頻繁起動(dòng)

15、場所,允許電動(dòng)機(jī)連續(xù)三次起動(dòng)或累計(jì)起動(dòng)時(shí)間不大于120S。4每次起動(dòng)之前應(yīng)檢查電阻器的液位是否在正常位置，柜內(nèi)及接線端有無異常。5定期檢查項(xiàng)目對地耐壓（工頻耐壓）。按表六進(jìn)行，時(shí)間為1min。6嚴(yán)格按照操作步驟，啟動(dòng)完畢后必須使高壓熱變軟起動(dòng)裝置脫離帶電狀態(tài)。2）保養(yǎng)維護(hù)1應(yīng)保持配電間及柜體的干燥，清除柜內(nèi)設(shè)備上的灰塵雜物。2器件活動(dòng)部位應(yīng)有干凈的潤滑油。3熱變電阻運(yùn)行參數(shù)不得超過銘牌指定值。4熱變電阻每隔六個(gè)月應(yīng)檢查一次，檢查全部緊固螺栓有無松動(dòng)，接線有無脫落，以及頻繁使用的二次控制器件，檢查聯(lián)鎖是否有效等。出現(xiàn)問題及時(shí)調(diào)整。5經(jīng)常檢查液體液位是否在規(guī)定的范圍之內(nèi)，若液位太低應(yīng)加適量清水保持

16、液位。七、包裝、運(yùn)輸、貯存及開箱檢查1包裝要求依據(jù)用戶可選用簡易包裝，國內(nèi)包裝及出口包裝要求。2電阻柜不可躺倒搬運(yùn)，以免損壞柜體及絕緣箱體，搬運(yùn)及存放傾斜角不宜超過15°，特殊要求請另行與制造廠家協(xié)商。用叉車或吊車搬運(yùn)包裝箱，搬運(yùn)時(shí)應(yīng)避免撞擊，起吊時(shí)應(yīng)按儲(chǔ)運(yùn)標(biāo)志吊裝。3貯存時(shí)應(yīng)避免日曬及雨淋。4開箱前應(yīng)檢查包裝是否完好，破損嚴(yán)重應(yīng)與運(yùn)輸單位交涉，或與我公司聯(lián)系。開箱起吊柜體時(shí)，應(yīng)勾在柜頂?shù)牡醐h(huán)上。起吊時(shí)候應(yīng)該采用4點(diǎn)吊裝，并保證4點(diǎn)受力均勻，以免柜體受力不勻而變形。八、訂貨須知：1所配電機(jī)型號(hào)、功率、電壓、電流、堵轉(zhuǎn)電流、轉(zhuǎn)速、起動(dòng)轉(zhuǎn)矩倍數(shù)、最大起動(dòng)轉(zhuǎn)矩倍數(shù)、電機(jī)及負(fù)載GD2、母線最

17、小短路容量、負(fù)載阻力矩變化曲線、所配設(shè)備名稱及工作制要求；2所選電機(jī)的高壓起動(dòng)主回路方案、拼柜排列圖、配電室平面布置圖;3特殊要求請另行與制造廠家協(xié)商。HTR Series of High-voltage Thermal Resistor 1 OverviewHTR Series High-Voltage thermal resistor (brief in HTR hereinafter) is suitable for large-capacity high-voltage AC squirrel-cage asynchronous motors or high-voltage synch

18、ronous motors with asynchronous starting, used to reduce the starting voltage. The motor started with this device has characteristic that starting current is little and constant, torque gradually increase, and the process of starting has no current impact and mechanical shock, little impact on the e

19、lectricity grid, and no electromagnetic interference. HTR is an ideal alternative of starting reactor and autotransformer starter products. Compared to the large capacity high-voltage frequency soft starter, it is also has advantages of simple operation, maintenance-free, non-harmonic pollution and

20、others. HTR is widely used for soft start of high voltage motor in voltage level of 3KV, 6KV, 10kV, and power level of 250kW to 45000kW or even greater capacity. The device uses five patent technologies which is the most advanced in same type of products in home.Patent Number: ZL 97 2 41662.X ZL 99

21、2 45458.X ZL 03254078.XZL 02290367.X ZL 03254077.X.2 Working conditionEnvironment temperature: the upper limit of 60 ° C (24 hour average temperature does not exceed 55 ° C), the lower limit of -5 ° C;The relative humidity less than 85 percent; High altitude not more than 2,000 m;It s

22、hould be lay in place that has no severe shock and vibration and the vertical gradient not more than 5 °Installation sites not allow any conductive dust and corrosive gases; no fire and explosion hazards.Note: altitude height more than 2,000 m, users should note when ordering.3 Type explanation

23、4 Product features4.1 Working principleHTR is composed of the three phase equilibrium negative temperature resistance. When current through the resistor, resistor temperature gradually increases and resistance values gradually reduces so that motor terminal voltage gradually increase and starting to

24、rque gradually increase to achieve a purpose of smooth start and low motor starting current. The device works with high-voltage soft start control cabinet, isolation cabinet, switching cabinet and star point control cabinet. Being connected in motor starter circuit, complete the starting of motors a

25、nd motor protection in the process of starting.4.2 Performance featuresAccording to product performance and the different configuration plan, we divide HTR into HTR3, HTR4, HTR6 three series to meet the needs of different users. See Table 1 to know about specific performance characteristics, in acco

26、rdance with user requirements it can be adjusted accordingly.HTR3, HTR4, HTR6 series all have the following basic characteristics:1) Constant current and soft start: starting current is 2.0 to 3.5 times of rated current. Reduce the heat generated when starting, and effectively extend motor life; 2)

27、Guarantee successful start for once, free from grid voltage fluctuations and the influence of changes of load;3) Start smoothly, no impact on the mechanical equipment;4) Little impact on power grid, low voltage drop of power grid;5) Starting with high power factor; 6) Non-harmonic pollution;7) Stati

28、c resistance start, safe and reliable;8) Simple operation, maintenance-free1) Direct starting current curve2) Starting current curve after series connection of resistor1) Motor natural characteristic 2) Motor characteristic after series connection of resistor3) Load torque 4) Shade area shows speedi

29、ng up torqueHTR3 series are standard designed, with performance characteristics that constant and low motor starting current, low voltage drop, high power factor at the start, no harmonic pollution, simple, safe and reliable. HTR4 series are resistance adaptive soft start device, using PLC intellige

30、nt control to automatically detect and automatically adjust initial resistance value, in order to ensure start characteristics consistency under different circumstances.HTR6 series are completely sealed, intelligent, high-reliability, long-life designed, and has the following unique properties:1) En

31、vironmental adaptability: it can adapt to cold, high humidity, high elevation, corrosion gas and harsh circumstances;2) A friendly man-machine interface: it can be easily observed, operated and recorded;3) PLC intelligent control: according to the practical environment condition to adjust starting t

32、ime, and parameters such as resistance values, in order to ensure the stability of starting performance;4) A communications interface: it can bring about long-distance communications and computer centralized control;5) Real-time starting current and voltage curve print (related to users equipment su

33、pport); 6) Automatic monitoring of the state of various parameters, and can be uploaded and printed;7) With automatic fault detection, automatic alarm and comprehensive protection;8) Completely sealed, maintenance-free and service life more than 30 years.Table 1 Performance characteristic list of HT

34、R3、HTR4、HTR6 series HTRSequence numberPerformance and configurationHTR3 seriesHTR4 seriesHTR6 series1Constant current soft start2Low voltage drop when start3High power factor when start4Safe(resistance changes in static state)5Trouble-free, Maintenance-free6Liquid level detection7Infrared temperatur

35、e measurement8Adjustable initial resistance value 9Main material of electrodeCuNiTi10Environmental temperature on the impact of the initial resistance 2%11PLC control12Service life 30 years13Completely sealed14Applicable to harsh environment15Communication interface(RS232,RS485)16HMINote: The above

36、functions and configuration for reference purposes only, different systems may have some changesType Applicative power of motor（kW）Starting current rangeContinual start times Temperature rise for every start<Outline dimension（Width ×Length× Height)A×B×HNet weight (ton）Weight a

37、fterresistorconfigurationHTR3-5005002.0-3.5IeThree times or cumulative starting time is not more than 120 S101600×1200×23001726HTR3-100050010001600×1200×23001930HTR3-1600100016001800×1200×230020536HTR3-2000160020002000×1200×23002240HTR3-2500200025002700×1

38、600×23002554HTR3-3200250032003300×1600×23003066HTR3-4500320045003600×1600×23003886HTR3-6000450060004200×1600×230045102HTR3-8000600080004500×1600×265047115HTR3-100008000100004800×1600×265050130HTR3-1500010000150005400×1800×265070170HTR3

39、-2200015000220006000×1800×265086215Type Applicative power of motor（kW）Starting current rangeContinual start times Temperature rise for every start<Outline dimension（Width ×Length× Height)A×B×HNet weight (ton）Weight afterresistorconfigurationHTR4-5005002.0-3.5IeThree

40、times or cumulative starting time is not more than 120 S101600×1200×26502231HTR4-100050010001600×1200×26502436HTR4-1600100016001800×1200×26502642HTR4-2000160020002000×1200×26502848HTR4-2500200025002700×1600×26503054HTR4-3200250032003300×1600

41、5;26503166HTR4-4500320045003600×1600×26503886HTR4-6000450060004200×1600×265045102HTR4-8000600080004500×1600×265047115HTR4-100008000100004800×1600×265050130HTR4-1500010000150005400×1800×265070170HTR4-2200015000220006000×1800×265090215Type Ap

42、plicative power of motor（kW）Starting current rangeContinual start times Temperature rise for every start<Outline dimension（Width ×Length× Height)A×B×HNet weight (ton）Weight afterresistorconfigurationHTR6-5005002.0-3.5IeThree times or cumulative starting time is not more than 1

43、20 S101800×1600×26502231HTR6-10005001000101800×1600×26502436HTR6-160010001600101800×1600×27502642HTR6-200016002000101800×1600×27502853HTR6-250020002500103300×1600×28003166HTR6-320025003200103300×1600×28004072HTR6-45003200450084200×1600

44、×28005086HTR6-60004500600084200×1600×280060117HTR6-1000060001000084800×1600×280070146HTR6-15000100001500085700×2000×280085188HTR6-22000150002200086000×2000×2800107245HTR6-32000220003200089000×2000×2800151360HTR6-450003200045000810800×2000&#

45、215;28002015105 Installation and troubleshooting（1） Installation notes: 1 HTR should be installed in independent and safe place.2 The ground should be level. HTR should be installed on channel steel base. Channel steel base level error should be less than 0.2%. HTR and channel steel base are fixed b

46、y welding method. The cable uses different way of outgoing line according to the plan and users requirement. 3 After installation insulation resistance and voltage resistance testing should be carried out.4 HTR may have a few isolated cabinet (or box), the installation should be done as required lay

47、out.（2） Resistor liquid configuration:1 Learn about grid parameters (minimum short circuit capacity, fixed load, etc.) and relay protection setting value, the electrical parameters, and load parameters.2 To determine starting current multiples according to load parameters, such as sintering fan from

48、 3 to 3.5 times, compressors, axial fan from 2.5 to 3 times (see Table 5), and in consultation with users to decide starting current multiples and starting time, then calculate HTR resistance.Table 5Load typesSintering fan Centrifugal fanBlast furnace blower (High-speed centrifugal supercharger)Rota

49、ry Compressor Axial FanReciprocating Compressors Roots blowerStarting current multiples Ki33.52.83.52.83.522.5Starting time40S60S30S40S30S40S10S20S6 MaintenanceWarning！ Maintenance work is only done by well-trained person.（1）Note 1 Adjustment of resistance value should carry out under the guidance o

50、f the manufacturer.2 Motor start protection setting should be able to cover starting time, and there should be other ways to ensure the safety of motor starting process.3 HTR does not apply to frequent starting situation, only allowing three consecutive starting times or a total time of not more tha

51、n 120 S.4 Before each start check the liquid level resistor whether is in the normal position, and whether the cabinet and wiring terminal is normal.5 Regularly check items voltage resistance to earth (frequency voltage resistance), according to Table 6, for 1 minute.6 Strict accordance with the ope

52、rational steps, and make sure that HTR isolate from charged state after the start.（2） Maintenance 1 Keep the distribution room and cabinet dry, and remove of dust or debris inside of cabinet.2 There should be clean lubricant oil on device active place.3 HTR operating parameters shall not exceed the specified value on nameplate.4 HTR should be checked every six months to c