【正文】
provide gentle decreasing voltage, making the system a smooth stop. HPMVDN 中高壓交流電動機固態(tài)軟起動裝置是基于第三代數(shù)字微處理器控制技術和現(xiàn)代電力電子控制技術設計的新型電氣高科技設備,是為高壓大型電動機軟起動提供的專用設備,可為電動機提供最佳的降壓限流式軟起動方式。為適用不同的負載條件,達到更好的起動效果,裝置設計了多種控制功能 ,實現(xiàn)以起動電動機所需的最小電流來平穩(wěn)加速起動,有效的降低起動時電網壓降,克服起動時的電流沖擊和機械沖擊;需要軟停時,能向電動機提供平緩漸減的可控電壓,使 系統(tǒng)平穩(wěn)停車。使設備控制實時高效,穩(wěn)定性好,可靠性高。 3. Advanced optic fibre transmission control technology and unique fibre trigger system can realize plete isolation of the high voltage chamber and low voltage chamber, and plete isolation of triggering/inspection of high voltage thyristors and highlow voltage control circuits. 采用先進的光纖傳輸控制技術,獨特的光纖觸發(fā)系統(tǒng)使高壓室和低壓室完全隔離,實現(xiàn)高壓晶閘管的觸發(fā)、檢測及高低壓控制回路之間的安全隔離。 5. Heavy duty designing does not need to reduce power capacity at the high temperature of 50186。 6. Static and dynamic average voltage technology guarantees the reliable amp。 7. Advanced wireless voltage testing technology. Electronic EVT technology, stable signal munication, no interference or phase displacement. 先進的無線電壓測量系統(tǒng)技術,采用電子 EVT(電子電壓互感器)技術,信號可靠,無干擾和相移 。 9. Six stop curves can use for different mechanical traits and adjust the ultimate torque to avoid the water hammer effect for pumps. 六條停止曲線,以適應不同負載機械特性 ,并有最終轉矩可調功能,有效防止泵類負載停機產生的水錘效應。 11. Pulse kick function improve start torque for high static torque system. 脈沖突跳功能,提高起動轉矩,適用高靜阻力矩系統(tǒng)。 13. Innovated low voltage test method: applying small power low voltage motors to test all functions by coordinating standard builtin features. Simulation test through 380V motors before installation onsite can provide technical reference and base for formal operation. 創(chuàng)新的低壓測試模式:在不接通高壓電源的情況下 ,利用小功率低壓電機配合標準內置特性進行全功能測試, HPMVDN 中高壓交流電動機固態(tài)軟起動裝置可在現(xiàn)場運行前采用低壓( 380V)電機進行模擬調試,為正式運行提供技術依據(jù)和保證。并可與 KYN28A12 標準型中置柜方便并柜。 16. Dual parameters setting: two sets of start/stop parameters can be input regarding double speed motors,grid supply/generator supply,or a soft starter control two terminals can be used for select the required parameters to running. 雙重參數(shù)調整功能:對于雙速電動機,或電網供電 /發(fā)電動機供電場合,或一拖二時兩電臺動機參數(shù)不一樣的情況可輸入兩套起、停參數(shù),通過可編程端子可方便的調出所需要的一套參數(shù)投入起動運行。 18. HPMVDN after start process ,motors are supplied by grid power supply and run through bypass. At the same time, the soft starter remains entire protection for motors. HPMVDN在起動過程結束后,電動機由電網工頻供電,旁路運行,同時軟起動器對電機及自身的各種保護依然有效。 3. Control panel: control panel on cabi, romated control. 控制方式:內控、外控。 5. Current limit: 100%~ 400%Ie( according to site condition) 限流倍數(shù): 100%~ 400%Ie(根據(jù)現(xiàn)場工況而定)。 7. Pulse start: 80%un, adjustable time:0~1s 脈沖突跳起動:脈沖電流: 70~700% FLA;脈沖時間: 010S可調。 display current, start times, running time faulty message and so on. LCD 液晶顯示:可通過面板按鍵設置參數(shù),采用中文菜單顯示工作電流、起動次數(shù)、運行時間及故障信息等參數(shù)。 10. Space time of sequent starting: No less than 15 mins while the condition is higher than 40℃ ,current is more than 400%Ie. No less than 6 mins in case of condition is better. 連續(xù)起動間隔:在環(huán)境溫度大于 40℃,起動電流大于 400%Ie時,間隔不小于 15分鐘;當溫度較低和起動電流相對較小時,可適當減小間隔,但至少為 6分鐘 11. Cooling: bearing fan cooling . 冷卻方式:自然冷卻。 操作電源: AC220V/50Hz 1000VA(用戶提供)。 Ⅵ . Protection functions 保護功能 1. Phase loss: When any phase lack, tripping protection. 缺相保護:當任意一相缺失時,跳閘保護。(注:不允許反轉) 3. Wrong connection: When the motor is not received or on the starter motor internal open circuit, tripping protection. 接線錯保護:當電機未接到起動器上或電機內部開路,跳閘保護。 5. Under voltage: electric voltage is lower than 65% rated voltage, actitive after 1~10 sec(adjustable). 欠壓保護:當電網低于額定電 壓 65%時 ,時間延遲 1~ 10S(可設置 ),跳閘保護。 times of rated current, actitive after 1 cycle. 過流保護: 5倍額定電流 1~ 10s斷開(可設置), , 1個周波斷開。 8. Under current: main current is lower than (20~90%) rated current, actitive after 1~40 sec(adjustable). 欠流保護 : 運行中,當主電流下降到低于 20~ 90%額定電流時(可設置) ,時間延遲 1~40秒 (可設置 ),跳閘保護。 10. Groud fault current: while the current of grouding is higher than (10~100%) set parameter, actitive after 1~40 sec(adjustable). 接地電流保護:當接地電流超過設定數(shù)值( 10~ 100%可調) ,延時動作時間后( 1~ 60秒可調) , 起動器跳閘保護。 12. Shorted SCR: any or several SCRs short circuit. 晶閘管短路保護:任一(或多 只)晶閘管短路,跳閘保護。 14. Space time of starting: while “ over frequency” indicated, starting is not allowed during 1~60 mins (changeable) 起動間隔:在“起動過頻”指示后 ,禁止起動時間在 1~ 60分鐘內(可設置) ,限制再起動。 16. External faults: protected by dry contact input. 外部故障:可通過干接點輸入進行跳閘保護。 The limit of ambient air temperature is: temperate regions of 25 ℃ , cold region for 50 ℃ . 戶內裝置的周圍空氣溫度不超過+ 50℃,且其 24h內的平均溫度值不超過+ 35℃;周圍空氣溫度的下限為 0℃。 Note: the above the lower limit of ambient air temperature is refers to the plete sets of equipment enclosure surrounding air temperature, air temperature inside the device of the lower limit of 0 ℃ .For occasions may be lower than 0 ℃ , in soft start cabi is equipped with heating device. 注:上述周圍空氣溫度的下限是指成套裝置防護外殼周圍的空氣溫度,而裝置的內空氣溫度下限為 0℃。 2. Equipment surrounding air relative humidity: less than 50% when + 40 ℃ .At lower temperature, the larger is allowed in the relative humidity. 設備 周圍空氣相對濕度 :在+ 40℃時不超過 50%。 3. Equipment surrounding environment, no explosion danger, corrosion and pollution 設備 周圍 環(huán)境無爆炸危險和腐蝕、污染。 5. Vibrate: conditions of vibration, the vibration of the installation site is allowed: vibration frequency of 10Hz ~ 150Hz, vibration acceleration is not more than M/S2. 振動 :安裝地點所允許的振動條件:振動頻率為 10Hz~ 150Hz,振動加速度不大于 6. Power supply of main loop: 10 kV / 50 Hz/threephase voltage continued volatility does not exceed 15% ~ + 15%. 主回路電源: 10KV/50Hz/三相 電壓持續(xù)波動不超過 - 15%~+ 10%。 The change of frequency speed not more than + / 1% per second 頻率波動不 超過 177。1% 。 2. A variety of integrated circuit choose wellknown brand such as Motorola, Maxim ,is original imported products 各種集成電路選用 Motorola、 Maxim等知名公司原裝進口產品。 4. Inlet and outlet :cable down in,down out 進、出線方式:電纜連接下進下出。 X. Appendix 附件 1. HPMVDN