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- locked rotor exciting current 堵轉激磁電流
- The performance of electrically excited synchronous motor(ESM) drive is directly influenced by the rotor excitation current control strategy of ESM. 目前電勵磁同步電機直接轉矩控制研究在中國還是一個(gè)空白,其轉子上存在阻尼繞組,必然對電機的動(dòng)態(tài)行為產(chǎn)生影響。
- The performance of electrically excited synchronous motor (ESM) drive is directly influenced by the rotor excitation current control strategy of ESM. 摘要同步電機轉子勵磁電流控制方式直接影響電機的運行特性。
- Maximum motor start current under full voltage start conditions is defined by the motor‘s Locked Rotor Current (LRC). 全電壓起動(dòng)條件下最大電機起動(dòng)電流是由電機鎖定轉子電流(LRC)確定的。
- It also includes, Hall element inputs, a sequencer for commutation control, fixed off time pulse width modulation (PWM) current control and locked rotor protection. 它還包括霍爾元件輸入、整流控制定序器、固定停機時(shí)間脈沖寬度調制(PWM)電流控制以及鎖定轉子保護。
- An ambient field aids the magnetization from the exciting current. 背景場(chǎng)加強了激勵電流的磁化強度。
- Rotor Excitation Current Control Strategy of Electrically Excited Synchronous Motor Drive Based on DTC 基于直接轉矩控制電勵磁同步電機轉子勵磁電流控制策略
- Motor start torque performance is indicated by the motor‘s Locked Rotor Torque (LRT) figure. 電機起動(dòng)扭矩性能是由電機的鎖定轉子扭矩(LRT)圖表示的。
- Internal circuit protection includes thermal shutdown with hysteresis, under voltage lockout, locked rotor and dead time protection. 內部電路保護包括因滯后引起的過(guò)熱關(guān)機、欠壓鎖定、轉子鎖定以及停機時(shí)間保護。
- rotor excitation current 轉子勵磁電流
- It is the key problem for studying the exciting current in the transformer under DC bias magnetization. 在直流偏磁條件下變壓器勵磁電流是研究變壓器直流偏磁特性的關(guān)鍵。
- All 3S industries transformers are 100% tested for turns ratio, exciting current, phasing & hipot. 所有的工業(yè)級別變壓器都經(jīng)過(guò)回轉比率、定相等100%25的測試。
- The development of brushless exciting is restricted by the difficulty of exciting current measurement and rotating rectifier faults monitoring. 無(wú)刷勵磁系統中對勵磁電流測量以及對旋轉整流器故障監測困難是制約該勵磁方式發(fā)展的一大障礙。
- A silicon controlled rectifying chopper is used to control exciting current so as to adjust the output voltage of generator automatically. 利用可控硅斬波器控制勵磁電流來(lái)自動(dòng)調節發(fā)電機的輸出電壓。
- Actually to ensure the effect of soft-contact continuous casting, the power input should be increased to compensate the decrease in exciting current if the frequency increases. 在實(shí)際生產(chǎn)中,如果需要提高電源輸入頻率,則應該同時(shí)適當的增大電源功率來(lái)彌補激勵電流的減小,以保證軟接觸效果。
- A mathematical model of the fault operating crack rotor excited by electromagnetism is established. 建立了雙質(zhì)量裂紋轉子扭振參數激勵系統的數學(xué)模型。
- In this paper, a measurement and control system in exciting current of eddy current dynamometer was designed with CAN.The architecture and function of main module are introduced. 摘要介紹了一種基于CAN總線(xiàn)開(kāi)發(fā)設計的電渦流測功機勵磁電流數字控制系統,給出了該系統的硬件總體結構設計和軟件設計流程。
- This paper analyzes the forming process of unloading voltage and the relations among unloading voltage, phase electromotive force, exciting current and rotational speed in an alternator. 分析了變壓器空載合閘時(shí)激磁電流和磁通瞬態(tài)過(guò)程 ,討論了合閘時(shí)引起過(guò)電流保護裝置動(dòng)作的原因 ,并提出了解決方法。
- In the IF transformer,the measure of improving exciting current was taken,and higher velocity of dragging charge from parallel capacitor when light loaded or no loaded was achieved to meet the condit. 在中頻變壓器中采用了加強激磁電流的措施,加快空載或輕載條件下前臂并聯(lián)電容拉電荷的速度,從而滿(mǎn)足了全橋準相移零壓零流軟開(kāi)關(guān)主電路中前臂零電壓開(kāi)通和關(guān)斷的條件。
- He chiseled a hole in the door to fit a new lock. 他在門(mén)上鑿了個(gè)孔,以便裝一把新鎖。