本論文旨在開發具兩種功因校正前級之標準與無位置感測切換式磁阻馬達驅動系統。首先，建構一具非對稱橋式轉換器之標準切換式磁阻驅動系統，由其操控體會一些基本及關鍵事務。藉由電力電路及控制機構之適當設計，所建馬達驅動系統具良好驅動特性。接著，本文提出基於電壓窄波注入之切換式磁阻馬達無位置感測控制架構。藉由數位訊號處理器之脈寬調變通道，注入適當頻率及導通時間之脈波電壓於馬達非激磁相線圈。由感測電流獲得估測之霍爾訊號，並將其用以從事切換式磁阻馬達驅動之換相操作。再施行適應性及直觀性換相時刻調控以獲得等值之最大轉矩/安培。所建無位置感測控制切換磁阻馬達驅動系統具媲美於標準系統之操控性能，如良好之加/減速、動態響應、反轉以及再生煞車等操作特性。
接著，開發一個三相六開關四象限升壓切換式整流器，並將其作為切換式磁阻馬達驅動系統之前級轉換器。其具可調及良好調節能力之直流鏈電壓，可有效增強切換式磁阻馬達在高速下之驅動性能，且可將再生煞車能量送回市電。此外，本論文開發一新型具功因校正之前級轉換器，其由一橋式整流器並接一並聯式主動式濾波器組成。可用較低容量之功率模組達成再生煞車和功因校正，然而其直流鏈不具升壓與穩壓能力。最後，應用所建二種交流-直流前級轉換器供電之切換式磁阻馬達驅動系統，將實測比較評估其驅動特性。

This thesis is mainly concerned with the development of a standard and a position sensorless switched-reluctance motor (SRM) drives equipped with two kinds of power factor corrected (PFC) AC/DC front-end converters. First, for comprehending the basics and key issues of SRM, a standard SRM drive with asymmetric bridge converter is established. Good driving characteristics obtained via properly designing its schematic and control scheme are confirmed experimentally. Next, a SRM position sensorless control scheme based on narrow pulse voltage injection is proposed. The voltage pulses with suited frequency and duration are injected into the unexcited phase winding via the embedded DSP PWM channel. An observed Hall signal is yielded from the sensed current and used for making the commutation operation of SRM drive. Then the adaptive and intuitive tunings for the commutation instant are performed to achieve the equivalent maximum torque per ampere (TPA) characteristics. The established position sensorless controlled SRM drive possesses good driving performance comparable to those of standard one in acceleration/deceleration, dynamic response, reversible and regenerative braking operating characteristics.
Next, a three-phase six-switch four-quadrant boost SMR is developed and used as the front-end of the SRM drive. The DC-link voltage of the SRM drive is adjustable and well regulated for effectively enhancing the SRM driving performance under higher speeds. Moreover, the recovery of regenerative braking energy back to the mains is achievable. Furthermore, a new PFC front-end consisting of a diode rectifier and an anti-paralleled active power filter (APF) is proposed. It allows the use of IGBT module with lower rating to achieve the regenerative braking and PFC functions. However, the DC-link voltage boosting and regulating abilities are sacrificed. Finally, the SRM drive powered from the three-phase six-switch SMR and the proposed APF based PFC front-end are comparatively evaluated their performances.

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