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Re: 若我將MCLV Inverter電路結構改為上臂P MOS,下臂N MOS,那麼 dsPIC 中的MCPWM Module參數需做哪些調整,需注意哪些問題?
#2
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dsPIC30F & 33F Motor Comtrol 系列,在燒錄時 Configuration Bits 裡有一選項 High-Side/Low-Side PWM Output Polarity 選項選 Active Low。

發表於: 2009/6/19 14:32
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若我將MCLV Inverter電路結構改為上臂P MOS,下臂N MOS,那麼 dsPIC 中的MCPWM Module參數需做哪些調整,需注意哪些問題?
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由於目前Microchip的MCLV發展版其Inverter級皆為上下N Channel MOSFET,故需配合使用具Boost Strip電路功能的IC來驅動,且上臂即使不考慮dead time,因Boost Strip電路特性的關係亦無法進行全導通, 想請問若我將Inverter電路結構改為上臂P MOS,下臂N MOS,那麼 dsPIC 中的MCPWM Module參數需做哪些調整,需注意哪些問題?

發表於: 2009/6/18 15:20
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