Simple Dynamic Overmodulation Strategy for Fast Torque Control in DTC of Induction Machines With Constant-Switching-Frequency Controller
作者： Auzani Jidin , Nik Rumzi Nik Idris , Abdul Halim Mohamed Yatim , Tole Sutikno , Malik E. Elbuluk
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摘要: This paper presents a simple dynamic overmodulation method to obtain fast torque response in direct control (DTC) of induction machines with constant-switching-frequency controller. A can be obtained by switching only the most optimized voltage vector during condition. The identified comparing rate change produced between applications two possible active vectors, according flux position. selection simply implemented modifying error status before it is being fed lookup table. It will shown that proposed strategy facilitates DTC perform under six-step mode achieve fastest response. effectiveness verified some experimental results.
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