نتایج جستجو برای: negative sequence current
تعداد نتایج: 1633578 فیلتر نتایج به سال:
For decades, the fundamental driving force behind energy-efficient and cost-effective electronic components has been downward scaling of devices. However, due to approaching limits silicon-based complementary metal-oxide-semiconductor (CMOS) devices, various emerging materials device structures are considered alternative aspirants, such as negative-capacitance field-effect transistors (NCFETs),...
the methods which are used to analyze microstrip antennas, are divited into three categories: empirical methods, semi-empirical methods and full-wave analysis. empirical and semi-empirical methods are generally based on some fundamental simplifying assumptions about quality of surface current distribution and substrate thickness. thses simplificatioms cause low accuracy in field evaluation. ful...
The traction motor (TM) is an essential part of the high-speed train, health condition which determines quality and safety vehicle. Hence, this study proposed a novel approach to diagnosing predicting TM stator interturn short-circuit fault (SISCF). Based on Park vector (PV) current, method could overcome interference current sensor errors, null shift, frequency fluctuations in actual condition...
This article presents a novel modulated model-predictive control (MMPC) scheme for modular multilevel cascaded converter-based static synchronous compensator (STATCOMs) (MMCC-STATCOMs) to compensate unbalanced load current and regulate reactive power flow. By adding common-mode voltage (CMV) the phase-voltages of star-connected MMCC model, method allows natural injection nonsinusoidal neutral p...
Given a sequence Q of n numbers positive and negative the maximum subsequence of Q is the contiguous subsequence that has the maximum sum among all contiguous subsequences of Q Given a two dimensional array A of n n numbers positive and negative the maximum subarray of A is the contiguous subarray that has the maximum sum among all contiguous subarrays of A We present two O log n time parallel ...
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