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As an important ancillary service for smart grid, voltage support has the capability to improve the grid condition when grid voltage unbalanced fault occurs. Several solutions, taking into account not only the root mean square voltage, but also the shape of the voltage fault, have been proposed. In particular, the control scheme proposed in this study introduces two contributions: a novel reference...
This paper presents the principle of Direct Power Control (DPC) and Voltage Oriented Control (VOC) for a three-level Neutral point clamped (NPC) grid connected inverter. Considering balancing of the neutral point, a switching table with neutral point voltage control is derived for DPC. The two control algorithms are successfully implemented in a test bench, and an experimental comparison is conducted...
For parallel applications running on high-performance clusters, performance is usually satisfied without paying much attention to energy consumption. In this paper, we develop a new scheduling algorithm called Energy efficient Scheduling Algorithm based on DVS and Dynamic threshold (ESADD), which combines dynamic threshold-based task duplication strategy with dynamic voltage scaling (DVS) technique...
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