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The paper presents a novel space vector modulation strategy for a single phase three-level neutral-point-clamped(NPC) inverter. Based on the operating principle of NPC inverter, this strategy overcomes one of the main problems of this inverter, which is the DC-link capacitors voltage unbalancing problem that appears in the neutral point under some operating conditions. The algorithm is a hybrid pulse-width...
In order to identify and locate faults in large power systems quickly, efficiently and accurately, this paper has presented a method of detecting and diagnosing faults. The method involving of a distributed architecture,integrated multiple communication protocols and the compound standard storehouse is used to analyze the real-time and historical data collected by the equipment. For this purposes,...
The real-time simulation is in demand to study the control strategies and the protection measures of isolated power systems, which are equipped with special components like 3/12-phase double winding generators to meet the AC and DC power supply demand simultaneously. But right now no power system real-time simulators offer the simulation models of these components, and hence it is compulsory to study...
Using multiple sensors to track targets, due to communication delays and variable signal pre-processing time, will lead to out-of-sequence measurement problems. In this paper, based on sequential Bayesian formula and Gaussian particle filter, a novel out of sequence measurement processing algorithm is developed. In essence, this algorithm uses importance sampling to update the posterior means and...
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