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Accurate battery state of charge (SOC) estimation can contribute to a reasonable charging/discharging strategy for battery management systems (BMSs). It can also prevent severe damage to the battery (pack) caused by over-charging or over-discharging. This work develops a battery SOC estimation method based on a simplified electrochemical model. Simulated validation under dynamic current loads at room...
The 10kV, 35kV and 110kV/1000A ac energy meter based on three-phase four-wire floating-ground theory is described. The floating-ground safety protection design, Faraday shielding technique and dc self-supply method are integrated in those meters based on the new I/V, V/V techniques to realize high accuracy, reliability and wide linearity performance. The accuracy of 10kV, 35kV and 110kV energy meter...
Cloud provider should ensure QoS while maximizing resources utilization. One optimal strategy is to timely allocate resources in a fine-grained mode according to the actual resources demand of applications. The necessary precondition of this strategy is obtaining future load information in advance. We propose a multi-step-ahead load forecasting method, KSwSVR, based on statistical learning theory...
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