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To improve battery cell balancing speed, a novel switched capacitor (SC) circuit combining the conventional SC circuit and the optimized SC circuit is proposed in this paper. It has the advantage that the balancing speed is independent of number increase as well as initial voltage variation of battery cells. The equivalent model of the proposed circuit is developed and analyzed in this paper. Compared...
In electric vehicles (EVs), Li-ion battery has been applied as the main power source. To give enough power and energy to the system, single Li-ion battery cells will be connected in series and parallel to make a battery pack. Thus, cell equalization for battery pack has been an important topic in battery management system (BMS). Recently, researches have proposed different topologies and control strategies...
In this paper is presented results of studies about disable 3-phas capacitor bank through vacuum circuit breaker. All simulation are generated in ATP/EMTP programme and all results comes from this simulations. In this paper is analyzed values of overvoltage and overcurrent appears in 3-phas capacity circuit when the neutral point of capacitor bank is insulated and neutral point of network is grounded.
If energy requirements of electronic components decline reasonably, then ambient energy scavenging and conversion could become a viable source of power for many applications. Ambient energy sources can be then considered and used to replace batteries in some electronic applications, to minimize product maintenance and operating cost. Power scavenging may enable electronic devices to be completely...
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