A system power leveling device 4 comprises a bidirectional converter connected to the system bus 9 from the 41, 1 power supplies electric power to the load and has a first and second switching elements 411, 412; the bidirectional converter connected to the power storage device 41, the capacitor group 42; for the first set of the power requirements load part; charge charge and discharge control of the bidirectional converter controls the electric power storage device 41 through the first part of the power in the provisions of the provisions of the discharge control Part 43 based on second provisions; and charge or discharge current or power part; wherein the charge discharge control part has a first pass on / off control part, which is used when charging or discharging, a \keep off\ at the same time in the first and the second switching element, keeping the other one as a \pass\ or \off \Until the difference between the charging or discharging current or power of the target value and the provisions of part by the second provisions of the specified value becomes smaller than a first threshold, and then through to another switch on / off operation using pulse width modulation feedback control makes the prescribed value close to the target value.
【技术实现步骤摘要】
【技术保护点】
１．一种系统功率调平装置（４）包括：连接到系统母线（９）的双向转换器（４１），其从电源（１）提供电功率给负载并且具有第一和第二开关元件（４１１，４１２）；连接到所述双向转换器（４１）的电力存储装置（４２）；用于规定所述负载的功耗的第一规定部分；充电－放电控制部分，其基于在所述第一规定部分规定的功耗通过控制所述双向转换器（４１）来控制所述电力存储装置（４２）的充电和放电；以及规定所述充电或所述放电的电流或电功率的第二规定部分；其中所述充电－放电控制部分具有第一通／断控制部分，用于当进行所述充电或所述放电时，在所述第一和第二开关元件中的一个保持“断”的同时，保持另一个为“通”或...
【技术特征摘要】
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【专利技术属性】
技术研发人员：Y·塔凱奇，N·阿里亚马，
申请(专利权)人：GE医疗系统环球技术有限公司，
类型：发明
国别省市：US
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