Charge equalization apparatus with parallel connection of secondary windings of multiple transformers
一种电荷均衡、次级线圈的技术,应用在电荷均衡电路、多个同步电池的安排、集电器等方向,能够解决次级线圈制造难度、变压器制造难度、电池组提供能量的性能限制等问题,达到便于实现、减少匝数比的效果
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[0041] figure 2 It is a diagram showing the structure of a charge equalization device in which secondary coils of a plurality of transformers are connected in parallel according to one embodiment of the present invention.
[0042] Referring to the drawing, a charge equalizing device in which secondary coils of a plurality of transformers are connected in parallel is constructed such that transformers T1˜TN respectively corresponding to battery cells B1˜BN are provided with respective iron cores, and primary coils M11˜M1N and secondary coils M11˜M1N are provided. The primary coils M21 to M2N are wound around respective iron cores.
[0043] That is, in the case of a conventional charge equalizing device using current switches, a plurality of primary coils corresponding to the number of battery cells B1BN are wound around one common core, and one secondary coil is wound around the core. In contrast, in the present invention, a plurality of transformers T1˜TN corresponding to th...
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