短路电流相控快速开断技术可以有效缩短开断的燃弧时间从而提升真空断路器的性能,文中通过研究分闸速度对双断口快速真空断路器短路电流开断短燃弧时间的影响规律,为双断口快速真空断路器相控短燃弧开断提供理论依据。文中实验采用2台12 kV快速真空断路器以及驱动控制系统,搭建了快速真空断路器短路电流短燃弧开断合成实验回路系统,得到了双断口短燃弧时间及临界熄弧开距与分闸速度关系曲线。实验结果表明,双断口短路电流开断短燃弧时间和临界熄弧开距随分闸速度的增加而单调下降。
李秀广 +7 more
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Effect of micro/nanoscaled Ti phosphate/Ti oxide hybrid coating on the osseointegration of Ti implants. [PDF]
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A low-dose CT reconstruction method using sub-pixel anisotropic diffusion. [PDF]
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一、前言 一些研究人员曾经证实:对真空电弧外施一个纵磁场,可以增进其断流容量,并阐明了稳定电弧的最佳磁场与电弧电流和触头间隙之间的关系。 作者所进行的研究,使纵磁场触头得以实用化,并制成了装有纵磁场触头的真空断路器。十年来,我们在研制高电压和大容量真空断路器的同时,利用这种纵磁触头生产了各种额定参数的真空断路器 ...
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[An radio frequency coil design for rat spinal magnetic resonance imaging at 9.4 T]. [PDF]
Xu Y, Yang H, Zhong K.
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[Research on Bacteriophage Resistance: Coevolutionary Arms Race Between Bacteria and Phages Drives Novel Antibacterial Therapies]. [PDF]
Li R +7 more
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[Low-dose CT reconstruction based on high-dimensional partial differential equation projection recovery]. [PDF]
Niu S +5 more
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