Polygonal coil systems are designed for increasing and more kinds of sensors and electromagnetic systems.This paper presents a method for calculating mutual inductance between polygonal coils including irregular polyg...Polygonal coil systems are designed for increasing and more kinds of sensors and electromagnetic systems.This paper presents a method for calculating mutual inductance between polygonal coils including irregular polygons.Based on the Biot-Savart law,the method calculates mutual inductance by dividing a polygonal coil into finite wires,and expresses the magnetic induction intensity generated by the excitation coil as a function of the spatial position of each vertex of the coil.The calculation method of the feasible region of the objective function is updated and the calculation process is simplified,so the calculation accuracy is improved.For octagon coils arbitrarily positioned in space,the accuracy of the algorithm is verified by the simulation and experiment.展开更多
向家坝水电站4 000 k N/1 250 k N双向门式启闭机为目前国内在建及投入运行中跨度最大的水电站双向门式启闭机。通过多方面的技术研究,在设计中采取一系列的关键技术措施,解决了门式启闭机特大起升载荷、超高工作扬程、超大门式启闭机...向家坝水电站4 000 k N/1 250 k N双向门式启闭机为目前国内在建及投入运行中跨度最大的水电站双向门式启闭机。通过多方面的技术研究,在设计中采取一系列的关键技术措施,解决了门式启闭机特大起升载荷、超高工作扬程、超大门式启闭机跨度等诸多技术难点,并在水电行业内首次设计采用一刚性腿一柔性腿的门架结构形式,填补了行业空白。展开更多
文摘Polygonal coil systems are designed for increasing and more kinds of sensors and electromagnetic systems.This paper presents a method for calculating mutual inductance between polygonal coils including irregular polygons.Based on the Biot-Savart law,the method calculates mutual inductance by dividing a polygonal coil into finite wires,and expresses the magnetic induction intensity generated by the excitation coil as a function of the spatial position of each vertex of the coil.The calculation method of the feasible region of the objective function is updated and the calculation process is simplified,so the calculation accuracy is improved.For octagon coils arbitrarily positioned in space,the accuracy of the algorithm is verified by the simulation and experiment.
文摘向家坝水电站4 000 k N/1 250 k N双向门式启闭机为目前国内在建及投入运行中跨度最大的水电站双向门式启闭机。通过多方面的技术研究,在设计中采取一系列的关键技术措施,解决了门式启闭机特大起升载荷、超高工作扬程、超大门式启闭机跨度等诸多技术难点,并在水电行业内首次设计采用一刚性腿一柔性腿的门架结构形式,填补了行业空白。
