公开(公告)号：US09515483B2

公开(公告)日：2016-12-06

申请号：US13988936

申请日：2011-11-22

Applicant: Rainer Marquardt

Inventor： Rainer Marquardt

IPC: H02J1/00 ,  H01H33/59 ,  H02H3/087 ,  H01J3/36

CPC classification number: H02J1/00 ,  H01H33/596 ,  H01J3/36 ,  H02H3/087 ,  H02J3/36 ,  Y02E60/60

Abstract: Switching and switchover devices for DC networks make it possible to realize, particularly in the event of faults, rapid and reliable switching processes in combination with good overvoltage damping and low energy losses during normal operation. The switching devices furthermore have short turn-off times and require no cooling since they have no on-state power losses during normal operation.

Abstract translation: 直流网络的切换和切换设备使得特别是在发生故障的情况下，可以实现快速可靠的切换过程以及良好的过压阻尼和正常运行期间的低能量损耗。 开关装置还具有短的关断时间，并且不需要冷却，因为它们在正常操作期间没有导通状态的功率损耗。

公开(公告)号：US4752714A

公开(公告)日：1988-06-21

申请号：US837912

申请日：1986-03-10

Applicant: John H. Sonneborn ,  Kenneth W. Hawken

Inventor： John H. Sonneborn ,  Kenneth W. Hawken

IPC: H01J29/80 ,  H01J1/46 ,  H01J3/36

CPC classification number: H01J29/803

Abstract: An electrostatic decelerating and scan expansion lens system (10) includes a mesh element (56) and operates in a cathode-ray tube (12) that incorporates a microchannel plate (24). The lens system is positioned downstream of the deflection structure (42 and 44) and provides linear magnification of the electron beam deflection angle. The mesh element is formed in the shape of a convex surface as viewed in the direction of travel of the electron beam (40) to provide a field with equipotential surfaces (100) of decreasing potential in the direction of electron beam travel. Secondary emission electrons generated by the mesh element as it intercepts the electron beam, are therefore, directed back toward the lens system and not toward the microchannel plate. Only the beam electrons strike the microchannel plate, which provides on the phosphorescent display (20) an image of high brightness, free from spurious light patterns.

Abstract translation: 静电减速和扫描扩展透镜系统（10）包括网状元件（56）并且在包括微通道板（24）的阴极射线管（12）中操作。 透镜系统位于偏转结构（42和44）的下游，并提供电子束偏转角的线性放大率。 网状元件形成为从电子束（40）的行进方向观察的凸面的形状，以提供具有电子束行进方向上的电位降低的等电位面（100）的场。 因此，当网状元件截取电子束时，二次发射电子被引导回到透镜系统而不是朝向微通道板。 仅电子束电子撞击微通道板，其在磷光显示器（20）上提供高亮度，无伪光图案的图像。

公开(公告)号：US4578743A

公开(公告)日：1986-03-25

申请号：US622877

申请日：1984-06-21

Applicant: Haruhisa Inokuchi ,  Takami Sakai

Inventor： Haruhisa Inokuchi ,  Takami Sakai

IPC: H02J3/36 ,  H02M7/515 ,  H01J3/36

CPC classification number: H02J3/36 ,  Y02E60/60

Abstract: A converter control system for DC power transmission line performs the following operation. When the DC current flowing through an inverter decreases to a value being smaller than a rated current value by a value in excess of a predetermined value, a reference voltage value determining the DC voltage of the inverter decreases. The decrease of this reference voltage value is limited to a given extent, so that a partial constant current characteristic portion appears at the voltage decreased portion in the DC voltage/current characteristic of the inverter. Then, an automatic voltage regulator of the inverter is rendered always active.

Abstract translation: 用于直流输电线路的转换器控制系统执行以下操作。 当流过逆变器的直流电流减小到小于额定电流值的值超过预定值时，确定逆变器的直流电压的参考电压值减小。 该参考电压值的减小被限制在给定的程度，使得在逆变器的直流电压/电流特性中的电压降低部分出现部分恒定电流特性部分。 然后，使逆变器的自动电压调节器始终处于活动状态。