High voltage generator rectifier
A high-voltage generator and rectifier technology, applied in output power conversion devices, high-efficiency power electronic conversion, conversion of AC power input to DC power output, etc. and other problems to achieve the effect of soft start
Active Publication Date: 2020-12-15
SHANGHAI UNITED IMAGING HEALTHCARE
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Problems solved by technology
[0005] Based on this, it is necessary to provide a solution for the problems that the existing high-voltage generator rectifier itself cannot achieve soft start, has a complex structure, cannot realize the adjustment of the bus voltage, and cannot maintain reliable work in a strong magnetic field, high acceleration, and high vibration environment. high voltage generator rectifier
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[0063] In order to make the above-mentioned purpose, features and advantages of the present application more obvious and understandable, the specific implementation manners of the present application will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the application. However, the present application can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present application. Therefore, the present application is not limited by the specific implementation disclosed below.
[0064] It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" an...
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The present application provides a high-voltage generator rectification device, including a phase-controlled rectification circuit and a phase-controlled rectification control circuit. The first input end of the phase-controlled rectification circuit is electrically connected with the three-phase power supply. The output end of the phase-controlled rectification circuit is used to output a DC voltage. The first input terminal of the phase-controlled rectification control circuit is electrically connected with the three-phase power supply and used for detecting the phases of the three-phase power supply. The second input terminal of the phase-controlled rectification control circuit is electrically connected to the output terminal of the phase-controlled rectification circuit, and is used for detecting the current DC voltage output by the phase-controlled rectification circuit. The first output terminal of the phase-controlled rectification control circuit is electrically connected to the control terminal of the phase-controlled rectification circuit. The second output end of the phase-controlled rectification control circuit is electrically connected to the second input end of the phase-controlled rectification circuit. The phase-controlled rectification control circuit adjusts the conduction angle of the phase-controlled rectification circuit based on the phases of the three-phase power supply and the current output DC voltage to achieve a constant output DC voltage.
Description
technical field [0001] This application relates to the technical field of power electronics, in particular to a rectifying device for a high-voltage generator. Background technique [0002] In the field of power electronics, high-voltage generators are the core power generation devices of various high-power power supplies. Whether the power generation devices can operate reliably and trouble-free for a long time, and find faults in time to reduce fault maintenance time directly affects the economic benefits of high-power power supply manufacturers. [0003] In recent years, the high-voltage generator rectifiers that provide DC voltage sources for high-voltage generators are mostly of the type with contactors and uncontrolled rectifier bridges. This type of high-voltage generator rectifier requires an additional soft start device to realize the soft start of the high-voltage generator rectifier, and at the same time requires the cooperation of the contactor to realize the con...
Claims
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IPC IPC(8): H02M7/217
CPCH02M7/2173H02M1/0058Y02B70/10
Inventor 董斌祝国平柳玉锋
Owner SHANGHAI UNITED IMAGING HEALTHCARE