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High-voltage direct-current power supply module system for submarine observation network

A technology of high-voltage DC power supply and module system, which is applied in the direction of control/regulation system, conversion of DC power input to DC power output, electrical components, etc. It can solve the problem that the host computer cannot obtain fault information, has no communication interface description, and has no configuration intelligence. Control modules and other issues to achieve the effect of improving insulation and anti-interference, improving redundancy performance, and improving reliability

Pending Publication Date: 2020-02-04
O&C ELECTRIC TECHN CO LTD
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Problems solved by technology

[0003] The existing design of the submarine power module is not equipped with an intelligent control module, and there is no corresponding communication interface description. If the submarine power supply fails to work normally, the host computer has no way to obtain the current fault information, so as to perform some self-recovery measures

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  • High-voltage direct-current power supply module system for submarine observation network
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  • High-voltage direct-current power supply module system for submarine observation network

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Embodiment Construction

[0032] In order to clearly illustrate the technical features of the solution, the solution will be described below through specific implementation modes.

[0033] see Figure 1 to Figure 5 , the present invention is: a high-voltage DC power supply module system for seabed observation network, which is characterized in that it includes an input filter, a high-voltage power supply module general control board, cascade voltage conversion modules, high-voltage to 24VDC modules and medium-voltage converters 24VDC module;

[0034] The two voltage terminals of the input filter are connected in parallel to the input terminal of the high voltage to 24VDC module, the output terminal of the high voltage to 24VDC module is connected in parallel to the output terminal of the medium voltage to 24VDC module, and the output terminal of the medium voltage to 24VDC module is connected to the The independent control circuit of each cascaded voltage conversion module is used for the power supply o...

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Abstract

The invention provides a high-voltage direct-current power supply module system for a submarine observation network, and belongs to the technical field of submarine observation network high-voltage direct-current power supplies. According to the technical scheme, the high-voltage direct-current power supply module system for the submarine observation network comprises an input filter, a high-voltage power supply module main control board, cascade voltage conversion modules, a high-voltage to 24V module and a medium-voltage to 24V module. The beneficial effects are that the adopted input filterenables the high-voltage power supply to work in a stable state; the input preceding stage of each cascade voltage conversion module adopts a high voltage-withstanding parameter IGBT (Insulated GateBipolar Transistor), and the IGBT is directly cut off when a single module fails, so that the operation of the whole system is not influenced, and the redundancy performance of the system can also beimproved; the high-voltage power supply module main control board monitors the input, output, environment and other parameters of each module in real time, intelligently identifies the current state of each module, and adjusts the control parameters, so that the parallel output of each module is balanced, and each module works in a safe working state.

Description

technical field [0001] The invention relates to the technical field of high-voltage direct current power supply for seabed observation network, in particular to a high-voltage direct current power supply module system for seabed observation network. Background technique [0002] At present, a lot of research work has been done on the high-voltage DC power module system of the submarine observation network in China, such as "Submarine High-Voltage DC Transformer Device" by Ji University; "Unipolar Negative High-Voltage DC Transformation System Based on Multi-Node Submarine Observation Network" by Zhejiang University. However, these studies are only in the theoretical design stage and have not been designed for reliability in combination with the particularity of the submarine power supply. Such as the elimination of the influence of the submarine power supply on the input end of the ultra-long cable, online fault diagnosis, self-recovery measures, etc. [0003] The existing ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M3/00H02M1/14
CPCH02M1/14H02M3/00H02M1/0006H02M1/0012H02M1/0067H02M1/007H02M1/0074
Inventor 李中华李镇王智杰孙雷
Owner O&C ELECTRIC TECHN CO LTD
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