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Submarine cable branch power controller based on discrete current value control

A power controller and discrete current technology, applied in electrical components, circuit devices, DC network circuit devices, etc., can solve the problems of frequent reconfiguration of submarine cable power supply lines, difficulty in meeting long-term operation on the seabed, and shortened service life, etc. Simple and reliable, simple structure, long life effect

Active Publication Date: 2015-08-26
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method requires the switch to be closed and disconnected in the state of high DC voltage and constant current. The switch is subject to greater stress and its service life is greatly shortened. With the popularization of submarine networks, the reconfiguration of submarine cable power supply lines is becoming more frequent. The on-off control of the switch is difficult to meet the requirements of long-term operation on the seabed

Method used

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  • Submarine cable branch power controller based on discrete current value control
  • Submarine cable branch power controller based on discrete current value control

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Embodiment Construction

[0014] Further illustrate the present invention below in conjunction with accompanying drawing.

[0015] refer to figure 1 , the submarine cable branch power controller based on discrete current value control of the present invention includes a branch cable circuit switch 1, a current sampling resistor 2, a controller 3, a main cable circuit switch 4, a main cable diversion diode 5, and a controller diversion Diode 6, Zener diode 7, branch cable diversion diode 8. The main cable circuit switch 4 and the branch cable circuit switch 1 are all single-pole single-throw high-voltage switches with a locking function, the switch input end of the main cable circuit switch 4, the switch input end of the branch cable circuit switch 1, and the current sampling resistor One end of 2 and the I / 0 sampling port of the controller 3 are jointly connected as the main cable input end, the switch output end of the branch cable circuit switch 1 is connected to the positive pole of the branch cabl...

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Abstract

The invention discloses a submarine cable branch power controller based on discrete current value control. The submarine cable branch power controller comprises a branch circuit switch, a current sampling resistor, a controller, a main cable circuit switch, a main cable diversion diode, a controller diversion diode, a Zener diode and a branch diversion diode. The main cable circuit switch and branch circuit switch are single-pole single-throw high-voltage switches with locking functions. Compared with a conventional method of controlling a switch of a splitter by commands sent by a submarine cable, the submarine cable branch power controller controls power on / off of a submarine cable branch under zero voltage and zero current, and is high in reliability, low in cost and small in size. The submarine cable branch power controller is applied to underwater, especially deep sea.

Description

technical field [0001] The invention relates to a submarine cable branch power controller, in particular to a submarine cable branch power controller based on discrete current value control, and belongs to the technical field of remote control of transmission lines of submarine power supply networks. Background technique [0002] At present, the research on submarine network system is gradually being paid attention to, and it is a transformative means of marine research and application. Due to the extremely harsh environment of the seabed, the submarine network is prone to power transmission failures, and the laying and maintenance of the submarine network is extremely costly, with a long cycle and technical difficulties. Therefore, remote maintenance and fault isolation technologies are very important. Those with remote fault isolation capabilities Submarine cable branch power controller has become an essential key component of submarine network power supply system. Howev...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J1/00
Inventor 陈燕虎张志峰杨灿军李德骏金波李晶徐菲菲
Owner ZHEJIANG UNIV