Unlock instant, AI-driven research and patent intelligence for your innovation.

Isolated energy supply device and method for fully controlled switching devices

A switching device and energy supply technology, which is applied in the direction of output power conversion devices, electrical components, power transmission AC networks, etc., can solve the problem of lack of a fully-controlled switching device energy supply method that can shut off the pipe valve string, and achieve easy The effect of engineering realization

Active Publication Date: 2021-10-08
TSINGHUA UNIV
View PDF8 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is only a high-level online energy harvesting method for thyristors, and there is still no energy supply method for fully-controlled switching devices that can turn off the tube valve string. Therefore, the purpose of the present invention is to propose a new type of high-voltage DC transmission hybrid converter Isolation energy supply device and method for full control switch device

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Isolated energy supply device and method for fully controlled switching devices
  • Isolated energy supply device and method for fully controlled switching devices
  • Isolated energy supply device and method for fully controlled switching devices

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0028] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0029] As used herein, "comprising", "comprising", "having", "comprising" and so on are all open terms, meaning including but not limited to.

[0030] The term "plurality" herein includes "two" and "more than two".

[0031]The "connection" and "electrical connection" in this article include direct connection between two compo...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention belongs to the field of direct current transmission. It discloses an isolation energy supply device and a method for a fully controlled switching device. It is applied to high-voltage direct current transmission equipment. The high-voltage direct current transmission equipment includes a positive electrode valve tower and a negative electrode valve tower. The isolation energy supply device It is electrically connected to the positive electrode valve tower, the negative electrode valve tower and the power supply. The isolation energy supply device includes multiple isolation energy supply units. The multiple isolation energy supply units provide hierarchical isolation and energy supply to the positive electrode valve tower and the negative electrode valve tower. The invention is applied to a new high-voltage direct current transmission hybrid converter, and can effectively supply energy to the fully controlled switching device drive circuit and control protection device of the switchable pipe valve string in the hybrid converter, and is easy to implement in engineering.

Description

technical field [0001] The invention belongs to the field of direct current transmission, and in particular relates to an isolated energy supply device and method for full-control switching devices. Background technique [0002] High-voltage direct current transmission technology (HVDC, High-Voltage Direct Current) utilizes the advantages of stable direct current with no inductive reactance, capacitive reactance does not work, and no synchronization problems, and adopts high-power long-distance direct current transmission. High-voltage direct current transmission is a power transmission method in which three-phase alternating current is rectified into direct current through a converter station, and then sent to another converter station through a direct current transmission line for inversion into three-phase alternating current. It basically consists of two converter stations connected to the AC system at both ends and a DC transmission line. The equipment of the HVDC tran...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/36H02M1/088H02M1/06
CPCH02J3/36H02M1/06H02M1/088Y02E60/60
Inventor 曾嵘许超群余占清赵彪陈政宇
Owner TSINGHUA UNIV