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Flexible direct current converter station valve hall-direct current field combined building structure

A valve hall of a converter station and a flexible direct current technology, which is applied in the direction of power transmission and AC networks, can solve the problems of unfavorable land rational use and large area occupation, so as to improve land utilization, reduce land occupation, and improve environmental friendliness Effect

Active Publication Date: 2014-06-18
CHINA ENERGY ENG GRP GUANGDONG ELECTRIC POWER DESIGN INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The DC field and the valve hall of the converter station respectively occupy a large area, which is not conducive to the rational use of land, and the external environment will affect the leakage of the DC field electrical equipment outside

Method used

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  • Flexible direct current converter station valve hall-direct current field combined building structure

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Embodiment Construction

[0022] Embodiments of the present invention are described in detail below:

[0023] Such as figure 1 As shown, a flexible DC converter station valve hall and DC field construction structure, including a joint construction room 10, a converter station valve hall and a DC field located in the joint construction room 10; the converter station valve hall includes parallel The converter 12 provided; the DC field includes a DC field pole bus 14, the DC field bus 14 is divided into a positive line and a negative line, and each pole is connected with a lightning arrester 16, a DC voltage measuring device 18, a DC current measuring device 20 and Reactor 22; the valve hall of the converter station and the DC field are respectively located on different sides of the joint construction room 10, and are respectively arranged in different areas of the joint construction room according to the functions of the valve hall of the converter station and the DC field. And the environment in the co...

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Abstract

The invention discloses a flexible direct current converter station valve hall-direct current field combined building structure. The flexible direct current converter station valve hall-direct current field combined building structure comprises a combined building chamber as well as a converter station valve hall and a direct current field which are arranged in the combined building chamber; the converter station valve hall comprises converters arranged in parallel; the direct current field comprises a direct current field pole bus as well as an arrester, a voltage measuring device, a current measuring device and a reactor which are connected with the direct current field bus; the converter station valve hall and the direct current field are arranged at different sides in the combined building chamber of which the indoor environment is micro positive voltage; a metal shielding net is laid at the wall surfaces in the combined building chamber. The combined building of the converter station valve hall and the direct current field is firstly put forward, the electric equipment configuration of the valve hall and the direct current field is unified and harmonized, the operation environment and electromagnetic interference prevention in the combined building chamber are comprehensively considered, the occupation area of a flexible direct current converter station is reduced and the soil use rate is improved; the flexible converter station direct current field is constructed indoors, so the influence of external environment to electrical equipment of the direct current field is reduced, and the reliability of the electrical equipment is improved.

Description

technical field [0001] The invention relates to the technical field of flexible DC power transmission, in particular to a valve hall and DC field building structure of a flexible DC converter station. Background technique [0002] Flexible DC transmission is a high-voltage direct current transmission technology (VSC-HVDC) based on voltage source converters. Half-controlled thyristor-based current source converters in direct current transmission. Compared with conventional DC transmission using non-shutdown thyristors, flexible DC transmission, as a new generation of DC transmission technology, has the advantages of fast system response, good controllability, and flexible operation mode. [0003] The DC converter station is the most important component of the DC transmission technology. Conventional converter stations often need to consider bipolar operation, unipolar ground circuit operation, unipolar metal circuit operation and the above corresponding step-down operation ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/36
CPCY02E60/60
Inventor 王宏斌周敏贺艳芝李扶中郭金川陈冰冯晓东张劲松
Owner CHINA ENERGY ENG GRP GUANGDONG ELECTRIC POWER DESIGN INST CO LTD
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