CN202260347U - Direct current ice melting device of ultra high voltage power transmission line - Google Patents

Direct current ice melting device of ultra high voltage power transmission line Download PDF

Info

Publication number
CN202260347U
CN202260347U CN2011203540060U CN201120354006U CN202260347U CN 202260347 U CN202260347 U CN 202260347U CN 2011203540060 U CN2011203540060 U CN 2011203540060U CN 201120354006 U CN201120354006 U CN 201120354006U CN 202260347 U CN202260347 U CN 202260347U
Authority
CN
China
Prior art keywords
wave rectifier
pulse wave
pulsating wave
pulsating
transmission line
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2011203540060U
Other languages
Chinese (zh)
Inventor
陆佳政
谭艳军
李波
方针
张红先
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Hunan Electric Power Co Ltd
State Grid Hunan Electric Power Co Ltd
Disaster Prevention and Mitigation Center of State Grid Hunan Electric Power Co Ltd
Original Assignee
Hu'nan Huicui Electric Power Technology Co Ltd
Electric Power Research Institute of State Grid Hunan Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hu'nan Huicui Electric Power Technology Co Ltd, Electric Power Research Institute of State Grid Hunan Electric Power Co Ltd filed Critical Hu'nan Huicui Electric Power Technology Co Ltd
Priority to CN2011203540060U priority Critical patent/CN202260347U/en
Application granted granted Critical
Publication of CN202260347U publication Critical patent/CN202260347U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Suspension Of Electric Lines Or Cables (AREA)

Abstract

The utility model relates to a direct current ice melting device of an ultra high voltage power transmission line, which is composed of a 124th pulse wave rectifying transformer (1), a 224th pulse wave rectifying transformer (4), a 12th pulse wave rectifier (2) and a twenty-second pulse wave rectifier (3) which are respectively in parallel connection with the 124th pulse wave rectifying transformer (1) and a thirty-second pulse wave rectifier (5) and a forty-second pulse wave rectifier (6) which are respectively in parallel connection with the 224th pulse wave rectifying transformer (4). The 12th pulse wave rectifier (2) is provided with an anode A and a cathode B, the twenty-second pulse wave rectifier (3) is provided with an anode C and a cathode D, the thirty-second pulse wave rectifier (5) is provided with an anode E and a cathode F, and the forty-second pulse wave rectifier (6) is provided with an anode G and a cathode H. The direct current ice melting device is wide in application range, high in cost performance, labor-saving and time-saving in operation, simple to maintain, low in power-free consumption and high in power factor.

Description

The UHV transmission line DC de-icing device
Technical field
The utility model belongs to the electrical engineering technical field, relates in particular to a kind of UHV transmission line DC de-icing device.
Background technology
China receives one of comparatively serious country of icing Disaster Effects in the world, and the outburst of southern area ice damages such as Guizhou, Hunan, Hubei, Jiangxi is frequent.According to prediction, China's southern area has got into a multiple phase of the icing about 15 to 20 years.And each ice damage, the loss of transmission line is particularly heavy, for example at the beginning of 2008 only the transmission line of southern area fall tower, reach tens billion of units with regard to the direct economic loss that causes power grid enterprises.
According to State Grid Corporation of China " 12. five " planning, will have more extra-high voltage alternating current-direct current transmission line to put into effect soon in China.As adopting anti-ice measure to improve the design ice covering thickness, a circuit just needs to increase the billions of units of investment.And if employing ice-melt measure only need be invested several ten million yuan, economic benefit is fairly obvious.Yet the ice-melt measure to UHV transmission line still is in the blank stage at present; Success in Experiment along with 220kV transmission line and 500kV power line DC ice-melting technology; The disappearance of UHV transmission line ice-melt facility highlights; Therefore, how, in time to realize freezing disaster that through economic, practical ice-melt measure the ice-melt of UHV transmission line is a problem demanding prompt solution when taking place.
The utility model content
The technical problem that the utility model will solve is: the defective that can not satisfy the UHV transmission line ice-melt to prior art; Provide a kind of UHV transmission line DC de-icing device to reach the ice-melt demand with line to satisfy ultra high voltage, this device is made every effort to small investment, operation and maintenance are simple.
The technical solution of the utility model is; Said UHV transmission line DC de-icing device; As shown in Figure 1; By the ten or twenty four pulse wave rectifier transformers 1 and the two or the two ten four pulse wave rectifier transformer 4 of parallel connection, and first parallelly connected with the ten or twenty four pulse wave rectifier transformers 1 respectively 12 pulsating wave rectifier 2 and the second pulse wave rectifier device 3, three 12 pulsating wave rectifier 5 and four 12 pulsating wave rectifiers 6 compositions parallelly connected with the two or two ten four pulse wave rectifier transformer 4 respectively.Wherein the input of ten or twenty four pulse wave rectifier transformers 1 is parallelly connected with the input of the two or two ten four pulse wave rectifier transformer 4; The input of the output parallel connection first 12 pulsating wave rectifier 2 of ten or twenty four pulse wave rectifier transformers 1 and the input of the second 12 pulsating wave rectifier 3; The input of output parallel connection the 3rd 12 pulsating wave rectifier 5 of the two or two ten four pulse wave rectifier transformer 4 and the input of the 4th 12 pulsating wave rectifier 6; The output of the above-mentioned first 12 pulsating wave rectifier 2 has anodal A and negative pole B; The output of the second 12 pulsating wave rectifier 3 has anodal C and negative pole D; The output of the 3rd 12 pulsating wave rectifier 5 has anodal E and negative pole F; The output of the 4th 12 pulsating wave rectifier 6 has anodal G and negative pole H.
When the UHV transmission line DC de-icing device of the utility model that constitutes thus uses; Alternating current; For example the 110kV alternating current input to simultaneously the parallel connection ten or twenty four pulse wave rectifier transformers 1 and the two or two ten four pulse wave rectifier transformer 4 carry out step-down; Inputing to the first 12 pulsating wave rectifier 2 and the second 12 pulsating wave rectifier 3, the 3rd 12 pulsating wave rectifier 5 and the 4th 12 pulsating wave rectifier 6 again carries out rectification and becomes direct current; Output by them exports transmission line to realize the DC ice melting of this transmission line then; When the direct current of over commutation is exported; With the anodal G parallel connection of the output of the anodal E of the output of the anodal C of the output of the anodal A of the output of the first 12 pulsating wave rectifier 2 and the second 12 pulsating wave rectifier 3, the 3rd 12 pulsating wave rectifier 5 and the 4th 12 pulsating wave rectifier 6, the negative pole H parallel connection of the negative pole F of the negative pole D of the negative pole B of the output of the first 12 pulsating wave rectifier 2 and the output of the second 12 pulsating wave rectifier 3, the output of the 3rd 12 pulsating wave rectifier 5 and the output of the 4th 12 pulsating wave rectifier 6.
In the said structure; The effect of ten or twenty four pulse wave rectifier transformers 1 and the two or two ten four pulse wave rectifier transformer 4 is with after the alternating current step-down, provides four the tunnel to differ 15 ° voltage respectively to the first 12 pulsating wave rectifier 2, the second 12 pulsating wave rectifier 3 and the 3rd 12 pulsating wave rectifier 5, the 4th 12 pulsating wave rectifier 6.And the effect of the first 12 pulsating wave rectifier 2, the second 12 pulsating wave rectifier 3 and the 3rd 12 pulsating wave rectifier 5, the 4th 12 pulsating wave rectifier 6 is to convert alternating current into direct current output.
The beneficial effect of the utility model is:
1), this device can take into account the ice-melt of 500kV circuit in the ultra-high voltage transformer station or other electric pressure circuits, and is applied widely;
2), small investment, area occupied is little, has high cost performance;
3), simple to operate, save human and material resources, save time;
4), this device adopts air-cooled design, safeguards also simple;
5), the harmonic wave that produces when this device uses is little, reactive power consumption is low, power factor is high.
Description of drawings
Fig. 1 is the structured flowchart of a specific embodiment of the utility model, is denoted as among the figure:
1-ten or twenty four pulse wave rectifier transformers,
The 2-first 12 pulsating wave rectifier,
The 3-second 12 pulsating wave rectifier,
4-the two or two ten four pulse wave rectifier transformer,
5-the 3rd 12 pulsating wave rectifier,
6-the 4th 12 pulsating wave rectifier.
Embodiment
Referring to concrete embodiment of the utility model UHV transmission line DC de-icing device shown in Figure 1; ZYAF-2 * (1500/3000) type 42MW 12 pulsating wave rectifier that the ZSS-90000/110 type 90000kVA rectifier transformer that the ten or twenty four pulse wave rectifier transformers 1 of this embodiment and the two or two ten four pulse wave rectifier transformer 4 adopt electric branch company of Chinese Hengyang Transformer Co., Ltd., Tebian Electric Co. to produce, the first 12 pulsating wave rectifier 2, the second 12 pulsating wave rectifier 3 and the 3rd 12 pulsating wave rectifier 5, the 4th 12 pulsating wave rectifier 6 adopt Hunan China to economize to converge pure Power Tech Corp. Inc. to produce.
The utility model is promptly as shown in Figure 1, and ten or twenty four pulse wave rectifier transformers 1 are parallelly connected with the two or two ten four pulse wave rectifier transformer 4.The first 12 pulsating wave rectifier 2 and the second pulse wave rectifier device 3 are parallelly connected with ten or twenty four pulse wave rectifier transformers 1 respectively.The 3rd 12 pulsating wave rectifier 5 and the 4th 12 pulsating wave rectifier 6 are parallelly connected with the two or two ten four pulse wave rectifier transformer 4 respectively.
Wherein the input of ten or twenty four pulse wave rectifier transformers 1 such as the said input with the two or two ten four pulse wave rectifier transformer 4 of above-mentioned technical scheme are parallelly connected;
The input of the output parallel connection first 12 pulsating wave rectifier 2 of ten or twenty four pulse wave rectifier transformers 1 and the input of the second 12 pulsating wave rectifier 3;
The input of output parallel connection the 3rd 12 pulsating wave rectifier 5 of the two or two ten four pulse wave rectifier transformer 4 and the input of the 4th 12 pulsating wave rectifier 6;
Also technique scheme is said has anodal A and a negative pole B for the output of the above-mentioned first 12 pulsating wave rectifier 2; The output of the second 12 pulsating wave rectifier 3 has anodal C and negative pole D; The output of the 3rd 12 pulsating wave rectifier 5 has anodal E and negative pole F; The output of the 4th 12 pulsating wave rectifier 6 has anodal G and negative pole H.
The UHV transmission line DC de-icing device of said structure is proved to be respond well through simulation calculation and analogue test, and is esy to use, safe and reliable, reaches designing requirement fully.

Claims (1)

1. UHV transmission line DC de-icing device; It is characterized in that; It is by the ten or twenty four pulse wave rectifier transformers (1) and the two or two ten four pulse wave rectifier transformer (4) of parallel connection; And parallelly connected with ten or twenty four pulse wave rectifier transformers (1) the respectively first 12 pulsating wave rectifier (2) and the second pulse wave rectifier device (3), three 12 pulsating wave rectifier (5) and four 12 pulsating wave rectifier (6) composition parallelly connected with the two or two ten four pulse wave rectifier transformer (4) respectively, wherein the input of ten or twenty four pulse wave rectifier transformers (1) is parallelly connected with the input of the two or two ten four pulse wave rectifier transformer (4); The input of the output parallel connection first 12 pulsating wave rectifier (2) of ten or twenty four pulse wave rectifier transformers (1) and the input of the second 12 pulsating wave rectifier (3); The input of output parallel connection the 3rd 12 pulsating wave rectifier (5) of the two or two ten four pulse wave rectifier transformer (4) and the input of the 4th 12 pulsating wave rectifier (6); The output of the above-mentioned first 12 pulsating wave rectifier (2) has anodal A and negative pole B; The output of the second 12 pulsating wave rectifier (3) has anodal C and negative pole D; The output of the 3rd 12 pulsating wave rectifier (5) has anodal E and negative pole F; The output of the 4th 12 pulsating wave rectifier (6) has anodal G and negative pole H.
CN2011203540060U 2011-09-20 2011-09-20 Direct current ice melting device of ultra high voltage power transmission line Expired - Fee Related CN202260347U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011203540060U CN202260347U (en) 2011-09-20 2011-09-20 Direct current ice melting device of ultra high voltage power transmission line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011203540060U CN202260347U (en) 2011-09-20 2011-09-20 Direct current ice melting device of ultra high voltage power transmission line

Publications (1)

Publication Number Publication Date
CN202260347U true CN202260347U (en) 2012-05-30

Family

ID=46121532

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011203540060U Expired - Fee Related CN202260347U (en) 2011-09-20 2011-09-20 Direct current ice melting device of ultra high voltage power transmission line

Country Status (1)

Country Link
CN (1) CN202260347U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102340121A (en) * 2011-09-20 2012-02-01 湖南省电力公司科学研究院 Direct current deicing device for ultra high voltage transmission line
CN107196262A (en) * 2017-07-21 2017-09-22 国网湖南省电力公司 Wind power plant intensive style DC de-icing device topological structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102340121A (en) * 2011-09-20 2012-02-01 湖南省电力公司科学研究院 Direct current deicing device for ultra high voltage transmission line
CN107196262A (en) * 2017-07-21 2017-09-22 国网湖南省电力公司 Wind power plant intensive style DC de-icing device topological structure

Similar Documents

Publication Publication Date Title
CN106026754B (en) Multi-purpose bidirectional power power experiment power supply system and its control method
CN204030512U (en) A kind of voltage-source type DC ice melting static synchronous compensating device of holding concurrently
CN102185480A (en) Bidirectional isolation direct-current converter
CN103580264A (en) Direct current micro-grid system supplying power in looped network mode
CN102891621A (en) Single-phase asymmetric multilevel inverter
CN101847856A (en) Power transmission line direct current ice melting device based on twelve pulse wave uncontrollable rectification
CN202260347U (en) Direct current ice melting device of ultra high voltage power transmission line
CN102340121A (en) Direct current deicing device for ultra high voltage transmission line
CN204481445U (en) Ice-melting device for transmission line
CN203800619U (en) Grid-connected connection circuit for three-phase energy storage current transformer
CN201126979Y (en) UPS system for transformer substation below 220kV voltage class
CN102664379B (en) Equivalent 24 pulse wave non-control rectification DC thawing apparatus
CN204376414U (en) A kind of device having DC ice melting and static reactive function concurrently
CN103490649A (en) Reusable direct-current ice melting device
CN202633876U (en) Equivalent 24-pulse-wave uncontrolled rectifying direct-current ice melting device
CN202471859U (en) Low voltage and large current test platform for direct current ice-melting device
CN205336107U (en) Crisscross parallelly connected soft switch circuit of boost
CN102590664A (en) Low-voltage large-current testing platform of direct-current ice melting device
CN204290755U (en) A kind of electronics automatic reverse power supply of N+1 superposition backup
CN204334357U (en) A kind of DC de-icing device
CN202218165U (en) Parallel connection type electric power transformer with energy feedback function
CN201918908U (en) Bridge rectifier circuit
CN204615653U (en) A kind ofly be applicable to the Switching Power Supply exceeding electric pressure High aititude place
CN204205707U (en) Low-pressure high-power digitlization power frequency on-Line UPS
CN203911576U (en) Station electrical wire connection system for new energy power generation station

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: HU'NAN HUICUI ELECTRIC TECHNOLOGY CO., LTD. STATE

Free format text: FORMER OWNER: HU'NAN HUICUI ELECTRIC TECHNOLOGY CO., LTD.

Effective date: 20121012

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20121012

Address after: 410007 No. 79 hydroelectric power street, east pond, Hunan, Changsha

Patentee after: SCIENCE RESEARCH INSTITUTE OF HUNAN ELECTRIC POWER Co.,Ltd.

Patentee after: HUNAN HUICUI ELECTRIC POWER TECHNOLOGY Co.,Ltd.

Patentee after: State Grid Corporation of China

Address before: 410007 No. 79 hydroelectric power street, east pond, Hunan, Changsha

Patentee before: SCIENCE RESEARCH INSTITUTE OF HUNAN ELECTRIC POWER Co.,Ltd.

Patentee before: HUNAN HUICUI ELECTRIC POWER TECHNOLOGY Co.,Ltd.

ASS Succession or assignment of patent right

Owner name: INSTITUTE OF ELECTRIC POWER SCIENCES OF STATE GRID

Free format text: FORMER OWNER: HU'NAN HUICUI ELECTRIC POWER TECHNOLOGY CO., LTD. STATE GRID CORPORATION OF CHINA

Effective date: 20140617

Owner name: STATE GRID CORPORATION OF CHINA

Free format text: FORMER OWNER: INSTITUTE OF ELECTRIC POWER SCIENCES OF STATE GRID HUNAN ELECTRIC POWER COMPANY

Effective date: 20140617

C41 Transfer of patent application or patent right or utility model
C56 Change in the name or address of the patentee

Owner name: INSTITUTE OF ELECTRIC POWER SCIENCES OF STATE GRID

Free format text: FORMER NAME: HU'NAN ELECTRIC POWER COMPANY RESEARCH ACADEMY

COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 410007 CHANGSHA, HUNAN PROVINCE TO: 100033 DONGCHENG, BEIJING

CP01 Change in the name or title of a patent holder

Address after: 410007 No. 79 hydroelectric power street, east pond, Hunan, Changsha

Patentee after: STATE GRID HUNAN ELECTRIC POWER COMPANY Research Institute

Patentee after: HUNAN HUICUI ELECTRIC POWER TECHNOLOGY Co.,Ltd.

Patentee after: State Grid Corporation of China

Address before: 410007 No. 79 hydroelectric power street, east pond, Hunan, Changsha

Patentee before: SCIENCE RESEARCH INSTITUTE OF HUNAN ELECTRIC POWER Co.,Ltd.

Patentee before: HUNAN HUICUI ELECTRIC POWER TECHNOLOGY Co.,Ltd.

Patentee before: State Grid Corporation of China

TR01 Transfer of patent right

Effective date of registration: 20140617

Address after: 100033 No. 86 West Chang'an Avenue, Beijing

Patentee after: State Grid Corporation of China

Patentee after: STATE GRID HUNAN ELECTRIC POWER COMPANY Research Institute

Address before: 410007 No. 79 hydroelectric power street, east pond, Hunan, Changsha

Patentee before: STATE GRID HUNAN ELECTRIC POWER COMPANY Research Institute

Patentee before: HUNAN HUICUI ELECTRIC POWER TECHNOLOGY Co.,Ltd.

Patentee before: State Grid Corporation of China

ASS Succession or assignment of patent right

Owner name: STATE GRID HUNAN ELECTRIC POWER COMPANY DISASTER P

Free format text: FORMER OWNER: INSTITUTE OF ELECTRIC POWER SCIENCES OF STATE GRID HUNAN ELECTRIC POWER COMPANY

Effective date: 20150526

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 100031 DONGCHENG, BEIJING TO: 100031 XICHENG, BEIJING

TR01 Transfer of patent right

Effective date of registration: 20150526

Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing

Patentee after: State Grid Corporation of China

Patentee after: STATE GRID HUNAN ELECTRIC POWER Co.

Patentee after: STATE GRID HUNAN ELECTRIC COMPANY DISASTER PREVENTION AND REDUCTION CENTER

Patentee after: STATE GRID HUNAN ELECTRIC POWER COMPANY Research Institute

Address before: 100031 West Chang'an Avenue, Beijing, No. 86

Patentee before: State Grid Corporation of China

Patentee before: STATE GRID HUNAN ELECTRIC POWER COMPANY Research Institute

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120530

Termination date: 20180920