CN110518536A - Ice-melt short-circuit device for wind power plant collection electric line - Google Patents

Ice-melt short-circuit device for wind power plant collection electric line Download PDF

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Publication number
CN110518536A
CN110518536A CN201910841838.6A CN201910841838A CN110518536A CN 110518536 A CN110518536 A CN 110518536A CN 201910841838 A CN201910841838 A CN 201910841838A CN 110518536 A CN110518536 A CN 110518536A
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CN
China
Prior art keywords
module
ice
melt
short
short circuit
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.)
Pending
Application number
CN201910841838.6A
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Chinese (zh)
Inventor
陆佳政
朱远
谭艳军
周秀冬
朱思国
黄清军
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
State Grid Hunan Electric Power Co Ltd
Disaster Prevention and Mitigation Center of State Grid Hunan Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Hunan Electric Power Co Ltd
Disaster Prevention and Mitigation Center 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 State Grid Corp of China SGCC, State Grid Hunan Electric Power Co Ltd, Disaster Prevention and Mitigation Center of State Grid Hunan Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201910841838.6A priority Critical patent/CN110518536A/en
Publication of CN110518536A publication Critical patent/CN110518536A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G7/00Overhead installations of electric lines or cables
    • H02G7/16Devices for removing snow or ice from lines or cables

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention discloses a kind of ice-melt short-circuit devices for wind power plant collection electric line, including control module, short circuit module and power module;Power module power supply;Short circuit module is mounted on short-circuit operation of the collector box side of the collection electric line of wind power plant for ice-melt when;The work of control module control short circuit module.The present invention is mounted on the collector box side of each collection electric line, it can be realized by way of remotely controlling and three-phase short circuit is carried out to the current collection line end for needing ice-melt under freezing weather, without artificial field connection, operator realizes in control module, that is, capable of emitting control signal and is shorted, and effectively increases the safety and ice-melt efficiency when ice-melt;It provides additional power supply by power module simultaneously to supply, current collection line end is power free after efficiently solving the problems, such as blower stalling;Situation in place is shorted by monitoring module monitoring simultaneously, is greatly improved ice-melt success rate;And structure of the invention is simple, and connection and use are very convenient, high reliablity and practicability is good.

Description

Ice-melt short-circuit device for wind power plant collection electric line
Technical field
Present invention relates particularly to a kind of ice-melt short-circuit devices for wind power plant collection electric line.
Background technique
With the development of economic technology, electric energy has become essential secondary energy sources in people's production and life, Endless convenience is brought to people's production and life.But becoming increasingly conspicuous with Global Environmental Problems, extreme weather frequency Out, great challenge is brought to the reliable and stable operation of power grid.
In recent years, the power circuit of southern region of China was influenced by freezing rain and snow disaster, caused serious loss, wind-powered electricity generation Field is generally built in High aititude wind concentration area, easily forms icing condition under low temperature rain and snow weather, causes fan blade, current collection Route sends out a large amount of icing such as route, seriously affects wind farm device safety.Wind power plant is mainly by blower, collection electric line, boosting Railway superstructures are stood and send out, blower is converted into electric energy, and each blower electric energy is collected to booster stations by collection electric line, boosts It stands and is sent outside after raising voltage by sending out route.Fan blade anti-ice ability is strong, can be by opening again after the natural ice-melt such as stoppage in transit It is dynamic;Sending out route can send by the way that grid side power supply is counter, in booster stations to line short circuit, implement short-circuit ice-melt to it, ensure route Safety.But collection electric line is widely distributed, branch is more, and passes through high and steep mountains with a varied topography more, once transmission line icing, manpower is very Hardly possible arrives at route, can neither carry out deicing, also can not be to implementing ice-melt after line short circuit, it is easy to icing occurs and cross load causing Rod disconnection causes many blower electric energy not send out normally.
For current collection line ice-melting problem, booster stations can be allowed to charge the anti-power transmission of booster stations by system, be taken from booster stations Power supply carries out ice-melt to collection electric line, and must be shorted to three-phase line end when ice-melt, therefore main problem concentrates on How current collection line end is shorted.Current line ice-melting takes artificial interim installation shorting stub or manual operation short more It connects switch to be shorted route, is not suitable for the current collection line end that personnel can not arrive at, and can not provide after line outage The electrical source of power of Operation switch, ice-melt short circuit are more difficult to implement.It is ground for ice-melt short problems, at present some scientific researches and using unit Several short circuit schemes are studied carefully, if patent CN109687376A describes a kind of DC ice melting short circuit control structure, by collapsible Control lever realizes that ice-melt is shorted, but there is still a need for manually shunk or opened to control lever when ice-melt;Patent CN103490363A A kind of transmission line direct-current ice melting quick short connection is described, but device primarily focuses on shortening short circuit fitting and connect with conducting wire When workload, be not suitable for current collection line ice-melting yet;Patent CN 108923364A describes a kind of intelligent DC ice-melt short circuit Tool and device, it is intended to increase ice-melt shorting contact area, prevent contact area is too small from leading to hot-spot, can not also solve Short problems when current collection line ice-melting.
Summary of the invention
The purpose of the present invention is to provide a kind of high reliablity, practicability is good and easy to use is used for wind power plant collection The ice-melt short-circuit device of electric line.
This ice-melt short-circuit device for wind power plant collection electric line provided by the invention, including control module, short circuit mould Block and power module;Short circuit module is connected with control module;Power module is short to the ice-melt for wind power plant collection electric line Connection device power supply;Short circuit module is mounted on the collector box side of the collection electric line of wind power plant, short-circuit operation when for ice-melt;Control Module is used to control the work of short circuit module.
The ice-melt short-circuit device for wind power plant collection electric line further includes monitoring module;Monitoring module and control mould Block connection, and be mounted on around short circuit module;Monitoring module is used to monitor the working condition of short circuit module, and monitoring information is real When upload control module.
The monitoring module is the monitoring module being made of Video Monitoring Terminal.
The short circuit module includes static contact, moving contact and driving motor;Static contact connects collection electric line by wire jumper; Moving contact is matched with static contact;Driving motor is connect with moving contact by connecting rod;Driving motor is used to that moving contact to be driven to act, from And guarantees the short circuit of moving contact and static contact and connect.
The power module includes battery and solar panel;Battery is used for control module and short circuit module Power supply;Solar panel is connect with battery, for converting the solar into electric energy and charging a battery.
This ice-melt short-circuit device for wind power plant collection electric line provided by the invention is mounted on each collection electric line Collector box side, can be realized by way of remotely controlling to needed under freezing weather ice-melt current collection line end carry out three-phase It is shorted, is not necessarily to artificial field connection, operator realizes in control module, that is, capable of emitting control signal and is shorted, and effectively increases and melts Safety and ice-melt efficiency when ice;Additional power supply is provided by power module simultaneously to supply, and efficiently solves blower stalling The power free problem of current collection line end afterwards;Simultaneously by monitoring module monitoring short circuit situation in place, be greatly improved ice-melt at Power;And the structure of apparatus of the present invention is simple, and connection and use are very convenient, high reliablity and practicability is good.
Detailed description of the invention
Fig. 1 is the connection schematic diagram of wind power plant.
Fig. 2 is connection schematic diagram of the apparatus of the present invention on wind power plant route.
Specific embodiment
As described in Figure 1 be the connection schematic diagram of wind power plant: the route of wind power plant includes system side substation 1-1, is Unite side bus 1-2, wind-powered electricity generation submitting route 1-3, booster stations 1-4, bus rod 1-5, collector box 1-6,1-7,1-8,1-9,1-10 And 1-11, each collector box pass through current collection connection to bus rod.Each blower is connected to current collection in wind power plant line construction The power output of case 1-6~1-11, i.e. wind-powered electricity generation output is to collector box 1-6~1-11;Collector box 1-6~1-11 passes through collection electric line It is connected to bus rod 1-5, bus rod 1-5 is connected to booster stations 1-4 low-pressure side, and booster stations 1-4 is sent high-pressure side by wind-powered electricity generation Route 1-3 is connected to system side bus 1-2 out, final to realize that wind-powered electricity generation is sent to electric system.
This ice-melt short-circuit device for wind power plant collection electric line provided by the invention, including control module, short circuit mould Block, power module and monitoring module;Short circuit module, monitoring module are connected with control module;Power module is used for wind-powered electricity generation to described The ice-melt short-circuit device power supply of field collection electric line;Short circuit module is mounted on the collector box side of the collection electric line of wind power plant, for melting Short-circuit operation when ice;Control module is used to control the work of short circuit module;Monitoring module is mounted on around short circuit module, is used for The working condition of short circuit module is monitored, and by the real-time upload control module of monitoring information.
In the specific implementation, by taking the collector box 1-9 on wind-powered electricity generation route as an example, illustrate apparatus of the present invention structure, connection and Use relationship:
Be illustrated in figure 2 connection schematic diagram of the apparatus of the present invention on wind power plant route: short circuit module 6 is installed on collection electric wire Close to the position of collector box 1-9, short circuit module includes static contact, moving contact and driving motor on road 8;Static contact 6-2 passes through wire jumper It is connected to collection electric line 8, moving contact 6-1 is located at below static contact, and driving motor 5 is connect with moving contact 6-1 by connecting rod;Control Module 2 is connected to driving motor 5 by signal cable;Power module includes battery and solar panel;Battery 4 passes through Power cable is connected to driving motor 5;Monitoring module 7 is mounted on the side of short circuit module 6 by bracket, and control module 2 passes through letter Number cable connection is to monitoring module 7, and battery 4 is connected to monitoring module 7 by power cable, and control module 2, which can be set, to be risen Within the 1-4 of pressure station, solar panel 3 is connected to battery 4 by power cable.
Moving contact is matched with static contact;Driving motor is for driving moving contact to act, to guarantee moving contact and static contact Short circuit connection;Battery is used to power to control module and short circuit module;Solar panel is for converting the solar into Electric energy simultaneously charges a battery.
When specifically used: when collection electric line 8 needs ice-melt, passing through the control module for operating and being located in booster stations 1-4 2, switching signal is sent to short circuit module 6, and short circuit module 6 obtains the power supply that battery 4 provides to realize combined floodgate, monitoring module The video image information of the position of moving contact in short circuit module and static contact is sent to control module 2 by 7, the operation in station Personnel, which sentence, knows 6 in-place closing of short circuit module, completes ice-melt short-circuit operation.
After completing current collection line end short-circuit operation, ice-melt power supply is installed additional in booster stations side, is shorted by end three-phase Ice-melt circuit is formed, ice melting current is generated, is finally reached the purpose of current heating ice-melt.Main function of the invention is to ice-melt Circuit end provides short circuit mode, and ice-melt circuit can be formed when head end applies ice-melt power supply, and the present invention is set with external ice-melt It is standby mutually indepedent, but need first to operate this equipment before operating ice-melting device, realize that three-phase is shorted.
After the completion of ice-melt, sub-gate signal is sent to short circuit module 6 from control module 2, short circuit module 6 obtains battery 4 and mentions The power supply of confession simultaneously realizes separating brake, and monitoring module 7 passes the video image information of the position of moving contact in short circuit module and static contact It send to control module 2, the operator in station, which sentences, knows 6 separating brake of short circuit module in place, completes ice-melt sub-switching operation.
Solar panel 3 is that battery 4 provides charge power supply, and battery 4 is that driving motor 5 and monitoring module 7 provide Electrical source of power, control module 2 carry out switch closing and switch opening control to driving motor 5, and control module 2 is to 7 monitoring signals of monitoring module It is shown.
In the specific implementation, suitable disconnecting link basis need to be selected in current collection line end, is supported using steel strut and is shorted knife Lock static contact and moving contact, being shorted disconnecting link can be selected the GW4-35D/630 of Hunan Changgao High-pressure Switch Group Stock Company's production Type ice-melt shorting switch, including moving contact, static contact and driving motor, shorting switch voltage class are 35kV, current collection line electricity Grade 20kV is pressed, GW4-35D/630 type ice-melt shorting switch meets insulating protection requirement;Video terminal is fixed on using steel strut It is shorted beside disconnecting link, within its monitoring range, video-unit can be used to be regarded by Haikang prestige for switch fixed contact and moving contact position The H265 type monitor video terminal of production;Battery is located at below disconnecting link, and the 6- produced by sail Co., Ltd can be used QA-195SAIL type battery, rated capacity 195Ah, the normal Standby time was up to 3 months;Solar panel can be selected photosynthetic The fertile GHGN-3000WK-1 type solar panels of silicon, generated output is up to 3000W;Monitoring client grinds skill using the examination of Hunan Hunan electricity The ZRB-2013 type shorting switch control system of art Co., Ltd exploitation.Before icing season, checks accumulator electric-quantity, is shorted knife The key points such as lock division reliability, transmission of video;Into icing season, once icing, which occurs, in route needs ice-melt, electric wire to be collected After road has a power failure, switching signal is issued by monitoring client, is driven by motor and is shorted disconnecting link combined floodgate, is started after video confirmation in-place closing Implement ice-melt.Sub-gate signal is issued by monitoring client after the completion of ice-melt, is driven by motor and is shorted disconnecting link separating brake, video confirms separating brake Collection electric line telegram in reply is carried out after in place again.The short-circuit device is mountable to the current collection line end that each needs ice-melt, any When one collection electric line needs ice-melt, ice-melt can be started by closing corresponding shorting switch.

Claims (5)

1. a kind of ice-melt short-circuit device for wind power plant collection electric line, it is characterised in that including control module, short circuit module and Power module;Short circuit module is connected with control module;Power module is shorted dress to the ice-melt for wind power plant collection electric line Set power supply;Short circuit module is mounted on the collector box side of the collection electric line of wind power plant, short-circuit operation when for ice-melt;Control module For controlling the work of short circuit module.
2. the ice-melt short-circuit device according to claim 1 for wind power plant collection electric line, it is characterised in that further include prison Control module;Monitoring module is connect with control module, and is mounted on around short circuit module;Monitoring module is for monitoring short circuit module Working condition, and by the real-time upload control module of monitoring information.
3. the ice-melt short-circuit device according to claim 2 for wind power plant collection electric line, it is characterised in that the prison Controlling module is the monitoring module being made of Video Monitoring Terminal.
4. being used for the ice-melt short-circuit device of wind power plant collection electric line described according to claim 1~one of 3, it is characterised in that institute The short circuit module stated includes static contact, moving contact and driving motor;Static contact connects collection electric line by wire jumper;Moving contact with it is quiet Contact matching;Driving motor is connect with moving contact by connecting rod;Driving motor is for driving moving contact to act, to guarantee dynamic touching Head is connect with the short circuit of static contact.
5. being used for the ice-melt short-circuit device of wind power plant collection electric line described according to claim 1~one of 3, it is characterised in that institute The power module stated includes battery and solar panel;Battery is used to power to control module and short circuit module;The sun Energy solar panel is connect with battery, for converting the solar into electric energy and charging a battery.
CN201910841838.6A 2019-09-06 2019-09-06 Ice-melt short-circuit device for wind power plant collection electric line Pending CN110518536A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910841838.6A CN110518536A (en) 2019-09-06 2019-09-06 Ice-melt short-circuit device for wind power plant collection electric line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910841838.6A CN110518536A (en) 2019-09-06 2019-09-06 Ice-melt short-circuit device for wind power plant collection electric line

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Publication Number Publication Date
CN110518536A true CN110518536A (en) 2019-11-29

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2316867C1 (en) * 2006-08-11 2008-02-10 Открытое Акционерное Общество "Федеральная Сетевая Компания Единой Энергетической Системы" (Оао "Фск Еэс") Combinatorial ice melting and reactive power correcting installation
CN203102558U (en) * 2012-12-09 2013-07-31 国家电网公司 Icing monitoring system for electric power
CN203312740U (en) * 2013-06-20 2013-11-27 国家电网公司 Diode rectification direct current ice melting device capable of depth voltage regulation
CN206908255U (en) * 2017-07-21 2018-01-19 国网湖南省电力公司 The intensive DC de-icing device topological structure of wind power plant
CN109038445A (en) * 2018-08-23 2018-12-18 国网湖南省电力有限公司 A kind of electrification deicing topology system and its de-icing method based on step-down capacitor
CN109494670A (en) * 2018-08-16 2019-03-19 金华八达集团有限公司科技信息分公司 A kind of power line DC ice-melting short-circuit device and method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2316867C1 (en) * 2006-08-11 2008-02-10 Открытое Акционерное Общество "Федеральная Сетевая Компания Единой Энергетической Системы" (Оао "Фск Еэс") Combinatorial ice melting and reactive power correcting installation
CN203102558U (en) * 2012-12-09 2013-07-31 国家电网公司 Icing monitoring system for electric power
CN203312740U (en) * 2013-06-20 2013-11-27 国家电网公司 Diode rectification direct current ice melting device capable of depth voltage regulation
CN206908255U (en) * 2017-07-21 2018-01-19 国网湖南省电力公司 The intensive DC de-icing device topological structure of wind power plant
CN109494670A (en) * 2018-08-16 2019-03-19 金华八达集团有限公司科技信息分公司 A kind of power line DC ice-melting short-circuit device and method
CN109038445A (en) * 2018-08-23 2018-12-18 国网湖南省电力有限公司 A kind of electrification deicing topology system and its de-icing method based on step-down capacitor

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Application publication date: 20191129

RJ01 Rejection of invention patent application after publication