CN103078286A - Current-circulating intelligent ice-melting device for hepta-bundled conductor power transmission line - Google Patents
Current-circulating intelligent ice-melting device for hepta-bundled conductor power transmission line Download PDFInfo
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Abstract
The invention relates to a current-circulating intelligent ice-melting device for a hepta-bundled conductor power transmission line. According to the current-circulating intelligent ice-melting device, whether an icing phenomenon appears is judged through monitoring external environment conditions, a circuit breaker is controlled to be switched on and off by using an intelligent controller, the total current transmitted by a hepta-bundled conductor is respectively transferred onto a part of sub-conductors, and therefore the purpose of ice melting by increasing the current density of the conductor is achieved. The intelligent controller is used for automatically calculating the required icing time by adopting the load current measured by an electricity-taking sensor, an icing state measured by an icing parameter monitoring unit and external conditions; and after a part of sub-conductors are subjected to ice melting, the intelligent controller is used for controlling the circuit breaker to transfer the current to the other part of sub-conditions till ice layers on seven sub-conductors are completely molten and fall off, and then the intelligent controller returns to a normal working state. When the current-circulating intelligent ice-melting device works, the intelligent controller is used for carrying out integral control, and the working judgment standard of the intelligent controller is provided by an electricity-taking mutual inductor, the icing parameter monitoring unit and the external environment, so that automatic ice-melting and ice-removing operation of the power transmission line can be achieved without manual intervention.
Description
Technical field
The present invention relates to voltage technology of transmission of electricity field, particularly a kind of ultra-high-tension power transmission line deicing device for seven bundle conductors.
Background technology
In the winter time in the environment of low temperature, high humility, the icing phenomenon can occur in the high-tension electricity transmission line, serious icing causes that electric power line pole tower collapses, conductor cord disconnection etc. affects the major accident of power system security reliability service, cause electric grid large area power cut, have a strong impact on industrial and agricultural production and people's lives, and cause the tremendous economic loss.
Ultra-high-tension power transmission line is anti-icing, ice-melt and deicing are the focus of paying close attention to both at home and abroad always.The anti-icing technology of existing deicing high-voltage power transmission line is still immature, can not satisfy the requirement of large tracts of land anti-icing and deicing, though part deicing technology can be used in engineering, needs to carry out under additional equipment or manual operation guidance.Anti-icing transmission line such as the disclosed a kind of multiple conducting wires of Chinese invention patent Publication Specification of publication number CN101527442A, it is to increase the ice-melt switch at the two ends of multiple conducting wires transmission line, the equal normal power-up of each wire when not needing ice-melt, interruption of power supply when needing ice-melt behind the icing, take the mode of manual operation switch, make a wire transmission electric current, all the other wires disconnect, and manual operation progressively makes the ice sheet of each wire melt.The method need to be set up switching device, change the structure of transmission line, the necessary interruption of power supply of deicing processes, ice-melt exists potential safety hazard and operation extremely inconvenient, the ice-melt cost is high, and ice-melt starts and all needing to stop artificial Subjective Intervention, can not treat icing line segment in various degree with a certain discrimination and realize anti-icing in real time, infeasible with breaker deciliter wire for supertension line, particularly can not satisfy the anti-icing of ultra high voltage bundle conductor; The and for example disclosed a kind of automatic ice melting method for multiple division electricity transmission line of the Chinese invention patent of publication number CN101459327 and special switch thereof, it is to adopt in icing transmission line two ends transformer station special switch is installed, then manual remote control is sent instruction, make special switch that action occur and realize that the transmission line electric current all is transferred to the sub-conductor for the treatment of ice-melt, this sub-conductor heating, ice-melt, this patent of invention needs the on-the-spot circuit of artificial judgment whether to have icing, and need power scheduling department to cooperate the adjusting circuit load, manual remote control is sent the ice-melt instruction at the scene at last, can't realize dividing section and real-time intelligent ice-melt according to the needs of icing degree, be difficult to be on the scene for local icing section technical staff such as micro climate microclimates and observe the icing situation and send the ice-melt instruction.
Summary of the invention
The purpose of this invention is to provide a kind of current cycle intelligence deicing device that is applied to seven bundle conductor transmission lines, it is according to the measurement result of environmental condition and ice coating state, the auto-controlled circuit breaker opening and closing, the load current of seven bundle conductor Transmission Lines is transferred to respectively single sub-conductor, increases the sub-conductor current density and reach the ice-melt purpose.
The objective of the invention is to realize by such technical scheme, it includes seven current input terminal R, seven current output terminal S and be arranged on current input terminal and current output terminal between current cycle intelligence deicing device main body, described current cycle intelligence deicing device main body includes the conductive plate that confluxes, the shunting conductive plate, division board, reference voltage plate and the electric current output board that current output terminal is installed, seven current input terminal R are fixed on the conductive plate that confluxes, the conductive plate that confluxes is connected by the primary winding contact rod as electricity-getting mutual inductor between the conductive plate with shunting, be provided with seven conducting rods at the shunting conductive plate, seven conducting rods pass division board and are connected on the reference voltage plate, between electric current output board and division board, be provided with seven with the circuit breaker of by-pass switch, a corresponding current output terminal S is fixed and be connected to arc control device one end of each circuit breaker all with the electric current output board, the arc control device other end of circuit breaker passes the reference voltage plate, and be connected with the actuator of a circuit breaker, on the shunting conductive plate, also be provided with intelligent controller and built-in icing parameter monitoring unit, intelligent controller and built-in icing parameter monitoring unit are between division board and shunting conductive plate, and intelligent controller is electrically connected with built-in icing parameter monitoring unit and actuator respectively.
Further, described intelligent controller, actuator and built-in icing parameter monitoring unit are powered by the electricity-getting mutual inductor take the reference voltage plate as benchmark.
Further, described circuit breaker and by-pass switch all arrange independently actuator.
Further, described device also includes external icing parameter monitoring unit, external icing parameter monitoring unit is used for monitoring of environmental parameter, conductor temperature, current in wire and wire icing loading condition, and the data communication device that monitors is crossed radio communication and the wired connection dual mode is sent to intelligent controller.
Further, described shunting conductive plate includes insulation daughter board and conduction daughter board, and the conduction daughter board is embedded in the center of insulation daughter board, is provided with seven hole and holes that are used for installing electricity-getting mutual inductor that are used for passing conducting rod on the conduction daughter board.
Further, described device also includes two insulating bars that pass successively respectively the conductive plate that confluxes, shunting conductive plate, division board, reference voltage plate and electric current output board.
Further, described device also includes insulation crust, and the conductive plate that confluxes, shunting conductive plate, division board, reference voltage plate and electric current output board are installed in the insulation crust.
Owing to having adopted technique scheme, the present invention has advantages of as follows:
The present invention can be by built-in and external two kinds of modes icing parameter monitoring unit inspection to external environment condition judge whether to occur the icing phenomenon, the folding of intelligent controller control circuit breaker, the load current of seven bundle conductor Transmission Lines is transferred on a part of sub-conductor, increase the sub-conductor current density and reach the ice-melt purpose, intelligent controller calculates the ice-melt time automatically according to load current and the external environment condition parameter of power taking sensor measurement, after the complete ice-melt of this parton wire, the control circuit breaker is transferred to electric current on another part sub-conductor successively, come off until seven root conductive line surfaces ice sheets all melt, then recover normal operating conditions.The present invention controls by intelligent controller is whole in the course of the work, and the criterion of intelligent controller work is provided by the icing parameter monitoring unit of electricity-getting mutual inductor and built-in and external two kinds of modes, can realize the transmission line ice-melt work that prosthetic is intervened.
Other advantages of the present invention, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on being apparent to those skilled in the art to investigating hereinafter, perhaps can be instructed from the practice of the present invention.Target of the present invention and other advantages can realize and obtain by following specification and claims.
Description of drawings
Description of drawings of the present invention is as follows.
Fig. 1 is structural representation of the present invention;
Fig. 2 is workflow diagram of the present invention;
Fig. 3 is the program control block diagram of intelligent controller;
Fig. 4 is shunting conductive plate structure schematic diagram.
Among the figure: 1. conductive plate confluxes; 2. electricity-getting mutual inductor; 3. shunting conductive plate; 4. division board; 5. reference voltage plate; 6. insulation output board; 7. conducting rod; 8. built-in icing parameter monitoring unit; 9. intelligent controller; 10. circuit breaker; 11. by-pass switch; 12. actuator; 13. conduction daughter board; 14. insulation daughter board; 15. insulation crust; 16. insulating bar.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
As shown in Figure 1, current input terminal R concentrates the transmission current of seven each sub-conductor of bundle conductor through the conductive plate 1 that confluxes, utilize electricity-getting mutual inductor 2 to measure seven bundle conductor Transmission Lines electric current total values, transfer to reference voltage plate 5 through shunting conductive plate 3 and conducting rod 7, reference voltage plate 5 is connecting an end of all circuit breakers 10 and by-pass switch in parallel 11, the other end that circuit breaker 10 is connected with by-pass switch is connecting respectively the sub-S of sub-conductor current output terminal that is fixed in insulation output board 6, and each root wire correspondence is connecting a circuit breaker 10 and a by-pass switch 11 in parallel, seven circuit breaker 10 initial conditions are closure state, and seven by-pass switch 11 initial conditions in parallel are in the state of cut-offfing.Intelligent controller 9 sends whether start the ice-melt instruction according to external icing parameter monitoring unit and built-in icing parameter monitoring unit 8 measurement results and built-in control program.Division board 4 is used for actuator 12 is carried out isolation and protection with intelligent controller 9, built-in icing parameter monitoring unit 8.Reference voltage plate 5 is supply voltage reference points of electricity-getting mutual inductor, and electricity-getting mutual inductor provides working power for actuator 12, built-in icing parameter monitoring unit 8 and intelligent controller 9.By-pass switch 11 provided current channel when circuit breaker 10 lost efficacy.Insulating bar 16 is connecting respectively the conductive plate 1 that confluxes, shunting conductive plate 3, division board 4, reference voltage plate 5 and insulation output board 6, is used for machinery and fixes and install the location.
As shown in Figure 4, shunting conductive plate 3 includes insulation daughter board 14 and conduction daughter board 13, conduction daughter board 13 is embedded in the center of insulation daughter board 3, is provided with seven holes that are used for passing conducting rod 7 on the conduction daughter board 13, and the heart arranges a hole that is used for installing electricity-getting mutual inductor 2 primary conductive rods therein.
Do not need to start ice-melt if intelligent controller 9 is judged, then intelligent controller 9 sends instruction to actuator 12, and actuator determines that circuit breaker 10 and by-pass switch 11 remain on initial condition, makes seven each sub-conductor of division by moving under the normal transmission current status.
When intelligent controller 9 judgements need to start ice-melt, by the switch of control respective circuit breakers, can carry out following ice-melting mode:
Ice-melting mode one
1) according to the measurement result of the load current of built-in and external environmental parameter, ice coating state and the power taking sensor measurement of device, utilize seven bundle conductor transmission line current cycle intelligence deicing device that the Transmission Lines electric current is automatically transferred to wherein on sub-conductor I, sub-conductor II and the sub-conductor III, make this three roots current in wire increase, generate heat, load current according to ice coating state and power taking sensor measurement calculates the ice-melt time automatically, melts the ice sheet of this sub-conductor within the time of automatically calculating.Intelligent controller 9 sends instruction to actuator 12, then determine that by actuator 12 circuit breaker 10 actions " cut-offfing " that sub-conductor IV, sub-conductor V, sub-conductor VI, sub-conductor VII connect make seven bundle conductor Transmission Lines current transfer to sub-conductor I, sub-conductor II, sub-conductor III, make sub-conductor I, sub-conductor II, the heating of sub-conductor III, ice-melt, determine the ice-melt time by intelligent controller 9.
2) ice sheet of sub-conductor I, sub-conductor II and sub-conductor III melts end, seven bundle conductor transmission line current cycle deicing devices are transferred to the Transmission Lines current intelligent sub-conductor IV, sub-conductor V, sub-conductor VI, sub-conductor VII automatically, make this four roots current in wire increase, generate heat, load current according to ice coating state and power taking sensor measurement calculates the ice-melt time automatically, melts the ice sheet of this sub-conductor within the time of automatically calculating.Step 1) in, if sub-conductor I, the sub-conductor II, the ice-melt of sub-conductor III finishes, send instruction to actuator 12 by intelligent controller 9, at first make the sub-conductor IV, the sub-conductor V, the sub-conductor VI, circuit breaker 10 actions " closure " that the sub-conductor VII connects, then sub-conductor I, the sub-conductor II, circuit breaker 10 actions " cut-offfing " that the sub-conductor III connects, then seven bundle conductor Transmission Lines current transfer are to the sub-conductor IV, the sub-conductor V, the sub-conductor VI, on the sub-conductor VII, make the sub-conductor IV, the sub-conductor V, the sub-conductor VI, the heating of sub-conductor VII, ice-melt is determined the ice-melt time by intelligent controller 9.
3) when the whole ice-melts end of the ice sheet of 7 root wires, intelligent apparatus recovers the conducting state of normal transmission electric current, waits for next icing process and starts next time deicing processes, in this way reaches the purpose of cyclic deicing.
Ice-melting mode two
1) according to the measurement result of the load current of built-in and external environmental parameter, ice coating state and the power taking sensor measurement of device, utilize seven bundle conductor transmission line current cycle intelligence deicing device that the Transmission Lines electric current is automatically transferred to wherein on the sub-conductor I and sub-conductor II, make this two roots current in wire increase, generate heat, load current according to ice coating state and power taking sensor measurement calculates the ice-melt time automatically, melts the ice sheet of this sub-conductor within the time of automatically calculating.Intelligent controller 9 sends instruction to actuator 12, then determine that by actuator 12 circuit breaker 10 actions " cut-offfing " that sub-conductor III, sub-conductor IV, sub-conductor V, sub-conductor VI, sub-conductor VII connect make seven bundle conductor Transmission Lines current transfer to sub-conductor I and sub-conductor II, make the heating of sub-conductor I and sub-conductor II, ice-melt, determine the ice-melt time by intelligent controller 9
2) ice sheet of sub-conductor I and sub-conductor II melts end, measurement result according to the load current that installs built-in and external environmental parameter, ice coating state and power taking sensor measurement, utilize seven bundle conductor transmission line current cycle intelligence deicing device that the Transmission Lines electric current is automatically transferred to wherein on the sub-conductor III and sub-conductor IV, make this two roots current in wire increase, generate heat, load current according to ice coating state and power taking sensor measurement calculates the ice-melt time automatically, melts the ice sheet of this sub-conductor within the time of automatically calculating.Step 1) in, if sub-conductor I and the ice-melt of sub-conductor II finish, send instruction to actuator 12 by intelligent controller 9, circuit breaker 10 actions " closure " that sub-conductor III and sub-conductor IV are connected, then circuit breaker 10 actions " cut-offfing " that connected of sub-conductor I and sub-conductor II, then seven bundle conductor Transmission Lines current transfer make the heating of sub-conductor III and sub-conductor IV, ice-melt to sub-conductor III and sub-conductor IV, determine the ice-melt time by intelligent controller 9.
3) if melting, finishes the ice sheet of sub-conductor III and sub-conductor IV, measurement result according to the load current that installs built-in and external environmental parameter, ice coating state and power taking sensor measurement, utilize seven bundle conductor transmission line current cycle intelligence deicing device that the Transmission Lines electric current is automatically transferred to wherein on the sub-conductor V and sub-conductor VI, make this two roots current in wire increase, generate heat, load current according to ice coating state and power taking sensor measurement calculates the ice-melt time automatically, melts the ice sheet of this sub-conductor within the time of automatically calculating.Step 2) in, if sub-conductor III and the ice-melt of sub-conductor IV finish, send instruction to actuator 12 by intelligent controller 9, circuit breaker 10 actions " closure " that sub-conductor V and sub-conductor VI are connected, then circuit breaker 10 actions " cut-offfing " that connected of sub-conductor III and sub-conductor IV, then seven bundle conductor Transmission Lines current transfer make the heating of sub-conductor V and sub-conductor VI, ice-melt to sub-conductor V and sub-conductor VI, determine the ice-melt time by intelligent controller 9.
4) ice sheet of sub-conductor V and sub-conductor VI melts end, measurement result according to the load current that installs built-in and external environmental parameter, ice coating state and power taking sensor measurement, utilize seven bundle conductor transmission line current cycle intelligence deicing device that the Transmission Lines electric current is automatically transferred to wherein on the sub-conductor I and sub-conductor VII, make this two roots current in wire increase, generate heat, load current according to ice coating state and power taking sensor measurement calculates the ice-melt time automatically, melts the ice sheet of this sub-conductor within the time of automatically calculating.Step 3) in, if sub-conductor V and the ice-melt of sub-conductor VI finish, send instruction to actuator 12 by intelligent controller 9, circuit breaker 10 actions " closure " that sub-conductor I and sub-conductor VII are connected, then circuit breaker 10 actions " cut-offfing " that connected of sub-conductor V and sub-conductor VI, then seven bundle conductor Transmission Lines current transfer make the heating of sub-conductor I and sub-conductor VII, ice-melt to sub-conductor I and sub-conductor VII, determine the ice-melt time by intelligent controller 9.
5) when the whole ice-melts end of the ice sheet of 7 root wires, intelligent apparatus recovers the conducting state of normal transmission electric current, waits for next icing process and starts next time deicing processes, in this way reaches the purpose of cyclic deicing.
Ice-melting mode three
1) according to the measurement result of the load current of built-in and external environmental parameter, ice coating state and the power taking sensor measurement of device, utilize seven bundle conductor transmission line current cycle intelligence deicing device that the Transmission Lines electric current is automatically transferred to wherein on sub-conductor I, sub-conductor II and the sub-conductor III, make this three roots current in wire increase, generate heat, load current according to ice coating state and power taking sensor measurement calculates the ice-melt time automatically, melts the ice sheet of this sub-conductor within the time of automatically calculating.Intelligent controller 9 sends instruction to actuator 12, then determine that by actuator 12 circuit breaker 10 actions " cut-offfing " that sub-conductor IV, sub-conductor V, sub-conductor VI, sub-conductor VII connect make seven bundle conductor Transmission Lines current transfer to sub-conductor I, sub-conductor II and sub-conductor III, make sub-conductor I, sub-conductor II and the heating of sub-conductor III, ice-melt, determine the ice-melt time by intelligent controller 9
2) wire I, the ice sheet of sub-conductor II and sub-conductor III melts and finishes, the environmental parameter built-in and external according to device, the measurement result of the load current of ice coating state and power taking sensor measurement, utilize seven bundle conductor transmission line current cycle intelligence deicing device that the Transmission Lines electric current is automatically transferred to wherein sub-conductor IV, on sub-conductor V and the sub-conductor VI, this three roots current in wire is increased, heating, load current according to ice coating state and power taking sensor measurement calculates the ice-melt time automatically, melts the ice sheet of this sub-conductor within the time of automatically calculating.Step 1) in, wire I, sub-conductor II and the ice-melt of sub-conductor III finish, send instruction to actuator 12 by intelligent controller 9, circuit breaker 10 actions " closure " that sub-conductor IV, sub-conductor V and sub-conductor VI are connected, then circuit breaker 10 action " cut-offfing " that connected of wire I, sub-conductor II and sub-conductor III, then seven bundle conductor Transmission Lines current transfer are to sub-conductor IV, sub-conductor V and sub-conductor VI, make sub-conductor IV, sub-conductor V and the heating of sub-conductor VI, ice-melt, determine the ice-melt time by intelligent controller 9.
3) sub-conductor IV, the ice sheet of sub-conductor V and sub-conductor VI melts and finishes, the environmental parameter built-in and external according to device, the measurement result of the load current of ice coating state and power taking sensor measurement, utilize seven bundle conductor transmission line current cycle intelligence deicing device that the Transmission Lines electric current is automatically transferred to wherein sub-conductor I, on sub-conductor II and the sub-conductor VII, this three roots current in wire is increased, heating, load current according to ice coating state and power taking sensor measurement calculates the ice-melt time automatically, melts the ice sheet of this sub-conductor within the time of automatically calculating.Step 2) in, if sub-conductor IV, sub-conductor V and the ice-melt of sub-conductor VI finish, send instruction to actuator 12 by intelligent controller 9, circuit breaker 10 actions " closure " that sub-conductor I, sub-conductor II and sub-conductor VII are connected, then circuit breaker 10 action " cut-offfing " that connected of sub-conductor IV, sub-conductor V and sub-conductor VI, then seven bundle conductor Transmission Lines current transfer are to sub-conductor I, sub-conductor II and sub-conductor VII, make sub-conductor I, sub-conductor II and the heating of sub-conductor VII, ice-melt, determine the ice-melt time by intelligent controller 9
4) when the whole ice-melts end of the ice sheet of 7 root wires, intelligent apparatus recovers the conducting state of normal transmission electric current, waits for next icing process and starts next time deicing processes, in this way reaches the purpose of cyclic deicing
As shown in Figure 2, external icing parameter monitoring unit Real-Time Monitoring environmental parameter, conductor temperature, current in wire and wire icing loading condition, and with above-mentioned parameter by the wireless mode real-time Transmission to intelligent controller 9, built-in icing parameter monitoring unit 8 Real-Time Monitoring environmental parameters, conductor temperature, current in wire and wire icing loading condition, and with above-mentioned parameter by the wired mode real-time Transmission to intelligent controller 9, intelligent controller 9 is according to external icing parameter monitoring unit, the data that built-in icing parameter monitoring unit 8 and electricity-getting mutual inductor 2 provide are sent instruction determines circuit breaker 10 and by-pass switch in parallel 11 to actuator 12 operating state according to built-in control program.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from aim and the scope of the technical program, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (7)
1. seven bundle conductor transmission line current cycle intelligence deicing device, it is characterized in that: described device includes seven current input terminal R, seven current output terminal S and be arranged on current input terminal and current output terminal between current cycle intelligence deicing device main body, described current cycle intelligence deicing device main body includes the conductive plate that confluxes, the shunting conductive plate, division board, reference voltage plate and the electric current output board that current output terminal is installed, seven current input terminal R are fixed on the conductive plate that confluxes, the conductive plate that confluxes is connected by the primary winding contact rod as electricity-getting mutual inductor between the conductive plate with shunting, be provided with seven conducting rods at the shunting conductive plate, seven conducting rods pass division board and are connected on the reference voltage plate, between electric current output board and division board, be provided with seven with the circuit breaker of by-pass switch, a corresponding current output terminal S is fixed and be connected to arc control device one end of each circuit breaker all with the electric current output board, the arc control device other end of circuit breaker passes the reference voltage plate, and be connected with the actuator of a circuit breaker, on the shunting conductive plate, also be provided with intelligent controller and built-in icing parameter monitoring unit, intelligent controller and built-in icing parameter monitoring unit are between division board and shunting conductive plate, and intelligent controller is electrically connected with built-in icing parameter monitoring unit and actuator respectively.
2. seven bundle conductor transmission line current cycle as claimed in claim 1 intelligence deicing device, it is characterized in that: described intelligent controller, actuator and built-in icing parameter monitoring unit are powered by the electricity-getting mutual inductor take the reference voltage plate as benchmark.
3. seven bundle conductor transmission line current cycle as claimed in claim 1 intelligence deicing device, it is characterized in that: described circuit breaker and by-pass switch all arrange independently actuator.
4. seven bundle conductor transmission line current cycle as claimed in claim 1 intelligence deicing device, it is characterized in that: described device also includes external icing parameter monitoring unit, external icing parameter monitoring unit is used for monitoring of environmental parameter, conductor temperature, current in wire and wire icing loading condition, and the data communication device that monitors is crossed radio communication and the wired connection dual mode is sent to intelligent controller.
5. seven bundle conductor transmission line current cycle as claimed in claim 1 intelligence deicing device, it is characterized in that: described shunting conductive plate includes insulation daughter board and conduction daughter board, the conduction daughter board is embedded in the center of insulation daughter board, is provided with seven hole and holes that are used for installing electricity-getting mutual inductor that are used for passing conducting rod on the conduction daughter board.
6. seven bundle conductor transmission line current cycle as claimed in claim 1 intelligence deicing device, it is characterized in that: described device also includes two insulating bars that pass successively respectively the conductive plate that confluxes, shunting conductive plate, division board, reference voltage plate and electric current output board.
7. seven bundle conductor transmission line current cycle as claimed in claim 1 intelligence deicing device, it is characterized in that: described device also includes insulation crust, and the conductive plate that confluxes, shunting conductive plate, division board, reference voltage plate and electric current output board are installed in the insulation crust.
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| CN201310021151.0A CN103078286B (en) | 2013-02-16 | 2013-02-16 | Current-circulating intelligent ice-melting device for hepta-bundled conductor power transmission line |
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| CN201310021151.0A CN103078286B (en) | 2013-02-16 | 2013-02-16 | Current-circulating intelligent ice-melting device for hepta-bundled conductor power transmission line |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01202110A (en) * | 1988-02-05 | 1989-08-15 | Hitachi Ltd | Ice and snow removing method for transmission line and its device |
| CN101409438A (en) * | 2008-07-25 | 2009-04-15 | 中国电力工程顾问集团西北电力设计院 | Ice-melting method suitable for transmission line with multiple fission conductor |
| CN101459327A (en) * | 2009-01-07 | 2009-06-17 | 何彪 | Automatic ice melting method for multiple division electricity transmission line and special switch thereof |
| CN101710683A (en) * | 2009-12-25 | 2010-05-19 | 重庆大学 | Intelligent circulation anti-icing method for transmitting current by split lead |
-
2013
- 2013-02-16 CN CN201310021151.0A patent/CN103078286B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01202110A (en) * | 1988-02-05 | 1989-08-15 | Hitachi Ltd | Ice and snow removing method for transmission line and its device |
| CN101409438A (en) * | 2008-07-25 | 2009-04-15 | 中国电力工程顾问集团西北电力设计院 | Ice-melting method suitable for transmission line with multiple fission conductor |
| CN101459327A (en) * | 2009-01-07 | 2009-06-17 | 何彪 | Automatic ice melting method for multiple division electricity transmission line and special switch thereof |
| CN101710683A (en) * | 2009-12-25 | 2010-05-19 | 重庆大学 | Intelligent circulation anti-icing method for transmitting current by split lead |
Non-Patent Citations (1)
| Title |
|---|
| 舒立春等: "智能循环电流融冰方法及其临界融冰电流研究", 《电工技术学报》, vol. 27, no. 10, 31 October 2012 (2012-10-31), pages 26 - 34 * |
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