CN104158307B - Can system for getting online of superhigh pressure conductors on quad bundled ice-melting device for transmission line - Google Patents
Can system for getting online of superhigh pressure conductors on quad bundled ice-melting device for transmission line Download PDFInfo
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- CN104158307B CN104158307B CN201410419363.9A CN201410419363A CN104158307B CN 104158307 B CN104158307 B CN 104158307B CN 201410419363 A CN201410419363 A CN 201410419363A CN 104158307 B CN104158307 B CN 104158307B
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Abstract
Provided by the invention a kind of can system for getting online of superhigh pressure conductors on quad bundled ice-melting device for transmission line, comprising getting of the rod that confluxes being arranged at deicing device can instrument transformer and can the power module that is electrically connected of the secondary side of instrument transformer with described getting, described power supply comprises the rectification circuit at least comprising and being electrically connected with the secondary side getting energy instrument transformer, the second Voltage stabilizing module being electrically connected the first Voltage stabilizing module with rectification circuit output end and being electrically connected with the first Voltage stabilizing module output, described first Voltage stabilizing module is powered to the controller of deicing device, the circuit breaker of described second Voltage stabilizing module deicing device is powered, the present invention can realize three tunnels and export, ensure that the controller of intelligent deicing device and the circuit breaker of deicing device are powered simultaneously, stable electric energy can be provided, thus ensure that intelligent deicing device can work sustainedly and stably, realize complete prosthetic intervention.
Description
Technical field
The present invention relates to that one gets can equipment, particularly relate to a kind of can system for getting online of superhigh pressure conductors on quad bundled ice-melting device for transmission line.
Background technology
There is ice damage in memory in the winter time, thus cause high-tension electricity powerline ice-covering phenomenon.Icing increase causes load of roadway to increase, even cause transmission line broken string under serious conditions, shaft tower collapses etc. affects the major accident of safe operation of power system, cause the large-area power-cuts of electrical network, have a strong impact on the productive life of people, and cause huge Socie-economic loss.
The existing icing to transmission line carries out the artificial deicing in scene or the mechanical deicing that deicing is mainly electric power personnel participation, because above-mentioned two kinds of modes all exist respective shortcoming, therefore, people propose intelligent deicing gradually, namely icing monitoring and removing icing all pass through intelligentized control method, can accomplish that prosthetic participates in, such as Chinese patent (publication number CN103050918A) discloses a kind of current cycle intelligence deicing device of conductors on quad bundled transmission line, the measurement result of this device environmentally condition and ice coating state, auto-controlled circuit breaker is opened, close, the load current of conductors on quad bundled Transmission Lines is transferred to single sub-conductor respectively, increase sub-conductor current density and reach ice-melt object.This device controls the folding of circuit breaker by intelligent controller, the work of transmission line de-icing can be carried out without the need to manual intervention, but be inner intelligent controller, built-in icing parameter monitoring unit or circuit breaker folding all needs power supply device to provide energy, particularly the folding of circuit breaker needs enough large energy, with prevent low-yield under line-hit cause circuit breaker misoperation.
Therefore, in order to ensure that intelligent deicing device can realize complete prosthetic intervention, at present mainly through getting the mode of energy online for powering by deicing device, at present primarily of current transformer carry out getting can, and current transformer is got and can be mainly contained following several mode: 1) utilize primary side current to get energy from bus by electromagnetic coupled.2) utilize optical fiber that the luminous energy of laser or other light sources is sent to hot side from low potential side, then be electric energy by electrooptical device (photocell) by transform light energy, after voltage stabilizing, provide stable power supply to export.3) chargeable storage energy supply is adopted.4) ultrasonic wave function is adopted.5) adopt above several mixed function mode, get energy circuit online by the electromagnetic coupled of current mutual inductor coil simple, cost is lower, but its application difficult point is that transmission line electric current is unstable, and excursion is very large.When transmission line electric current is current state, iron core magnetic is saturated and make secondary winding produce amplitude peaking voltage; When transmission line electric current is close to unloaded small area analysis, instrument transformer is difficult to obtain enough energy.Laser power supply stable performance, but complex structure, energy supply power is less, and cost is higher, and laser life-span is short, and the cost of laser itself is higher and transmission power is subject to strict restriction, if increase number of fibers must increase cost.There is the problems such as battery conversion efficiency is low, cell degradation in chargeable storage energy-provision way, reliability is difficult to ensure.Also there is a common problem in several modes in above-mentioned, is exactly for capacitive load, easily causes capacitive load to occur overshoot phenomenon, thus cause fault.
Therefore, what need a kind of deicing device for conductors on quad bundled newly of proposition gets energy equipment online, can provide stable electric energy, thus ensure that intelligent deicing device can work sustainedly and stably, realize complete prosthetic intervention to intelligent deicing device; And also can there will not be overshoot phenomenon in very large capacitive load discharge and recharge, can bear a wide range of big current, no matter transmission line is in zero load, normal or overload all can ensure that deicing device is safe and reliable.
Summary of the invention
In view of this, the object of this invention is to provide a kind of can system for getting online of superhigh pressure conductors on quad bundled ice-melting device for transmission line, stable electric energy can be provided to intelligent deicing device, thus ensure that intelligent deicing device can work sustainedly and stably, realize complete prosthetic intervention; And also can there will not be overshoot phenomenon in very large capacitive load discharge and recharge, can bear a wide range of big current, no matter transmission line is in zero load, normal or overload all can ensure that deicing device is safe and reliable.
Provided by the invention a kind of can system for getting online of superhigh pressure conductors on quad bundled ice-melting device for transmission line, comprising getting of the rod that confluxes being arranged at deicing device can instrument transformer and can the power module that is electrically connected of the secondary side of instrument transformer with described getting;
Described power supply comprises and at least comprises with get can the secondary side of the instrument transformer rectification circuit, the second Voltage stabilizing module that is electrically connected the first Voltage stabilizing module with rectification circuit output end and is electrically connected with the first Voltage stabilizing module output that are electrically connected, described first Voltage stabilizing module is powered to the controller of pressure sensor, deicing device, and the circuit breaker of described second Voltage stabilizing module deicing device is powered.
Further, described first Voltage stabilizing module is export the DC-DC change-over circuit for 24V.
Further, described second Voltage stabilizing module is export the DC-DC change-over circuit that 120V and power are 12W.
Further,
Current foldback circuit and filter circuit is provided with between described first Voltage stabilizing module and rectification circuit, described current foldback circuit comprises resettable fuse F1 and inductance L 1, and filter circuit comprises resistance R1, resistance R2, resistance R3, resistance R4, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5 and electric capacity C6;
One end of described resettable fuse F1 is connected with rectification circuit output end, other end inductance L 1, the other end of inductance L 1 is connected with the input of the first Voltage stabilizing module, the points of common connection of described resettable fuse F1 and inductance L 1 is by electric capacity C1 ground connection, ground connection after resettable fuse F1 is also connected by electric capacity C2 and electric capacity C3 with the points of common connection of inductance L 1, ground connection after resettable fuse F1 is also connected by resistance R1 and resistance R2 with the points of common connection of inductance L 1;
The points of common connection of described inductance L 1 and the first voltage module connected by resistance R3 and resistance R4 after ground connection, the points of common connection of inductance L 1 and the first voltage module also connected by electric capacity C4 and electric capacity C5 after ground connection, the points of common connection of inductance L 1 and the first voltage module also passes through electric capacity C6 ground connection.
Further; described getting system also can be provided with overcurrent and overvoltage protective module; described overvoltage protective module comprises Transient Suppression Diode TVS1 and Transient Suppression Diode TVS2; described Transient Suppression Diode TVS1 is arranged between the positive-negative output end of the secondary side getting energy instrument transformer; described Transient Suppression Diode TVS2 one end is connected with current foldback circuit output, other end ground connection.
Further; described second Voltage stabilizing module is also provided with output protection circuit; described output protection circuit comprises electric capacity C7, resistance R5, resistance R6 and diode D1; the output of described second Voltage stabilizing module is by ground connection after resistance R5 and electric capacity C7 parallel connection; the output of described second Voltage stabilizing module is connected with the positive pole of diode D1 by resistance R6, and the negative pole of diode D1 is as the output of output protection circuit.
Further, get described in instrument transformer to be current transformer.
Beneficial effect of the present invention: the present invention can realize two-way and export, ensure that the controller of intelligent deicing device and the circuit breaker of deicing device are powered simultaneously, stable electric energy can be provided, thus ensure that intelligent deicing device can work sustainedly and stably, realize complete prosthetic intervention; More importantly also can there will not be overshoot phenomenon in very large capacitive load discharge and recharge; can bear a wide range of big current, no matter transmission line is in zero load, normal or overload all can ensure that deicing device is safe and reliable, and structure is simple; with low cost, reliability is high.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is theory diagram of the present invention.
Fig. 2 is circuit theory diagrams of the present invention.
Fig. 3 is the structural representation of conductors on quad bundled of the present invention intelligence deicing device.
Embodiment
Fig. 1 is theory diagram of the present invention, Fig. 2 is circuit theory diagrams of the present invention, Fig. 3 is the structural representation of conductors on quad bundled of the present invention intelligence deicing device, as shown in the figure, provided by the invention a kind of can system for getting online of superhigh pressure conductors on quad bundled ice-melting device for transmission line, comprising getting of the rod that confluxes being arranged at deicing device can instrument transformer and can the power module that is electrically connected of the secondary side of instrument transformer with described getting; Described getting can instrument transformer be current transformer;
Described power supply comprises the rectification circuit at least comprising and being electrically connected with the secondary side getting energy instrument transformer, the second Voltage stabilizing module being electrically connected the first Voltage stabilizing module with rectification circuit output end and being electrically connected with the first Voltage stabilizing module output, described first Voltage stabilizing module is to pressure sensor, the controller of deicing device is powered, the circuit breaker of described second Voltage stabilizing module deicing device is powered, the present invention can realize three tunnels and export, ensure pressure sensor, the intelligence controller of deicing device and the circuit breaker of deicing device are powered simultaneously, stable electric energy can be provided, thus ensure that intelligent deicing device can work sustainedly and stably, realize complete prosthetic intervention, more importantly also can there will not be overshoot phenomenon in very large capacitive load discharge and recharge, a wide range of big current can be born, no matter transmission line is in zero load, normal or overload all can ensure that deicing device is safe and reliable, structure is simple, with low cost, reliability is high, and wherein pressure sensor is for detecting the icing pulling force of transmission line.
In the present embodiment, described first Voltage stabilizing module is export the DC-DC change-over circuit for 24V, by this change-over circuit, stabilized power supply can be provided for the control section of pressure sensor, intelligent deicing device, the output of described first Voltage stabilizing module is also provided with voltage stabilizing didoe D2, certainly, in order to export the operating voltage of 12V, the DC-DC change-over circuit that output is 12 can also be set at the first Voltage stabilizing module output, as shown in Figure 2.
In the present embodiment, described second Voltage stabilizing module is export the DC-DC change-over circuit that 120V and power are 12W, output due to the first Voltage stabilizing module is 24V, therefore, second Voltage stabilizing module is booster circuit, can ensure to the reliable operating voltage of intelligent deicing device stable output, described first Voltage stabilizing module and the second Voltage stabilizing module can pass through existing circuit realiration, do not repeat them here.
In the present embodiment, current foldback circuit and filter circuit is provided with between described first Voltage stabilizing module and rectification circuit, described current foldback circuit comprises resettable fuse F1 and inductance L 1, and filter circuit comprises resistance R1, resistance R2, resistance R3, resistance R4, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5 and electric capacity C6;
One end of described resettable fuse F1 is connected with rectification circuit output end, other end inductance L 1, the other end of inductance L 1 is connected with the input of the first Voltage stabilizing module, the points of common connection of described resettable fuse F1 and inductance L 1 is by electric capacity C1 ground connection, ground connection after resettable fuse F1 is also connected by electric capacity C2 and electric capacity C3 with the points of common connection of inductance L 1, ground connection after resettable fuse F1 is also connected by resistance R1 and resistance R2 with the points of common connection of inductance L 1;
The points of common connection of described inductance L 1 and the first voltage module connected by resistance R3 and resistance R4 after ground connection, the points of common connection of inductance L 1 and the first voltage module also connected by electric capacity C4 and electric capacity C5 after ground connection, the points of common connection of inductance L 1 and the first voltage module also passes through electric capacity C6 ground connection; Described rectification circuit is the full-bridge type rectification circuit be made up of diode, belongs to prior art, repeats no more;
The electric capacity of inductance L 1 both sides and resistance form the filter circuit of symmetrical structure; can at transmission line because protecting follow-up circuit big current appears in thunderbolt or short circuit; especially each power consumption equipment for intelligent deicing device is protected; and the problems such as the overshoot that can effectively suppress capacitive load to produce by this circuit and backflow; make originally to get and can system can work continually and steadily; in addition, filter circuit can provide pure direct current for subsequent conditioning circuit.
In the present embodiment, described getting system also can be provided with overcurrent and overvoltage protective module, described overvoltage protective module comprises Transient Suppression Diode TVS1 and Transient Suppression Diode TVS2, described Transient Suppression Diode TVS1 is arranged between the positive-negative output end of the secondary side getting energy instrument transformer, described Transient Suppression Diode TVS2 one end is connected with current foldback circuit output, other end ground connection, by the effect of overvoltage protective module, the surge voltage of current transformer when thunderbolt or transmission line export transient high-current can be prevented the impact of follow-up power consumption equipment, the operation that the present invention is continual and steady can be protected.
In the present embodiment, described second Voltage stabilizing module is also provided with output protection circuit, described output protection circuit comprises electric capacity C7, resistance R5, resistance R6 and diode D1, the output of described second Voltage stabilizing module is by ground connection after resistance R5 and electric capacity C7 parallel connection, the output of described second Voltage stabilizing module is connected with the positive pole of diode D1 by resistance R6, the negative pole of diode D1 is as the output of output protection circuit, by this structure, the direct voltage of the second Voltage stabilizing module to deicing device stable output can be ensured, and effectively can prevent the impact that reverse current causes the second current module, thus the second Voltage stabilizing module is effectively protected.
In the present embodiment, in figure 3, conductors on quad bundled power transmission line intelligent deicing device is made up of such as lower component: the conductive plate 1 that confluxes, shunting conductive plate 3, division board 4, reference voltage plate 5, insulation output board 6, conducting rod 7, built-in icing parameter monitoring unit 8, intelligent controller 9, circuit breaker 10, by-pass switch 11, actuator 12, conduction daughter board 13, insulation daughter board 14, insulation crust 15 and insulating bar 16, annexation between above-mentioned each parts is be documented in detail in the patent of CN103050918A at publication number, not in this to go forth, current transformer 2 is arranged at the rod that confluxes (being blocked by current transformer in Fig. 3) at reflowing conductive plate 1 place, can ensure that current transformer obtains enough energy, thus the direct current of stable output.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (6)
1. can a system for getting online of superhigh pressure conductors on quad bundled ice-melting device for transmission line, it is characterized in that: comprising getting of the rod that confluxes being arranged at deicing device can instrument transformer and can the power module that is electrically connected of the secondary side of instrument transformer with described getting;
Described power module at least comprises the rectification circuit, the first Voltage stabilizing module be electrically connected with rectification circuit output end and the second Voltage stabilizing module be electrically connected with the first Voltage stabilizing module output that are electrically connected with the secondary side getting energy instrument transformer, described first Voltage stabilizing module is powered to the controller of deicing device, and described second Voltage stabilizing module is powered to the circuit breaker of deicing device;
Current foldback circuit and filter circuit is provided with between described first Voltage stabilizing module and rectification circuit, described current foldback circuit comprises resettable fuse F1 and inductance L 1, and filter circuit comprises resistance R1, resistance R2, resistance R3, resistance R4, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5 and electric capacity C6;
One end of described resettable fuse F1 is connected with rectification circuit output end, the other end is connected to one end of inductance L 1, the other end of inductance L 1 is connected with the input of the first Voltage stabilizing module, the points of common connection of described resettable fuse F1 and inductance L 1 is by electric capacity C1 ground connection, ground connection after resettable fuse F1 is also connected by electric capacity C2 and electric capacity C3 with the points of common connection of inductance L 1, ground connection after resettable fuse F1 is also connected by resistance R1 and resistance R2 with the points of common connection of inductance L 1;
The points of common connection of described inductance L 1 and the first Voltage stabilizing module connected by resistance R3 and resistance R4 after ground connection, the points of common connection of inductance L 1 and the first Voltage stabilizing module also connected by electric capacity C4 and electric capacity C5 after ground connection, the points of common connection of inductance L 1 and the first Voltage stabilizing module also passes through electric capacity C6 ground connection.
2. according to claim 1 can system for getting online of superhigh pressure conductors on quad bundled ice-melting device for transmission line, it is characterized in that: described first Voltage stabilizing module is export the DC-DC change-over circuit for 24V.
3. according to claim 1 can system for getting online of superhigh pressure conductors on quad bundled ice-melting device for transmission line, it is characterized in that: described second Voltage stabilizing module is export 120V and power is the DC-DC change-over circuit of 12W.
4. according to claim 1 can system for getting online of superhigh pressure conductors on quad bundled ice-melting device for transmission line; it is characterized in that: described in get can system also be provided with overvoltage protective module; described overvoltage protective module comprises Transient Suppression Diode TVS1 and Transient Suppression Diode TVS2; described Transient Suppression Diode TVS1 is arranged between the positive-negative output end of the secondary side getting energy instrument transformer; described Transient Suppression Diode TVS2 one end is connected with current foldback circuit output, other end ground connection.
5. according to claim 4 can system for getting online of superhigh pressure conductors on quad bundled ice-melting device for transmission line; it is characterized in that: described second Voltage stabilizing module is also provided with output protection circuit; described output protection circuit comprises electric capacity C7, resistance R5, resistance R6 and diode D1; the output of described second Voltage stabilizing module is by ground connection after resistance R5 and electric capacity C7 parallel connection; the output of described second Voltage stabilizing module is connected with the positive pole of diode D1 by resistance R6, and the negative pole of diode D1 is as the output of output protection circuit.
6. according to claim 5 can system for getting online of superhigh pressure conductors on quad bundled ice-melting device for transmission line, it is characterized in that: described in get instrument transformer to be current transformer.
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| CN201410419363.9A CN104158307B (en) | 2014-08-22 | 2014-08-22 | Can system for getting online of superhigh pressure conductors on quad bundled ice-melting device for transmission line |
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| CN201410419363.9A CN104158307B (en) | 2014-08-22 | 2014-08-22 | Can system for getting online of superhigh pressure conductors on quad bundled ice-melting device for transmission line |
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| CN104158307B true CN104158307B (en) | 2016-03-23 |
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| CN106549370A (en) * | 2016-10-27 | 2017-03-29 | 武汉船舶通信研究所 | A kind of detection protection circuit |
| CN106911192A (en) * | 2017-04-15 | 2017-06-30 | 三峡大学 | A kind of high voltage induction electricity getting device of doubleway output |
| CN109510325A (en) * | 2018-12-21 | 2019-03-22 | 江苏南瑞恒驰电气装备有限公司 | A kind of circulation self-contained electric system for GIL on-line monitoring |
| CN110136940B (en) * | 2019-05-20 | 2024-10-18 | 国网陕西省电力公司西安供电公司 | High-voltage energy taking device based on capacitor series constant current source |
| CN113471769B (en) * | 2021-07-07 | 2024-04-02 | 贵州电网有限责任公司 | Split conductor current circulation ice melting combiner |
| CN113541081B (en) * | 2021-07-14 | 2022-08-19 | 四川大学 | Lossless single-phase anti-icing and de-icing control equipment based on thyristor |
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| CN101697430B (en) * | 2009-11-12 | 2011-09-28 | 上海交通大学 | Power control method based CT electricity getting device of high voltage transmission line |
| JP5949773B2 (en) * | 2011-10-07 | 2016-07-13 | トヨタ自動車株式会社 | Power receiving device, vehicle including the same, and power transmission system |
| CN102368637A (en) * | 2011-10-21 | 2012-03-07 | 安徽省电力公司六安供电公司 | Power acquisition device of high-voltage power transmission line |
| CN102437626A (en) * | 2011-12-27 | 2012-05-02 | 中国科学院自动化研究所 | Non-contact induction charging device |
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Address after: 400044 No. 174 Shapingba street, Shapingba District, Chongqing Patentee after: Chongqing University Patentee after: Chongqing Guangren Iron Tower Manufacture Co.,Ltd. Address before: 400044 No. 174 Shapingba street, Shapingba District, Chongqing Patentee before: Chongqing University Patentee before: CHONGQING GUANGREN TOWER MANUFACTURING Co.,Ltd. |