CN100452614C - Induction powered apparatus for overhead high tension transmission lines - Google Patents
Induction powered apparatus for overhead high tension transmission lines Download PDFInfo
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- CN100452614C CN100452614C CNB2004100613149A CN200410061314A CN100452614C CN 100452614 C CN100452614 C CN 100452614C CN B2004100613149 A CNB2004100613149 A CN B2004100613149A CN 200410061314 A CN200410061314 A CN 200410061314A CN 100452614 C CN100452614 C CN 100452614C
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Abstract
The present invention relates to an induction powered apparatus for overhead high tension transmission lines, which comprises an iron core (5), wherein the iron core (5) is wound with a secondary coil (4). The present invention is characterized in that a road wheel (6) across a transmission line (7) is arranged in the iron core (5); the lower end of the iron core is connected with a movable edge (9) which can open the lower end of the iron core (5); a driving mechanism (3) is near the iron core (5) for opening or closing the movable edge (9); an output circuit of the secondary coil (4) is connected in parallel with a switching power supply (18), a voltage monitoring and controlling device (19), an accumulator (20), a motor and a DC-direct current conversion device (21). The technical scheme can convert alternating magnetic energy around the transmission line into alternating electrical energy which is changed into direct current constant-current power supply for output after being rectified, filtered and separated by the switching power supply. The induction powered apparatus is a power supply which charges the accumulator in real time and does not need manual live line work to replace the inspection equipment of the transmission line.
Description
Technical field
The present invention relates to a kind of induction electricity getting device that is used for the aerial high voltage power transmission lead, especially the magnetic energy around the aerial high-voltage power transmission line is converted to electric energy, and the induction electricity getting device that storage battery is charged or directly powers for external load.
Background technology
At present, the on-line detector device on the high voltage electricity transmission conductive wire is battery-powered, on the transmission pressure patrol and examine or the live line working mobile device is power is provided or is driven by manpower by storage battery power supply or by oil-burning machine.In above instrument or equipment, because the restriction of battery or fuel capacity, every work a period of time, need artificial live line working more to renew battery or postcombustion, the non-working time that this has not only greatly increased instrument and equipment, live line working workload and potential personal safety hidden danger thereof have also been increased.In order to prolong the operating time of these instrument and equipments, just must increase the capacity of the energy, thereby cause increasing considerably of instrument and equipment weight, also just limited the practical application of these instrument and equipments.Owing to lack the online supply of the energy
Loading amount, make the application of these instrument and equipments on transmission line be subjected to very big restriction.
Summary of the invention
Technical problem to be solved by this invention provides a kind of induction electricity getting device that is used for the aerial high voltage power transmission lead, and it can carry out online supply electric energy for the on-line detector device on the aerial high voltage power transmission lead or mobile device, need not artificial live line working.
Technical scheme of the present invention is: a kind of induction electricity getting device that is used for the aerial high voltage power transmission lead, comprise iron core 5, be wound with secondary coil 4 on this iron core 5, it is characterized in that: be provided with the road wheel 6 that is positioned on the transmission pressure 7 in iron core 5 rings, the lower end of iron core 5 rings is connecting the active edges 9 that can open iron core 5 ring lower ends, open or what close up this active edges 9 is near the driving mechanism 3 that is positioned at the iron core 5, on the output loop of secondary coil 4, be parallel with Switching Power Supply 18, voltage monitoring and control device 19, storage battery 20, motor 1 and DC-to-DC conversion equipment 21.
And, driving mechanism 3 comprises motor 1, decelerator 2 and by this motor 1 and the leading screw and nut mechanism 15 that drives through decelerator 2, nut 13 secondary ends with rocking bar 11 that move back and forth on screw mandrel 14 constitute moving sets, the centre of gyration 12 of rocking bar 11 is hinged with support 16, and the other end of rocking bar 11 constitutes revolute pair with movable electromagnet stent 10.
And voltage monitoring and control device 19 comprise voltage monitoring circuit and storage battery 20 automatic charging control circuits.
And, voltage monitoring circuit is by voltage stabilizing didoe D1, triode Q1, two photodiode D3, D2, photoelectric isolated chip U2 and corresponding resistance R 1～R7 form, described resistance R 1, voltage stabilizing didoe D1, resistance R 3, R2, photodiode D2 is in series successively, wherein, connect the base stage of triode Q1 between voltage stabilizing didoe D1 and the resistance R 3, the grounded emitter of triode Q1 also is connected between the IN-pin and resistance R 2 and R3 of photoelectric isolated chip U2 simultaneously, the collector electrode of triode Q1 is successively through photodiode D3, resistance R 5 connects the IN1+ pin of photoelectric isolated chip U2, storage battery 20 automatic charging control circuits comprise voltage stabilizing chip U1, Schmidt trigger circuit that operational amplifier A R2 and resistance thereof are formed and the switching circuit of forming by triode Q3 and relay K, the Vin of voltage stabilizing chip U1 and Vout pin are respectively through electrochemical capacitor C1, C2 links to each other with the GND pin of voltage stabilizing chip U1 and ground connection and through resistance R 8 simultaneously, photodiode D5 connects the OUT pin of another photodiode D4 and storage battery 20, the Vout pin of voltage stabilizing chip U1 and the control end C of operational amplifier A R2 joins and through resistance R 10, the positive pole of R13 and voltage stabilizing chip U1 joins, the Vin pin of voltage stabilizing chip U1 joins through the negative pole of resistance R 11 with amplifier AR2, and through resistance R 12, R14, the output of R15 and amplifier AR2 joins, this output joins with the base stage of triode Q3 and the collector electrode of triode Q4 through resistance R 16 more simultaneously, the base stage of triode Q4 meets the OUT2-of photoelectric isolated chip U3, triode Q4 grounded emitter, collector electrode and the relay K of triode Q3 are joined, triode Q2 and Q3, photoelectric isolated chip U3, relay K is formed the external control circuit of accumulators 20 chargings, the collector and emitter homopolarity of described two triode Q2 and Q3 links to each other, the OUT2-of the base stage of triode Q2 and photoelectric isolated chip U3 joins, meanwhile, the collector electrode of triode Q2 is through the IN2+ pin of optical coupling diode D7 and photoelectric isolated chip U2 and the Vin pin of photoelectric isolated chip U1, junction block J, the positive pole of storage battery 20, relay K is connected, the IN2-pin of photoelectric isolated chip U2 is through resistance R 9, optical coupling diode D6 links to each other with the collector electrode of triode Q2, the minus earth of storage battery 20 also joins with an output of Switching Power Supply 18, the CONTROL of junction block J links to each other with the IN2-pin with the IN1-of photoelectric isolated chip U3 respectively with the EN pin, between the IN1+ of photoelectric isolated chip U3 and the IN2+ pin through resistance R 19, the R20 interconnection.
The present invention is owing to adopted technique scheme, alternation magnetic energy around the transmission pressure can be converted to alternate electric energy, and after Switching Power Supply rectifying and wave-filtering and isolation, become dc constant flowing power output, need not artificial live line working to the storage battery real time charging and change power supply.And the automatic supervision of charging voltage and control can be controlled it by the outside.Electromagnet can be realized machinery folding, and folding power is made of mechanical force and electromagnetic attraction, during open and close movement, the secondary coil short circuit, to reduce electromagnetism adhesive resistance, the magnet after closing up is subjected to mechanical force and the acting in conjunction of electromagnetism the suction-combining force, thereby guarantees the positive engagement of electromagnet.The present invention both can be used for can be used for again on the mobile device of live line working on the transmission line on-line detector device.
Description of drawings
Fig. 1 is the structural representation of electromagnetic induction device of the present invention.
Fig. 2 is the schematic block diagram of power-supply system of the present invention
Fig. 3 is power supply and supervisory circuit schematic diagram thereof.
Fig. 4～Fig. 7 is respectively 4 DC-DC modular converters of DC-to-DC (DC-DC) conversion equipment.
Fig. 8 be among Fig. 3 voltage stabilizing chip U1 enlarged drawing.
Fig. 9 is the enlarged drawing of photoelectric isolated chip U2 among Fig. 3.
Figure 10 is the enlarged drawing of photoelectric isolated chip U3 among Fig. 3.
Figure 11 is the enlarged drawing of junction block J among Fig. 3.
Embodiment
Referring to Fig. 1～Fig. 7, the present invention is a kind of induction electricity getting device that is used for the aerial high voltage power transmission lead, comprise iron core 5, be wound with secondary coil 4 on this iron core 5, it is characterized in that: be provided with the road wheel 6 that is positioned on the transmission pressure 7 in iron core 5 rings, the lower end of iron core 5 rings is connecting the active edges 9 that can open iron core 5 ring lower ends, open or what close up this active edges 9 is near the driving mechanism 3 that is positioned at the iron core 5, on the output loop of secondary coil 4, be parallel with Switching Power Supply 18, voltage monitoring and control device 19, storage battery 20, motor 1 and DC-to-DC conversion equipment 21.
Further technical scheme can be: driving mechanism 3 comprises motor 1, decelerator 2 and by this motor 1 and the leading screw and nut mechanism 15 that drives through decelerator 2, nut 13 secondary ends with rocking bar 11 that move back and forth on screw mandrel 14 constitute moving sets, the centre of gyration 12 of rocking bar 11 is hinged with support 16, and the other end of rocking bar 11 constitutes revolute pair with movable electromagnet stent 10.
Suggestion: the support 10,17 of rocking bar 11 and supporting iron core 5 is made by engineering plastics, and adopting this non-magnet material is for fear of form magnetic loop and current circuit on electromagnet 5 cross sections.
Further technical scheme can also be: voltage monitoring and control device 19 comprise voltage monitoring circuit and storage battery 20 automatic charging control circuits.
And, voltage monitoring circuit is by voltage stabilizing didoe D1, triode Q1, two photodiode D3, D2, photoelectric isolated chip U2 and corresponding resistance R 1～R7 form, described resistance R 1, voltage stabilizing didoe D1, resistance R 3, R2, photodiode D2 is in series successively, wherein, connect the base stage of triode Q1 between voltage stabilizing didoe D1 and the resistance R 3, the grounded emitter of triode Q1 also is connected between the IN-pin and resistance R 2 and R3 of photoelectric isolated chip U2 simultaneously, the collector electrode of triode Q1 is successively through photodiode D3, resistance R 5 connects the IN1+ pin of photoelectric isolated chip U2, storage battery 20 automatic charging control circuits comprise voltage stabilizing chip U1, Schmidt trigger circuit that operational amplifier A R2 and resistance thereof are formed and the switching circuit of forming by triode Q3 and relay K, the Vin of voltage stabilizing chip U1 and Vout pin are respectively through electrochemical capacitor C1, C2 links to each other with the GND pin of voltage stabilizing chip U1 and ground connection and through resistance R 8 simultaneously, photodiode D5 connects the OUT pin of another photodiode D4 and storage battery 20, the Vout pin of voltage stabilizing chip U1 and the control end C of operational amplifier A R2 joins and through resistance R 10, the positive pole of R13 and voltage stabilizing chip U1 joins, the Vin pin of voltage stabilizing chip U1 joins through the negative pole of resistance R 11 with amplifier AR2, and through resistance R 12, R14, the output of R15 and amplifier AR2 joins, this output joins with the base stage of triode Q3 and the collector electrode of triode Q4 through resistance R 16 more simultaneously, the base stage of triode Q4 meets the OUT2-of photoelectric isolated chip U3, triode Q4 grounded emitter, collector electrode and the relay K of triode Q3 are joined, triode Q2 and Q3, photoelectric isolated chip U3, relay K is formed the external control circuit of accumulators 20 chargings, the collector and emitter homopolarity of described two triode Q2 and Q3 links to each other, the OUT2-of the base stage of triode Q2 and photoelectric isolated chip U3 joins, meanwhile, the collector electrode of triode Q2 is through the IN2+ pin of optical coupling diode D7 and photoelectric isolated chip U2 and the Vin pin of photoelectric isolated chip U1, junction block J, the positive pole of storage battery 20, relay K is connected, the IN2-pin of photoelectric isolated chip U2 is through resistance R 9, optical coupling diode D6 links to each other with the collector electrode of triode Q2, the minus earth of storage battery 20 also joins with an output of Switching Power Supply 18, the CONTROL of junction block J links to each other with the IN2-pin with the IN1-of photoelectric isolated chip U3 respectively with the EN pin, between the IN1+ of photoelectric isolated chip U3 and the IN2+ pin through resistance R 19, the R20 interconnection.
In the structure of described induction electricity getting device, except that leading screw 14, nut 13, Motionless electromagnetic retort stand 16 rocking bars 11 and movable electromagnet stent 10, all the other are by the high-strength aluminum alloy material processing and manufacturing, and all carry out anodization, so both guaranteed the intensity of structure, guaranteed the hardness of relative motion surface again, simultaneously can anticorrosion.
Described Switching Power Supply 18 is the switch constant-current supply preferably, because it belongs to prior art, so its physical circuit is not given unnecessary details.
The operation principle of power supply and supervisory circuit thereof is: the alternating magnetic field that current-carrying transmission pressure 7 is produced forms closed magnetic flux in electromagnetic core, and the generation of two outputs in electromagnetic induction coil induced potential, when external load, then forms alternating current output.This AC signal is transformed to direct current through the switch constant-current supply, and constant current is output as storage battery 20 chargings.The voltage at storage battery 20 two ends is introduced its voltage monitoring circuit, charging control circuit and DC-to-DC (DC-DC) change-over circuit 21 respectively.Storage battery 20 voltages that are incorporated into voltage monitoring circuit are controlled the conducting of triode Q1 and are ended behind voltage-stabiliser tube D1, thereby make light-emitting diode D3 conducting or end, and isolate the back through photoelectricity and provide corresponding Transistor-Transistor Logic level signal to outer connected control system.Be incorporated into the voltage signal of charging control circuit, compare with a reference voltage signal, promptly when storage battery 20 voltages are lower than reference signal voltage, control relay K coil gets, induced current is accumulators 20 charging behind the switch constant-current supply, otherwise, relay K coil losing electricity then, two output short circuits of induction coil stop to storage battery 20 chargings.When external control system is controlled storage battery 20 chargings, then only needing earlier, Transistor-Transistor Logic level signal of input makes inner control signal inoperative, and then import a Transistor-Transistor Logic level signal, control relay K coil electric or dead electricity, thereby realize external control to the charging of storage battery 20.When storage battery 20 voltages were incorporated into DC-to-DC (DC-DC) modular power source, then each module provided required power supply for external load and control system.Concrete operation principle is as follows:
Charging circuit: around the coil of responding on the power taking iron core 54, the magnetic energy around the transmission pressure 7 is converted to alternate electric energy, behind the switch constant-current supply, exports direct current, again through 20 chargings of current limliting diode D4 accumulators.Electromagnetic core 5 usefulness punching silicon-steel are shaped, and sectional area is 40*25mm
2, induction coil is 750 circles, when the transmission pressure electric current was 400A, charging current was 2.5A.
The external control circuit of storage battery 20 charging: it is made up of photoelectric isolated chip U3, two triode Q2 and Q3, relay etc.When external control system need be controlled storage battery 20 chargings, then at first give the EN end input Transistor-Transistor Logic level control signal of junction block J by external control system, after photoelectric isolated chip U3 output, make triode Q4 forward conduction, then triode Q3 oppositely ends, promptly not starting to control making usefulness from comparator AR2 signal, also is that storage battery 20 automatic charging control circuits are in disarmed state.Then, when external control signal is the TTL low level for the CONTROL of junction block J, then through photoelectric isolated chip U3 output low level signal, triode Q2 is ended, relay coil K dead electricity, normally-closed contact closure, i.e. short circuit between ACN1 and ACN2, induction coil self forms the closed-loop path, stops to storage battery 20 chargings; When external control signal is the TTL high level for the CONTROL of junction block J, then through photoelectric isolated chip U3 output high level signal, make triode Q2 conducting, relay coil K gets, normally-closed contact disconnects, be that ACN1 and ACN2 are separated, induction coil is given when storage battery 20 chargings through the switch constant-current supply.
DC-to-DC (DC-DC) conversion equipment 21 has 4 chips and (sees Fig. 4～Fig. 7), be respectively: 24D12, HZD10, CNK32V, HZD40, they all join with the 24V of junction block J, its function be respectively 24VDC is converted to ± 12VDC ,+5VDC ,+12VDC and+32VDC so that other DC power supply except that the 24V direct current that provides for crusing robot.Because this device belongs to prior art, so its circuit and principle are not described further.
Described electromagnet can be made by silicon steel material, and storage battery 20 is available to be the rechargeable Ni-H 2 storage battery 20 of 24V9000mAh, other components and parts and switch constant-current supply etc., and market is all on sale.Circuit is simple, debugging and easy to use.
The present invention both can be used for being fixed on the power supply of the detecting instrument on the transmission pressure, be used in the power supply of mobile operating equipment on the transmission line again, and the power supply required according to instrument and equipment, the number of turn to the sectional area and the induction coil of electromagnetic core, storage battery 20 capacity and electric pressure, the trigger voltage threshold value of Schmidt trigger, DC-to-DC (DC-DC) and other components and parts etc. are done corresponding the adjustment, and the Transistor-Transistor Logic level of photoelectric isolated chip U2 output is as the input of supporting instrument and equipment control system, and CONTROL and the EN end of two-way Transistor-Transistor Logic level signal to junction block J is provided in the necessary instrument apparatus control system, then can realize a complete application of power system.
The application of the present invention and the course of work are as follows: by above-mentioned operation principle, native system is inserted application system on electrical equipment, and positioned with instrument and equipment by four installing holes on the Motionless electromagnetic support 16 16.1 and to connect.Before application system is installed on the transmission pressure 7, the movable electromagnetic core 8 on the induction electricity getting device is opened to maximum opening, storage battery 20 electric weight abundances fully; After application system is installed on the transmission pressure 7, power turn-on master switch SW, and movable electromagnetic core 8 is closed up fully, it is in running order then to respond to electricity getting device, power-supply system is carried out work according to the following procedure: when the CONTROL on the junction block J and EN were low level, shellfish then native system was monitored principle automatically by above-mentioned charging and carries out work.When application system need be loaded and unloaded, or application system is need respond to electricity getting device and do the across obstacle motion for mobile device on transmission line the time, then application system send high level signal for the EN on the junction block J, make the automatic charge control disabler of native system, by application system by following requirement work: but motor magnet 8 open and the process of closing up in, CONTROL on the junction block J should be low level, the relay K dead electricity, the normally-closed contact closure, induction coil is through the normally-closed contact short circuit of relay, and induction coil produces anti-magnetic flux, thereby reduces the electromagnetic attraction on electromagnet composition surface; After movable electromagnetic core 8 closed up, the CONTROL on the junction block J should be high level, and relay K gets electric, and normally-closed contact disconnects, and induction coil 4 is through 20 chargings of switch constant-current supply accumulators, and the composition surface of electromagnet produces the electromagnetism the suction-combining force.
Claims (2)
1. induction electricity getting device that is used for the aerial high voltage power transmission lead, comprise iron core (5), be wound with secondary coil (4) on this iron core (5), it is characterized in that: be provided with the road wheel (6) that is positioned on the transmission pressure (7) in iron core (5) ring, the lower end of iron core (5) ring is connecting the active edges (9) that can open iron core (5) ring lower end, open or what close up this active edges (9) is near the driving mechanism (3) that is positioned at the iron core (5), the output of secondary coil (4) outputs to storage battery (20) and motor (1) and DC-to-DC conversion equipment (21) through Switching Power Supply (18), also have voltage monitoring and control device (19), this voltage monitoring and control device (19) are used to monitor storage battery (20) voltage, when storage battery (20) when voltage is lower than predetermined value, be in the charging operating state; When storage battery (20) voltage during more than or equal to predetermined value, to outside power devices.
2. the induction electricity getting device that is used for the aerial high voltage power transmission lead according to claim 1, it is characterized in that: driving mechanism (3) comprises motor (1), decelerator (2) and by this motor (1) and the leading screw and nut mechanism (15) that drives through decelerator (2), the secondary end with rocking bar (11) of the nut (13) that moves back and forth on screw mandrel (14) constitutes moving sets, the centre of gyration (12) of rocking bar (11) is hinged with support (16), and the other end of rocking bar (11) constitutes revolute pair with movable electromagnet stent (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100613149A CN100452614C (en) | 2004-12-10 | 2004-12-10 | Induction powered apparatus for overhead high tension transmission lines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100613149A CN100452614C (en) | 2004-12-10 | 2004-12-10 | Induction powered apparatus for overhead high tension transmission lines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1655421A CN1655421A (en) | 2005-08-17 |
| CN100452614C true CN100452614C (en) | 2009-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100613149A Expired - Fee Related CN100452614C (en) | 2004-12-10 | 2004-12-10 | Induction powered apparatus for overhead high tension transmission lines |
Country Status (1)
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| CN (1) | CN100452614C (en) |
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| CN101867231A (en) * | 2010-06-28 | 2010-10-20 | 国网电力科学研究院武汉南瑞有限责任公司 | High-voltage side mutual inductance energy-acquiring device of high-voltage power transmission line |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01132410A (en) * | 1987-05-29 | 1989-05-24 | Bridgestone Corp | Antiskid device for tire |
| JP2607607B2 (en) * | 1988-03-30 | 1997-05-07 | 株式会社日立製作所 | Transmission line traveling equipment |
| CN1238459A (en) * | 1998-06-10 | 1999-12-15 | 甘肃省电力公司 | Equipment for measuring ultra-high-voltage transmitted current with electromagnetically inductive current transformer |
| CN2472324Y (en) * | 2001-04-16 | 2002-01-16 | 上海市嘉定互感器厂 | Openable current mutual inductor |
| JP2003079018A (en) * | 2001-08-30 | 2003-03-14 | Fujikura Ltd | Wire inspection device |
| CN2595034Y (en) * | 2002-12-02 | 2003-12-24 | 国家电力公司南方公司平果超高压局 | Clamp device for working on hot power transmission line |
| CN1486525A (en) * | 2000-12-07 | 2004-03-31 | Means and method for removing extraneous matter like ice/snow on overhead line | |
| CN2657880Y (en) * | 2003-11-18 | 2004-11-24 | 中国科学院自动化研究所 | Automatic travelling detecting manipulator single body for high-voltage transmission line |
-
2004
- 2004-12-10 CN CNB2004100613149A patent/CN100452614C/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01132410A (en) * | 1987-05-29 | 1989-05-24 | Bridgestone Corp | Antiskid device for tire |
| JP2607607B2 (en) * | 1988-03-30 | 1997-05-07 | 株式会社日立製作所 | Transmission line traveling equipment |
| CN1238459A (en) * | 1998-06-10 | 1999-12-15 | 甘肃省电力公司 | Equipment for measuring ultra-high-voltage transmitted current with electromagnetically inductive current transformer |
| CN1486525A (en) * | 2000-12-07 | 2004-03-31 | Means and method for removing extraneous matter like ice/snow on overhead line | |
| CN2472324Y (en) * | 2001-04-16 | 2002-01-16 | 上海市嘉定互感器厂 | Openable current mutual inductor |
| JP2003079018A (en) * | 2001-08-30 | 2003-03-14 | Fujikura Ltd | Wire inspection device |
| CN2595034Y (en) * | 2002-12-02 | 2003-12-24 | 国家电力公司南方公司平果超高压局 | Clamp device for working on hot power transmission line |
| CN2657880Y (en) * | 2003-11-18 | 2004-11-24 | 中国科学院自动化研究所 | Automatic travelling detecting manipulator single body for high-voltage transmission line |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101867231A (en) * | 2010-06-28 | 2010-10-20 | 国网电力科学研究院武汉南瑞有限责任公司 | High-voltage side mutual inductance energy-acquiring device of high-voltage power transmission line |
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| Publication number | Publication date |
|---|---|
| CN1655421A (en) | 2005-08-17 |
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