CN106053925A - High-voltage line live display blocking device - Google Patents

High-voltage line live display blocking device Download PDF

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Publication number
CN106053925A
CN106053925A CN201610689984.8A CN201610689984A CN106053925A CN 106053925 A CN106053925 A CN 106053925A CN 201610689984 A CN201610689984 A CN 201610689984A CN 106053925 A CN106053925 A CN 106053925A
Authority
CN
China
Prior art keywords
audion
resistance
colelctor electrode
controller
base stage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610689984.8A
Other languages
Chinese (zh)
Inventor
康军
马文立
吴昊
甄婵婵
李旭东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Electric Power Co Of Shandong Province Yutai County Power Supply Co
State Grid Corp of China SGCC
Original Assignee
State Grid Electric Power Co Of Shandong Province Yutai County Power Supply Co
State Grid Corp of China SGCC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Electric Power Co Of Shandong Province Yutai County Power Supply Co, State Grid Corp of China SGCC filed Critical State Grid Electric Power Co Of Shandong Province Yutai County Power Supply Co
Priority to CN201610689984.8A priority Critical patent/CN106053925A/en
Publication of CN106053925A publication Critical patent/CN106053925A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/145Indicating the presence of current or voltage
    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/70Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies

Abstract

The invention provides the technical scheme of a high-voltage line live display blocking device comprising inductors used for inducing whether the line is live. The inductors are connected with a controller. The controller is connected with an alarm and a wireless communication module through an alarm control circuit. The control is further connected with a storage module used for storing current or voltage change information of the line. An interface module is connected with the controller. In addition, the controller is further connected with a solar cell panel and a display. By adopting the device, remote alarming can be carried out, and two inductors are provided, so that the detection accuracy is further improved.

Description

A kind of high-tension line electrified display interlock apparatus
Technical field
The present invention relates to a kind of high-tension line electrified display interlock apparatus.
Background technology
In the prior art, known technology be HV live displaying be to indicate the high pressure equipment or transmission line of electricity to be No band point, just can understand charged situation timely, prevent maloperation or electric shock when such staff overhauls, but The high-tension line charged reality blocking device of current use, the most simply onsite alarming, it is impossible to remotely transfer tape electrical information, this It it is the weak point existing for prior art.
Summary of the invention
The purpose of the present invention is aiming at the deficiency existing for prior art, and provides a kind of charged display of high-tension line to close The technical scheme of locking device, the device of the program, remote alarms can be carried out, and have two induction apparatuss, can improve further The accuracy of detection.
This programme is achieved by the following technical measures: a kind of high-tension line electrified display interlock apparatus, including using In the induction apparatus that induction line is the most charged, the feature of this programme is: described induction apparatus is connected with controller, described control Device is connected with alarm and wireless communication module by alarm control circuit, described controller also be used for storing line current Change memory module connect, have interface module to be connected with described controller, it addition, controller the most respectively with solaode Plate and display connect.Described wireless communication module is 3G or 4G wireless communication module.Described interface module be RS485 with RS23 interface.Described controller is connected with clock module.
Described induction apparatus is two, and the first induction apparatus is connected with controller, and the second induction apparatus passes through ON-OFF control circuit It is connected with controller.
Described ON-OFF control circuit includes first audion VT1, and the base stage of first audion VT1 is by the first electricity Resistance R1 is connected with controller, and the colelctor electrode of the colelctor electrode of first audion VT1 and second audion VT2 connects, first The base stage of the emitter stage of audion VT1 and second audion VT2 connects, and the base stage of first audion VT1 is by the first electricity Hold C1 and second audion VT2 colelctor electrode connection, the grounded emitter of second audion VT2, second audion The colelctor electrode of VT2 is connected by second resistor R2 and+VCC, and the colelctor electrode of second audion VT2 passes through the 3rd resistance R3 Being connected with the base stage of the 3rd audion VT3, the emitter stage of the 3rd audion VT3 is connected with+VCC, the 3rd audion VT3 Colelctor electrode by first relay K 1 ground connection, have first diode D1 in parallel with the first described relay K 1, first The normally opened contact K1-1 of relay K 1 is connected between the second induction apparatus and controller, has the 4th resistance and the first described relay Device K1 is in parallel, has a display lamp LED to connect with the 4th described resistance R4.
Described alarm control circuit includes the 4th audion VT4, and the base stage of the 4th audion VT4 is with controller even Connecing, the colelctor electrode of the 4th audion VT4 is connected by the 5th resistance R5 and+VCC, the emitter stage of the 4th audion VT4 and The base stage of the 5th audion VT5 connects, and the colelctor electrode of the colelctor electrode of the 4th audion VT4 and the 5th audion VT5 is even Connecing, the emitter stage of the 5th audion VT5 and ground connection, the colelctor electrode of the 5th audion VT5 passes through the 6th resistance R6 and the 6th The base stage of individual audion VT6 connects, and the colelctor electrode of the 6th audion VT6 is connected by the 7th resistance R7 and+VCC, the 6th The emitter stage of audion VT6 passes through the 8th resistance R8 ground connection, the emitter stage of the 6th audion VT6 and the 7th audion VT7 Emitter stage connect, the colelctor electrode of the 6th audion VT6 is by the base stage of the 9th resistance R9 and the 7th audion VT7 company Connecing, the second electric capacity C2 and the 9th resistance R9 are in parallel, and the base stage of the 7th audion VT7 passes through the tenth resistance R10 ground connection, the 7th The colelctor electrode of audion VT7 is connected by the 11st resistance R11 and+VCC, and the colelctor electrode of the 7th audion VT7 passes through the 3rd The base stage of electric capacity C3, second diode D2, the 4th electric capacity C4 and the 8th audion VT8 connects, second diode D2's Negative pole is connected by the 12nd resistance R12 and+VCC, and the positive pole of second diode D2 is by the 13rd resistance R13 and+VCC even Connect, the 8th audion VT8 emitter stage and the 9th audion VT9 emitter stage connect, the base of the 9th audion VT9 Pole is connected by the 14th resistance R14 and+VCC, the base stage of the 9th audion VT9 by the 15th resistance R15 ground connection, the 9th The emitter stage of individual audion VT9 passes through the 16th resistance R16 ground connection, and the base stage of the 8th audion VT8 passes through the 17th resistance R17 and+VCC is connected, and the base collector of the 8th audion VT8 is connected by the 18th resistance R18 and+VCC, the 8th three The colelctor electrode of pole pipe VT8 is connected by the base stage of the 19th resistance R19, the first stabilivolt VD1 and the tenth audion VT10, the The base stage of ten audion VT10 pass through the 20th resistance R20 ground connection, the grounded emitter of the tenth audion VT10, the tenth The colelctor electrode of individual audion VT10 is connected with+VCC by the second relay J 2, has the 3rd diode D3 and the second relay K 2 Parallel connection, the normally opened contact K2-1 of the second relay K 2 is connected with power supply after connecting with wireless communication module, alarm and nothing Line communication module is in parallel.Second relay K 2 is auxiliary reclay.
The beneficial effect of this programme can be learnt according to the narration of such scheme, owing to there being induction apparatus in this scenario, and can To record the charged situation of circuit timely, and induction apparatus is two, and when circuit is not charged, controller controls on-off circuit and breaks Open the second induction apparatus, so can save electric energy;When circuit is charged, then controller controls the second induction apparatus connection, so exists In the case of circuit is charged, there are two induction apparatuss to work, it is ensured that the accuracy of sensing simultaneously;Controller with in storage line electricity The memory module of stream or change in voltage information connects, and such memory module just can be gone forward side by side with the curtage situation of record circuit Row storage, it is simple to call and check, make staff more can accurately understand the electric power thus supplied of circuit;Controller also with interface module Connect, be so easy to staff and safeguard, it is also possible to read the data of memory module;Display screen is for the corresponding electricity of reality Stream or information of voltage;There is solar panel, power to whole device, if solar panel does not has electricity, the most permissible Switch to mains-supplied;When circuit has electricity, controller obtains the information that induction apparatus records, and is then reported by alarm Alert, and control wireless communication module energising, superior platform or the sending short message by mobile phone of setting, carry out remote alarms;Sometimes Clock module, can to controller provide the time, such controller can according to the curtage information of time record circuit, Ensure that the accurate of record.As can be seen here, the present invention compared with prior art, has prominent substantive distinguishing features and significantly enters Step, its beneficial effect implemented also is apparent from.
Accompanying drawing explanation
Fig. 1 is the electrical principle block diagram of the specific embodiment of the invention.
Fig. 2 is the circuit diagram of ON-OFF control circuit.
Fig. 3 is the circuit diagram of alarm control circuit.
Detailed description of the invention
For the technical characterstic of this programme can be clearly described, below by a detailed description of the invention, and combine its accompanying drawing, right This programme is illustrated.
By accompanying drawing it can be seen that a kind of high-tension line electrified display interlock apparatus of this programme, including for the line of induction The induction apparatus that road is the most charged, described induction apparatus is connected with controller, and described controller passes through alarm control circuit and report Alert device and wireless communication module connect, and described controller is also connected with the memory module changed for storing line current, has Interface module is connected with described controller, it addition, controller is connected with solar panel and display the most respectively.Described Wireless communication module is 3G or 4G wireless communication module.Described interface module is RS485 Yu RS23 interface.Described controller It is connected with clock module.
Described induction apparatus is two, and the first induction apparatus is connected with controller, and the second induction apparatus passes through ON-OFF control circuit It is connected with controller.Described ON-OFF control circuit includes first audion VT1, and the base stage of first audion VT1 is passed through First resistance R1 is connected with controller, and the colelctor electrode of the colelctor electrode of first audion VT1 and second audion VT2 connects, The base stage of the emitter stage of first audion VT1 and second audion VT2 connects, and the base stage of first audion VT1 is passed through First electric capacity C1 and second audion VT2 colelctor electrode connect, the grounded emitter of second audion VT2, second The colelctor electrode of audion VT2 is connected by second resistor R2 and+VCC, and the colelctor electrode of second audion VT2 passes through the 3rd The base stage of resistance R3 and the 3rd audion VT3 connects, and the emitter stage of the 3rd audion VT3 is connected with+VCC, the 3rd three The colelctor electrode of pole pipe VT3 passes through first relay K 1 ground connection, has first diode D1 with the first described relay K 1 also Connection, the normally opened contact K1-1 of the first relay K 1 is connected between the second induction apparatus and controller, has the 4th resistance with described First relay K 1 is in parallel, has a display lamp LED to connect with the 4th described resistance R4.
Described alarm control circuit includes the 4th audion VT4, and the base stage of the 4th audion VT4 is with controller even Connecing, the colelctor electrode of the 4th audion VT4 is connected by the 5th resistance R5 and+VCC, the emitter stage of the 4th audion VT4 and The base stage of the 5th audion VT5 connects, and the colelctor electrode of the colelctor electrode of the 4th audion VT4 and the 5th audion VT5 is even Connecing, the emitter stage of the 5th audion VT5 and ground connection, the colelctor electrode of the 5th audion VT5 passes through the 6th resistance R6 and the 6th The base stage of individual audion VT6 connects, and the colelctor electrode of the 6th audion VT6 is connected by the 7th resistance R7 and+VCC, the 6th The emitter stage of audion VT6 passes through the 8th resistance R8 ground connection, the emitter stage of the 6th audion VT6 and the 7th audion VT7 Emitter stage connect, the colelctor electrode of the 6th audion VT6 is by the base stage of the 9th resistance R9 and the 7th audion VT7 company Connecing, the second electric capacity C2 and the 9th resistance R9 are in parallel, and the base stage of the 7th audion VT7 passes through the tenth resistance R10 ground connection, the 7th The colelctor electrode of audion VT7 is connected by the 11st resistance R11 and+VCC, and the colelctor electrode of the 7th audion VT7 passes through the 3rd The base stage of electric capacity C3, second diode D2, the 4th electric capacity C4 and the 8th audion VT8 connects, second diode D2's Negative pole is connected by the 12nd resistance R12 and+VCC, and the positive pole of second diode D2 is by the 13rd resistance R13 and+VCC even Connect, the 8th audion VT8 emitter stage and the 9th audion VT9 emitter stage connect, the base of the 9th audion VT9 Pole is connected by the 14th resistance R14 and+VCC, the base stage of the 9th audion VT9 by the 15th resistance R15 ground connection, the 9th The emitter stage of individual audion VT9 passes through the 16th resistance R16 ground connection, and the base stage of the 8th audion VT8 passes through the 17th resistance R17 and+VCC is connected, and the base collector of the 8th audion VT8 is connected by the 18th resistance R18 and+VCC, the 8th three The colelctor electrode of pole pipe VT8 is connected by the base stage of the 19th resistance R19, the first stabilivolt VD1 and the tenth audion VT10, the The base stage of ten audion VT10 pass through the 20th resistance R20 ground connection, the grounded emitter of the tenth audion VT10, the tenth The colelctor electrode of individual audion VT10 is connected with+VCC by the second relay J 2, has the 3rd diode D3 and the second relay K 2 Parallel connection, the normally opened contact K2-1 of the second relay K 2 is connected with power supply after connecting with wireless communication module, alarm and nothing Line communication module is in parallel.Second relay K 2 is auxiliary reclay.
The present invention is not limited in above-mentioned detailed description of the invention, and those of ordinary skill in the art are in the essential scope of the present invention The change inside made, retrofit, add or replace, also should belong to protection scope of the present invention.

Claims (8)

1. a high-tension line electrified display interlock apparatus, including the induction apparatus the most charged for induction line, is characterized in that: Described induction apparatus is connected with controller, and described controller is connected with alarm and wireless communication module by alarm control circuit Connecing, described controller is also connected with the memory module for storing line current or change in voltage information, have interface module and Described controller connects, it addition, controller is connected with solar panel and display the most respectively.
High-tension line electrified display interlock apparatus the most according to claim 1, is characterized in that: described induction apparatus is two Individual, the first induction apparatus is connected with controller, and the second induction apparatus is connected with controller by ON-OFF control circuit.
3. according to the high-tension line electrified display interlock apparatus described in claim, it is characterized in that: described ON-OFF control circuit Including first audion VT1, the base stage of first audion VT1 is connected with controller by the first resistance R1, first three The colelctor electrode of pole pipe VT1 and the colelctor electrode of second audion VT2 connect, the emitter stage of first audion VT1 and second The base stage of audion VT2 connects, the base stage of first audion VT1 by the first electric capacity C1 and second audion VT2 Colelctor electrode connects, and the grounded emitter of second audion VT2, the colelctor electrode of second audion VT2 passes through second resistor R2 and+VCC is connected, and the colelctor electrode of second audion VT2 is by the base stage of the 3rd resistance R3 and the 3rd audion VT3 even Connecing, the emitter stage of the 3rd audion VT3 is connected with+VCC, and the colelctor electrode of the 3rd audion VT3 passes through first relay K1 ground connection, has first diode D1 in parallel with the first described relay K 1, the normally opened contact K1-1 string of the first relay K 1 Be associated between the second induction apparatus and controller, have the 4th resistance in parallel with the first described relay K 1, have a display lamp LED with The 4th described resistance R4 series connection.
High-tension line electrified display interlock apparatus the most according to claim 1, is characterized in that: described alarm control circuit Including the 4th audion VT4, the base stage of the 4th audion VT4 is connected with controller, the colelctor electrode of the 4th audion VT4 Being connected by the 5th resistance R5 and+VCC, the base stage of the emitter stage of the 4th audion VT4 and the 5th audion VT5 connects, The colelctor electrode of the colelctor electrode of the 4th audion VT4 and the 5th audion VT5 connects, the emitter stage of the 5th audion VT5 With ground connection, the colelctor electrode of the 5th audion VT5 is connected by the base stage of the 6th resistance R6 and the 6th audion VT6, and the 6th The colelctor electrode of individual audion VT6 is connected by the 7th resistance R7 and+VCC, and the emitter stage of the 6th audion VT6 is by the 8th electricity Resistance R8 ground connection, the emitter stage of the emitter stage of the 6th audion VT6 and the 7th audion VT7 connects, the 6th audion VT6 Colelctor electrode connected by the base stage of the 9th resistance R9 and the 7th audion VT7, the second electric capacity C2 and the 9th resistance R9 parallel connection, The base stage of the 7th audion VT7 passes through the tenth resistance R10 ground connection, and the colelctor electrode of the 7th audion VT7 is by the 11st electricity Resistance R11 and+VCC is connected, and the colelctor electrode of the 7th audion VT7 passes through the 3rd electric capacity C3, second diode D2, the 4th electric capacity The base stage of C4 and the 8th audion VT8 connects, and the negative pole of second diode D2 is by the 12nd resistance R12 and+VCC even Connecing, the positive pole of second diode D2 is connected by the 13rd resistance R13 and+VCC, the 8th audion VT8 emitter stage Being connected with the emitter stage of the 9th audion VT9, the base stage of the 9th audion VT9 is by the 14th resistance R14 and+VCC even Connecing, the base stage of the 9th audion VT9 passes through the 15th resistance R15 ground connection, and the emitter stage of the 9th audion VT9 passes through the tenth Six resistance R16 ground connection, the base stage of the 8th audion VT8 is connected by the 17th resistance R17 and+VCC, the 8th audion The base collector of VT8 is connected by the 18th resistance R18 and+VCC, and the colelctor electrode of the 8th audion VT8 passes through the 19th The base stage of resistance R19, the first stabilivolt VD1 and the tenth audion VT10 connects, and the base stage of the tenth audion VT10 is passed through 20th resistance R20 ground connection, the grounded emitter of the tenth audion VT10, the colelctor electrode of the tenth audion VT10 passes through Second relay J 2 is connected with+VCC, has the 3rd diode D3 and the second relay K 2 in parallel, the second relay K 2 normally opened Contact K2-1 is connected with power supply after connecting with wireless communication module, and alarm is in parallel with wireless communication module.
High-tension line electrified display interlock apparatus the most according to claim 4, is characterized in that: the second relay K 2 is centre Relay.
High-tension line electrified display interlock apparatus the most according to claim 1, is characterized in that: described wireless communication module For 3G or 4G wireless communication module.
High-tension line electrified display interlock apparatus the most according to claim 1, is characterized in that: described interface module is RS485 Yu RS23 interface.
High-tension line electrified display interlock apparatus the most according to claim 1, is characterized in that: described controller and clock Module connects.
CN201610689984.8A 2016-08-19 2016-08-19 High-voltage line live display blocking device Pending CN106053925A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610689984.8A CN106053925A (en) 2016-08-19 2016-08-19 High-voltage line live display blocking device

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Application Number Priority Date Filing Date Title
CN201610689984.8A CN106053925A (en) 2016-08-19 2016-08-19 High-voltage line live display blocking device

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CN106053925A true CN106053925A (en) 2016-10-26

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107525959A (en) * 2017-08-23 2017-12-29 海南电网有限责任公司琼海供电局 Electrification detection system
CN110672909A (en) * 2019-10-31 2020-01-10 国家电网有限公司 OPGW (optical fiber composite overhead ground wire) line live indication power-off prompting system based on induction power taking

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201355374Y (en) * 2009-02-27 2009-12-02 常州市盈能电气有限公司 Wireless high-pressure live display locking device
CN202600030U (en) * 2012-04-12 2012-12-12 苏州苏海亚电气有限公司 High-voltage live displaying and blocking device
CN103269126A (en) * 2013-05-10 2013-08-28 杭州电子科技大学 Intelligent low-voltage molded case circuit breaker controller based on Ethernet communication
CN104319896A (en) * 2014-11-06 2015-01-28 国家电网公司 High-voltage electrified display locking method, device and system
CN204142814U (en) * 2014-08-01 2015-02-04 江苏省电力公司南京供电公司 A kind of high-voltage charge display device
CN204989298U (en) * 2015-08-25 2016-01-20 珠海优特电力科技股份有限公司 High voltage live display device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201355374Y (en) * 2009-02-27 2009-12-02 常州市盈能电气有限公司 Wireless high-pressure live display locking device
CN202600030U (en) * 2012-04-12 2012-12-12 苏州苏海亚电气有限公司 High-voltage live displaying and blocking device
CN103269126A (en) * 2013-05-10 2013-08-28 杭州电子科技大学 Intelligent low-voltage molded case circuit breaker controller based on Ethernet communication
CN204142814U (en) * 2014-08-01 2015-02-04 江苏省电力公司南京供电公司 A kind of high-voltage charge display device
CN104319896A (en) * 2014-11-06 2015-01-28 国家电网公司 High-voltage electrified display locking method, device and system
CN204989298U (en) * 2015-08-25 2016-01-20 珠海优特电力科技股份有限公司 High voltage live display device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
阎石: "《数字电子技术基础》", 30 April 2016, 高等教育出版社 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107525959A (en) * 2017-08-23 2017-12-29 海南电网有限责任公司琼海供电局 Electrification detection system
CN110672909A (en) * 2019-10-31 2020-01-10 国家电网有限公司 OPGW (optical fiber composite overhead ground wire) line live indication power-off prompting system based on induction power taking
CN110672909B (en) * 2019-10-31 2022-04-12 国家电网有限公司 OPGW (optical fiber composite overhead ground wire) line live indication power-off prompting system based on induction power taking

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