CN111999604B - Railway traction power supply detection method - Google Patents

Railway traction power supply detection method Download PDF

Info

Publication number
CN111999604B
CN111999604B CN202010951591.6A CN202010951591A CN111999604B CN 111999604 B CN111999604 B CN 111999604B CN 202010951591 A CN202010951591 A CN 202010951591A CN 111999604 B CN111999604 B CN 111999604B
Authority
CN
China
Prior art keywords
wall
gear
rotating groove
power supply
fixedly welded
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.)
Active
Application number
CN202010951591.6A
Other languages
Chinese (zh)
Other versions
CN111999604A (en
Inventor
张桂林
裴慧霞
刘光辉
索娜
冯燕
王云飞
张凯
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.)
Zhengzhou Railway Vocational and Technical College
Original Assignee
Zhengzhou Railway Vocational and Technical College
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 Zhengzhou Railway Vocational and Technical College filed Critical Zhengzhou Railway Vocational and Technical College
Priority to CN202010951591.6A priority Critical patent/CN111999604B/en
Publication of CN111999604A publication Critical patent/CN111999604A/en
Application granted granted Critical
Publication of CN111999604B publication Critical patent/CN111999604B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08Locating faults in cables, transmission lines, or networks
    • G01R31/081Locating faults in cables, transmission lines, or networks according to type of conductors
    • G01R31/086Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00Supporting structures for PV modules
    • H02S20/30Supporting structures being movable or adjustable, e.g. for angle adjustment
    • H02S20/32Supporting structures being movable or adjustable, e.g. for angle adjustment specially adapted for solar tracking
    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The invention discloses a detection method for railway traction power supply, which comprises the following steps: firstly, paving an inductor; step two, power supply monitoring; step three, fault information transmission; step four, fault diagnosis; step five, repairing faults; step six, periodic maintenance; in the first step, since the railway traction power supply involves a plurality of devices, such as a traction substation, a GIS electrical appliance, a GIS cabinet, a traction transformer, a high-voltage capacitor and a lightning arrester, if the devices have faults, the railway traction power supply can cause problems, and therefore, inductors are required to be paved around the devices; the sensor is arranged at each railway position, so that the fault location and fault condition can be known conveniently at the first time, equipment maintenance is facilitated, the railway transportation is recovered to be normal, the sensor is powered by solar energy, and a circuit is not required to be kept with a traction power supply system, so that the sensor is ensured to work continuously, and the detection effect is improved.

Description

Railway traction power supply detection method
Technical Field
The invention relates to the technical field of railway equipment, in particular to a detection method for railway traction power supply.
Background
5 months 1879, germany siemens and Ha Ersi built the first electrified railway in the world; over 100 years, with the development of the motor and electric appliance manufacturing industry, the electronic industry and the electric industry, the electrified railway transportation is widely valued in all countries of the world with huge economic benefits, so that the electrified railway transportation is rapidly developed, and traction power supply refers to a power supply mode of electric energy required for dragging a vehicle to transport; the traction power supply system is a whole power supply system which is used for leading 220 (110) KV power supply into a railway from a place and is used for reducing the voltage to 27.5KV through a traction substation and sending the power supply to an electric locomotive, but the existing railway traction power supply is large in span due to a large number of equipment, once a problem occurs, the problem is not easy to detect, the problem occurs in railway transportation, and the detection efficiency is improved.
Disclosure of Invention
The invention aims to provide a detection method for railway traction power supply, which aims to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the method for detecting the railway traction power supply comprises the following steps: firstly, paving an inductor; step two, power supply monitoring; step three, fault information transmission; step four, fault diagnosis; step five, repairing faults; step six, periodic maintenance;
in the first step, since the railway traction power supply involves a plurality of devices, such as a traction substation, a GIS electrical appliance, a GIS cabinet, a traction transformer, a high-voltage capacitor and a lightning arrester, if the devices have faults, the railway traction power supply can cause problems, and therefore, inductors are required to be paved around the devices;
in the second step, twenty-four hours of monitoring is carried out on traction power supply equipment through an inductor;
in the third step, when traction power supply fails, a fixed place is detected through an inductor, then the failure place is transmitted to a power data communication network through a field bus, and finally the power data communication network is transmitted to an operation and maintenance management place;
in the fourth step, the name of the equipment with fault is known, then the possible problems are searched through a data server in operation and maintenance management, and then comprehensive diagnosis is carried out on the equipment according to environmental factors;
in the fifth step, the diagnosis information is notified to the power maintenance worker, so that the power maintenance worker prepares a repair tool to go to the fault place, and then repairs the fault place;
in the sixth step, after the repair is completed, the repair needs to be periodically maintained for a plurality of times, so that the problem is avoided again.
Preferably, in the first step, the inductor comprises a power detector, an adjusting component, a solar panel and a connecting component, wherein the solar panel is installed on the outer wall of the top end of the power detector, and the adjusting component is fixed on the outer wall between the solar panel and the power detector;
the adjusting component comprises a first rotating groove, a motor, a first gear, a supporting plate, a first limiting ball, a second rotating groove, a rotating rod, a second gear, a connecting plate, a second limiting ball, a first limiting groove, a second limiting groove, a third rotating groove, a connecting rod, a connecting block and a fourth rotating groove, wherein the first rotating groove is formed in the inner wall of the top end of the electric power detector, the motor is embedded and installed on one side inner wall of the first rotating groove, the first gear is installed on one side inner wall of the first rotating groove, one end of an output shaft of the motor is fixedly connected to the inside of the first gear, the supporting plate is rotationally connected to the outer wall of one side of the first gear, the first limiting ball is fixedly welded to the outer wall of the top end of the supporting plate, the second limiting groove is formed in the outer wall of the bottom end of the solar panel, the second rotating groove is formed in the inner wall of one side of the first rotating groove, the rotating rod is rotationally connected to the inner wall of one side of the second rotating groove, the second gear is fixedly welded to the second gear is fixedly connected to the outer wall of one side of the rotating rod, the first connecting plate is symmetrically welded to the outer wall of the first connecting plate, the first connecting plate is symmetrically arranged on the outer wall of one side of the first rotating groove, the connecting plate is fixedly welded to the connecting plate is rotatably connected to the outer wall of the first connecting plate, the first connecting plate is rotatably arranged on one side of the first connecting plate, and the connecting plate is fixedly welded to the first connecting plate, and the first connecting plate is fixedly welded to the top end of the first connecting plate, a connecting component is fixed on the outer wall of one side of the power detector
Preferably, the connecting assembly comprises a sliding groove, a moving plate, a sliding block, a first spring, a storage groove, a second spring and a clamping plate, wherein the moving plate is symmetrically arranged on one side outer wall of the electric power detector, the sliding block is fixedly welded on one side outer wall of the moving plate, the sliding groove is formed in one side outer wall of the electric power detector, the sliding groove is formed in the corresponding sliding block, the first spring is fixedly welded on the outer wall between the sliding blocks, the storage groove is formed in one side inner wall of the moving plate, the clamping plate is slidingly connected on one side inner wall of the storage groove, the second spring is fixedly welded on one side outer wall of the clamping plate, the other end of the second spring is welded on the inner wall of the storage groove in a preferable mode, and connecting holes are formed in distribution on one side outer wall of the clamping plate.
Preferably, the motor is a stepper motor
Preferably, the first gear and the second gear are bevel gears.
Preferably, the shape of the clamping plate is L-shaped.
Compared with the prior art, the invention has the following beneficial effects: according to the railway traction power supply detection method, the inductor is arranged at each railway position, so that the fault location and fault condition can be known conveniently at the first time, maintenance equipment is convenient, railway transportation is recovered to be normal, the inductor is powered by solar energy, a circuit is not required to be kept with a traction power supply system, the inductor is ensured to work continuously, and the detection effect is improved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a schematic overall perspective view of the present invention;
FIG. 3 is a schematic view of the present invention in front elevation cut-away;
FIG. 4 is a schematic side cross-sectional view of the connection assembly of the present invention;
in the figure: 1. a power detector; 2. an adjustment assembly; 3. a solar panel; 4. a connection assembly; 5. a connection hole; 21. a first rotating groove; 22. a motor; 23. a first gear; 24. a support plate; 25. a first limit ball; 26. a second rotating groove; 27. a rotating lever; 28. a second gear; 29. a connecting plate; 210. the second limiting ball; 211. a first limit groove; 212. the second limit groove; 213. a third rotating groove; 214. a connecting rod; 215. a connecting block; 216. a fourth rotating groove; 41. a chute; 42. a moving plate; 43. a slide block; 44. a first spring; 45. a storage groove; 46. a second spring; 47. and a clamping plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, the present invention provides a technical solution: the method for detecting the railway traction power supply comprises the following steps: firstly, paving an inductor; step two, power supply monitoring; step three, fault information transmission; step four, fault diagnosis; step five, repairing faults; step six, periodic maintenance;
in the first step, since the railway traction power supply involves a plurality of devices, such as a traction substation, a GIS electrical appliance, a GIS cabinet, a traction transformer, a high-voltage capacitor and a lightning arrester, if the devices fail, the railway traction power supply will cause problems, and therefore, an inductor needs to be laid around the devices, in the first step, the inductor comprises a power detector 1, an adjusting component 2, a solar panel 3 and a connecting component 4, the solar panel 3 is installed on the outer wall of the top end of the power detector 1, and the adjusting component 2 is fixed on the outer wall between the solar panel 3 and the power detector 1; the adjusting component 2 comprises a first rotating groove 21, a motor 22, a first gear 23, a supporting plate 24, a first limiting ball 25, a second rotating groove 26, a rotating rod 27, a second gear 28, a connecting plate 29, a second limiting ball 210, a first limiting groove 211, a second limiting groove 212, a third rotating groove 213, a connecting rod 214, a connecting block 215 and a fourth rotating groove 216, wherein the first rotating groove 21 is formed in the inner wall of the top end of the electric power detector 1, the motor 22 is embedded and installed on the inner wall of one side of the first rotating groove 21, the first gear 23 is installed on the inner wall of one side of the first rotating groove 21, one end of an output shaft of the motor 22 is fixedly connected to the inside of the first gear 23, the supporting plate 24 is rotatably connected to one side outer wall of the first gear 23, the first limiting ball 25 is fixedly welded on the outer wall of the top end of the supporting plate 24, the second limiting groove 212 is formed in the outer wall of the bottom end of the solar panel 3, the second limiting groove 26 is formed in the inner wall of one side of the electric power detector 1, the rotating rod 27 is rotatably connected to the inner wall of one side of the second rotating groove 26, the connecting rod 27 is rotatably connected to the outer wall of the first connecting plate 28, the connecting rod 27 is rotatably connected to the outer wall of the first connecting plate 28 is rotatably connected to the outer wall of the first connecting plate 27, the connecting rod 28 is rotatably connected to the outer wall of the connecting plate 28 is rotatably connected to the outer wall of the first connecting plate 27, the connecting plate is rotatably connected to the connecting plate 28 is rotatably connected to the connecting plate 27, and the connecting rod is rotatably connected to the connecting plate is rotatably on the connecting plate, the connecting plate is connected to the connecting plate 21, the connecting plate is on the connecting plate 21, and the connecting plate is on the side, and the second limiting groove 21 is on the side, and the second connecting plate 21 is on the side, and the second limiting groove 21 is. A connecting component 4 is fixed on the outer wall of one side of the power detector 1; the connecting assembly 4 comprises a sliding groove 41, a moving plate 42, sliding blocks 43, a first spring 44, a containing groove 45, a second spring 46 and a clamping plate 47, wherein the moving plate 42 is symmetrically arranged on the outer wall of one side of the electric power detector 1, the sliding blocks 43 are fixedly welded on the outer wall of one side of the moving plate 42, the sliding groove 41 is formed in the outer wall of one side of the electric power detector 1 corresponding to the sliding blocks 43, the first spring 44 is fixedly welded on the outer wall between the sliding blocks 43, the containing groove 45 is formed in the inner wall of one side of the moving plate 42, the clamping plate 47 is slidably connected on the inner wall of one side of the containing groove 45, the second spring 46 is fixedly welded on the outer wall of one side of the clamping plate 47, and the other end of the second spring 46 is welded on the inner wall of the containing groove 45, so that the length and the width of the clamping plate 47 can be adjusted, and the electric power detector can be conveniently installed at different positions; the outer wall of one side of the clamping plate 47 is provided with connecting holes 5 which are connected with screws, and the connecting effect is improved; the motor 22 is a stepping motor, so that the rotating speed of the first gear 23 is conveniently controlled, the angle of the solar panel 3 can be adjusted, and the solar panel 3 can conveniently rotate along with the movement of the sun; the first gear 23 and the second gear 28 are bevel gears, so that the rotating rod 27 can be conveniently rotated; the clamping plate 47 is L-shaped, so that the clamping plate is convenient to clamp beside power supply equipment; the inductor firstly pulls the moving plate 42 to enable the sliding block 43 to move along the sliding groove 41, and enables the first spring 44 to be in a stretched state, then pulls the clamping plate 47 out of the containing groove 45, enables the second spring 46 to be in a stretched state, enables the clamping plate 47 to be clamped and fixed on the support, at the moment, loosens the clamping plate 47 and the moving plate 42, enables the clamping plate 47 to be fixed on the support under the action of the first spring 44 and the second spring 46, and then enables the clamping plate 47 to be thoroughly fixed through cooperation of screws and the connecting hole 5; then, the electric power detector 1 is started to detect equipment, then, the motor 22 is started to enable the first gear 23 to rotate, the first gear 23 rotates through the supporting plate 24 to lift up and down, the solar panel 3 rotates up and down under the action of the first limiting ball 25 and the second limiting groove 212, at the moment, the connecting block 215 on the solar panel 3 rotates through the fourth rotating groove 216, the connecting rod 214 rotates, then, the connecting rod 29 is fixed with the rotating rod 27 through the third rotating groove 213 on the connecting plate 29 in a triangular structure, then, the rotating rod 27 rotates through the second gear 28, and the solar panel 3 is adjusted left and right under the action of the second limiting ball 210 and the first limiting groove 211, so that the solar panel 3 conveniently rotates along with the movement of the sun, and the light energy conversion efficiency is improved;
in the second step, twenty-four hours of monitoring is carried out on traction power supply equipment through an inductor;
in the third step, when traction power supply fails, a fixed place is detected through an inductor, then the failure place is transmitted to a power data communication network through a field bus, and finally the power data communication network is transmitted to an operation and maintenance management place;
in the fourth step, the name of the equipment with fault is known, then the possible problems are searched through a data server in operation and maintenance management, and then comprehensive diagnosis is carried out on the equipment according to environmental factors;
in the fifth step, the diagnosis information is notified to the power maintenance worker, so that the power maintenance worker prepares a repair tool to go to the fault place, and then repairs the fault place;
in the sixth step, after the repair is completed, the repair needs to be periodically maintained for a plurality of times, so that the problem is avoided again.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (1)

1. An inductor for railway traction power supply detection, characterized in that: the solar energy power generation device comprises a power detector (1), an adjusting component (2), a solar panel (3) and a connecting component (4), wherein the solar panel (3) is installed on the outer wall of the top end of the power detector (1), and the adjusting component (2) is fixed on the outer wall between the solar panel (3) and the power detector (1);
the regulating component (2) comprises a first rotating groove (21), a motor (22), a first gear (23), a supporting plate (24), a first limiting ball (25), a second rotating groove (26), a rotating rod (27), a second gear (28), a connecting plate (29), a second limiting ball (210), a first limiting groove (211), a second limiting groove (212), a third rotating groove (213), a connecting rod (214), a connecting block (215) and a fourth rotating groove (216), wherein the inner wall of the top end of the electric power detector (1) is provided with the first rotating groove (21), one side inner wall of the first rotating groove (21) is embedded with the motor (22), one end of an output shaft of the motor (22) is fixedly connected to the inner part of the first gear (23), one side outer wall of the first gear (23) is rotationally connected with the supporting plate (24), the outer wall of the top end of the supporting plate (24) is fixedly welded with the first limiting ball (25), the outer wall of the bottom end of the solar panel (3) is correspondingly provided with the first limiting ball (21) and the first rotating groove (21) is arranged on one side of the inner wall of the first rotating groove (21), a rotating rod (27) is rotationally connected to one side inner wall of the second rotating groove (26), a second gear (28) is fixedly welded to one side outer wall of the rotating rod (27), one side of the second gear (28) is connected to the outer wall of the first gear (23) in a meshed mode, a second limiting ball (210) is fixedly welded to the top end outer wall of the rotating rod (27), a first limiting groove (211) is formed in the bottom end outer wall of the solar panel (3) corresponding to the second limiting ball (210), a connecting plate (29) is fixedly welded to one side outer wall of the rotating rod (27), a third rotating groove (213) is symmetrically formed in one side outer wall of the connecting plate (29), a connecting rod (214) is rotationally connected to one side inner wall of the third rotating groove (213), a connecting block (215) is symmetrically fixedly welded to the bottom end outer wall of the solar panel (3), a fourth rotating groove (216) is formed in one side outer wall of the connecting rod (214) corresponding to the connecting block (215), and a connecting component (4) is fixedly arranged on one side outer wall of the electric power detector (1).
The connecting assembly (4) comprises sliding grooves (41), moving plates (42), sliding blocks (43), first springs (44), storage grooves (45), second springs (46) and clamping plates (47), wherein the moving plates (42) are symmetrically arranged on one side outer wall of the electric power detector (1), the sliding blocks (43) are fixedly welded on one side outer wall of the moving plates (42), the sliding grooves (41) are formed in one side outer wall of the electric power detector (1) corresponding to the sliding blocks (43), the first springs (44) are fixedly welded on the outer walls between the sliding blocks (43), the storage grooves (45) are formed in one side inner wall of the moving plates (42), the clamping plates (47) are connected on one side inner wall of the storage grooves (45) in a sliding mode, the second springs (46) are fixedly welded on one side outer wall of the clamping plates (47), and the other ends of the second springs (46) are fixedly welded on the inner walls of the storage grooves (45).
Connecting holes (5) are distributed on the outer wall of one side of the clamping plate (47);
the motor (22) is a stepping motor;
the first gear (23) and the second gear (28) are bevel gears;
the clamping plate (47) is L-shaped.
CN202010951591.6A 2020-09-11 2020-09-11 Railway traction power supply detection method Active CN111999604B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010951591.6A CN111999604B (en) 2020-09-11 2020-09-11 Railway traction power supply detection method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010951591.6A CN111999604B (en) 2020-09-11 2020-09-11 Railway traction power supply detection method

Publications (2)

Publication Number Publication Date
CN111999604A CN111999604A (en) 2020-11-27
CN111999604B true CN111999604B (en) 2023-06-02

Family

ID=73469207

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010951591.6A Active CN111999604B (en) 2020-09-11 2020-09-11 Railway traction power supply detection method

Country Status (1)

Country Link
CN (1) CN111999604B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015192645A1 (en) * 2014-06-17 2015-12-23 西南交通大学 Electric railway coaxial cable power supply system
CN106289572A (en) * 2016-11-03 2017-01-04 南京派光信息技术有限公司 Power supply trailing cable overheating based on distributed optical fiber temperature measuring monitoring method and system
CN106896296A (en) * 2017-04-18 2017-06-27 河北中车科技发展有限公司 High-speed railway traction power supply signal monitoring system and method
CN110133501A (en) * 2019-05-15 2019-08-16 湘潭大学 A kind of electric locomotive write pole permanent magnet synchronous traction system based on expert system guidance
CN110954715A (en) * 2019-11-26 2020-04-03 郑州铁路职业技术学院 Electric automatization power supply system detection device
CN111398303A (en) * 2020-03-24 2020-07-10 郑州铁路职业技术学院 Railway power supply insulator contamination online detection system
CN111594796A (en) * 2020-06-15 2020-08-28 河南城建学院 Environment-friendly intelligent street lamp control method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015192645A1 (en) * 2014-06-17 2015-12-23 西南交通大学 Electric railway coaxial cable power supply system
CN106289572A (en) * 2016-11-03 2017-01-04 南京派光信息技术有限公司 Power supply trailing cable overheating based on distributed optical fiber temperature measuring monitoring method and system
CN106896296A (en) * 2017-04-18 2017-06-27 河北中车科技发展有限公司 High-speed railway traction power supply signal monitoring system and method
CN110133501A (en) * 2019-05-15 2019-08-16 湘潭大学 A kind of electric locomotive write pole permanent magnet synchronous traction system based on expert system guidance
CN110954715A (en) * 2019-11-26 2020-04-03 郑州铁路职业技术学院 Electric automatization power supply system detection device
CN111398303A (en) * 2020-03-24 2020-07-10 郑州铁路职业技术学院 Railway power supply insulator contamination online detection system
CN111594796A (en) * 2020-06-15 2020-08-28 河南城建学院 Environment-friendly intelligent street lamp control method

Also Published As

Publication number Publication date
CN111999604A (en) 2020-11-27

Similar Documents

Publication Publication Date Title
CN202748139U (en) Automatic inspecting and temperature-measuring device for transformer substation
CN102621457B (en) On-line detection method of metal oxide arrester insulating property influencing factor
CN104143834B (en) A kind of photovoltaic plant low-voltage ride through detection system of high altitude localities
CN114241730B (en) Substation equipment monitoring and early warning system based on data acquisition
CN108768296A (en) A kind of photovoltaic module monitoring method
CN111999604B (en) Railway traction power supply detection method
WO2023005201A1 (en) Distributed electrical monitoring management system for intelligent power plant
CN103412190B (en) Switch-class device state evaluation method based on parameter on-line identification
CN106124089B (en) High-tension switch cabinet temperature measurement on-line method based on gray theory
CN205846539U (en) A kind of central cabinet grounding window apparatus for examination and repair
CN104502741A (en) Remote and online monitoring system for static var generator
CN103675523A (en) Large-scale photovoltaic power station low voltage ride through detection system suitable for high altitude regions
CN203278257U (en) High-voltage direct-current power supply device with rapid polarity reversal
CN210326867U (en) Cable junction box for low-voltage generator test
CN114725827A (en) 10kV line live-line breaker live-line voltage transformer disconnection and connection operation method
Hart Continuous asset monitoring on the smart grid
CN202871160U (en) Microcomputer monitoring test system of electrical power system
Joseph et al. Concept of automation in management of electric power systems
CN207757079U (en) A kind of high-voltage hot-line work laser wire stripper
CN110798364A (en) Automatic setting method for heliostat communication address
CN112284722A (en) Device and method for monitoring abnormity of transmission gear of on-load tap-changer
CN113295205B (en) Equipment for monitoring environment of electric power switching station
CN219041106U (en) High tension switchgear convenient to maintenance
Vilas et al. Smart meter modelling and fault location communication in smart grid
CN113970047B (en) Regional substation intelligent monitoring environment system and equipment

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant