CN111220868A - Intelligent monitoring system for extra-high voltage power transmission and transformation equipment - Google Patents
Intelligent monitoring system for extra-high voltage power transmission and transformation equipment Download PDFInfo
- Publication number
- CN111220868A CN111220868A CN202010054557.9A CN202010054557A CN111220868A CN 111220868 A CN111220868 A CN 111220868A CN 202010054557 A CN202010054557 A CN 202010054557A CN 111220868 A CN111220868 A CN 111220868A
- Authority
- CN
- China
- Prior art keywords
- transformation equipment
- power transmission
- voltage
- module
- unit
- 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
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
Abstract
The invention relates to the technical field of power transmission and transformation equipment, and discloses an intelligent monitoring system for extra-high voltage power transmission and transformation equipment, which comprises a power supply unit, a controller, a voltage sampling module, a current sampling module, an operation data acquisition unit, a direct current analog quantity acquisition unit and a power transmission and transformation equipment unit, wherein the output end of the power supply unit is coupled with the input end of a filter module, a sampling circuit of the voltage sampling module and a sampling circuit of the current sampling module are connected in parallel in the filter circuit, sampled parameters are transmitted to the input end of the controller, and the output end of the controller is electrically connected with the input end of a converter. This special high voltage power transmission and transformation equipment intelligent monitoring system through setting up voltage sampling module and current sampling module, and two sampling modules gather voltage current parameter in advance, compare with the maximum voltage current parameter of power transmission and transformation equipment unit, and rethread converter regulation voltage current parameter guarantees that power transmission and transformation equipment unit operates under stable power.
Description
Technical Field
The invention relates to the technical field of power transmission and transformation equipment, in particular to an intelligent monitoring system for extra-high voltage power transmission and transformation equipment.
Background
The extra-high voltage transmission and transformation project is a general name of transmission line construction and transformer installation projects. The higher the voltage level of the power transmission and transformation project, the larger the power to be transmitted, and the longer the transmission distance, and the voltage exceeds 33 ten thousand volts, so the power transmission and transformation project is called as ultra-high voltage power transmission and transformation. The highest voltage grades of the ultra-high voltage power transmission and transformation lines which are put into operation in China are +/-1100 kV direct current power transmission lines and 1000kV alternating current power transmission lines, the power transmission and transformation equipment state monitoring system is an important technical means for ensuring normal operation of power transmission and transformation equipment and improving the lean level of professional production operation management of power transmission and transformation, and the monitoring system achieves real-time perception, monitoring early warning, analysis diagnosis and evaluation prediction of the operation states of various power transmission and transformation equipment through various sensor technologies, wide area communication technologies and information processing technologies and has positive and profound significance for improving the intelligent level of a power grid and achieving state operation management of the power transmission and transformation equipment in construction and popularization work.
In the prior art, intelligent monitoring is usually performed only for the operation process at a certain stage, and it cannot be guaranteed that the operation parameters of the whole power transmission and transformation equipment are monitored before and after operation, so that parameter mutation at a certain stage can be ignored, and operation faults and hidden dangers are caused.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an intelligent monitoring system for extra-high voltage power transmission and transformation equipment, which has the advantage of carrying out intelligent monitoring at different stages and solves the problems in the background technology.
(II) technical scheme
In order to achieve the purpose of carrying out intelligent monitoring at different stages, the invention provides the following technical scheme: an intelligent monitoring system for extra-high voltage power transmission and transformation equipment comprises a power supply unit, a controller, a voltage sampling module, a current sampling module, an operation data acquisition unit, a direct current analog quantity acquisition unit and a power transmission and transformation equipment unit, wherein the output end of the power supply unit is coupled with the input end of a filter module;
the power transmission and transformation equipment unit facility is characterized in that an operation data acquisition unit and a direct current analog quantity acquisition unit are arranged inside the power transmission and transformation equipment unit facility, the operation data acquisition unit comprises a temperature acquisition module and an audio acquisition module, the direct current analog quantity acquisition unit comprises a direct current signal conditioning module and a direct current voltage signal conditioning module, the output ends of the operation data acquisition unit and the direct current analog quantity acquisition unit are all electrically connected with a wireless communication unit, the wireless communication unit comprises an RFID read-write module and an RFID electronic tag radio frequency module, and the output end of the wireless communication unit is electrically connected with the input end of the controller.
Preferably, the electric energy in the power supply unit can be acquired from the high-voltage side of the extra-high voltage power transmission and transformation project, and the acquisition mode can be a CT current mutual inductance mode.
Preferably, the filtering module adopts a common filtering circuit in the prior art, and the filtering circuit only allows signal components in a certain frequency range to normally pass through, but prevents the other part of frequency components from passing through, so that the alternating current component in the pulsating direct current voltage is reduced, and the direct current component is retained.
Preferably, the voltage sampling module is a voltage sampling circuit of a professional voltage sampling chip, and the voltage sampling module is a current sampling circuit of a current sensor.
Preferably, the type of controller includes, but is not limited to, the following microcontroller models, such as ARC625D, atmel at91SAM, Microchip PIC18F26K20, and Silicone Labs C8051F320, which may be one of the aforementioned models.
Preferably, the direct current signal conditioning module and the direct voltage signal conditioning module include signal isolation transmitters, isolation barriers and safety barriers, and are configured to receive ± V, ± mA and ± mV signals generated by the power transmission and transformation equipment unit equipment.
Preferably, the wireless communication unit uses an RFID technology to install electronic tags on equipment facilities of the power transmission and transformation equipment set one by one, and transmits data to the controller through a Zigbee communication technology.
(III) advantageous effects
Compared with the prior art, the invention provides an intelligent monitoring system for extra-high voltage power transmission and transformation equipment, which has the following beneficial effects:
1. this special high voltage power transmission and transformation equipment intelligent monitoring system through setting up voltage sampling module and current sampling module, and two sampling modules gather voltage current parameter in advance, compare with the maximum voltage current parameter of power transmission and transformation equipment unit, and rethread converter regulation voltage current parameter guarantees that power transmission and transformation equipment unit operates under stable power.
2. According to the intelligent monitoring system for the extra-high voltage power transmission and transformation equipment, the direct current analog quantity acquisition unit and the operation data acquisition unit are arranged, so that each operation parameter in a power transmission and transformation equipment unit facility is acquired again, and the parameter data is the parameter data after electrical isolation, and therefore the effectiveness of the parameter data is guaranteed.
Drawings
Fig. 1 is a system schematic diagram of an intelligent monitoring system for extra-high voltage power transmission and transformation equipment provided by the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an intelligent monitoring system for extra-high voltage power transmission and transformation equipment comprises a power supply unit, a controller, a voltage sampling module, a current sampling module, an operation data acquisition unit, a direct current analog acquisition unit and a power transmission and transformation equipment unit, wherein an output end of the power supply unit is coupled with an input end of a filter module, a sampling circuit of the voltage sampling module and a sampling circuit of the current sampling module are connected in parallel in the filter circuit, sampled parameters are transmitted to an input end of the controller, the voltage sampling module and the current sampling module are arranged, the two sampling modules acquire voltage and current parameters in advance and compare the voltage and current parameters with maximum voltage and current parameters of the power transmission and transformation equipment unit, the voltage and current parameters are adjusted by a converter to ensure that the power transmission and transformation equipment unit operates under stable power, and an output end of the controller is electrically connected with an input end of the converter, the output end of the filtering module is coupled with the input end of the converter, the converter converts voltage and current into constant voltage and current in the operation process of the power transmission and transformation equipment unit, the converter couples and outputs the regulated voltage and current to the input end of the power adapter, and the output end of the power adapter is coupled to the input port of the power transmission and transformation equipment unit to maintain the working operation of the power transmission and transformation equipment unit;
the power transmission and transformation equipment unit facility is internally provided with an operation data acquisition unit and a direct current analog acquisition unit, the operation data acquisition unit comprises a temperature acquisition module and an audio acquisition module, the temperature acquisition module is a digital temperature sensor DSl8820, the audio acquisition module is an existing common decibel sensor, the direct current analog acquisition unit comprises a direct current signal conditioning module and a direct current voltage signal conditioning module, each operation parameter in the power transmission and transformation equipment unit facility is acquired again by arranging the direct current analog acquisition unit and the operation data acquisition unit, the parameter data is parameter data after electrical isolation, so that the validity of the parameter data is ensured, and the output ends of the operation data acquisition unit and the direct current analog acquisition unit are electrically connected with a wireless communication unit, the wireless communication unit comprises an RFID read-write module and an RFID electronic tag radio frequency module, the output end of the wireless communication unit is electrically connected to the input end of the controller, and the controller analyzes the parameter data and judges whether the power transmission and transformation equipment has operation faults or not.
In this embodiment, the electric energy in the power supply unit may be obtained from a high-voltage side of an extra-high voltage power transmission and transformation project, and the obtaining mode may be a CT current mutual inductance mode, so as to provide operating electric energy for the power transmission and transformation equipment.
In this embodiment, the filter module employs a common filter circuit in the prior art, and the filter circuit only allows signal components within a certain frequency range to normally pass through, but prevents another part of frequency components from passing through, so as to reduce ac components in pulsating dc voltage and retain dc components thereof.
In this embodiment, the voltage sampling module is a voltage sampling circuit that selects a professional voltage sampling chip for use, the voltage sampling module is a current sampling circuit that selects a current sensor for use, the two sampling modules collect voltage and current parameters in advance, compare with the maximum voltage and current parameters of the power transmission and transformation equipment unit, and then adjust the voltage and current parameters through the converter to ensure that the power transmission and transformation equipment unit operates under stable power.
In this embodiment, the types of controllers include, but are not limited to, the following microcontroller types, such as ARC625D, Atmel AT91SAM, Microchip PIC18F26K20, and Silicone Labs C8051F320, which may be one of the aforementioned types.
In this embodiment, the dc current signal conditioning module and the dc voltage signal conditioning module include a signal isolation transmitter, an isolation barrier, and a safety barrier, and are configured to receive ± V, ± mA, and ± mV signals generated by the power transmission and transformation equipment unit device. The signals are transmitted to the receiving equipment of the controller through the wireless communication unit after being transmitted to various signals required by the client through the module and electrically isolated, so that the signal interference among various equipment can be effectively inhibited, and the problem of 'ground' potential difference among various equipment is solved.
In this embodiment, the wireless communication unit uses the RFID technology to install the electronic tags on the equipment facilities of the electric transmission and transformation equipment set one by one, and transmits data to the controller through the Zigbee communication technology.
In summary, the intelligent monitoring system for the extra-high voltage power transmission and transformation equipment is provided with the voltage sampling module and the current sampling module, the two sampling modules collect voltage and current parameters in advance, the voltage and current parameters are compared with the maximum voltage and current parameters of the power transmission and transformation equipment unit, and the voltage and current parameters are adjusted by the converter to ensure that the power transmission and transformation equipment unit operates under stable power;
according to the intelligent monitoring system for the extra-high voltage power transmission and transformation equipment, the direct current analog quantity acquisition unit and the operation data acquisition unit are arranged, so that each operation parameter in a power transmission and transformation equipment unit facility is acquired again, and the parameter data is the parameter data after electrical isolation, and therefore the effectiveness of the parameter data is guaranteed.
The related modules involved in the system are all hardware system modules or functional modules combining computer software programs or protocols with hardware in the prior art, and the computer software programs or the protocols involved in the functional modules are all known in the technology of persons skilled in the art, and are not improvements of the system; the improvement of the system is the interaction relation or the connection relation among all the modules, namely the integral structure of the system is improved, so as to solve the corresponding technical problems to be solved by the system.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an extra-high voltage power transmission and transformation equipment intelligent monitoring system, includes power supply unit, controller, voltage sampling module, current sampling module, operation data acquisition unit, direct current analog quantity acquisition unit and power transmission and transformation equipment unit, its characterized in that: the output end of the power supply unit is coupled with the input end of a filter module, a sampling circuit of a voltage sampling module and a sampling circuit of a current sampling module are connected in parallel in the filter circuit, the sampled parameters are transmitted to the input end of a controller, the output end of the controller is electrically connected with the input end of a converter, the output end of the filter module is coupled with the input end of the converter, the converter couples and outputs the regulated voltage and current to the input end of a power adapter, and the output end of the power adapter is coupled with the input port of a power transmission and transformation equipment unit;
the power transmission and transformation equipment unit facility is characterized in that an operation data acquisition unit and a direct current analog quantity acquisition unit are arranged inside the power transmission and transformation equipment unit facility, the operation data acquisition unit comprises a temperature acquisition module and an audio acquisition module, the direct current analog quantity acquisition unit comprises a direct current signal conditioning module and a direct current voltage signal conditioning module, the output ends of the operation data acquisition unit and the direct current analog quantity acquisition unit are all electrically connected with a wireless communication unit, the wireless communication unit comprises an RFID read-write module and an RFID electronic tag radio frequency module, and the output end of the wireless communication unit is electrically connected with the input end of the controller.
2. The intelligent monitoring system of the extra-high voltage electric transmission and transformation equipment according to claim 1, characterized in that: the electric energy in the power supply unit can be obtained from the high-voltage side of the extra-high voltage power transmission and transformation project, and the obtaining mode can be a CT current mutual inductance mode.
3. The intelligent monitoring system of the extra-high voltage electric transmission and transformation equipment according to claim 1, characterized in that: the filter module adopts a common filter circuit in the prior art, the filter circuit only allows signal components in a certain frequency range to normally pass through, but prevents the other part of frequency components from passing through, reduces alternating current components in pulsating direct current voltage, and keeps direct current components of the pulsating direct current voltage.
4. The intelligent monitoring system of the extra-high voltage electric transmission and transformation equipment according to claim 1, characterized in that: the voltage sampling module is a voltage sampling circuit of a professional voltage sampling chip, and the voltage sampling module is a current sampling circuit of a current sensor.
5. The intelligent monitoring system of the extra-high voltage electric transmission and transformation equipment according to claim 1, characterized in that: types of such controllers include, but are not limited to, microcontroller models such as ARC625D, Atmel AT91SAM, MicrochipPIC18F26K20, and Silicone Labs C8051F320, which may be one of the aforementioned models.
6. The intelligent monitoring system of the extra-high voltage electric transmission and transformation equipment according to claim 1, characterized in that: the direct current signal conditioning module and the direct voltage signal conditioning module comprise signal isolation transmitters, isolation grids and safety grids and are used for receiving +/-V, +/-mA and +/-mV signals generated by the power transmission and transformation equipment unit equipment.
7. The intelligent monitoring system of the extra-high voltage electric transmission and transformation equipment according to claim 1, characterized in that: the wireless communication unit is used for installing electronic tags on equipment facilities of the power transmission and transformation equipment unit one by using an RFID technology and transmitting data to the controller by using a Zigbee communication technology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010054557.9A CN111220868A (en) | 2020-01-17 | 2020-01-17 | Intelligent monitoring system for extra-high voltage power transmission and transformation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010054557.9A CN111220868A (en) | 2020-01-17 | 2020-01-17 | Intelligent monitoring system for extra-high voltage power transmission and transformation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111220868A true CN111220868A (en) | 2020-06-02 |
Family
ID=70829546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010054557.9A Pending CN111220868A (en) | 2020-01-17 | 2020-01-17 | Intelligent monitoring system for extra-high voltage power transmission and transformation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111220868A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202395724U (en) * | 2011-11-08 | 2012-08-22 | 浙江双友物流器械股份有限公司 | Controller and driver of heavy-current equipment |
| CN103611632A (en) * | 2013-12-11 | 2014-03-05 | 江苏科技大学 | High-frequency and high-voltage electrostatic precipitation power supply |
| CN204009646U (en) * | 2014-07-10 | 2014-12-10 | 华晶精密制造股份有限公司 | A kind of regulated power supply continuous current controller |
| CN204651943U (en) * | 2015-05-30 | 2015-09-16 | 陕西理工学院 | A kind of distributed power source cutting-in control circuit |
| CN106526363A (en) * | 2016-11-01 | 2017-03-22 | 株洲中车时代电气股份有限公司 | Converter power component online monitoring system |
| CN207366986U (en) * | 2017-07-13 | 2018-05-15 | 四川信息职业技术学院 | A kind of electromechanical equipment detecting system |
| CN109104888A (en) * | 2016-03-24 | 2018-12-28 | 罗伯特·博世有限公司 | DC voltage converter and method for adjusting DC voltage converter |
-
2020
- 2020-01-17 CN CN202010054557.9A patent/CN111220868A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202395724U (en) * | 2011-11-08 | 2012-08-22 | 浙江双友物流器械股份有限公司 | Controller and driver of heavy-current equipment |
| CN103611632A (en) * | 2013-12-11 | 2014-03-05 | 江苏科技大学 | High-frequency and high-voltage electrostatic precipitation power supply |
| CN204009646U (en) * | 2014-07-10 | 2014-12-10 | 华晶精密制造股份有限公司 | A kind of regulated power supply continuous current controller |
| CN204651943U (en) * | 2015-05-30 | 2015-09-16 | 陕西理工学院 | A kind of distributed power source cutting-in control circuit |
| CN109104888A (en) * | 2016-03-24 | 2018-12-28 | 罗伯特·博世有限公司 | DC voltage converter and method for adjusting DC voltage converter |
| CN106526363A (en) * | 2016-11-01 | 2017-03-22 | 株洲中车时代电气股份有限公司 | Converter power component online monitoring system |
| CN207366986U (en) * | 2017-07-13 | 2018-05-15 | 四川信息职业技术学院 | A kind of electromechanical equipment detecting system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1866033A (en) | Real-time monitoring system for preventing electricity theft for power network | |
| CN104730359A (en) | Base station power supply distinguishing processing method and device | |
| CN211856726U (en) | Non-invasive load monitoring system based on optical coupling isolation circuit | |
| CN103389437A (en) | Device and method for monitoring shielding current of secondary control cable of transformer substation in real time | |
| CN116028536A (en) | External electricity stealing checking and detecting system for consistent power grid | |
| CN112540292B (en) | Circuit breaker action frequency counting device and method | |
| CN106771639B (en) | High pressure pole tower ground resistance on-line monitoring system | |
| CN110165674B (en) | Active filter safety management system | |
| CN111220868A (en) | Intelligent monitoring system for extra-high voltage power transmission and transformation equipment | |
| CN115347619B (en) | Intelligent monitoring terminal for distributed photovoltaic | |
| CN203704977U (en) | Terminal equipment of electric oil filling equipment oil quality on-line monitoring system | |
| CN110907743A (en) | Temperature and corona monitoring system for power transmission line cable and hardware fitting and working method thereof | |
| CN109613354A (en) | A kind of power quality wireless monitor system and its monitoring method | |
| CN102095924A (en) | Detection device for power utilization and measurement of high-voltage circuit | |
| CN208985350U (en) | Lightning protection monitoring early-warning system based on NB-IOT transmission mode | |
| CN205721286U (en) | Anti-electricity-theft electric-power metering collecting terminal system | |
| CN213240394U (en) | Transformer partial discharge on-site acquisition device | |
| WO2021114860A1 (en) | Photovoltaic system having composite communication photovoltaic optimizer and working method for photovoltaic system | |
| CN203376430U (en) | Substation secondary control cable shielding current real-time monitoring device | |
| CN112731059A (en) | Low-voltage line intelligent monitoring device and monitoring system thereof | |
| CN209709758U (en) | A kind of distribution transformer Integral digital intelligent terminal | |
| CN209387796U (en) | Superfrequency detection system based on crusing robot | |
| CN210572534U (en) | Microgrid parameter heterogeneous wireless network detection system | |
| CN207717951U (en) | Communication synthesis monitoring device terminal display | |
| CN111696301A (en) | Electric fire monitoring device and system based on LoRaWAN technology |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200602 |
|
| WD01 | Invention patent application deemed withdrawn after publication |