CN109103988A - A kind of novel transformer substation system comprehensive protector - Google Patents
A kind of novel transformer substation system comprehensive protector Download PDFInfo
- Publication number
- CN109103988A CN109103988A CN201811059748.3A CN201811059748A CN109103988A CN 109103988 A CN109103988 A CN 109103988A CN 201811059748 A CN201811059748 A CN 201811059748A CN 109103988 A CN109103988 A CN 109103988A
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- China
- Prior art keywords
- data transmission
- analog
- transformer substation
- connect
- transmission port
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00019—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using optical means
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a kind of novel transformer substation system comprehensive protectors; including MCU processor, memory, active filter, relay; the input terminal of active filter is connect with the output end of current/voltage mutual inductor; the output end of active filter is connect with the input terminal of the first analog-digital converter, the second analog-digital converter, the current/voltage data transmission port connection of the first analog-digital converter, the data transmission port of the second analog-digital converter and MCU processor.The configuration of the present invention is simple, design are reasonable;This kind of transformer substation system protective device integrates measurement, protection, communication and management function, and the multifunctional comprehensive for forming a set of substation becomes electric protection system, and measurement accuracy is high, and accident analysis is accurate and reliable, and system reliability and automatization level are higher;And convenient for being connected with other data acquisition equipments, realizes the monitoring to field device, be convenient for fault inquiry and analysis, practicability is stronger, is suitble to promote the use of.
Description
Technical field
The present invention relates to transformer substation system protection technique field, specially a kind of novel transformer substation system comprehensive protector.
Background technique
Substation is voltage of transformation in electric system, receiving and distribution electric energy, the flow direction for controlling electric power and adjustment voltage
Electric power facility, it is got up the grid contact of each step voltage by its transformer.Substation be voltage is carried out transformation and it is right
Electric energy collection neutralizes the place of distribution.Matter to guarantee electric energy most and the safety of equipment, also needs to carry out voltage tune in substation
Whole, each node and voltage, the flow direction of electric current and power and the control of distribution and electric line in branch in electric system
With the protection of main electrical equipment.Electricity substation and traction power station can be divided by purposes.Electricity substation is divided into transmission of electricity again and becomes
Power station, distribution substation and frequency conversion institute.These substations can be divided into middle buckling power station by voltage class.Electrical main connecting wire selection with
The electrical equipment selection of the safe and reliable, stable of electric system, flexible and economical operation and substation and arrangement, relay
Protection and the selection of control mode etc. are because being known as close relationship.Since power transformation, power transmission and distribution and electricity consumption are completed at the same time, so
The design of electrical main connecting wire not only influences electric system and this province of substation, while also influencing household electricity.In transformer substation system
In, it needs to carry out real-time monitoring to the data in system, prevents system jam from cannot take safeguard measure in time;So one
The novel transformer substation system comprehensive protector of kind is particularly significant in transformer substation system application.
But protective device function used in transformer substation system is more single at present, and real-time monitoring inefficiency;It is not easy to
The integrated management of transformer substation system is protected, while existing transformer substation system installing structure of protector is complicated, and stability is low.Cause
This, proposes a kind of novel transformer substation system comprehensive protector regarding to the issue above.
Summary of the invention
Integrated protection is not easy to the object of the invention is that having a single function to solve above-mentioned transformer substation system protective device
The problem of and a kind of novel transformer substation system comprehensive protector is provided.
The present invention is achieved through the following technical solutions above-mentioned purpose, a kind of novel transformer substation system comprehensive protector,
Including MCU processor, memory, active filter, relay, the input terminal of the active filter and current/voltage mutual inductance
The output end of device connects, the input terminal of the output end of the active filter and the first analog-digital converter, the second analog-digital converter
Connection, electric current/electricity of first analog-digital converter, the data transmission port of the second analog-digital converter and the MCU processor
Data transmission port connection is pressed, the human-machine interaction data transmission port of the MCU processor and the data of human-computer interaction device pass
Defeated port connection, the data transfer port of the MCU processor and the data transmission port of measuring device connect, described
The communication data transmission port of MCU processor is connect with the data transmission port of external communication device, the optoisolator it is defeated
Enter end and be connected in series in On-off signal circuit, the output end of the optoisolator and the on-off model of MCU processor input
End connection, the on-off model output end of the MCU processor and the control terminal of relay connect, and the relay is connected in series
In output switch parameter circuit.
Preferably, the data transmission port connection of the data storage port and memory of the MCU processor.
Preferably, the human-computer interaction device further includes LCD display device for showing data and for parameter setting
Keyboard.
Preferably, the test device includes voltage check device, current detection means, power value detection device.
Preferably, the external communication device includes multiple communication interfaces, supports one-to-many communication.
Preferably, first analog-digital converter, the second analog-digital converter parallel connection access active filter and MCU processing
Device.
The beneficial effects of the present invention are: this kind of novel transformer substation system comprehensive protector structure is simple, it is novel in design,
During transformer substation system makes protection, good booster action can be played, and is designed rationally, it is easy to use;This kind of transformer substation system is protected
Protection unit integrates measurement, protection, communication and management function, forms the multifunctional comprehensive power transformation protection system of a set of substation
System, measurement accuracy is high, and accident analysis is accurate and reliable, and system reliability and automatization level are higher;And convenient for being adopted with other data
Collect equipment to be connected, realize the monitoring to field device, be convenient for fault inquiry and analysis, practicability is stronger, is suitble to promote the use of.
Detailed description of the invention
Fig. 1 is overall structure block diagram of the present invention.
Fig. 2 is workflow schematic diagram of the present invention.
In figure: 1-MCU processor, 2- human-computer interaction device, 3- measuring device, the external communication device of 4-.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to shown in Fig. 1-2, a kind of novel transformer substation system comprehensive protector, including MCU processor 1, memory,
Active filter, relay, it is characterised in that: the input terminal of the active filter and the output end of current/voltage mutual inductor
Connection, the output end of the active filter connect with the input terminal of the first analog-digital converter, the second analog-digital converter, and described the
The current/voltage data of one analog-digital converter, the data transmission port of the second analog-digital converter and the MCU processor 1 are transmitted
Port connection, the human-machine interaction data transmission port of the MCU processor and the data transmission port of human-computer interaction device 2 connect
It connects, the data transfer port of the MCU processor 1 is connect with the data transmission port of measuring device 3, the MCU processing
The communication data transmission port of device 1 is connect with the data transmission port of external communication device 4, the input terminal string of the optoisolator
Connection is connected to On-off signal circuit, and the output end of the optoisolator and the on-off model input terminal of MCU processor 1 connect
It connects, the on-off model output end of the MCU processor 1 and the control terminal of relay connect, and the relay is connected in series in
Output switch parameter circuit.
In the present invention, the data storage port of the MCU processor 1 and the data transmission port of memory are connected, and are used for
The storage of detection data.
The human-computer interaction device 2 further includes the LCD display device for showing data and the keyboard for parameter setting,
It observes and operates convenient for user.
The test device 3 includes voltage check device, current detection means, power value detection device.
The external communication device 4 includes multiple communication interfaces, supports one-to-many communication, convenient for whole with multiple mobile monitors
End is attached, and is conducive to be monitored in many ways.
First analog-digital converter, the second analog-digital converter parallel connection access active filter and MCU processor 1.
The working principle of the invention: in use, user passes through human-computer interaction device 2 into parameter setting, work as transformer substation system
When normal work, LCD display device in human-computer interaction device 2 shows that measuring device 3 monitors as a result, simultaneously, measuring device 3
The result of monitoring can also be transmitted to mobile terminal by external communication device 4, remotely be monitored convenient for user;When measurement fills
When setting 3 and measuring data exception in transformer substation system, feed back to MCU processor 1, by memory carry out data and it is abnormal store,
Convenient for fault inquiry and analysis, while MCU processor 1 controls the corresponding protection in transformer substation system and repairs to system;System
Reliability of uniting and automatization level are higher.
Wherein: the model LPC1700 of the CU processor 1;The memory model AT93C46DY6-YH-T.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of novel transformer substation system comprehensive protector, including MCU processor (1), memory, active filter, relay
Device, it is characterised in that: the input terminal of the active filter is connect with the output end of current/voltage mutual inductor, the active filter
The output end of wave device is connect with the input terminal of the first analog-digital converter, the second analog-digital converter, first analog-digital converter,
The data transmission port of two analog-digital converters is connect with the current/voltage data transmission port of the MCU processor (1), described
The human-machine interaction data transmission port of MCU processor is connect with the data transmission port of human-computer interaction device (2), at the MCU
The data transfer port of reason device (1) is connect with the data transmission port of measuring device (3), and the MCU processor (1) is led to
News data transmission port is connect with the data transmission port of external communication device (4), and the input terminal of the optoisolator, which is connected, to be connected
It is connected to On-off signal circuit, the output end of the optoisolator is connect with the on-off model input terminal of MCU processor (1),
The on-off model output end of the MCU processor (1) and the control terminal of relay connect, and the relay is connected in series in out
Measure output loop in pass.
2. the novel transformer substation system comprehensive protector of one kind according to claim 1, it is characterised in that: at the MCU
The data transmission port of the data storage port and memory of managing device (1) connects.
3. the novel transformer substation system comprehensive protector of one kind according to claim 1, it is characterised in that: the man-machine friendship
Mutual device (2) further includes the LCD display device for showing data and the keyboard for parameter setting.
4. the novel transformer substation system comprehensive protector of one kind according to claim 1, it is characterised in that: the test dress
Setting (3) includes voltage check device, current detection means, power value detection device.
5. the novel transformer substation system comprehensive protector of one kind according to claim 1, it is characterised in that: described externally logical
Interrogating device (4) includes multiple communication interfaces, supports one-to-many communication.
6. the novel transformer substation system comprehensive protector of one kind according to claim 1, it is characterised in that: first mould
Number converter, the second analog-digital converter parallel connection access active filter and MCU processor (1).
Priority Applications (1)
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CN201811059748.3A CN109103988A (en) | 2018-09-12 | 2018-09-12 | A kind of novel transformer substation system comprehensive protector |
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CN201811059748.3A CN109103988A (en) | 2018-09-12 | 2018-09-12 | A kind of novel transformer substation system comprehensive protector |
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CN109103988A true CN109103988A (en) | 2018-12-28 |
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ID=64866009
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CN201811059748.3A Pending CN109103988A (en) | 2018-09-12 | 2018-09-12 | A kind of novel transformer substation system comprehensive protector |
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Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103368138A (en) * | 2012-03-27 | 2013-10-23 | 成都玺汇科技有限公司 | Transformer station integrated-protection device based on ARM microcontroller |
-
2018
- 2018-09-12 CN CN201811059748.3A patent/CN109103988A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103368138A (en) * | 2012-03-27 | 2013-10-23 | 成都玺汇科技有限公司 | Transformer station integrated-protection device based on ARM microcontroller |
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Application publication date: 20181228 |
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