CN205608096U - Automatic nuclear phase appearance of public observing and controlling screen secondary voltage of transformer substation - Google Patents
Automatic nuclear phase appearance of public observing and controlling screen secondary voltage of transformer substation Download PDFInfo
- Publication number
- CN205608096U CN205608096U CN201620389150.0U CN201620389150U CN205608096U CN 205608096 U CN205608096 U CN 205608096U CN 201620389150 U CN201620389150 U CN 201620389150U CN 205608096 U CN205608096 U CN 205608096U
- Authority
- CN
- China
- Prior art keywords
- voltage
- secondary voltage
- nuclear phase
- transformer station
- screen
- 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
Links
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The utility model relates to an automatic nuclear phase appearance of public observing and controlling screen secondary voltage of transformer substation, gather whether unanimity and generate the digital signal processor that the judged result exported, the display that is connected and shows the judged result and the state of device with digital signal processor of the secondary voltage's of generating line voltage acquisition route, the numerical value and the phase sequence that are used for judging each secondary voltage of gathering that are connected with each voltage acquisition route including a plurality of the different generating lines of connecting transformer substation public observing and controlling screen respectively and periodic. The voltage acquisition route includes voltage transformer, AD converter. The utility model discloses can be when circuit and/or equipment be launched, carry out automatic nuclear phase to the secondary voltage of transformer substation's public observing and controlling screen, the personnel that need not are on -the -spot to be waited for to improve operation maintenance personnel's work efficiency, and can realize the automatic of secondary voltage nuclear phase result and judge, avoided personnel to judge by accident.
Description
Technical field
This utility model relates to a kind of nuclear phase instrument, and the secondary voltage of a kind of observing and controlling screen public to transformer station carries out the nuclear phase instrument of nuclear phase.
Background technology
Due to power system transmission line and the continuous construction of transformer station, often to carry out nuclear phase by voltage transformer secondary voltage on observing and controlling screen public to transformer station at circuit and relevant device when starting, the most correct to judge circuit and relevant device voltage and phase sequence.The uncertainty started due to new equipment, often leads to maintainer's waiting time at the scene longer, and according to statistics in 2015, maintainer was 6 hours averagely on-the-spot waiting time/every time, and the working time be 1 hour/every time, the work efficiency of personnel is greatly reduced.Simultaneously because the result of secondary nuclear phase needs the judgement of field personnel every time, different staff's technical merits is different, and the judgement to result is also not quite similar, thus there is potential safety hazard.
Summary of the invention
The purpose of this utility model is to provide a kind of transformer station's public observing and controlling automatic nuclear phase instrument of screen secondary voltage that can improve work efficiency and determined level.
For reaching above-mentioned purpose, the technical solution adopted in the utility model is:
A kind of transformer station public observing and controlling automatic nuclear phase instrument of screen secondary voltage, for when circuit and/or equipment enable, the secondary voltage of observing and controlling screen public to transformer station carries out nuclear phase, thus judge that described circuit and/or the voltage of described equipment and phase sequence are the most correct, the described transformer station public observing and controlling automatic nuclear phase instrument of screen secondary voltage includes that some the different buses connecting described transformer station public observing and controlling screen respectively periodicity gather the voltage acquisition path of the secondary voltage of described bus, be connected with each described voltage acquisition path is the most consistent and generate the digital signal processor that judged result exports for judging the numerical value of each described secondary voltage gathered and phase sequence, it is connected with described digital signal processor and shows the display of judged result and unit state.
Preferably, described voltage acquisition path includes that the voltage transformer being connected and exporting analog voltage signal with described bus is connected with described voltage transformer and described analog voltage signal is converted to the A/D converter of digital voltage signal, and described A/D converter is connected with described digital signal processor.
Preferably, the automatic nuclear phase instrument of described transformer station public observing and controlling screen secondary voltage also include when described digital signal processor is carried out pair by pulse in time receiving pair pair time bus.
Preferably, described pair time bus use Shielded Twisted Pair.
Preferably, described display includes display screen and/or display lamp.
Preferably, the described transformer station public observing and controlling automatic nuclear phase instrument of screen secondary voltage also includes hermetic shell, described voltage acquisition path is by introducing in described shell outside described shell, described digital signal processor is arranged in described shell, and described display is arranged on described shell.
Preferably, described digital signal processor is also associated with carrying out the interface of distant communication.
Preferably, the automatic nuclear phase instrument of described transformer station public observing and controlling screen secondary voltage also includes the anti-interference assembly of anti-vibration and/or electromagnetism interference.
Owing to technique scheme is used, this utility model compared with prior art has the advantage that the transformer station of the present utility model public observing and controlling automatic nuclear phase instrument of screen secondary voltage can be when circuit and/or equipment enable, the secondary voltage of observing and controlling screen public to transformer station carries out automatic nuclear phase, wait without personnel on site, thus improve the work efficiency of operating maintenance personnel, and it being capable of the automatic decision of secondary voltage nuclear phase result, it is to avoid personnel judge by accident.
Accompanying drawing explanation
Accompanying drawing 1 is the theory diagram of the transformer station of the present utility model public observing and controlling automatic nuclear phase instrument of screen secondary voltage.
Accompanying drawing 2 is the schematic appearance of the transformer station of the present utility model public observing and controlling automatic nuclear phase instrument of screen secondary voltage.
In the figures above: 1, voltage transformer；2, A/D conversion；3, digital signal processor；4, display；5, display screen；6, display lamp；7, interface；8, keyboard is controlled；9, shell；10, pair bus time.
Detailed description of the invention
This utility model is further described by the embodiment shown in below in conjunction with the accompanying drawings.
Embodiment one: as shown in Figures 1 and 2, a kind of for when circuit and/or equipment enable, the secondary voltage of observing and controlling screen public to transformer station carries out nuclear phase, thus judge circuit and/or the voltage of equipment and the most correct transformer station's public observing and controlling automatic nuclear phase instrument of screen secondary voltage of phase sequence, including some voltage acquisition paths, digital signal processor 3 and display 4.
Voltage acquisition path is for connecting the different buses of transformer station's public observing and controlling screen and periodically gathering the secondary voltage of bus, it includes that the voltage transformer 1 being connected and exporting analog voltage signal with bus is connected with voltage transformer 1 and analog voltage signal is converted to the A/D converter 2 of digital voltage signal, A/D converter 2 uses at a high speed, High resolution apparatus, it is achieved every cycle 24 point sampling.
Digital signal processor 3 is connected with the A/D converter 2 of voltage acquisition path, and it is the most consistent with phase sequence for the numerical value judging each secondary voltage gathered and generates judged result output.Digital signal processor 3 is also associated with carrying out the interface 7 of distant communication.
Display 4 is connected with digital signal processor 3 and for showing judged result and unit state.Display 4 includes display screen 5 and/or display lamp 6.Display screen 5 uses big screen LCD, main wiring diagram parameter to show, Chinesize tree menu, switch fault report, and fixed value adjusting etc. is all explicitly shown on liquid crystal, is not required to compare any technical data, and on-the-spot operation commissioning staff is easy to use；Within device any state change can liquid crystal display circulation display, including open into, the virtual value of voltage, phase place, angle, voltage difference, phase contrast etc..
Digital signal processor 3 can also connect control keyboard 8, can be configured by controlling keyboard 8, manipulate.
This transformer station public observing and controlling automatic nuclear phase instrument of screen secondary voltage also includes hermetic shell 9, and voltage acquisition path is introduced in shell 9 by shell 9 is outer, and digital signal processor 3 is arranged in shell 9, and display 4 and interface 7 are respectively arranged on shell 9.It is additionally provided with the anti-interference assembly of anti-vibration and/or electromagnetism interference.
This transformer station public observing and controlling automatic nuclear phase instrument of screen secondary voltage also include when digital signal processor 3 is carried out pair by pulse in time receiving pair pair time bus 10, pair time bus 10 use the Shielded Twisted Pair being connected with digital signal processor 3.
The above-mentioned transformer station public observing and controlling automatic nuclear phase instrument of screen secondary voltage is with transformer station's observing and controlling screen direct current 220V voltage as working power, the calculating carrying out voltage difference and differential seat angle by gathering the secondary voltage (exchange 0-100V) of observing and controlling screen difference bus is compared, the numerical value of automatic decision Suo Caige road voltage is the most consistent with phase sequence, thus complete the work originally needing secondary personnel to on-the-spot artificial nuclear phase, being greatly saved artificial and vehicle cost, phase checking device judged result voluntarily it also avoid the probability of personnel's erroneous judgement simultaneously.At a high speed, high-resolution A/D converter 2 combine special measurement CT, and digital signal processor 3(DSP) carry out calculating high accuracy and the response speed that ensure that remote measurement amount, the calculating of voltage difference, differential seat angle etc. can be completed in real time in locality simultaneously.The result (including fault waveform etc.) calculate, judged all can realize teletransmission by interface 7, and interface 7 uses RS485 interface 7, CAN standard communication interface 7 etc..This automatic nuclear phase instrument can also have perfect self-test capability and self checking function, it is achieved non-regulating.By pair time bus 10, can by receiving GPS hardware pair time pulse mode when carrying out pair, pair time precision be 1ms.When it can be carried out pair to use communication software mode, pair time precision be about 5ms, or when two kinds pairs, mode combines.Bus 10 when public one pair between multiple stage nuclear phase instrument, inputs with differential signal.
Above-described embodiment only for technology of the present utility model design and feature are described, its object is to allow person skilled in the art will appreciate that content of the present utility model and to implement according to this, can not limit protection domain of the present utility model with this.All equivalence changes made according to this utility model spirit or modification, all should contain within protection domain of the present utility model.
Claims (8)
1. transformer station's public observing and controlling automatic nuclear phase instrument of screen secondary voltage, for when circuit and/or equipment enable, the secondary voltage of observing and controlling screen public to transformer station carries out nuclear phase, thus judge that described circuit and/or the voltage of described equipment and phase sequence are the most correct, it is characterized in that: it includes that some the different buses connecting described transformer station public observing and controlling screen respectively periodicity gather the voltage acquisition path of the secondary voltage of described bus, be connected with each described voltage acquisition path is the most consistent and generate the digital signal processor that judged result exports for judging the numerical value of each described secondary voltage gathered and phase sequence, it is connected with described digital signal processor and shows the display of judged result and unit state.
The transformer station the most according to claim 1 public observing and controlling automatic nuclear phase instrument of screen secondary voltage, it is characterized in that: described voltage acquisition path includes that the voltage transformer being connected and exporting analog voltage signal with described bus is connected with described voltage transformer and described analog voltage signal is converted to the A/D converter of digital voltage signal, and described A/D converter is connected with described digital signal processor.
The transformer station the most according to claim 1 public observing and controlling automatic nuclear phase instrument of screen secondary voltage, it is characterised in that: its also include when described digital signal processor is carried out pair by pulse in time receiving pair pair time bus.
The transformer station the most according to claim 3 public observing and controlling automatic nuclear phase instrument of screen secondary voltage, it is characterised in that: when described pair, bus uses Shielded Twisted Pair.
The transformer station the most according to claim 1 public observing and controlling automatic nuclear phase instrument of screen secondary voltage, it is characterised in that: described display includes display screen and/or display lamp.
The transformer station the most according to claim 1 public observing and controlling automatic nuclear phase instrument of screen secondary voltage, it is characterized in that: it also includes hermetic shell, described voltage acquisition path is by introducing in described shell outside described shell, described digital signal processor is arranged in described shell, and described display is arranged on described shell.
The transformer station the most according to claim 1 public observing and controlling automatic nuclear phase instrument of screen secondary voltage, it is characterised in that: described digital signal processor is also associated with carrying out the interface of distant communication.
The transformer station the most according to claim 1 public observing and controlling automatic nuclear phase instrument of screen secondary voltage, it is characterised in that: it also includes the anti-interference assembly of anti-vibration and/or electromagnetism interference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620389150.0U CN205608096U (en) | 2016-05-04 | 2016-05-04 | Automatic nuclear phase appearance of public observing and controlling screen secondary voltage of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620389150.0U CN205608096U (en) | 2016-05-04 | 2016-05-04 | Automatic nuclear phase appearance of public observing and controlling screen secondary voltage of transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205608096U true CN205608096U (en) | 2016-09-28 |
Family
ID=56968619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620389150.0U Active CN205608096U (en) | 2016-05-04 | 2016-05-04 | Automatic nuclear phase appearance of public observing and controlling screen secondary voltage of transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205608096U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110988477A (en) * | 2019-12-24 | 2020-04-10 | 广东电网有限责任公司 | Power grid phase judgment and checking method |
| CN113866483A (en) * | 2021-10-20 | 2021-12-31 | 国网宁夏电力有限公司宁东供电公司 | Automatic checking method and system for secondary voltage of transformer substation |
-
2016
- 2016-05-04 CN CN201620389150.0U patent/CN205608096U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110988477A (en) * | 2019-12-24 | 2020-04-10 | 广东电网有限责任公司 | Power grid phase judgment and checking method |
| CN113866483A (en) * | 2021-10-20 | 2021-12-31 | 国网宁夏电力有限公司宁东供电公司 | Automatic checking method and system for secondary voltage of transformer substation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101400009B1 (en) | Training apparatus for a smart grid education | |
| RU2613130C1 (en) | Automated equipment monitoring device for electric substation | |
| CN106226603B (en) | Corona loss measurement system and method for high-voltage alternating-current transmission line | |
| CN104062513A (en) | Secondary phase detecting instrument and method | |
| CN106645865A (en) | Device for measuring corona current of high-voltage transmission line | |
| CN205608096U (en) | Automatic nuclear phase appearance of public observing and controlling screen secondary voltage of transformer substation | |
| CN208432876U (en) | DC distribution net real-time emulation system | |
| CN102680820A (en) | Automatic testing and diagnosing system for corrosion fault points of grounding grid of substation | |
| CN206178056U (en) | Distribution automation debugging equipment that does not have a power failure | |
| CN103499750A (en) | Portable multifunctional shore power system tester | |
| CN110618327A (en) | Mobile distribution automation test equipment and test method thereof | |
| CN103675569B (en) | The detection Apparatus and system of aerial line ground fault | |
| CN106093676A (en) | Outfield fault detection and diagnosis equipment | |
| CN102385023A (en) | Intelligent high-voltage circuit grounding detector | |
| CN202583340U (en) | Tester for testing series-compensation control protection device | |
| CN103066579A (en) | Grid fault measuring and control device | |
| CN209821310U (en) | Transmission line parameter test safety protection platform | |
| CN203103934U (en) | Measurement and control device for grid faults | |
| CN209215483U (en) | A kind of substation is across interval multimode phase checking device | |
| CN207992351U (en) | Coil class equipment electric testing device | |
| CN204028234U (en) | The automatic nuclear phase monitoring device of a kind of online voltage | |
| CN111882194A (en) | Intelligent substation relay protection state monitoring and diagnostic system | |
| CN205157660U (en) | Monitoring device | |
| CN206057412U (en) | A kind of device corona current of high-voltage transmission line measured by corona cage | |
| CN110658452A (en) | Non-electric power relay calibration device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |