CN103399207A - Secondary voltage phase checking device and phase checking system - Google Patents
Secondary voltage phase checking device and phase checking system Download PDFInfo
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- CN103399207A CN103399207A CN2013103304907A CN201310330490A CN103399207A CN 103399207 A CN103399207 A CN 103399207A CN 2013103304907 A CN2013103304907 A CN 2013103304907A CN 201310330490 A CN201310330490 A CN 201310330490A CN 103399207 A CN103399207 A CN 103399207A
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Abstract
The invention discloses a secondary voltage phase checking device and a phase checking system. The secondary voltage phase checking device comprises a CPU (Central Processing Unit) module, and a voltage digital quantity sampling module and a signal output and input module which are connected with the CPU module. The secondary voltage phase checking device has the advantages that secondary voltage phase checking of an intelligent transformer substation can be finished smoothly, the phase checking flow is simplified, and a phase checking result is more accurate.
Description
Technical field
The present invention relates to voltage nuclear phase equipment, specifically a kind of intelligent substation secondary voltage phase checking device and kernel phase system of energy automatic analysis.
Background technology
At present, the secondary voltage nuclear phase of traditional transformer station is to judge by the potential difference (PD) that the staff tests between different voltages by multimeter whether the phase place of two groups of voltages is consistent.We cannot measure its phase differential between the two by multimeter for intelligent substation, therefore we need a kind of phase checking device now, this phase checking device not only can successfully be completed the secondary voltage nuclear phase of intelligent substation, and can also make the nuclear phase flow process more succinct, the nuclear phase result is more accurate.
Summary of the invention
The object of the present invention is to provide a kind of intelligent substation secondary voltage phase checking device and kernel phase system, this device nuclear phase flow process is more succinct, and the nuclear phase result is more accurate.
Purpose of the present invention is achieved through the following technical solutions: secondary voltage phase checking device, the voltage digital amount collection module and the signal output inputting modular unit that comprise the CPU module and with the CPU module, be connected.The CPU module is built-in with the nuclear phase program, can automatically perform under control command or background commands is carried out this program.
We know that the voltage that there is no analog quantity in intelligent substation can measure for us, the invention provides a kind of intelligent substation secondary voltage phase checking device, this device can gather the voltage of Multipath digital quantity, and can accept the order of secondary voltage nuclear phase, as required voltage-phase is analyzed, automatic feedback secondary voltage nuclear phase result, thus the secondary voltage nuclear phase problem of Intelligent transformer station solved.
The collection of intelligent substation secondary voltage phase checking device entirely stand secondary bus voltage and the line voltage distribution of all digital quantities, and can extract wherein any two groups of voltages and carry out the comparison of phase differential.Intelligent substation secondary voltage phase checking device and our monitoring background computer are connected, we can be by the monitoring background computer to the nuclear phase order between any two groups of voltages of intelligent substation secondary voltage phase checking device, intelligent substation secondary voltage phase checking device complete these two groups of voltage phase differences relatively after automatically result feedback is given the monitoring background computer.
Signal output inputting modular unit comprises alarm signal module and communication interface module.When the nuclear phase result is that two phase place is when inconsistent, represent that circuit has fault, the CPU module sends alarm command to the alarm signal module, send alarm signal by alert signal module, alarm signal can be the buzzing alarm device, also can alarm signal be sent to the monitoring background computer by the alarm signal module, at the monitoring background computer, show.
The communication interface module is connected with communication interface and display panel.Display panel can be real-time the demonstration nuclear phase process and the operation after result.
The present invention can be used in the power station that has aanalogvoltage and use, so the CPU module also is connected with the analog to digital conversion module, and the analog to digital conversion module is connected with voltage analog and gathers module.Voltage analog gathers module and gathers the analog quantity voltage in power station.
Kernel phase system, comprise above-mentioned intelligent substation secondary voltage phase checking device and intelligent substation secondary bus voltage side and intelligent substation line voltage distribution side, the voltage digital amount gathers module and is connected the voltage merge cells with intelligent substation line voltage distribution side with the voltage merge cells of intelligent substation secondary bus voltage side respectively and is connected.The digital quantity voltage signal of the voltage merge cells of the intelligent substation secondary bus voltage side of voltage digital amount collection module collection multichannel, the digital quantity voltage signal of the voltage merge cells of the intelligent substation line voltage distribution side of voltage digital amount collection module collection multichannel.The 2 road signals that intelligent substation secondary voltage phase checking device can be chosen wherein automatically carry out the nuclear phase processing, and the 2 road signals that perhaps execution monitoring background computer is chosen under the operation of monitoring background computer carry out nuclear phase to be processed.
The monitoring background computer is connected with the communication interface module by communication interface.The monitoring background computer by communication interface to intelligent substation secondary voltage phase checking device send steering order,
The monitoring background computer also is connected with the CPU module by the alarm signal module.Alert signal module forwards warning information to the monitoring background computer.
The invention has the advantages that: can successfully complete the secondary voltage nuclear phase of intelligent substation, and can also be that the nuclear phase flow process is more succinct, the nuclear phase result be more accurate.
Description of drawings
Fig. 1 is the structured flowchart of nuclear phase.
Fig. 2 is the structured flowchart of intelligent substation secondary voltage phase checking device.
Embodiment
The present invention is described in further detail below in conjunction with embodiment and accompanying drawing, but embodiments of the present invention are not limited to this.
Embodiment 1:
As depicted in figs. 1 and 2.
Intelligent substation secondary voltage phase checking device, the voltage digital amount collection module and the signal output inputting modular unit that comprise the CPU module and with the CPU module, be connected.The CPU module is built-in with the nuclear phase program, can automatically perform under control command or background commands is carried out this program.
We know that the voltage that there is no analog quantity in intelligent substation can measure for us, the invention provides a kind of intelligent substation secondary voltage phase checking device, this device can gather the voltage of Multipath digital quantity, and can accept the order of secondary voltage nuclear phase, as required voltage-phase is analyzed, automatic feedback secondary voltage nuclear phase result, thus the secondary voltage nuclear phase problem of Intelligent transformer station solved.
The intelligent substation secondary voltage phase checking device collection secondary bus voltage of all digital quantities of entirely standing, and can extract wherein any two groups of voltages and carry out the comparison of phase differential.Intelligent substation secondary voltage phase checking device and our monitoring background computer are connected, we can be by the monitoring background computer to the nuclear phase order between any two groups of voltages of intelligent substation secondary voltage phase checking device, intelligent substation secondary voltage phase checking device complete these two groups of voltage phase differences relatively after automatically result feedback is given the monitoring background computer.
Signal output inputting modular unit comprises alarm signal module and communication interface module.When the nuclear phase result is that two phase place is when inconsistent, represent that circuit has fault, the CPU module sends alarm command to the alarm signal module, send alarm signal by alert signal module, alarm signal can be the buzzing alarm device, also can alarm signal be sent to the monitoring background computer by the alarm signal module, at the monitoring background computer, show.
The communication interface module is connected with communication interface and display panel.Display panel can be real-time the demonstration nuclear phase process and the operation after result.
Kernel phase system, comprise above-mentioned intelligent substation secondary voltage phase checking device and intelligent substation secondary bus voltage side, and the voltage digital amount gathers module and is connected with the voltage merge cells of intelligent substation secondary bus voltage side respectively.The digital quantity voltage signal of the voltage merge cells of the intelligent substation secondary bus voltage side of voltage digital amount collection module collection multichannel.The 2 road signals that intelligent substation secondary voltage phase checking device can be chosen wherein automatically carry out the nuclear phase processing, and the 2 road signals that perhaps execution monitoring background computer is chosen under the operation of monitoring background computer carry out nuclear phase to be processed.
The monitoring background computer is connected with the communication interface module by communication interface.The monitoring background computer by communication interface to intelligent substation secondary voltage phase checking device send steering order,
The monitoring background computer also is connected with the CPU module by the alarm signal module.Alert signal module forwards warning information to the monitoring background computer.
Embodiment 2
Relatively with embodiment 1, the present embodiment can be used in the power station that has aanalogvoltage and use, so the CPU module also is connected with the analog to digital conversion module, and the analog to digital conversion module is connected with voltage analog collection module.Voltage analog gathers module and gathers the analog quantity voltage in power station.
Embodiment 3
The difference of the present embodiment and embodiment 1 is: the intelligent substation secondary voltage phase checking device collection line voltage distribution of all digital quantities of entirely standing, and can extract wherein any two groups of voltages and carry out the comparison of phase differential.Intelligent substation secondary voltage phase checking device and our monitoring background computer are connected, we can be by the monitoring background computer to the nuclear phase order between any two groups of voltages of intelligent substation secondary voltage phase checking device, intelligent substation secondary voltage phase checking device complete these two groups of voltage phase differences relatively after automatically result feedback is given the monitoring background computer.
Kernel phase system, comprise above-mentioned intelligent substation secondary voltage phase checking device and intelligent substation line voltage distribution side, and the voltage digital amount gathers module and is connected with the voltage merge cells of intelligent substation line voltage distribution side.The digital quantity voltage signal of the voltage merge cells of the intelligent substation line voltage distribution side of voltage digital amount collection module collection multichannel.The 2 road signals that intelligent substation secondary voltage phase checking device can be chosen wherein automatically carry out the nuclear phase processing, and the 2 road signals that perhaps execution monitoring background computer is chosen under the operation of monitoring background computer carry out nuclear phase to be processed.
The CPU module is central processing circuit, carries out logical operation; It is voltage digital amount Acquisition Circuit that the voltage digital amount gathers module, gathers the voltage digital amount; Signal output inputting modular unit is signal output input circuit, as signal upload and under pass path.
As mentioned above, can well realize the present invention.
Claims (7)
1. the secondary voltage phase checking device, is characterized in that: the voltage digital amount collection module and the signal output inputting modular unit that comprise the CPU module and with the CPU module, be connected.
2. secondary voltage phase checking device according to claim 1 is characterized in that: signal output inputting modular unit comprises alarm signal module and communication interface module.
3. secondary voltage phase checking device according to claim 2, it is characterized in that: the communication interface module is connected with communication interface and display panel.
4. the described secondary voltage phase checking device of any one according to claim 1-3, it is characterized in that: the CPU module also is connected with the analog to digital conversion module, and the analog to digital conversion module is connected with voltage analog and gathers module.
5. kernel phase system, it is characterized in that: comprise above-mentioned intelligent substation secondary voltage phase checking device and intelligent substation secondary bus voltage side and intelligent substation line voltage distribution side, the voltage digital amount gathers module and is connected the voltage merge cells with intelligent substation line voltage distribution side with the voltage merge cells of intelligent substation secondary bus voltage side respectively and is connected.
6. kernel phase system according to claim 5, is characterized in that: also comprise the monitoring background computer, monitor background computer and be connected with the communication interface module by communication interface.
7. kernel phase system according to claim 6, is characterized in that: monitor background computer and also by the alarm signal module, with the CPU module, be connected.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104360174A (en) * | 2014-12-05 | 2015-02-18 | 国家电网公司 | Secondary automatic nuclear phase device of ring main unit |
| CN104880596A (en) * | 2015-04-24 | 2015-09-02 | 国网四川省电力公司电力科学研究院 | Volt-ampere vector wireless test method used for transformer substation system debugging |
| CN105974262A (en) * | 2016-04-28 | 2016-09-28 | 国网福建省电力有限公司 | Intelligent cable phase verification instrument capable of maintaining normal communication in no-signal environment |
| CN106771679A (en) * | 2016-12-20 | 2017-05-31 | 国网山东省电力公司威海供电公司 | The secondary phase checking device of combined instrument transformer |
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| CN202362383U (en) * | 2011-11-23 | 2012-08-01 | 贵州电力试验研究院 | Phase calibration device of digital substation based on composite sampling |
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| JPS62250371A (en) * | 1986-04-23 | 1987-10-31 | Omron Tateisi Electronics Co | Phase difference meter |
| JPH05180888A (en) * | 1991-12-27 | 1993-07-23 | Anritsu Corp | Signal evaluating device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104360174A (en) * | 2014-12-05 | 2015-02-18 | 国家电网公司 | Secondary automatic nuclear phase device of ring main unit |
| CN104360174B (en) * | 2014-12-05 | 2017-05-24 | 国家电网公司 | Secondary automatic nuclear phase device of ring main unit |
| CN104880596A (en) * | 2015-04-24 | 2015-09-02 | 国网四川省电力公司电力科学研究院 | Volt-ampere vector wireless test method used for transformer substation system debugging |
| CN105974262A (en) * | 2016-04-28 | 2016-09-28 | 国网福建省电力有限公司 | Intelligent cable phase verification instrument capable of maintaining normal communication in no-signal environment |
| CN106771679A (en) * | 2016-12-20 | 2017-05-31 | 国网山东省电力公司威海供电公司 | The secondary phase checking device of combined instrument transformer |
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Owner name: STATE ELECTRIC NET CROP. Free format text: FORMER OWNER: CHENGDU ELECTRIC POWER BUREAU DOUBLE CURRENT POWER SUPPLY BUREAU Effective date: 20140107 Owner name: ZIGONG POWER SUPPLY COMPANY, STATE GRID SICHUAN EL Effective date: 20140107 |
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Effective date of registration: 20140107 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant after: State Grid Corporation of China Applicant after: Guo Wang Sichuan Province Power Co., Ltd Zi Gong electric company Address before: 610000, Sichuan, Chengdu province Shuangliu County Dongsheng Town, No. 35 Canton Avenue Applicant before: Shuangliu Power Supply Bureau, Chengdu Electric Power Bureau |
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Application publication date: 20131120 |