CN203178350U - Overvoltage on-line monitoring system - Google Patents

Overvoltage on-line monitoring system Download PDF

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Publication number
CN203178350U
CN203178350U CN 201320220793 CN201320220793U CN203178350U CN 203178350 U CN203178350 U CN 203178350U CN 201320220793 CN201320220793 CN 201320220793 CN 201320220793 U CN201320220793 U CN 201320220793U CN 203178350 U CN203178350 U CN 203178350U
Authority
CN
China
Prior art keywords
frequency spectrum
network analyzer
alarm
electrically
display 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.)
Expired - Fee Related
Application number
CN 201320220793
Other languages
Chinese (zh)
Inventor
彭家从
余敏
王敏健
钱锡颖
陈祥金
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.)
Ninghai county power supply bureau
State Grid Corp of China SGCC
State Grid Zhejiang Electric Power Co Ltd
Zhejiang Electric Power Co
Ningbo Electric Power Bureau
Original Assignee
Ninghai county power supply bureau
State Grid Corp of China SGCC
Zhejiang Electric Power Co
Ningbo Electric Power Bureau
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 Ninghai county power supply bureau, State Grid Corp of China SGCC, Zhejiang Electric Power Co, Ningbo Electric Power Bureau filed Critical Ninghai county power supply bureau
Priority to CN 201320220793 priority Critical patent/CN203178350U/en
Application granted granted Critical
Publication of CN203178350U publication Critical patent/CN203178350U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/40Display of information, e.g. of data or controls

Abstract

The utility model provides an overvoltage on-line monitoring system capable of comprehensively monitoring overvoltage data in an electric power circuit. The overvoltage on-line monitoring system comprises a voltage transformer (1), a voltage divider (7) and an alarm (6). The overvoltage on-line monitoring system is characterized in that the system further comprises a frequency spectrum network analyzer (2), a central processor (3) and a display screen (4); the frequency spectrum network analyzer (2) is respectively electrically connected to signal output ends of the voltage transformer (1) and the voltage divider (7); the frequency spectrum network analyzer (2) is also electrically connected with a secondary cable (5) in a power grid for collecting scattering parameters of the voltage transformer (1), the secondary cable (5) and the voltage divider (7); a signal output end of the frequency spectrum network analyzer (2) is electrically connected with the central processor (3); the central processor (3) is further electrically connected with the display screen (4) and the alarm (6); and the frequency spectrum network analyzer (2), the central processor (3), the display screen (4) and the alarm (6) are all equipped with power sources.

Description

The superpotential on-line monitoring system
Technical field
The utility model relates to a kind of superpotential on-line monitoring system.
Background technology
In electric power online monitoring field, the superpotential on-line monitoring is the monitoring project of a routine, in the prior art is mostly to come the voltage of the primary side of electric system is monitored by voltage transformer (VT).But this monitoring is not comprehensive, the just magnitude of voltage of practical reaction primary side, and the variation of recording voltage value.Can not when taking place, superpotential note superpotential actual change process complete and accurate, superpotential waveform and various parameter preserved in record, before and after the storage accident takes place in superpotential situation and the generating process to the influence of line voltage, provide scientific basis for the operations staff analyzes culprit, the scientific worker that can not cooperate for mechanism, superpotential strick precaution and the insulation of electrical installation that the research Hyper-Voltage of Power Systems produces provides raw data support abundant, full and accurate, science.
The utility model content
The technical problems to be solved in the utility model is that a kind of superpotential on-line monitoring system that can more comprehensively monitor the superpotential data in the power circuit is provided.
For solving the problems of the technologies described above, the technical scheme that the utility model provides is: a kind of superpotential on-line monitoring system, and it comprises voltage transformer (VT), voltage divider and alarm, it also comprises frequency spectrum network analyzer, central processing unit and display screen; The frequency spectrum network analyzer is electrically connected with the signal output part of voltage transformer (VT) and voltage divider respectively, the frequency spectrum network analyzer is electrically connected with secondary cable in the electrical network simultaneously, be used for gathering the scattering parameter of voltage transformer (VT), secondary cable and voltage divider, the signal output part of frequency spectrum network analyzer is electrically connected with central processing unit, also be electrically connected with display screen and alarm on the central processing unit, described frequency spectrum network analyzer, central processing unit, display screen and alarm all are furnished with power supply.
After adopting above structure, the utlity model has following advantage: be connected with frequency spectrum network analyzer and central processing unit on the described voltage transformer (VT), the frequency spectrum network analyzer can carry out real-time analysis and data recording to the voltage signal of power circuit primary side, relevant analysis result can send to central processing unit, central processing unit can be stored data, send and judgement, when overvoltage signal occurring, can drive alarm and send alerting signal to the operator on duty.Simultaneously also can data in real time be shown to the operator on duty by display screen.The utility model provides a kind of and can note superpotential actual change process complete and accurate when superpotential takes place in sum, superpotential waveform and various parameter preserved in record, before and after the storage accident takes place in superpotential situation and the generating process to the influence of line voltage, provide scientific basis for the operations staff analyzes culprit, also can be the mechanism of research Hyper-Voltage of Power Systems generation, the scientific worker that superpotential is taken precautions against and insulation of electrical installation cooperates provides abundant, full and accurate, the superpotential on-line monitoring system of the superpotential data that the raw data of science is supported.
As preferably, described display screen is the LCDs that has touch controllable function.The display screen of touch controllable function, man-machine interaction is stronger, can arrange fast some common functions.
As improvement, described alarm is that have can be to the alarm of the long-range transmission alerting signal of operator on duty function.This structure can realize remote monitoring, has reduced duty personnel's workload.
Description of drawings
Fig. 1 is the structured flowchart of superpotential on-line monitoring system in the prior art.
As shown in the figure: 1, voltage transformer (VT), 2, the frequency spectrum network analyzer, 3, central processing unit, 4, display screen, 5, secondary cable, 6, alarm, 7, voltage divider.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
By reference to the accompanying drawings 1, a kind of superpotential on-line monitoring system, it comprises voltage transformer (VT) 1, voltage divider 7 and alarm 6, it also comprises frequency spectrum network analyzer 2, central processing unit 3 and display screen 4; Frequency spectrum network analyzer 2 is electrically connected with the signal output part of voltage transformer (VT) 1 and voltage divider 7 respectively, frequency spectrum network analyzer 2 is electrically connected with secondary cable 5 in the electrical network simultaneously, be used for gathering the scattering parameter of voltage transformer (VT) 1, secondary cable 5 and voltage divider 7, the signal output part of frequency spectrum network analyzer 2 is electrically connected with central processing unit 3, also be electrically connected with display screen 4 and alarm 6 on the central processing unit 3, described frequency spectrum network analyzer 2, central processing unit 3, display screen 4 and alarm 6 all are furnished with power supply.Described display screen 4 is for having the LCDs of touch controllable function.Described alarm 6 can be to the alarm of the long-range transmission alerting signal of operator on duty function for having.
The utility model in the specific implementation, described voltage transformer (VT) 1, voltage divider 7, alarm 6, frequency spectrum network analyzer 2, display screen 4 have ripe commercially available prod, described central processing unit 3 can adopt the single-chip microcomputer of band data storage function or be superior to the processor of single-chip microcomputer, as arm processor etc.Described secondary cable 5 is those skilled in the art general knowledge, the concrete operation method of gathering the scattering parameter of voltage transformer (VT) 1, secondary cable 5 and voltage divider 7 with the frequency spectrum network analyzer also belongs to those skilled in the art general knowledge of electric power online monitoring field, no longer describes in detail herein.Being exactly the power supply of the consuming parts in the described on-line monitoring system in addition, generally is to adopt the unified power supply of 220V alternating current, if having self-powered or can be directly by the transformer induction power supply, then power supply voluntarily.Alarm 6 can adopt the audible-visual annunciator that has GPRS transmission of wireless signals function.
More than the utility model and embodiment thereof are described, this description does not have restricted, shown in the accompanying drawing also is one of embodiment of the present utility model, practical structure is not limited thereto.If generally speaking those of ordinary skill in the art is enlightened by it, under the situation that does not break away from the utility model creation aim, without the creationary frame mode similar to this technical scheme and the embodiment of designing, all should belong to protection domain of the present utility model.

Claims (3)

1. superpotential on-line monitoring system, it comprises voltage transformer (VT) (1), voltage divider (7) and alarm (6), it is characterized in that: it also comprises frequency spectrum network analyzer (2), central processing unit (3) and display screen (4); Frequency spectrum network analyzer (2) is electrically connected with the signal output part of voltage transformer (VT) (1) and voltage divider (7) respectively, frequency spectrum network analyzer (2) is electrically connected with secondary cable (5) in the electrical network simultaneously, be used for gathering voltage transformer (VT) (1), the scattering parameter of secondary cable (5) and voltage divider (7), the signal output part of frequency spectrum network analyzer (2) is electrically connected with central processing unit (3), also be electrically connected with display screen (4) and alarm (6) on the central processing unit (3), described frequency spectrum network analyzer (2), central processing unit (3), display screen (4) and alarm (6) all are furnished with power supply.
2. superpotential on-line monitoring system according to claim 1 is characterized in that: described display screen (4) is for having the LCDs of touch controllable function.
3. superpotential on-line monitoring system according to claim 1 is characterized in that: described alarm (6) can be to the alarm of the long-range transmission alerting signal of operator on duty function for having.
CN 201320220793 2013-04-27 2013-04-27 Overvoltage on-line monitoring system Expired - Fee Related CN203178350U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320220793 CN203178350U (en) 2013-04-27 2013-04-27 Overvoltage on-line monitoring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320220793 CN203178350U (en) 2013-04-27 2013-04-27 Overvoltage on-line monitoring system

Publications (1)

Publication Number Publication Date
CN203178350U true CN203178350U (en) 2013-09-04

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320220793 Expired - Fee Related CN203178350U (en) 2013-04-27 2013-04-27 Overvoltage on-line monitoring system

Country Status (1)

Country Link
CN (1) CN203178350U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103618287A (en) * 2013-12-06 2014-03-05 国家电网公司 Lightning protection method and system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103618287A (en) * 2013-12-06 2014-03-05 国家电网公司 Lightning protection method and system

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130904

Termination date: 20150427