CN109142916A - Electric energy quality monitoring system - Google Patents
Electric energy quality monitoring system Download PDFInfo
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- CN109142916A CN109142916A CN201810850545.XA CN201810850545A CN109142916A CN 109142916 A CN109142916 A CN 109142916A CN 201810850545 A CN201810850545 A CN 201810850545A CN 109142916 A CN109142916 A CN 109142916A
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- 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
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Abstract
The invention discloses the modules such as a kind of electric energy quality monitoring system, including electrical energy data acquiring module；Advantages of the present invention has: can be measured in real time to power quality problem; to ensure resident and commercial power demand; and while detecting abnormal power quality; it can provide power compensation; stream calculation is coupled with system; high-performance transformation effectively has been carried out to the transmission of traditional earth signal; interference can be reduced while guaranteeing monitoring data; protective relaying maloperation work is prevented; and then the safe operation of grid monitoring system is improved, to reduce due to power quality is abnormal, bring is lost.
Description
Technical field
The invention belongs to power equipment monitoring technical fields.More particularly to a kind of electric energy quality monitoring system.
Background technique
The people require to be continuously improved to quality of life, it is necessary to improve power quality, monitoring becomes the work of various regions Utilities Electric Co.
Make emphasis, accident caused by serious power quality problem happens occasionally, and causes the loss of manpower, material resources and financial resources, therefore to electricity
Energy quality carries out accurately and fast and the monitoring of actual time safety is very important.But power quality prison in the prior art
Examining system all only has the function of power quality in monitoring electric system, and the unstable of power quality causes waste of energy, efficiency
It is low.
Summary of the invention
The purpose of the invention is to overcome above-mentioned deficiency to provide a kind of electric energy quality monitoring system.
A kind of electric energy quality monitoring system, including following part: electrical energy data acquiring module, for monitoring the items of terminal
Power index；Electric energy quality monitoring center, for controlling the operation of monitoring device and to the concentration of the whole network power quality index
Supervision and management；Enquiry module, for realizing remote inquiry the whole network power quality state；Power quality compensation module, for surveying
Out while abnormal power quality, power compensation is provided and achievees the purpose that balance power quality with this；Electromagnetism relay module, is used for
Control the work of power quality compensation module, which is characterized in that the electrical energy data acquiring module and electric energy quality monitoring center it
Between carry out communication interaction, the electromagnetism relay module and electric energy quality monitoring center carry out communication interaction, the power quality prison
Measured center and enquiry module carry out communication interaction, and the power quality compensation module and electromagnetism relay module carry out communication interaction.
Further, high-definition camera module is integrated in the electrical energy data acquiring module.
It further, further include alarm module, for issuing alarm signal, the report while measuring abnormal power quality
Alert module and electric energy quality monitoring center carry out communication interaction, and the enquiry module and enquiry module carry out communication interaction.
Further, between electric energy quality monitoring center and electrical energy data acquiring module further include:
Interface provides module, for the monitoring data based on each electrical energy data acquiring module, and the shape serviced with Web
Formula is provided out monitoring data access interface；
Data flow conversion module, the monitoring number for being provided using electrical energy data acquiring module using Kafka as middleware
Real-time Monitoring Data is constantly obtained according to access interface and metaplasia is Monitoring data flow in temporal sequence；
Data set division module, the Monitoring data flow for subscribing to Kafka offer generate monitoring discrete data, temporally
Interval is divided into the monitoring elasticity distribution formula data set with time series tissue；
Distribution module is put down as unit of monitoring region for will monitor the monitoring object data in elasticity distribution formula data set
It is assigned to each electrical energy data acquiring module to be handled, processing result is back to electric energy quality monitoring center again.
Further, the data flow conversion module comprises the following modules:
Module is obtained, all electrical energy data acquiring modules are obtained by monitoring data access interface for middleware Kafka
And data format, and uninterruptedly electrical energy data acquiring module Real-time Monitoring Data is obtained using monitoring data access interface
It takes,
Conversion module gets Real-time Monitoring Data for the data cleansing of XML format to be converted to key assignments form, in
Between part Kafka utilize flow data issuing interface, in a manner of the key assignments organized in temporal sequence by monitoring data publication be converted into prison
Measured data stream.
Further, the electromagnetism relay module comprises the following modules:
Equivalent modules, the waveform amplification conduct etc. for choosing electromagnetism relay module 0-1 period single pulse initial time
Waveform is imitated, according to electromagnetism relay module single pulse waveform, electromagnetism relay module waveform is equivalent to fold on power-frequency voltage component
Increase frequency Decay Rate wave；
Local link block, for high to the data on power-frequency voltage component in overlapped high-frequency Decay Rate wave around extreme value
This function carries out local connection；
Global link block constitutes global contiguous function for connecting obtained connected local functions, so that
The expression formula and junction curve of connection are coincide, and show that the control signal of electromagnetism relay module is exported to power quality compensation module.
Advantages of the present invention has: power quality problem can be measured in real time, to ensure resident and commercial power demand,
It and while detecting abnormal power quality, that is, can provide power compensation, stream calculation coupled with system, effectively
Ground has carried out high-performance transformation to the transmission of traditional earth signal, can reduce interference while guaranteeing monitoring data, prevent relay
Protection misoperation, and then the safe operation of grid monitoring system is improved, to reduce due to power quality is abnormal, bring is damaged
It loses.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of electric energy quality monitoring system of the present invention.
Specific embodiment
Below in conjunction with specific embodiment, the present invention is further illustrated:
A kind of electric energy quality monitoring system, including following part: electrical energy data acquiring module, for monitoring the items of terminal
Power index；Electric energy quality monitoring center, for controlling the operation of monitoring device and to the concentration of the whole network power quality index
Supervision and management；Enquiry module, for realizing remote inquiry the whole network power quality state；Power quality compensation module, for surveying
Out while abnormal power quality, power compensation is provided and achievees the purpose that balance power quality with this；Electromagnetism relay module, is used for
Control the work of power quality compensation module, which is characterized in that the electrical energy data acquiring module and electric energy quality monitoring center it
Between carry out communication interaction, the electromagnetism relay module and electric energy quality monitoring center carry out communication interaction, the power quality prison
Measured center and enquiry module carry out communication interaction, and the power quality compensation module and electromagnetism relay module carry out communication interaction.
High-definition camera module is integrated in the electrical energy data acquiring module.
It further include alarm module, for issuing alarm signal, the alarm module while measuring abnormal power quality
Communication interaction is carried out with electric energy quality monitoring center, the enquiry module and enquiry module carry out communication interaction.
Between electric energy quality monitoring center and electrical energy data acquiring module further include:
Interface provides module, for the monitoring data based on each electrical energy data acquiring module, and the shape serviced with Web
Formula is provided out monitoring data access interface；
Data flow conversion module, the monitoring number for being provided using electrical energy data acquiring module using Kafka as middleware
Real-time Monitoring Data is constantly obtained according to access interface and metaplasia is Monitoring data flow in temporal sequence；
Data set division module, the Monitoring data flow for subscribing to Kafka offer generate monitoring discrete data, temporally
Interval is divided into the monitoring elasticity distribution formula data set with time series tissue；
Distribution module is put down as unit of monitoring region for will monitor the monitoring object data in elasticity distribution formula data set
It is assigned to each electrical energy data acquiring module to be handled, processing result is back to electric energy quality monitoring center again.
The data flow conversion module comprises the following modules:
Module is obtained, all electrical energy data acquiring modules are obtained by monitoring data access interface for middleware Kafka
And data format, and uninterruptedly electrical energy data acquiring module Real-time Monitoring Data is obtained using monitoring data access interface
It takes,
Conversion module gets Real-time Monitoring Data for the data cleansing of XML format to be converted to key assignments form, in
Between part Kafka utilize flow data issuing interface, in a manner of the key assignments organized in temporal sequence by monitoring data publication be converted into prison
Measured data stream.
The electromagnetism relay module comprises the following modules:
Equivalent modules, the waveform amplification conduct etc. for choosing electromagnetism relay module 0-1 period single pulse initial time
Waveform is imitated, according to electromagnetism relay module single pulse waveform, electromagnetism relay module waveform is equivalent to fold on power-frequency voltage component
Increase frequency Decay Rate wave；
Local link block, for high to the data on power-frequency voltage component in overlapped high-frequency Decay Rate wave around extreme value
This function carries out local connection；
Global link block constitutes global contiguous function for connecting obtained connected local functions, so that
The expression formula and junction curve of connection are coincide, and show that the control signal of electromagnetism relay module is exported to power quality compensation module.
A kind of electric energy quality monitoring method, comprising the following steps:
001, to electrical energy data acquiring module, electric energy quality monitoring center, enquiry module, power quality compensation module, electricity
Magnetic relay module and alarm module carry out networking；
002, judge whether above-mentioned networking succeeds, if it is turn in next step, if otherwise returning to previous step continues networking
The step of；
003, electrical energy data acquiring module acquires power quality data, and power quality data is periodically sent to electric energy matter
Measure monitoring center；
004, electric energy quality monitoring center compares received power quality data with the power quality threshold value prestored,
When threshold value of the power quality data beyond setting, electric energy quality monitoring center is instructed to electromagnetism relay module sending action, electricity
Magnetic relay module controls the work of power quality compensation module according to the instruction, achievees the purpose that balance power quality with this；
005, judge such as to wrap in the information of the power quality level of current electric energy quality monitoring net whether comprising protection act
Containing going to step 006,007 is gone to step if not including；
006, electric energy quality monitoring net state data include protection act, and illustrating electric energy quality monitoring net, there are failure, electricity
Energy data acquisition module carries out instantaneous record to the power quality data respectively monitored, and high-definition camera module is to pair when breaking down
The instantaneous storage of power quality data is recorded a video, and easy access personnel are after the reparation of electric energy quality monitoring net to current power quality
Data are judged and are learnt, and then go to step 008；
007, electric energy quality monitoring net state data do not include protection act, illustrate that electric energy quality monitoring net is normal, then
Go to step 008；
008, electric energy quality monitoring center encrypts historical data after saving historical data, and staff can pass through inquiry
Remotely access is decrypted to the historical data saved in electric energy quality monitoring center in module.
High-definition camera module is integrated in the electrical energy data acquiring module.
In the step 004 when threshold value of the power quality data beyond setting, alarm module issues alarm signal.
In the step 003 specifically includes the following steps:
031. monitoring data based on each electrical energy data acquiring module, and monitoring is provided out in the form of Web service
Data access interface；
032. using Kafka as middleware, and the monitoring data access interface provided using electrical energy data acquiring module is continuous
It obtains Real-time Monitoring Data and metaplasia is Monitoring data flow in temporal sequence；
033., which subscribes to the Monitoring data flow that Kafka is provided, generates monitoring discrete data, and be divided into has at timed intervals
The monitoring elasticity distribution formula data set of time series tissue；
034. is evenly distributed to the monitoring object data monitored in elasticity distribution formula data set as unit of monitoring region
Each electrical energy data acquiring module is handled, and processing result is back to electric energy quality monitoring center again.
In the step 032, middleware Kafka obtains all electrical energy data acquiring modules by monitoring data access interface
And data format, and uninterruptedly electrical energy data acquiring module Real-time Monitoring Data is obtained using monitoring data access interface
It takes, and the data cleansing of XML format is converted into key assignments form, after getting Real-time Monitoring Data, middleware Kafka is utilized
Flow data issuing interface converts Monitoring data flow for monitoring data publication in a manner of the key assignments organized in temporal sequence.
Electromagnetism relay module controls the work of power quality compensation module according to the instruction in the step 004 specifically:
The waveform amplification of electromagnetism relay module 0-1 period single pulse initial time is chosen as equivalent waveform；
According to electromagnetism relay module single pulse waveform, electromagnetism relay module waveform is equivalent to fold on power-frequency voltage component
Increase frequency Decay Rate wave；
Part is carried out with Gaussian function to the data on power-frequency voltage component in overlapped high-frequency Decay Rate wave around extreme value to connect
It connects；
Obtained connected local functions are connected, global contiguous function is constituted, so that the expression formula of connection and company
It connects curve to coincide, show that the control signal of electromagnetism relay module is exported to power quality compensation module.
Claims (6)
1. a kind of electric energy quality monitoring system, including following part: electrical energy data acquiring module, for monitoring the items electricity of terminal
It can index；Electric energy quality monitoring center, for controlling the operation of monitoring device and being supervised to the concentration of the whole network power quality index
Superintend and direct management；Enquiry module, for realizing remote inquiry the whole network power quality state；Power quality compensation module, for measuring
While abnormal power quality, power compensation is provided and achievees the purpose that balance power quality with this；Electromagnetism relay module, for controlling
Power quality compensation module work processed, which is characterized in that between the electrical energy data acquiring module and electric energy quality monitoring center
Communication interaction is carried out, the electromagnetism relay module and electric energy quality monitoring center carry out communication interaction, the electric energy quality monitoring
Center and enquiry module carry out communication interaction, and the power quality compensation module and electromagnetism relay module carry out communication interaction.
2. electric energy quality monitoring system according to claim 1, it is characterised in that collect in the electrical energy data acquiring module
At high-definition camera module.
3. electric energy quality monitoring system according to claim 1 or 2, it is characterised in that further include alarm module, be used for
Alarm signal is issued while measuring abnormal power quality, the alarm module and electric energy quality monitoring center carry out communication friendship
Mutually, the enquiry module and enquiry module carry out communication interaction.
4. electric energy quality monitoring system according to claim 1 or 2 or 3, it is characterised in that electric energy quality monitoring center and
Between electrical energy data acquiring module further include:
Interface provides module, for the monitoring data based on each electrical energy data acquiring module, and it is outside in the form of Web service
Monitoring data access interface is provided；
Data flow conversion module, for being visited using the monitoring data that electrical energy data acquiring module provides using Kafka as middleware
Ask that interface constantly obtains Real-time Monitoring Data and metaplasia is Monitoring data flow in temporal sequence；
Data set division module, the Monitoring data flow for subscribing to Kafka offer generate monitoring discrete data, at timed intervals
It is divided into the monitoring elasticity distribution formula data set with time series tissue；
Distribution module, for the monitoring object data in elasticity distribution formula data set will to be monitored to monitor region as unit average mark
It is fitted on each electrical energy data acquiring module to be handled, processing result is back to electric energy quality monitoring center again.
5. electric energy quality monitoring system according to claim 4, it is characterised in that the data flow conversion module include with
Lower module:
Obtain module, for middleware Kafka by monitoring data access interface obtain all electrical energy data acquiring modules and
Data format, and uninterruptedly electrical energy data acquiring module Real-time Monitoring Data is obtained using monitoring data access interface,
Conversion module gets Real-time Monitoring Data, middleware for the data cleansing of XML format to be converted to key assignments form
Kafka utilizes flow data issuing interface, converts monitoring number for monitoring data publication in a manner of the key assignments organized in temporal sequence
According to stream.
6. electric energy quality monitoring system according to claim 5, it is characterised in that the electromagnetism relay module includes following
Module:
Equivalent modules, for choosing the waveform amplification of electromagnetism relay module 0-1 period single pulse initial time as equivalent wave
Electromagnetism relay module waveform is equivalent to be superimposed on power-frequency voltage component high by shape according to electromagnetism relay module single pulse waveform
Frequency Decay Rate wave；
Local link block, for the data Gaussian function on power-frequency voltage component in overlapped high-frequency Decay Rate wave around extreme value
Number carries out local connection；
Global link block constitutes global contiguous function, so that connection for connecting obtained connected local functions
Expression formula and junction curve coincide, show that the control signal of electromagnetism relay module is exported to power quality compensation module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810850545.XA CN109142916A (en) | 2018-07-28 | 2018-07-28 | Electric energy quality monitoring system |
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| CN201810850545.XA CN109142916A (en) | 2018-07-28 | 2018-07-28 | Electric energy quality monitoring system |
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Cited By (2)
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| CN111123005A (en) * | 2019-12-26 | 2020-05-08 | 深圳供电局有限公司 | Power quality monitoring system for outgoing line position of power distribution room user |
| CN117074783A (en) * | 2023-10-12 | 2023-11-17 | 国网吉林省电力有限公司通化供电公司 | Real-time monitoring and early warning method for overheat state of power equipment |
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