CN107359609B - The monitoring method and device of abnormal voltage in electric system - Google Patents
The monitoring method and device of abnormal voltage in electric system Download PDFInfo
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- CN107359609B CN107359609B CN201710543148.3A CN201710543148A CN107359609B CN 107359609 B CN107359609 B CN 107359609B CN 201710543148 A CN201710543148 A CN 201710543148A CN 107359609 B CN107359609 B CN 107359609B
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- abnormal voltage
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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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
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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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
Abstract
The invention discloses the monitoring methods and device of abnormal voltage in a kind of electric system, it is related to field of power, main purpose be solve due to different filters, compensator inhibit voltage rise sharply rapid drawdown when effect it is different, and in different types of production process power system voltage requirement it is also different, still be present with power failure in short-term, voltage is raised and lowered, it is long-term it is previous be still present with power failure, apparatus overheat and the problem of phenomena such as burn.Technical solution includes：The voltage data that the voltage monitoring equipment being located on different monitoring positions is sent is received according to the first prefixed time interval；Judge whether the voltage data matches with default abnormal voltage；If matching, extract abnormal voltage corresponding with the situation of change of the voltage data and inhibit rule；Rule is inhibited according to the abnormal voltage and starts abnormal voltage inhibition equipment corresponding with the monitoring position of the voltage data.
Description
Technical field
The present invention relates to the monitoring methods and dress of abnormal voltage in field of power more particularly to a kind of electric system
It puts.
Background technology
With the comprehensive popularization automated in industrial processes, the electric system in factory whether run well progressively into
For producer's focus of attention.It can make for power failure, voltage swells or the rapid drawdown in production process as caused by electric system in short-term
Phenomena such as being present with unnecessary power failure, apparatus overheat in some special industry production processes is obtained, so as to cause circuit, member
Part is burnt.
At present, power failure in short-term, voltage swells or the rapid drawdown in electric system cause the reason is that may be harmonic wave, voltage wave
Caused by dynamic, flickering or the appearance of three-phase imbalance, existing suppressing method is only connect harmonic filtration device and compensator,
Due to different filters, compensator inhibit voltage rise sharply rapid drawdown when effect it is different, and in different types of production process
The requirement of power system voltage is also different, is still present with power failure in short-term, voltage is raised and lowered, and still can in the past for a long time
Occur power failure, apparatus overheat and phenomena such as burn.
The content of the invention
In view of the above problems, it is proposed that the monitoring method and dress of the invention in order to provide abnormal voltage in a kind of electric system
Put, main purpose be solve due to different filters, compensator inhibit voltage rise sharply rapid drawdown when effect it is different and different
The requirement of power system voltage is also different in the production process of type, is still present with power failure in short-term, the rise of voltage or drop
It is low, it is long-term previous be still present with power failure, apparatus overheat and the problem of phenomena such as burn.
By above-mentioned technical proposal, the monitoring method of abnormal voltage in a kind of electric system provided by the invention, including：
The voltage number that the voltage monitoring equipment being located on different monitoring positions is sent is received according to the first prefixed time interval
According to the different monitoring positions are that occur the position that abnormal voltage number is more than predetermined voltage threshold in electric system；
Judge whether the voltage data matches with default abnormal voltage, the abnormal voltage is electric system carrying electricity
Pressure rise and/or the maximum and/or minimum value and anomalous variation voltage reduced；
If matching, extract abnormal voltage corresponding with the situation of change of the voltage data and inhibit rule, the exception
Voltage inhibits rule and is used to abnormal voltage being adjusted to normal voltage；
Rule is inhibited according to the abnormal voltage and starts abnormal voltage suppression corresponding with the monitoring position of the voltage data
Control equipment, the abnormal voltage inhibit equipment include it is a kind of or a variety of in compensator, capacitor, wave filter between series connection,
And/or parallel combination.
Further, it is described judge the voltage data and default abnormal voltage whether match including：
Determine the industrial type and monitoring object device type belonging to current power system；
It is corresponding with the industrial type and the device type default to judge whether the voltage data is greater than or equal to
Voltage max and/or judge the voltage data whether be less than or equal to and the industrial type and the device type pair
The predeterminated voltage minimum value answered.
Further, if the matching, extract abnormal voltage corresponding with the situation of change of the voltage data and inhibit
Rule includes：
If the voltage data is greater than or equal to predeterminated voltage maximum corresponding with the industrial type and device type,
And/or the voltage data is less than or equal to predeterminated voltage minimum value corresponding with the industrial type and the device type,
Then determine the situation of change of the voltage data；
It chooses abnormal voltage corresponding with the situation of change and the industrial type and device type and inhibits rule
Further, the abnormal voltage, which inhibits rule, includes different industrial types, distinct device type and different voltages
The corresponding series connection of data situation, and/or parallel ruler.
Further, according to the second prefixed time interval, the voltage monitoring equipment hair being located on different monitoring positions is received
The voltage data sent, second prefixed time interval are more than the first prefixed time interval；
Judge whether the voltage data matches with default abnormal voltage；
If meet, it is determined that current power system is abnormal conditions, is sent a warning message, and the warning information includes monitoring
Position, the voltage data.
By above-mentioned technical proposal, the monitoring device of abnormal voltage in a kind of electric system provided by the invention, including：
First receiving unit, for receiving the voltage monitoring being located on different monitoring positions according to the first prefixed time interval
The voltage data that equipment is sent, the different monitoring positions are that occur abnormal voltage number in electric system more than predeterminated voltage threshold
The position of value；
First judging unit, for judging whether the voltage data matches with default abnormal voltage, the exception is electric
It presses and carries voltage rise and/or the maximum and/or minimum value and anomalous variation voltage that reduce for electric system；
If extraction unit for matching, extracts abnormal voltage corresponding with the situation of change of the voltage data and inhibits
Rule, the abnormal voltage inhibit rule and are used to abnormal voltage being adjusted to normal voltage；
Start unit, it is corresponding with the monitoring position of the voltage data for inhibiting rule startup according to the abnormal voltage
Abnormal voltage inhibit equipment, the abnormal voltage inhibit equipment include it is a kind of or a variety of in compensator, capacitor, wave filter
Between series connection, and/or parallel combination.
Further, the judging unit includes：
First determining module, for determining the industrial type and monitoring object device type belonging to current power system；
Judgment module, for judging whether the voltage data is greater than or equal to and the industrial type and the equipment class
The corresponding predeterminated voltage maximum of type and/or judge the voltage data whether be less than or equal to and the industrial type and institute
State the corresponding predeterminated voltage minimum value of device type.
Further, the extraction unit includes：
Second determining module, if being greater than or equal to for the voltage data corresponding with the industrial type and device type
Predeterminated voltage maximum and/or the voltage data be less than or equal to it is corresponding with the industrial type and the device type
Predeterminated voltage minimum value, it is determined that the situation of change of the voltage data；
Module is chosen, for choosing abnormal voltage corresponding with the situation of change and the industrial type and device type
Inhibit rule.
Further, the abnormal voltage, which inhibits rule, includes different industrial types, distinct device type and different voltages
The corresponding series connection of data situation, and/or parallel ruler.
Further, described device further includes：
Second receiving unit, for according to the second prefixed time interval, receiving the voltage prison being located on different monitoring positions
The voltage data that measurement equipment is sent, second prefixed time interval are more than the first prefixed time interval；
Secondly judging unit, for judging whether the voltage data matches with default abnormal voltage；
Determination unit, if for meeting, it is determined that current power system is abnormal conditions, is sent a warning message, the announcement
Alert information includes monitoring position, the voltage data.
The monitoring method and device of abnormal voltage in a kind of electric system provided in an embodiment of the present invention, first, in accordance with first
Prefixed time interval receives the voltage data that the voltage monitoring equipment being located on different monitoring positions is sent, the different monitoring positions
It is to occur the position that abnormal voltage number is more than predetermined voltage threshold in electric system to put, then judge the voltage data with it is pre-
If abnormal voltage whether match, the abnormal voltage for electric system carry voltage rise and/or reduce maximum and/or
Minimum value and anomalous variation voltage if matching, extract abnormal voltage suppression corresponding with the situation of change of the voltage data
System rule, the abnormal voltage inhibits rule and is used to abnormal voltage being adjusted to normal voltage, finally according to the abnormal voltage
Inhibit rule and start abnormal voltage inhibition equipment corresponding with the monitoring position of the voltage data, the abnormal voltage inhibition is set
Standby series connection, and/or parallel combination including between a kind of or a variety of in compensator, capacitor, wave filter.With it is existing only
It is that series connection harmonic filtration device and compensator inhibit voltage cataclysm and compare, the embodiment of the present invention receives monitoring position by judging
Whether voltage data meets default abnormal voltage, inhibits if so, extracting abnormal voltage according to the situation of change of voltage data
Rule inhibits equipment to start the corresponding abnormal voltage of voltage data according to this rule, realizes before cataclysm occurs in voltage,
Voltage is reduced or raised in time, reduces the situation that power failure, voltage swells or rapid drawdown in short-term occur, realizes and reach danger in voltage
Remedied in time during dangerous voltage value, so as to avoid power failure, apparatus overheat and phenomena such as burn.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, and in order to allow above and other objects of the present invention, feature and advantage can
It is clearer and more comprehensible, below the special specific embodiment for lifting the present invention.
Description of the drawings
By reading the detailed description of hereafter preferred embodiment, it is various other the advantages of and benefit it is common for this field
Technical staff will be apparent understanding.Attached drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings：
Fig. 1 shows the flow chart of the monitoring method of abnormal voltage in a kind of electric system provided in an embodiment of the present invention；
Fig. 2 shows the flow of the monitoring method of abnormal voltage in another electric system provided in an embodiment of the present invention
Figure；
Fig. 3 shows the block diagram of the monitoring device of abnormal voltage in a kind of electric system provided in an embodiment of the present invention；
Fig. 4 shows the box of the monitoring device of abnormal voltage in another electric system provided in an embodiment of the present invention
Figure.
Specific embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although the disclosure is shown in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
Completely it is communicated to those skilled in the art.
The embodiment of the present invention provides a kind of monitoring method of abnormal voltage in electric system, as shown in Figure 1, the method bag
It includes：
101st, the electricity that the voltage monitoring equipment being located on different monitoring positions is sent is received according to the first prefixed time interval
Press data.
Wherein, the different monitoring positions are that occur the position that abnormal voltage number is more than predetermined voltage threshold in electric system
It puts, first prefixed time interval is the time interval of receiving voltage data, and the voltage data is between the first preset time
Every all numerical value that interior voltage value changes over time, the voltage monitoring equipment is for detection and recording voltage data, the prison
Location is put judges that voltage swells, rapid drawdown and the position of power-off occur in some positions in electric system particular by pre-selection,
The number that abnormal voltage occur in these positions is more than predetermined voltage threshold, and such as more than 2 times or more than 3 times, predeterminated voltage is predisposed to
The one group of maximum and minimum, the concrete numerical value embodiment of the present invention that circuit can be born in electric system are not specifically limited.
It should be noted that in recording voltage data, while need to record voltage change situation, as frequency is inclined
Difference, voltage deviation, voltage fluctuation and flicker, three-phase imbalance, transient state or transient overvoltage, wave distortion (harmonic wave), voltage are temporary
Drop, temporarily interruption, liter and supply voltage continuity etc., will pass through these situations to determine whether belonging to abnormal voltage.In addition,
The executive agent of current receiving voltage data can be server of the configuration at electric power system control end, and the embodiment of the present invention is not done
It is specific to limit.
102nd, judge whether the voltage data matches with default abnormal voltage.
Wherein, the abnormal voltage carries voltage rise and/or the maximum and/or minimum value that reduce for electric system,
And anomalous variation voltage, maximum, the minimum value of the carrying voltage are according to the particular use of current power system and defeated
The corresponding loading condition of power transmission energy is configured, and the concrete numerical value embodiment of the present invention is not specifically limited.The anomalous variation electricity
Pressure can include frequency departure, voltage deviation, voltage fluctuation and flicker, three-phase imbalance, transient state or transient overvoltage, and waveform is abnormal
Become (harmonic wave), voltage dip, temporarily interruption, liter and supply voltage continuity etc., and for the maximum and voltage of voltage swells
The minimum value of rapid drawdown can be set according to the different demands of different electric power, and the embodiment of the present invention is not specifically limited.
It should be noted that the electric system in different industries and factory is different to the setting of abnormal voltage, and
The maximum and minimum value for the voltage that can be carried are also different, thus need when setting abnormal voltage technical staff according to
Concrete condition is set.
If the 103, matching, extract abnormal voltage corresponding with the situation of change of the voltage data and inhibit rule.
Wherein, the abnormal voltage inhibits rule for abnormal voltage to be adjusted to normal voltage, the voltage data
There is the concrete condition of abnormal voltage for voltage within a certain period of time in situation of change, for example, there is the number of harmonic wave, harmonic wave it is big
It is small or the fluctuation size of voltage fluctuation, number of flickering etc. occur.
It should be noted that it can be to inhibit the strategy that equipment is combined to abnormal voltage that abnormal voltage, which inhibits rule,
So as to fulfill the purpose that abnormal voltage is adjusted to normal voltage.For example, the connection in series-parallel strategy between wave filter and capacitor.
For the embodiment of the present invention, step arranged side by side is with step 103：If the voltage data and default abnormal voltage
It mismatches, then return to step 101.
104th, it is electric according to abnormal voltage inhibition rule startup exception corresponding with the monitoring position of the voltage data
Constrain control equipment.
Wherein, the abnormal voltage inhibit equipment include it is a kind of or a variety of in compensator, capacitor, wave filter between
Series connection, and/or parallel combination, specifically combine the object that can be monitored as needed and determine.
It should be noted that due to different voltage dips or rising sharply different influences being generated to different equipment, supervise
Location, which is put can be only fitted to, needs monitoring voltage data equipment or circuit from nearer position is obtained, for example, for cooling electronic control
Device processed, when voltage is 0.8Ue, controller action cuts off refrigeration motor, causes huge economic loss, it is therefore desirable to make
Cold electronic controller nearby configures voltage sensor and abnormal voltage inhibits equipment.
The monitoring method of abnormal voltage in a kind of electric system provided in an embodiment of the present invention is only connected with existing
Harmonic filtration device and compensator inhibit voltage cataclysm and compare, and the embodiment of the present invention receives the voltage number for monitoring position by judging
According to whether default abnormal voltage is met, if so, extracting abnormal voltage according to the situation of change of voltage data inhibits rule, root
Inhibit equipment to start the corresponding abnormal voltage of voltage data according to this rule, realize before cataclysm occurs in voltage, drop in time
Low or rise voltage reduces the situation that power failure, voltage swells or rapid drawdown in short-term occur, realizes and reach dangerous voltage in voltage
Remedied in time during value, so as to avoid power failure, apparatus overheat and phenomena such as burn.
The embodiment of the present invention additionally provides the monitoring method of abnormal voltage in another electric system, as shown in Fig. 2, described
Method includes：
201st, the electricity that the voltage monitoring equipment being located on different monitoring positions is sent is received according to the first prefixed time interval
Press data.
This step is identical with step 101 method shown in FIG. 1, and details are not described herein.
202nd, the industrial type and monitoring object device type belonging to current power system are determined.
Wherein, wind-powered electricity generation, light in terms of the industrial type includes metallurgical industry, chemical industry coal, rail traction and new energy
Volt etc., for different industrial type and factory-configured, the voltage that can be carried in electric system is also different, for example, miner
Forceful electric power that the electric system of enterprise uses, high-voltage electricity, and certain company system then needs light current for the electric system of electronic equipment.It is described
Distinct device of the corresponding device type for the electricity consumption in an electric system is monitored, is generally divided into high pressure or low pressure, direct current or friendship
Stream, the embodiment of the present invention are not specifically limited.For example, certain direct current generator, when voltage is less than 80%Ue, direct current generator is jumped
Lock loses the order of magnitude up to 10,000 dollars every time；And certain programmable controller PLC, when voltage is less than 10%Ue, remain to continue work
Make 15 cycles, when voltage is less than 50%Ue, PLC is stopped, and compared with PLC, the rated voltage of direct current generator is much big
In the rated voltage of PLC.
It should be noted that in order to accurately detect the voltage change situation of object for needing to monitor and abnormal voltage
Inhibit rule, it is necessary to the industrial type and monitoring object device type belonging to current power system clearly be determined, so that it is guaranteed that electric
The variation of pressure will not damage equipment.
203rd, it is corresponding with the industrial type and the device type to judge whether the voltage data is greater than or equal to
Predeterminated voltage maximum and/or judge the voltage data whether be less than or equal to and the industrial type and the equipment class
The corresponding predeterminated voltage minimum value of type.
Wherein, the predeterminated voltage maximum is the maximum for the voltage change that can be carried in electric system, specific to count
Value is set according to technical staff, and the embodiment of the present invention is not specifically limited, for example, the voltage data obtained is electric voltage frequency
The amount of deflection is heavy industry according to industrial type, and device type is certain large-scale lathe, and default voltage max is rated voltage
0.8 times, then judgment bias numerical value whether be more than 0.8 times of rated voltage.Similarly obtain predeterminated voltage minimum value.Pass through judgement
Voltage data is compared with predeterminated voltage maximum, will be minimum so as to which voltage overload situations occurs.
If the 204th, the voltage data is greater than or equal to predeterminated voltage corresponding with the industrial type and device type most
Big value and/or the voltage data are less than or equal to predeterminated voltage corresponding with the industrial type and the device type most
Small value, it is determined that the situation of change of the voltage data.
Wherein, the situation of change of the definite voltage data is to determine voltage data more than predeterminated voltage maximum or low
In the concrete condition of predeterminated voltage minimum value, for example, duration that frequency, voltage suspend after voltage change etc., the embodiment of the present invention
It is not specifically limited.For example, voltage waveform distorts, when the maximum of voltage change is more than predeterminated voltage maximum, really
Determine the frequency of wave distortion and the shape of waveform variation etc..By determining voltage data situation of change, will pass through situation of change
Accurate abnormal voltage of choosing inhibits rule, improves the efficiency for inhibiting abnormal voltage.
For the embodiment of the present invention, the step arranged side by side with step 204：If the voltage data is greater than or equal to and the work
Industry type and the corresponding predeterminated voltage maximum of device type and/or the voltage data are less than or equal to and the industrial class
Type and the corresponding predeterminated voltage minimum value of the device type, then return to step 201.
205th, choose abnormal voltage corresponding with the situation of change and the industrial type and device type and inhibit rule.
Wherein, the abnormal voltage, which inhibits rule, includes different industrial types, distinct device type and different voltages data
The corresponding series connection of situation of change, and/or parallel ruler.When carrying out the configuration of connection in series-parallel rule, it is necessary to consider that different exceptions are electric
Constrain the optimal matching between control equipment.
For example, for power plant 1 corresponding voltage change situation of equipment for brownout, and occur the frequency of low pressure compared with
Greatly, then the mode that connection in series-parallel combines is selected to inhibit rule as abnormal voltage.
It should be noted that for the regulation of power quality, the influence factor of power quality includes conveying electric voltage frequency, electricity
Press deviation, voltage fluctuation and flicker, in short-term and long-term power failure, transient overvoltage, Voltage unbalance, the letter of voltage waveform and power supply
Number voltage etc. in order to improve power quality, inhibits object, therefore, for different using harmonic wave, voltage fluctuation and flicker to be main
The corresponding connection in series-parallel rule of industrial type, distinct device type, different voltage data situations of change is different.
206th, it is electric according to abnormal voltage inhibition rule startup exception corresponding with the monitoring position of the voltage data
Constrain control equipment.
Wherein, the abnormal voltage inhibit equipment include it is a kind of or a variety of in compensator, capacitor, wave filter between
Series connection, and/or parallel combination, it is the equipment near monitoring position that the abnormal voltage, which inhibits equipment, so as in time into
Row inhibits.The compensator can be dynamic reactive compensation device SVC, intelligent idle compensating control, and the capacitor can
Think intelligent capacitor group etc., the wave filter can be active/passive electric-power filter etc., and the embodiment of the present invention, which is not done, to be had
Body limits.Combination for serial or parallel connection is to be configured according to the situation of change and electric system of voltage data, this
Inventive embodiments are not specifically limited.
It should be noted that for the different voltages situation of change in the embodiment of the present invention, the abnormal voltage inhibition is set
It is standby can also include static reactive generator SVG, active voltage quality controller, the anti-shake power-supply system of intelligence, imbalance and
The complexes such as low-voltage improvement, mixed harmonic Reactive-current General Compensation have also carried out intelligent idle compensating control, brilliant lock
Prototypes part, the embodiment of the present invention such as tube module, compensation module, intelligent capacitor group, capacitor, reactor do not do specific limit
It is fixed.
For example, FRE series low voltage dynamic reactive-power compensations cabinet, XJCZK-L480 series inhibit Harmonic Type intelligent capacitor mould
Group, XTSVG inactive reactive-load compensations generator, XTAPF active filters, can be used as abnormal voltage inhibit equipment.
Further, the embodiment of the present invention further includes：According to the second prefixed time interval, receive and be located at different monitoring positions
On voltage monitoring equipment send voltage data；Judge whether the voltage data matches with default abnormal voltage again；
If the voltage data meets default abnormal voltage, it is determined that current power system is abnormal conditions, is sent a warning message.
Wherein, the warning information includes monitoring position, the voltage data, and second prefixed time interval is more than the
One prefixed time interval is to judge whether voltage inhibition works, it is necessary to which whether judge voltage data again is abnormal
Voltage.Usually, after abnormal voltage inhibition processing was carried out, abnormal voltage can disappear or be reduced, if but
It does not disappear or is reduced, then illustrate occur major accident in electric system, then need to send to technical staff and alarm, from
And to carry out detailed examination to electric system.
The monitoring method of abnormal voltage in another kind electric system provided in an embodiment of the present invention, only goes here and there with existing
Connection harmonic filtration device and compensator inhibit voltage cataclysm and compare, and the embodiment of the present invention receives the voltage for monitoring position by judging
Whether data meet default abnormal voltage, if so, extracting abnormal voltage according to the situation of change of voltage data inhibits rule,
Equipment is inhibited to start the corresponding abnormal voltage of voltage data according to this rule, is realized before cataclysm occurs in voltage, in time
Voltage is reduced or raised, reduces the situation that power failure, voltage swells or rapid drawdown in short-term occur, realizes and reach dangerous electricity in voltage
Remedied in time during pressure value, so as to avoid power failure, apparatus overheat and phenomena such as burn.
Further, the specific implementation as method shown in Fig. 1, the embodiment of the present invention provide abnormal in a kind of electric system
The monitoring device of voltage, as shown in figure 3, described device can include：First receiving unit 31, the first judging unit 32, extraction
Unit 33, start unit 34.
First receiving unit 31 is supervised for receiving the voltage being located on different monitoring positions according to the first prefixed time interval
The voltage data that measurement equipment is sent, the different monitoring positions are that occur abnormal voltage number in electric system more than predeterminated voltage
The position of threshold value；
First judging unit 32, for judging whether the voltage data matches with default abnormal voltage, the exception
Voltage carries voltage rise and/or the maximum and/or minimum value and anomalous variation voltage that reduce for electric system；
If extraction unit 33 for matching, extracts abnormal voltage suppression corresponding with the situation of change of the voltage data
System rule, the abnormal voltage inhibit rule and are used to abnormal voltage being adjusted to normal voltage；
Start unit 34, for inhibiting rule startup and the monitoring position pair of the voltage data according to the abnormal voltage
The abnormal voltage answered inhibits equipment.
The monitoring device of abnormal voltage in a kind of electric system provided in an embodiment of the present invention is only connected with existing
Harmonic filtration device and compensator inhibit voltage cataclysm and compare, and the embodiment of the present invention receives the voltage number for monitoring position by judging
According to whether default abnormal voltage is met, if so, extracting abnormal voltage according to the situation of change of voltage data inhibits rule, root
Inhibit equipment to start the corresponding abnormal voltage of voltage data according to this rule, realize before cataclysm occurs in voltage, drop in time
Low or rise voltage reduces the situation that power failure, voltage swells or rapid drawdown in short-term occur, realizes and reach dangerous voltage in voltage
Remedied in time during value, so as to avoid power failure, apparatus overheat and phenomena such as burn.
The device embodiment is corresponding with preceding method embodiment, and for ease of reading, present apparatus embodiment is no longer to foregoing side
Detail content in method embodiment is repeated one by one, it should be understood that the device in the present embodiment can correspond to realize it is foregoing
Full content in embodiment of the method.
Further, the specific implementation as method shown in Fig. 2, the embodiment of the present invention provide different in another electric system
The monitoring device of normal voltage, as shown in figure 4, described device can include：First receiving unit 41, the first judging unit 42 carry
Take unit 43, start unit 44, the second receiving unit 45, second judgment unit 46, determination unit 47.
First receiving unit 41 is supervised for receiving the voltage being located on different monitoring positions according to the first prefixed time interval
The voltage data that measurement equipment is sent, the different monitoring positions are that occur abnormal voltage number in electric system more than predeterminated voltage
The position of threshold value；
First judging unit 42, for judging whether the voltage data matches with default abnormal voltage, the exception
Voltage carries voltage rise and/or the maximum and/or minimum value and anomalous variation voltage that reduce for electric system；
If extraction unit 43 for matching, extracts abnormal voltage suppression corresponding with the situation of change of the voltage data
System rule, the abnormal voltage inhibit rule and are used to abnormal voltage being adjusted to normal voltage；
Start unit 44, for inhibiting rule startup and the monitoring position pair of the voltage data according to the abnormal voltage
The abnormal voltage answered inhibits equipment.
Specifically, first judging unit 42 includes：
First determining module 4201, for determining the industrial type and monitoring object equipment class belonging to current power system
Type；
Judgment module 4202, for judging whether the voltage data is greater than or equal to and the industrial type and described sets
The standby corresponding predeterminated voltage maximum of type and/or judge the voltage data whether less than or equal to and the industrial type
And the corresponding predeterminated voltage minimum value of the device type.
Specifically, the extraction unit 43 includes：
Second determining module 4301, if being greater than or equal to and the industrial type and device type for the voltage data
Corresponding predeterminated voltage maximum and/or the voltage data are less than or equal to and the industrial type and the device type
Corresponding predeterminated voltage minimum value, it is determined that the situation of change of the voltage data；
Module 4302 is chosen, for choosing exception corresponding with the situation of change and the industrial type and device type
Voltage inhibits rule.
Further, described device further includes：
Second receiving unit 45, for according to the second prefixed time interval, receiving the voltage being located on different monitoring positions
The voltage data that monitoring device is sent, second prefixed time interval are more than the first prefixed time interval；
Second judgment unit 46, for judging whether the voltage data matches with default abnormal voltage again；
Determination unit 47, if for meeting, it is determined that current power system is abnormal conditions, is sent a warning message, described
Warning information includes monitoring position, the voltage data.
The monitoring device of abnormal voltage in another kind electric system provided in an embodiment of the present invention, only goes here and there with existing
Connection harmonic filtration device and compensator inhibit voltage cataclysm and compare, and the embodiment of the present invention receives the voltage for monitoring position by judging
Whether data meet default abnormal voltage, if so, extracting abnormal voltage according to the situation of change of voltage data inhibits rule,
Equipment is inhibited to start the corresponding abnormal voltage of voltage data according to this rule, is realized before cataclysm occurs in voltage, in time
Voltage is reduced or raised, reduces the situation that power failure, voltage swells or rapid drawdown in short-term occur, realizes and reach dangerous electricity in voltage
Remedied in time during pressure value, so as to avoid power failure, apparatus overheat and phenomena such as burn.
The device embodiment is corresponding with preceding method embodiment, and for ease of reading, present apparatus embodiment is no longer to foregoing side
Detail content in method embodiment is repeated one by one, it should be understood that the device in the present embodiment can correspond to realize it is foregoing
Full content in embodiment of the method.
In the electric system monitoring device of abnormal voltage include processor and memory, above-mentioned first receiving unit,
First judging unit, extraction unit and start unit etc. in memory, are deposited as program unit storage by processor execution
Above procedure unit in memory is stored up to realize corresponding function.
Comprising kernel in processor, gone in memory to transfer corresponding program unit by kernel.Kernel can set one
Or more, it is to solve inhibiting rising sharply for voltage due to different filters, compensator to carry out main purpose by adjusting kernel parameter
Effect during rapid drawdown is different, and in different types of production process power system voltage requirement it is also different, be still present with short
When power failure, voltage be raised and lowered, it is long-term previous to be still present with power failure, apparatus overheat and asking phenomena such as burn
Topic.
Memory may include computer-readable medium in volatile memory, random access memory (RAM) and/
Or the forms such as Nonvolatile memory, such as read-only memory (ROM) or flash memory (flashRAM), memory includes at least one storage
Chip.
It is first when being performed on data processing equipment, being adapted for carrying out present invention also provides a kind of computer program product
The program code of beginningization there are as below methods step：The voltage being located on different monitoring positions is received according to the first prefixed time interval
The voltage data that monitoring device is sent, the different monitoring positions are that occur abnormal voltage number in electric system more than default electricity
Press the position of threshold value；Judge whether the voltage data matches with default abnormal voltage, the abnormal voltage is electric system
Carry voltage rise and/or the maximum and/or minimum value and anomalous variation voltage that reduce；If matching, extraction with it is described
The corresponding abnormal voltage of situation of change of voltage data inhibits rule, and the abnormal voltage inhibits rule and is used for abnormal voltage tune
Whole is normal voltage；It is electric that rule startup exception corresponding with the monitoring position of the voltage data is inhibited according to the abnormal voltage
Constrain control equipment..
It should be understood by those skilled in the art that, embodiments herein can be provided as method, system or computer program
Product.Therefore, the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware can be used in the application
Apply the form of example.Moreover, the computer for wherein including computer usable program code in one or more can be used in the application
The computer program production that usable storage medium is implemented on (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
The application is with reference to the flow according to the method for the embodiment of the present application, equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that it can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or box in journey and/or box and flowchart and/or the block diagram.These computer programs can be provided
The processor of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that the instruction performed by computer or the processor of other programmable data processing devices is generated for real
The device for the function of being specified in present one flow of flow chart or one box of multiple flows and/or block diagram or multiple boxes.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction generation being stored in the computer-readable memory includes referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one box of block diagram or
The function of being specified in multiple boxes.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted
Series of operation steps is performed on calculation machine or other programmable devices to generate computer implemented processing, so as in computer or
The instruction offer performed on other programmable devices is used to implement in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a box or multiple boxes.
In a typical configuration, computing device includes one or more processors (CPU), input/output interface, net
Network interface and memory.
Memory may include computer-readable medium in volatile memory, random access memory (RAM) and/
Or the forms such as Nonvolatile memory, such as read-only memory (ROM) or flash memory (flashRAM).Memory is computer-readable medium
Example.
Computer-readable medium includes permanent and non-permanent, removable and non-removable media can be by any method
Or technology come realize information store.Information can be computer-readable instruction, data structure, the module of program or other data.
The example of the storage medium of computer includes, but are not limited to phase transition internal memory (PRAM), static RAM (SRAM), moves
State random access memory (DRAM), other kinds of random access memory (RAM), read-only memory (ROM), electric erasable
Programmable read only memory (EEPROM), fast flash memory bank or other memory techniques, read-only optical disc read-only memory (CD-ROM),
Digital versatile disc (DVD) or other optical storages, magnetic tape cassette, the storage of tape magnetic rigid disk or other magnetic storage apparatus
Or any other non-transmission medium, the information that can be accessed by a computing device available for storage.It defines, calculates according to herein
Machine readable medium does not include temporary computer readable media (transitory media), such as data-signal and carrier wave of modulation.
It these are only embodiments herein, be not limited to the application.To those skilled in the art,
The application can have various modifications and variations.All any modifications made within spirit herein and principle, equivalent substitution,
Improve etc., it should be included within the scope of claims hereof.
Claims (8)
1. a kind of monitoring method of abnormal voltage in electric system, which is characterized in that including：
The voltage data that the voltage monitoring equipment being located on different monitoring positions is sent, institute are received according to the first prefixed time interval
It is to occur the position that abnormal voltage number is more than predetermined threshold value in electric system to state different monitoring positions；
Judge whether the voltage data matches with default abnormal voltage, the abnormal voltage carries voltage liter for electric system
Maximum and/or minimum value and anomalous variation voltage high and/or reduce；
If matching, extract abnormal voltage corresponding with the situation of change of the voltage data and inhibit rule, the abnormal voltage
Inhibit rule to be used to abnormal voltage being adjusted to normal voltage；
Inhibit rule startup abnormal voltage inhibition corresponding with the monitoring position of the voltage data according to the abnormal voltage to set
It is standby, the abnormal voltage inhibit equipment include it is a kind of or a variety of in compensator, capacitor, wave filter between series connection, and/or
Parallel combination；
According to the second prefixed time interval, the voltage data that the voltage monitoring equipment being located on different monitoring positions is sent is received,
Second prefixed time interval is more than the first prefixed time interval；
Judge whether the voltage data matches with default abnormal voltage again；
If matching, it is determined that current power system is abnormal conditions, is sent a warning message, and the warning information includes monitoring position
It puts, the voltage data.
2. according to the method described in claim 1, it is characterized in that, described judge the voltage data and default abnormal voltage
Whether matching includes：
Determine the industrial type and monitoring object device type belonging to current power system；
Judge whether the voltage data is greater than or equal to predeterminated voltage corresponding with the industrial type and the device type
Maximum and/or judge the voltage data whether be less than or equal to it is corresponding with the industrial type and the device type
Predeterminated voltage minimum value.
3. if according to the method described in claim 2, it is characterized in that, the matching, extraction and the change of the voltage data
The corresponding abnormal voltage of change situation, which inhibits rule, to be included：
If the voltage data be greater than or equal to predeterminated voltage maximum corresponding with the industrial type and device type and/
Or the voltage data is less than or equal to predeterminated voltage minimum value corresponding with the industrial type and the device type, then really
The situation of change of the fixed voltage data；
It chooses abnormal voltage corresponding with the situation of change and the industrial type and device type and inhibits rule.
4. according to claim 1-3 any one of them methods, which is characterized in that the abnormal voltage, which inhibits rule, includes difference
Industrial type, distinct device type and the corresponding series connection of different voltages data situation, and/or parallel ruler.
5. a kind of monitoring device of abnormal voltage in electric system, which is characterized in that including：
First receiving unit, for receiving the voltage monitoring equipment being located on different monitoring positions according to the first prefixed time interval
The voltage data of transmission, the different monitoring positions are that occur the position that abnormal voltage number is more than predetermined threshold value in electric system
It puts；
First judging unit, for judging whether the voltage data matches with default abnormal voltage, the abnormal voltage is
Electric system carrying voltage rise and/or the maximum and/or minimum value and anomalous variation voltage that reduce；
Extraction unit, if for matching, extraction abnormal voltage corresponding with the situation of change of the voltage data inhibits rule,
The abnormal voltage inhibits rule and is used to abnormal voltage being adjusted to normal voltage；
Start unit, it is corresponding different with the monitoring position of the voltage data for inhibiting rule startup according to the abnormal voltage
Normal voltage suppression device, the abnormal voltage inhibit equipment include it is a kind of or a variety of in compensator, capacitor, wave filter between
Series connection, and/or parallel combination；
Second receiving unit, for according to the second prefixed time interval, receiving the voltage monitoring being located on different monitoring positions and setting
The voltage data that preparation is sent, second prefixed time interval are more than the first prefixed time interval；
Second judgment unit, for judging whether the voltage data matches with default abnormal voltage again；
Determination unit, if for matching, it is determined that current power system is abnormal conditions, is sent a warning message, the alarm letter
Breath includes monitoring position, the voltage data.
6. device according to claim 5, which is characterized in that first judging unit includes：
First determining module, for determining the industrial type and monitoring object device type belonging to current power system；
Judgment module, for judging whether the voltage data is greater than or equal to and the industrial type and the device type pair
The predeterminated voltage maximum answered and/or judge whether the voltage data is less than or equal to and the industrial type and described sets
The corresponding predeterminated voltage minimum value of standby type.
7. device according to claim 6, which is characterized in that the extraction unit includes：
Second determining module, if being greater than or equal to for the voltage data corresponding with the industrial type and device type pre-
If voltage max and/or the voltage data are less than or equal to corresponding pre- with the industrial type and the device type
If voltage minimum, it is determined that the situation of change of the voltage data；
Module is chosen, is inhibited for choosing abnormal voltage corresponding with the situation of change and the industrial type and device type
Rule.
8. according to claim 5-7 any one of them devices, which is characterized in that the abnormal voltage, which inhibits rule, includes difference
Industrial type, distinct device type and the corresponding series connection of different voltages data situation, and/or parallel ruler.
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| CN201710543148.3A CN107359609B (en) | 2017-07-05 | 2017-07-05 | The monitoring method and device of abnormal voltage in electric system |
| PCT/CN2017/112652 WO2019006961A1 (en) | 2017-07-05 | 2017-11-23 | Method and apparatus for monitoring abnormal voltage in power system |
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| CN201710543148.3A CN107359609B (en) | 2017-07-05 | 2017-07-05 | The monitoring method and device of abnormal voltage in electric system |
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| CN107359609B (en) * | 2017-07-05 | 2018-06-05 | 许昌许继昌龙电能科技股份有限公司 | The monitoring method and device of abnormal voltage in electric system |
| CN109815210B (en) * | 2018-12-29 | 2022-04-29 | 河北省科学院应用数学研究所 | Track voltage abnormal data monitoring method and system and terminal equipment |
| CN110929800B (en) * | 2019-11-29 | 2022-10-21 | 四川万益能源科技有限公司 | Business body abnormal electricity utilization detection method based on sax algorithm |
| CN113049871A (en) * | 2019-12-27 | 2021-06-29 | 杭州海康微影传感科技有限公司 | Voltage abnormity monitoring method and device and electronic equipment |
| CN111711190A (en) * | 2020-06-18 | 2020-09-25 | 国网河北省电力有限公司石家庄供电分公司 | Electric power stabilizing system and electric power stabilizing method thereof |
| CN111722061A (en) * | 2020-07-01 | 2020-09-29 | 上海恒敬电力科技有限公司 | But early warning device of remote monitoring power distribution station overvoltage operation |
| CN112147443A (en) * | 2020-09-24 | 2020-12-29 | 国网江苏省电力有限公司徐州供电分公司 | Voltage abnormity type judging method and device, electronic equipment and storage medium |
| CN112946349B (en) * | 2021-01-30 | 2023-01-06 | 惠州华阳通用电子有限公司 | Voltage monitoring method |
| CN115455064A (en) * | 2022-09-20 | 2022-12-09 | 国网浙江义乌市供电有限公司 | Comprehensive energy metering data acquisition and transmission method and system |
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| CN107359609A (en) | 2017-11-17 |
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