CN105307202B - A kind of power distribution automation wireless communication usability evaluation method - Google Patents
A kind of power distribution automation wireless communication usability evaluation method Download PDFInfo
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- CN105307202B CN105307202B CN201510618391.8A CN201510618391A CN105307202B CN 105307202 B CN105307202 B CN 105307202B CN 201510618391 A CN201510618391 A CN 201510618391A CN 105307202 B CN105307202 B CN 105307202B
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- 238000004891 communication Methods 0.000 title claims abstract description 132
- 238000011156 evaluation Methods 0.000 title claims abstract description 33
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/06—Testing, supervising or monitoring using simulated traffic
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Abstract
The invention discloses a kind of power distribution automations to wirelessly communicate usability evaluation method, characterized by the following steps: 1) the characteristics of being communicated according to wireless public network sets the detailed index of simultaneously Calculation Estimation；2) assessment models are established, according to detailed index to the degree of distribution terminal availability impact, different weights is set, and weighing computation results, for assessing the availability of wireless communication, the fundamental formular of calculating is；R=WhereinTo communicate influence degree,For the weight of index, R is the availability of wireless communication terminal；3) it generates assessment report and assessment result is presented, the assessment report uses graphics mode；4) distribution terminal low to availability arranges to lack at scene, improves distribution terminal availability and electrical power distribution automatization system is practical.The present invention is by setting detailed evaluation index, the method evaluated using overall target, to assess the availability of wireless communication, the characteristics of not only can really having reflected wireless communication, but also scientifically assess availability of communications.
Description
Technical field
The present invention relates to power distribution automation fields of communication technology more particularly to a kind of power distribution automation to wirelessly communicate availability
Appraisal procedure.
Background technique
In carrying out Distribution Automation Construction and application process, main website and terminal communication be power distribution automation application whether at
The key factor of function, monitoring, control and the troubleshooting of distribution Running State all rely on communication network to realize, currently, adopting
With EPON(Ethernet passive optical network) technology is undoubtedly a relatively good selection.But due to urban construction and power circuit
The reason of planning, there are the factors such as optical cable construction difficulty, therefore have been considered as radio communication system to realize distribution automation
Data acquisition, wireless public network communication because of its deployment rapidly, coverage rate it is high, without geographical restrictions the features such as, answered in power distribution automation
With more and more.Although wireless public network communication plan is with the obvious advantage, equally exist some disadvantages: communication delay is larger, communicates
Stability difference etc., leads to the distribution terminal using wireless public network communication, and online rate is presented the waveform being on or off, influences distribution
The availability of terminal.
It is not high there are the online rate of terminal but do not influence day-to-day operation data and answer due to the part terminal using wireless communication
With, can also exist the online rate of terminal it is very high but system remote control operation or power grid accident occur when not available phenomenon occurs.Cause
This has certain limitation, Jin Jintong to the distribution terminal availability for evaluating wireless communication using the online rate index of terminal
Crossing the online rate index of terminal accurate evaluation and the problem of judge communication failure and can not analyze the availability of communication.At present
Due to evaluation criterion disunity, also lack the method for evaluation wireless public network availability of communications.
Summary of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides a kind of power distribution automation wireless communication availabilities to comment
The characteristics of estimating method, not only can really having reflected wireless communication, but also scientifically assess availability of communications.
The technical solution adopted by the present invention to solve the technical problems are as follows:
Power distribution automation wirelessly communicates usability evaluation method, it is characterised in that includes the following steps:
1) big, stability difference the feature according to the delay of wireless public network communication channel, sets the detailed index of simultaneously Calculation Estimation；
2) assessment models are established, according to detailed index to the degree of distribution terminal availability impact, each index is set
Weight, the availability R of wireless communication terminal is assessed multiplied by the cumulative mode of communication influence degree according to index weights, wirelessly
The calculation formula of communication terminal availability R is；
R=
3) it generates assessment report and assessment result is presented；
4) distribution terminal low to availability arranges to lack at scene, improves distribution terminal availability and power distribution automation system
System is practical.
As an improvement of the above technical solution, the detailed index of the evaluation includes that terminal is averaged online rate, single terminal
Average online rate, terminal communication channel delay time, terminal communication disruption number, terminal communication interruption time, single wireless mould
Block is averaged online rate, wireless module interruption times.
As an improvement of the above technical solution, the weight of the index, can be into according to power distribution automation operating index result
Row fine tuning, adjusts assessment result.
As an improvement of the above technical solution, the terminal is averaged online rate for the whole online rate situation of evaluation system,
Reflect terminal overall operation situation, its calculation formula is: (examination terminal line duration ÷ (examination terminal number in measurement period
× measurement period the time)) × 100%.
As an improvement of the above technical solution, the single terminal is averaged online rate for evaluating the communication fortune of single terminal
Row situation, calculation formula: (single terminal line duration ÷ measurement period time in measurement period) × 100%.
As an improvement of the above technical solution, the terminal communication channel delay time includes: the delay of terminal communication channel
Maximum time, terminal communication channel delay minimum time and terminal communication channel postpone average time, the terminal communication channel
Delay time is used to evaluate the radio channel delay situation of the terminal；The terminal communication channel delay maximum time numerical value is got over
Greatly, indicate that terminal communication channel delay is serious；Per hour be used as a measurement period, be as a result stored in history library, from main website without
Line number extraction system message is sent beginning timing, and the response message of terminal is received within the response period of setting, calculates response
Time counts terminal communication channel delay maximum time, terminal communication channel delay minimum time and terminal communication channel and prolongs
It is average late.
As an improvement of the above technical solution, the terminal communication disruption number can be used for evaluating the radio channel of the terminal
Stability state, interruption times are bigger, represent that the terminal availability is lower, and communication stability is poor；It is counted by the period of inquiry
The investment of terminal exits data, counts the communication disruption of terminal or exits number.
As an improvement of the above technical solution, the terminal communication interruption time include terminal communication disruption maximum time,
Terminal communication disruption minimum time and terminal communication disruption average time, the terminal communication interruption time is for evaluating the terminal
Radio channel stability state；The terminal communication disruption maximum time is bigger, prompts the terminal availability lower, and communication pole is not
Reliably；The terminal communication disruption minimum time is used to evaluate the radio channel stability state of the terminal, and the index value is smaller,
Even if prompting the terminal, there are disruptions, but availability is higher, and interruption in short-term does not influence data transmission；By the period of inquiry
The investment for carrying out statistics terminal exits data, count communication disruption maximum time of terminal, terminal communication disruption minimum when
Between and terminal communication disruption average time.
As an improvement of the above technical solution, the single wireless module simple evaluation of the online rate index that is averaged is wireless
The online situation of module is that channel causes or distribution terminal causes extremely for the online rate of distinguishing terminal, can segment abnormal
Reason；Its calculation formula: (single wireless module line duration ÷ measurement period time in measurement period) × 100%.
As an improvement of the above technical solution, the wireless module interruption times can be used for evaluating the wireless of the wireless module
The reason of channel stability state is analyzed together with terminal communication disruption number, and differentiation causes communication disruption is that radio channel causes
Or distribution terminal causes；Data are exited by the investment that the period of inquiry carries out statistics wireless module, count wireless module
Communication disruption exits number.
As an improvement of the above technical solution, the assessment report uses graphics mode.
The beneficial effects of the present invention are as follows: a kind of power distribution automation of the present invention wirelessly communicates usability evaluation method, by setting
Fixed detailed evaluation index efficiently solves solution using the method that overall target is evaluated to assess the availability of wireless communication
Wireless public network distribution terminal availability of communications evaluation problem overcomes using only the online rate index of distribution terminal and evaluates distribution terminal
The limitation of availability, the characteristics of not only can really having reflected wireless communication, but also scientifically assess availability of communications.
Detailed description of the invention
With reference to the accompanying drawing and specific embodiment the invention will be further described, in which:
Fig. 1 is the method flow diagram of the embodiment of the present invention.
Specific embodiment
Referring to Fig. 1, a kind of power distribution automation wireless communication usability evaluation method of the present invention includes the following steps:
Power distribution automation wirelessly communicates usability evaluation method, it is characterised in that includes the following steps:
1) big, stability difference the feature according to the delay of wireless public network communication channel, sets the detailed index of simultaneously Calculation Estimation；
2) assessment models are established, according to detailed index to the degree of distribution terminal availability impact, each index is set
Weight, the weight of the index can be finely adjusted according to power distribution automation operating index result, assessment result is adjusted, according to
Index weights assess the availability R of wireless communication terminal multiplied by the cumulative mode of communication influence degree, and wireless communication terminal can
Calculation formula with property R is；
R=
3) it generates assessment report and assessment result is presented, the assessment report uses graphics mode；
4) distribution terminal low to availability arranges to lack at scene, improves distribution terminal availability and power distribution automation system
System is practical.
The detailed index of the evaluation includes that be averaged online rate, single terminal of terminal is averaged online rate, terminal communication channel
Delay time, terminal communication disruption number, terminal communication interruption time, single wireless module be averaged online rate, in wireless module
Disconnected number.The terminal is averaged online rate for the whole online rate situation of evaluation system, reflects terminal overall operation situation, meter
Calculate formula are as follows: (examination terminal line duration ÷ (examination terminal number × measurement period time) in measurement period) × 100%.Institute
It states single terminal and is averaged online rate for evaluating the communication operation conditions of single terminal, calculation formula: (single in measurement period
The terminal line duration ÷ measurement period time) × 100%.
The terminal communication channel delay time includes: that terminal communication channel postpones maximum time, terminal communication channel is prolonged
Slow minimum time and terminal communication channel postpone average time, and the terminal communication channel delay time is for evaluating the terminal
Radio channel postpones situation；The terminal communication channel delay maximum time numerical value is bigger, indicates that the terminal communication channel postpones
Seriously；It is used as a measurement period per hour, history library is as a result stored in, since being sent the wireless data actuation message of main website
Timing receives the response message of terminal within the response period of setting, calculates response time, counts the delay of terminal communication channel
Maximum time, terminal communication channel delay minimum time and the delay of terminal communication channel are average.
The terminal communication disruption number can be used for evaluating the radio channel stability state of the terminal, and interruption times are bigger,
Represent that the terminal availability is lower, and communication stability is poor；Data are exited by the investment that the period of inquiry carries out statistics terminal, are counted
The communication disruption of terminal or exit number out.The terminal communication interruption time includes terminal communication disruption maximum time, end
It holds communication disruption minimum time and terminal communication disruption average time, the terminal communication interruption time is for evaluating the terminal
Radio channel stability state；The terminal communication disruption maximum time is bigger, prompts the terminal availability lower, and communication pole can not
It leans on；The terminal communication disruption minimum time is used to evaluate the radio channel stability state of the terminal, and the index value is smaller, mentions
Even if showing the terminal, there are disruptions, but availability is higher, and interruption in short-term does not influence data transmission；By inquiry period into
The investment of row statistics terminal exits data, counts the communication disruption maximum time of terminal, the communication disruption minimum time of terminal
With the communication disruption average time of terminal.
The single wireless module is averaged the online situation of the simple evaluation wireless module of the online rate index, for distinguishing
The online rate of terminal is that channel causes or distribution terminal causes extremely, can segment abnormal reason；Its calculation formula: (statistics week
The single wireless module line duration ÷ measurement period time in phase) × 100%.The wireless module interruption times can be used for evaluating
The radio channel stability state of the wireless module is analyzed together with terminal communication disruption number, distinguishes the original for causing communication disruption
Because being that radio channel causes or distribution terminal causes；Data are exited by the investment that the period of inquiry carries out statistics wireless module,
It counts the communication disruption of wireless module or exits number.
By the index of such as the following table 1, the weight of indices is defined；Terminal aborts number is larger to availability impact, can be
Weight is fixed higher, accounts for 30%, and definition 10 index calculated values of interruption are drawn a blank, corresponding, channel delay maximum time
Zero was defined as more than 30 seconds, channel delay minimum time is more than to be defined as within 10 seconds zero, and interrupting maximum time is more than 300 seconds fixed
Justice is zero, and interrupting minimum time is more than to be defined as within 10 seconds zero, and wireless module interruption times are more than to be defined as zero 30 times, meter
It is as follows to calculate result:
Table 1
The above, only better embodiment of the invention, but the present invention is not limited to above-described embodiments, as long as
The technical effect of the present invention is achieved by any identical or similar means for it, all should belong to protection scope of the present invention.
Claims (11)
1. a kind of power distribution automation wirelessly communicates usability evaluation method, it is characterised in that include the following steps:
1) big, stability difference the feature according to the delay of wireless public network communication channel, sets the detailed index of simultaneously Calculation Estimation；
2) assessment models are established, according to detailed index to the degree of distribution terminal availability impact, each index weights are set
, the availability R of wireless communication terminal is assessed multiplied by the cumulative mode of communication influence degree according to index weights, wireless communication is eventually
End availability R calculation formula be；
R=
3) it generates assessment report and assessment result is presented；
4) distribution terminal low to availability arranges to lack at scene.
2. a kind of power distribution automation according to claim 1 wirelessly communicates usability evaluation method, which is characterized in that described
The detailed index of evaluation includes that be averaged online rate, single terminal of terminal is averaged online rate, terminal communication channel delay time, terminal
Communication disruption number, terminal communication interruption time, single wireless module are averaged online rate, wireless module interruption times.
3. a kind of power distribution automation according to claim 1 wirelessly communicates usability evaluation method, which is characterized in that described
The weight of index can be finely adjusted according to power distribution automation operating index result.
4. a kind of power distribution automation according to claim 2 wirelessly communicates usability evaluation method, which is characterized in that described
Terminal is averaged online rate for the whole online rate situation of evaluation system, reflects terminal overall operation situation, its calculation formula is:
(examination terminal line duration ÷ (examination terminal number × measurement period time) in measurement period) × 100%.
5. a kind of power distribution automation according to claim 2 wirelessly communicates usability evaluation method, which is characterized in that described
Single terminal is averaged online rate for evaluating the communication operation conditions of single terminal, calculation formula: (in measurement period it is single eventually
Hold the line duration ÷ measurement period time) × 100%.
6. a kind of power distribution automation according to claim 2 wirelessly communicates usability evaluation method, which is characterized in that described
Terminal communication channel delay time include: terminal communication channel delay maximum time, terminal communication channel delay minimum time and
Terminal communication channel postpones average time, and the terminal communication channel delay time is used to evaluate the radio channel delay of the terminal
Situation；The terminal communication channel delay maximum time numerical value is bigger, indicates that terminal communication channel delay is serious；Make per hour
For a measurement period, it is as a result stored in history library, the timing since being sent the wireless data actuation message of main website, in setting
The response message of terminal is received in the response period, calculates response time, counts terminal communication channel delay maximum time, terminal
Communication channel postpones minimum time and the delay of terminal communication channel is average.
7. a kind of power distribution automation according to claim 2 wirelessly communicates usability evaluation method, which is characterized in that described
Terminal communication disruption number can be used for evaluating the radio channel stability state of the terminal, and interruption times are bigger, and representing the terminal can
Lower with property, communication stability is poor；Data are exited by the investment that the period of inquiry carries out statistics terminal, count the communication of terminal
Interrupt or exit number.
8. a kind of power distribution automation according to claim 2 wirelessly communicates usability evaluation method, which is characterized in that described
Terminal communication interruption time includes that terminal communication disruption maximum time, terminal communication disruption minimum time and terminal communication disruption are flat
Equal time, the terminal communication interruption time are used to evaluate the radio channel stability state of the terminal；The terminal communication disruption
Maximum time is bigger, prompts the terminal availability lower, communicates extremely unreliable；The terminal communication disruption minimum time is for commenting
The radio channel stability state of the valence terminal, the index value is smaller, even if prompting the terminal there are disruption, but availability
Higher, interruption in short-term does not influence data transmission；Data are exited by the investment that the period of inquiry carries out statistics terminal, count end
The communication disruption maximum time at end, the communication disruption minimum time of terminal and terminal communication disruption average time.
9. a kind of power distribution automation according to claim 2 wirelessly communicates usability evaluation method, which is characterized in that described
Single wireless module be averaged the online situation of the simple evaluation wireless module of the online rate index, and it is different to be used for the online rate of distinguishing terminal
It is often that channel causes or distribution terminal causes, abnormal reason can be segmented；Its calculation formula: (single wireless in measurement period
The module line duration ÷ measurement period time) × 100%.
10. a kind of power distribution automation according to claim 2 wirelessly communicates usability evaluation method, which is characterized in that institute
Stating wireless module interruption times can be used for evaluating the radio channel stability state of the wireless module, with terminal communication disruption number one
Analysis is played, distinguishing the reason of causing communication disruption is that radio channel causes or distribution terminal causes；It is carried out by the period of inquiry
The investment of statistics wireless module exits data, counts the communication disruption of wireless module or exits number.
11. a kind of power distribution automation according to claim 1 wirelessly communicates usability evaluation method, which is characterized in that institute
Assessment report is stated using graphics mode.
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| CN106341291B (en) * | 2016-09-08 | 2019-11-15 | 北京小米移动软件有限公司 | It is connected to the network the test method and device of stability |
| CN108038598A (en) * | 2017-12-01 | 2018-05-15 | 国网江苏省电力有限公司电力科学研究院 | Power distribution automation index quick calculation method based on day statistics |
| CN113324583A (en) * | 2021-05-26 | 2021-08-31 | 国网辽宁省电力有限公司电力科学研究院 | State evaluation method and system for communication module of distribution automation equipment |
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| US8977269B2 (en) * | 2012-11-08 | 2015-03-10 | Apple Inc. | Extending use of a cellular communication capabilities in a wireless device to another device |
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| CN101795462A (en) * | 2010-01-14 | 2010-08-04 | 北京科技大学 | Method for realizing measure prediction of network stability by using dynamic stable domain |
| CN101783752A (en) * | 2010-02-10 | 2010-07-21 | 哈尔滨工业大学 | Network security quantitative estimation method based on network topology characteristic |
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