CN102879661A - Method and system for detecting distribution network automatic terminal - Google Patents
Method and system for detecting distribution network automatic terminal Download PDFInfo
- Publication number
- CN102879661A CN102879661A CN2011101993499A CN201110199349A CN102879661A CN 102879661 A CN102879661 A CN 102879661A CN 2011101993499 A CN2011101993499 A CN 2011101993499A CN 201110199349 A CN201110199349 A CN 201110199349A CN 102879661 A CN102879661 A CN 102879661A
- Authority
- CN
- China
- Prior art keywords
- terminal
- signal
- power supply
- distribution automation
- tested terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention discloses a system and a method for detecting a distribution network automatic terminal. The system comprises a program control power supply, a standard meter and a detection device, wherein the program control power supply is used for supplying power and providing a test signal which comprises test voltage and test current to a detected terminal according to a signal command which is externally input; the standard meter is used for displaying the test signal which is generated by the program control power supply; and the detection device is used for sending the signal command to the program control power supply or the detected terminal, generating a detection result in response to the signal command according to the detected terminal, and storing the detection result. Functions, the accuracy and a communication protocol of the distribution network automatic terminal can be integrally detected. The invention is widely applicable to establishment of a distribution network automatic system, the performance and functions of the distribution network automatic terminal can be standardized, product quality is improved, the potential safety hazard of the distribution network automatic system can be effectively reduced, the level of safe and stable operation of a power distribution network is improved, the reliability of a power distribution system is improved, and solid foundation is laid for promotion of the establishment and application of a power distribution automatic system.
Description
Technical field
The present invention relates to the detection field of electric power terminal in the power distribution network, relate in particular to a kind of detection method and system of distribution automation terminal.
Background technology
In recent years, along with deepening continuously of city net, the upgrading of rural power grids, Reliability of Power Supplying Net Work and power supply index improve a lot, many units have carried out the power distribution automation pilot work of different levels, different scales, a lot of experiences have been accumulated, obtained greater advance, the mode that cooperates by adjusting by the automatic circuit sequential such as: electrical power distribution automatization system is progressively excessively to carrying out fault detect by feed line automatization terminal, carries out fault isolation and non-fault zone restores electricity; The key equipment cost performance of domestic power distribution automation significantly improves, progressively substituting import one equipment; As the case may be, wireless, the optical fiber of choose reasonable, carrier wave and the communication modes such as public network GPRS and CDMA; The function of Distribution Management System is progressively practical, intelligent, and with other system organic integration, power supply enterprise's infosystem of integration construct.
But, what accomplished at present is to substation transformer terminal unit (Transformer terminal unit, TTU) part of functions detects, and does not also have system or the platform of specialty to carry out complete detection to various functions and the performance of all distribution automation terminals.
Existing detection system only can detect measuring accuracy detection, communication protocol and the partial function of TTU.Main test item comprises electric energy metrical, remote signalling, tripping alarm and data statistics, and mainly detect principle and be: electric energy metering error adopts relative method, the error of comparison terminal variable and standard scale variable; Remote signalling and warning trip avoidance function send control command by PC Test Host and signaling module, and simultaneously the PC main frame reads the terminal output trip signal that communication module collects and detects; The data statistics Function detection is to utilize the data recording that produces in the terminal operating to call the data that record together with the PC main frame to compare to judge whether the data statistics function meets the requirements; Whether the communication protocol detection is consistent with the stipulations requirement by the communication protocol of communication module sense terminals.
The inventor finds that there is following deficiency at least in above-mentioned existing distribution network automated terminal detection platform in realizing process of the present invention:
1, existing distribution automation terminal detection platform is only carried out for substation transformer terminal unit TTU, can not cover all terminal units in the distribution automation system comprehensively, is unfavorable for the development in an all-round way that distribution automation system is built;
2, existing distribution automation terminal detection platform only realizes that test item is not comprehensive to the detection of substation transformer terminal unit TTU partial function;
3, existing distribution automation terminal detection platform is when carrying out event test (such as the voltage out-of-limit test) to substation transformer terminal unit TTU, adopt the form of computer instruction to simulate, rather than adopt real electric current and voltage to simulate, correct simulating grid operating condition is therefore test result is unreasonable.
Therefore, set up the complete distribution automation terminal detection platform of a cover realize imperative to the full Performance Detection of distribution automation terminal.The full Performance Detection of distribution automation terminal can be guaranteed the reliable and stable operation into network termination, reduces the debugging maintenance workload at the fortune terminal filed, and guarantees smooth construction and the popularization of distribution automation system.
Summary of the invention
The objective of the invention is in order to overcome in the prior art deficiency to function, accuracy and the integrated detection of communication protocol of distribution automation terminal, a kind of distribution automation terminal detection method and system are provided, with realize to distribution automation terminal the integrated detection of function, accuracy and communication protocol, and correct simulating grid operating condition makes test result more reasonable.
In order to achieve the above object, the embodiment of the invention discloses a kind of distribution automation terminal detection system, comprising: programmable power supply is used for providing the power supply supply, and according to the signal command that the outside is inputted, provide the test signal that comprises test voltage and measuring current to tested terminal; Standard scale is used for calculating and showing the test signal that comprises test voltage and measuring current that described programmable power supply generates; Pick-up unit is used for sending described signal command to described programmable power supply or described tested terminal, and the response result that described signal command generates according to described tested terminal response, and the generation testing result is also stored;
Wherein, described pick-up unit comprises: the functional simulation module, be used for sending the signal command that comprises voltage, electric current, frequency, phase angle to described programmable power supply, come the simulated field operating condition to carry out the Function detection to comprising of described tested terminal of unusual accident, parameter setting, data acquisition, data statistics, alarm event; The accuracy test module is used for sending the standard signal order to described programmable power supply, and the measured data of the normal data of more described standard scale demonstration and described tested terminal generation, to detect AC sampling accuracy and the accuracy of measuring of described tested terminal; The communication protocol detection module is used for sending command frame to described tested terminal, and judges whether the acknowledgement frame of described tested terminal meets the requirement of verification frame format, to detect the communication protocol of described dut terminal; Database is used for storing described testing result.
Preferably, the present invention also comprises pulse module, is used for producing pulse signal according to described command signal, to detect the pulse collection function of described tested terminal;
Preferably, the present invention also comprises the direct current signal control module, for generation of DC analogue quantity, to detect the direct current analog quantity acquisition function of described tested terminal.
In order to achieve the above object, the embodiment of the invention also discloses a kind of distribution automation terminal detection method, comprising: to the programmable power supply transmitted signal order of outside; Described programmable power supply generates the test signal that comprises test voltage and measuring current according to described signal command; Tested terminal generates response result according to described test signal; Described response result and described test signal are compared, and the generation testing result is also stored.
The distribution automation terminal detection system of the embodiment of the invention and the beneficial effect of method are:
Distribution automation terminal detection system and the method for the embodiment of the invention, can realize functional test, accuracy test and communication protocol test to distribution automation terminal (DTU, TTU, FTU) and electricity load management terminal, and can carry out subtest to the performance of the said equipment; Test process is realized computer controlled automatic, and testing efficiency is high and guaranteed the test result accuracy; Adopt the abnormity of power supply situation in the practical power simulated field operating mode, guaranteed terminal alarm event Function detection validity; Testing scheme, test result can preserve and generate automatically, have guaranteed the reliability of test data.Distribution automation terminal detection system and the method for the embodiment of the invention, filled up the at present blank on distribution automation terminal detects, can be widely used in the construction of distribution automation system, but standard distribution automation terminal performance, function, its product quality that improves, can effectively reduce the potential safety hazard that distribution network systems faces, improve power distribution network safe and stable operation level, improve the reliability of distribution system, for advancing the electrical power distribution automatization system construction and using establish a firm foundation.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those skilled in the art, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the distribution automation detection system of the embodiment of the invention;
Fig. 2 is the structural representation that the distribution automation detection system of the embodiment of the invention is connected with tested terminal;
Fig. 3 is the structural representation of the pick-up unit in the distribution automation detection system of the embodiment of the invention;
Fig. 4 is the another kind of structural representation of the pick-up unit in the distribution automation detection system of the embodiment of the invention;
Fig. 5 is the structural representation of the programmable power supply in the distribution automation detection system of the embodiment of the invention;
Fig. 6 is the structural representation of another embodiment of distribution automation detection system of the present invention;
Fig. 7 is the method flow diagram of an embodiment of distribution automation detection method of the present invention;
Fig. 8 is that structural representation and the signal that the distribution automation detection system of the embodiment of the invention detects moves towards schematic diagram;
Fig. 9 is that the structural representation that carries out unusual incident detection and the signal in embodiment illustrated in fig. 8 moves towards schematic diagram;
Figure 10 is that carry out structural representation and the signal that accuracy detects in embodiment illustrated in fig. 8 moves towards schematic diagram;
Figure 11 is that structural representation and the signal that stipulations detect that communicate in embodiment illustrated in fig. 8 moves towards schematic diagram;
Figure 12 is that carry out structural representation and the signal that the direct current acquisition function detects in embodiment illustrated in fig. 8 moves towards schematic diagram;
Figure 13 is that the structural representation that carries out the pulse collection Function detection and the signal in embodiment illustrated in fig. 8 moves towards schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
The distribution automation terminal detection system can realize the Function detection of distribution automation terminal (FTU, DTU and TTU), accuracy detection, communication protocol are detected, and the performance of terminal is carried out auxiliary detection.Testing process is reasonable, and test item is comprehensive, precision and efficiency of detecting is high.
Fig. 1 is the structural representation of the distribution automation detection system of the embodiment of the invention.As shown in the figure, the distribution automation detection system of the present embodiment comprises programmable power supply 1, standard scale 2 and pick-up unit 3, wherein, programmable power supply 1 is used for providing the power supply supply, and according to the signal command that the outside is inputted, provide the test signal that comprises test voltage and measuring current to tested terminal; Standard scale 2 is used for calculating and showing the test signal that comprises test voltage and measuring current that described programmable power supply generates; Pick-up unit 3 is used for sending described signal command to described programmable power supply or described tested terminal, and the response result that described signal command generates according to described tested terminal response, and the generation testing result is also stored.
In the present embodiment, as shown in Figure 2, programmable power supply 1 is connected with tested terminal 10 respectively with pick-up unit 3.Pick-up unit 3 can be directly to tested terminal 10 transmitted signal orders, and tested terminal 10 generates response result according to described signal command, and are sent to pick-up unit 3 and store; Perhaps pick-up unit 3 is to programmable power supply 1 transmitted signal order, and programmable power supply 1 generates test signal according to described signal command and is sent to tested terminal 10, and tested terminal 10 generates response result according to described test signal, and is sent to pick-up unit 3 and stores.
In the present embodiment, as shown in Figure 3, pick-up unit 3 comprises functional simulation module 301, accuracy test module 302, communication protocol detection module 303 and database 304.Wherein,
Communication protocol detection module 303 is used for sending command frame to described tested terminal, and judges whether the acknowledgement frame of described tested terminal meets the requirement of verification frame format, to detect the communication protocol of described dut terminal;
Fig. 4 is the another kind of structural representation of the pick-up unit 3 in the distribution automation detection system of the embodiment of the invention.In this structure embodiment, pick-up unit 3 comprises data transmission port 305, with the interface as pick-up unit 3 and outside tested terminal 10, standard scale 2 and programmable power supply 1.Data transmission port 305 can comprise RS232 communication, standard scale protocol analysis, direct current signal control module protocol analysis port and network service, the up protocol analysis port of tested equipment etc.
Adopt RS232 mouth, port or USB mouth when detection system and tested terminal communicate, which kind of interface what mainly see tested terminal reservation is.Main employing is the terminal of port and RS232 mouth at present.Detect in the process of tested terminal, tested terminal network mouth or RS232 mouth must be connected with detection system.
Fig. 5 is the structural representation of the programmable power supply in the distribution automation detection system of the embodiment of the invention. as shown in the figure, the programmable power supply in the present embodiment comprises voltage and current signal control module 101, D/A change-over circuit 102 and output module 103.Wherein, voltage and current signal control module 101 is used for according to described signal command the generating digital voltage and current signal; D/A change-over circuit 102 is used for described digital voltage current signal is generated the aanalogvoltage current signal; Output module 103 is used for described aanalogvoltage current signal is exported to described standard scale and described tested terminal.
Fig. 6 is the structural representation of another embodiment of distribution automation detection system of the present invention.In this embodiment, the distribution automation detection system also comprises pulse module 4 and direct current signal control module 5, is connected to tested terminal 10 and pick-up unit 3.Wherein, pulse module 4 is used for producing pulse signal according to described command signal, to detect the pulse collection function of described tested terminal.Direct current signal control module 5 is for generation of DC analogue quantity, to detect the direct current analog quantity acquisition function of described tested terminal.In the present embodiment, pulse module 4 and direct current signal control module 5 can be the controlled module of pick-up unit 3, also can be for being independent of the equipment of pick-up unit 3.
Fig. 7 is the method flow diagram of an embodiment of distribution automation detection method of the present invention.As shown in the figure, the distribution automation terminal detection method comprises:
Step S101 is to the programmable power supply transmitted signal order of outside.In the present embodiment, the signal command that sends comprises: send the signal command that comprises voltage, electric current, frequency, phase angle to described programmable power supply, come the simulated field operating condition to carry out the Function detection to comprising of described tested terminal of unusual accident, parameter setting, data acquisition, data statistics, alarm event; Perhaps send the standard signal order to described programmable power supply, and the measured data of the normal data of more described standard scale demonstration and described tested terminal generation, to detect AC sampling accuracy and the accuracy of measuring of described tested terminal.
Step S102, described programmable power supply generate the test signal that comprises test voltage and measuring current according to described signal command.If in step S101, transmission be the abnormal signal order, as be the abnormal voltage signal command, then programmable power supply can generate the abnormal voltage signal according to the abnormal voltage signal command, and sends to tested terminal 10.
Step S103, tested terminal generates response result according to described test signal.In the present embodiment, the test signal that tested terminal is sent according to programmable power supply, such as the abnormal signal that sends according to programmable power supply, terminal should be able to monitor abnormal information, and surveys device by the formal inspection declaration of alarm or event.
Step S104 compares described response result and described test signal, and the generation testing result is also stored.The test result of the response result of tested terminal and test signal expection is compared, and if unanimously proof detect and pass through, inconsistent then the detection do not passed through.
In this embodiment, the distribution automation terminal detection method also comprises:
Send command frame to described tested terminal, to detect the communication protocol of described dut terminal; Or
Produce pulse signal and send described tested terminal to, and the pulse signal of generation and the pulse collection information of described tested terminal are made comparisons, in order to detect the pulse collection function of described tested terminal; Or
Produce DC analogue quantity and send described tested terminal to, in order to detect the direct current analog quantity acquisition function of described tested terminal.
Fig. 8 is that structural representation and the signal that the distribution automation detection system of the embodiment of the invention detects moves towards schematic diagram.Checkout equipment is arranged in main control computer, comprises functional simulation module, accuracy test module, communication protocol test module, communication protocol parsing module and database.Wherein:
The function of functional simulation module is:
One, (1) sends the abnormal signal order, receives the event information that tested terminal is uploaded to described programmable power supply; (2) judge whether the reaction of tested terminal is normal; (3) unusual accident test result write into Databasce;
Two, (1) sends the normal signal order to described programmable power supply; (2) judge whether the parameter setting of tested terminal, data statistics be normal; (3) normal function event test result write into Databasce.
Accuracy test module function is: (1) sends the outputting standard signal command to " the current/voltage control module " of programmable power supply; Read measured data from tested terminal; Read normal data from standard scale; (2) measured data and normal data relatively judge whether its error meets the requirements; (3) measured data, normal data and error testing write into Databasce as a result.
The function of communication protocol detection module is: (1) sends command frame to tested terminal, then accepts the acknowledgement frame that tested terminal is returned; (2) judge whether the acknowledgement frame of tested terminal meets the requirement of verification, frame format, and whether the data of parsing meet logic; (3) communication protocol test result write into Databasce.
Different voltage, electric current, frequency and the phase places of main control computer (pick-up unit) control programmable power supply output, the simulated field operating condition offers tested terminal.Programmable power supply comprises voltage and current signal control module, D/A change-over circuit, DSP circuit and output display window etc.
Fig. 9 is that structural representation and the signal that tested terminal is carried out Function detection in embodiment illustrated in fig. 8 moves towards schematic diagram.As shown in the figure, tested terminal is connected with programmable power supply, functional simulation module.Pick-up unit can be simulated main website, tested terminal is realized " three is distant " Function detection, can also pass through programmable power supply, the field working conditions such as aanalogvoltage is out-of-limit, electric current is out-of-limit, uneven, power is out-of-limit, harmonic wave is out-of-limit, detect the various functions of tested terminal, guarantee that the function of tested terminal meets the functional specification of relevant criterion.Figure 9 shows that the structural representation that carries out unusual incident detection, as shown in the figure, the functional simulation module sends the output abnormality signal command to programmable power supply, programmable power supply generates unusual test signal according to the abnormal signal order, such as the abnormal voltage signal, abnormal current signal etc. are sent to tested terminal with the abnormality test signal that produces, tested terminal generates unusual response result according to unusual test signal, and is back to pick-up unit and unusual incident data is written in the database.
In other embodiments, the Function detection of utilizing the functional simulation module to carry out tested terminal also comprises: the functional simulation module sends the normal signal order to described programmable power supply; Whether the function such as parameter setting, data statistics, alarm event, data acquisition of judging tested terminal is normal; Normal function event test result write into Databasce.
(1) alarm event function: main control computer control programmable power supply simulated field operating condition, produce unusual electric current and voltage, terminal should be able to monitor abnormal information, and reports main control computer by the form of alarm or event.
For example: have a power failure for tested terminal, power on, 5 times repeatedly, pick-up unit is called the frequency of power cut logout of surveying the terminal record together, should be 5 times; It is 242V that the super upper voltage limit of terminal is set, control programmable power supply output voltage 3 * 260V, and terminal should report the super superior limit event of voltage.
(2) parameter setting function: by main control computer tested terminal is issued parameter information, behind the terminal check, main control computer is called together and is surveyed terminal parameter information, automatically compares with the information that issues, and in full accordly judges that then the terminal parameter setting function is qualified.
For example: main website issues " main website IP address and port: primary IP and port: 218.249.168.122:7107 ", terminal is replied confirmation message, main website calls survey " main website IP address and port " parameter together, and terminal should be replied " 218.249.168.122:7107 ", and function is qualified.
(3) data acquisition function: tested terminal is by the external electric energy meter of RS485 mouth, the certain voltage of main control computer control programmable power supply output offers terminal and electric energy meter, main website calls the amr message of surveying terminal together should be consistent with the information about power in the electric energy meter, programmable power supply provides certain electric current to electric energy meter, move after several hours, stream has a power failure, at this moment call again the amr message of surveying terminal together, should be consistent with the information of electric energy meter, give again electric energy meter current, move several hours, call again survey together ..., loop test 24 hours.
For example: terminal is by the external electric energy meter of RS485 mouth, the computer control programmable power supply provides 3 * 220V voltage to terminal, give electric energy meter 3 * 220V voltage, call together and survey the terminal meter reading data: the flat 20.11kWh paddy of total 20.66kWh point 0.33kWh peak 0.22kWh 0.00kWh, this moment, electric energy meter showed that information also is the flat 20.11kWh paddy of total 20.66kWh point 0.33kWh peak 0.22kWh 0.00kWh; Provide 3 * 1A electric current to electric energy meter, move 5 hours, this moment, electric energy meter showed that total 23.96kWh point 0.33kWh peak 0.22kWh flat 23.41kWh paddy 0.00kWh...... is until operation is reach 24 hours.The information of checking meter such as tested terminal in the process is consistent with electric energy meter information, and it is qualified then to judge.
(4) data statistics function: main control computer control programmable power supply keeps burning voltage electric current a period of time, and the data statistics function of sense terminals is consistent then qualified with programmable power supply output; Revise the time of terminal, whether the day statistical function of sense terminals is qualified with month statistical function.
For example: the computer control programmable power supply provides 3 * 220V voltage to terminal, 3 * 1.5A electric current, move 1 hour, change the two-phase power supply into, move one hour, falling electric current is 0, move one hour, call the active power curve of surveying the terminal record together, should be 990W one hour, 660W one hour, and time and power supply change time consistency.
Figure 10 is that carry out structural representation and the signal that accuracy detects in embodiment illustrated in fig. 8 moves towards schematic diagram.As shown in the figure, tested terminal is connected with programmable power supply, standard scale, accuracy test module, tests AC sampling accuracy and the accuracy of measuring of tested terminal.Detection system can be to electric indexs such as the voltage of tested terminal, electric current, power, frequencies, the power quality indexs such as harmonic wave, degree of unbalancedness, change in voltage, the measurements such as power consumption of terminal index and electric flux index are carried out accuracy and are detected, and guarantee that the accuracy of terminal meets relevant standard.
In the present embodiment, the accuracy test module sends the outputting standard signal command to described programmable power supply, programmable power supply can keep certain electric current and voltage according to the standard signal order, electric current and voltage information can be calculated demonstration in standard scale, tested terminal is accepted and believed breath according to the friendship of electric current and voltage Information generation terminal and is sent to the accuracy test module of pick-up unit, terminal is handed over the electric current and voltage data calculating of accepting and believing breath and being presented at standard scale, to obtain handing over the accuracy of adopting the loop.
Detect the AC sampling accuracy, the accuracy of inclusion test voltage, electric current accuracy, power accuracy etc.Following example is to detect the voltage accuracy.
In the present embodiment, the error amount in the table is between ± 0.5, and then the accuracy of judgement degree is qualified.
Figure 11 is that structural representation and the signal that stipulations detect that communicate in embodiment illustrated in fig. 8 moves towards schematic diagram.As shown in the figure, tested terminal is connected with programmable power supply, communication protocol test module, the communication protocol of test terminal.In this embodiment, programmable power supply and functional simulation module are respectively as the usefulness of the power supply control of tested equipment and pick-up unit.Detection system can be from several aspects such as data link layer, application layer and communication flows, communication protocol to tested terminal is carried out uniformity test, the variety of issue that may occur in can also analogue communications protocols, form with erroneous frame is done the negativity test to terminal, guarantees that finally terminal satisfies the communication protocol requirement.
In the present embodiment, main control computer is communicated by letter by correct message and error message with tested terminal by the communication protocol detection module, and sense terminals is at the communication protocol of link layer and application layer.
For example: message is binary mode, and the communication protocol detection module sends correct message to tested terminal, and tested terminal receives that message should correctly respond.The communication protocol detection module sends error message to terminal, and tested terminal should not responded, and perhaps replys FF.
Figure 12 is that carry out structural representation and the signal that the direct current acquisition function detects in embodiment illustrated in fig. 8 moves towards schematic diagram.As shown in the figure, tested terminal is connected with programmable power supply, direct current signal control module, the direct current analog quantity acquisition function of test terminal.Functional simulation module in the present embodiment connects programmable power supply, does the usefulness of the power supply control of whole pick-up unit.
Figure 13 is that the structural representation that carries out the pulse collection Function detection and the signal in embodiment illustrated in fig. 8 moves towards schematic diagram.Tested terminal is connected with programmable power supply, pulse module, accuracy test module, the pulse collection function of measuring terminals.In this embodiment, programmable power supply and functional simulation module are respectively as the usefulness of the power supply control of tested equipment and pick-up unit.
In the present embodiment, main control computer gating pulse module produces the electric pulse of certain frequency some, calls the pulse collection information of surveying terminal together, calculates the accuracy that pulse circuit gathers.
As to establish the measurement point meter constant be 4800imp/kWh, pulse collection error range ± 2%.It is 12/minutes that clamp-pulse generator sends pulsed frequency, and to answer recording power be 0.15kW to terminal under this frequency, and 0.147kW is to qualified between the 0.153kW.
Distribution automation terminal detection system and the method for the embodiment of the invention, can realize functional test, accuracy test and communication protocol test to distribution automation terminal (DTU, TTU, FTU) and electricity load management terminal, and can carry out subtest to the performance of the said equipment; Test process is realized computer controlled automatic, and testing efficiency is high and guaranteed the test result accuracy; Adopt the abnormity of power supply situation in the practical power simulated field operating mode, guaranteed terminal alarm event Function detection validity; Testing scheme, test result can preserve and generate automatically, have guaranteed the reliability of test data.Distribution automation terminal detection system and the method for the embodiment of the invention, filled up the at present blank on distribution automation terminal detects, can be widely used in the construction of distribution automation system, but standard distribution automation terminal performance, function, its product quality that improves, can effectively reduce the potential safety hazard that distribution network systems faces, improve power distribution network safe and stable operation level, improve the reliability of distribution system, for advancing the electrical power distribution automatization system construction and using establish a firm foundation.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiments of the invention; the protection domain that is not intended to limit the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. a distribution automation terminal detection system is characterized in that, described distribution automation terminal detection system comprises:
Programmable power supply is used for providing the power supply supply, and according to the signal command that the outside is inputted, provides the test signal that comprises test voltage and measuring current to tested terminal;
Standard scale is used for calculating and showing the test signal that comprises test voltage and measuring current that described programmable power supply generates;
Pick-up unit is used for sending described signal command to described programmable power supply or described tested terminal, and the response result that described signal command generates according to described tested terminal response, and the generation testing result is also stored; Wherein, described pick-up unit comprises:
The functional simulation module, be used for sending the signal command that comprises voltage, electric current, frequency, phase angle to described programmable power supply, come the simulated field operating condition to carry out the Function detection to comprising of described tested terminal of unusual accident, parameter setting, data acquisition, data statistics, alarm event;
The accuracy test module is used for sending the standard signal order to described programmable power supply, and the measured data of the normal data of more described standard scale demonstration and described tested terminal generation, to detect AC sampling accuracy and the accuracy of measuring of described tested terminal;
The communication protocol detection module is used for sending command frame to described tested terminal, and judges whether the acknowledgement frame of described tested terminal meets the requirement of verification frame format, to detect the communication protocol of described dut terminal;
Database is used for storing described testing result.
2. distribution automation terminal detection system as claimed in claim 1 is characterized in that, described distribution automation terminal detection system also comprises:
Pulse module is used for producing pulse signal according to described command signal, to detect the pulse collection function of described tested terminal.
3. distribution automation terminal detection system as claimed in claim 1 is characterized in that, described distribution automation terminal detection system also comprises:
The direct current signal control module is for generation of DC analogue quantity, to detect the direct current analog quantity acquisition function of described tested terminal.
4. such as each described distribution automation terminal detection system of claim 1-3, it is characterized in that, described pick-up unit also comprises:
Data transmission port is used for carrying out the transmission of described test signal and described response result.
5. distribution automation terminal detection system as claimed in claim 1 is characterized in that, described programmable power supply comprises:
The voltage and current signal control module is used for according to described signal command the generating digital voltage and current signal;
The D/A change-over circuit is used for described digital voltage current signal is generated the aanalogvoltage current signal;
Output module is used for described aanalogvoltage current signal is exported to described standard scale and described tested terminal.
6. a distribution automation terminal detection method is characterized in that, described distribution automation terminal detection method comprises:
Programmable power supply transmitted signal order to the outside;
Described programmable power supply generates the test signal that comprises test voltage and measuring current according to described signal command;
Tested terminal generates response result according to described test signal;
Described response result and described test signal are compared, and the generation testing result is also stored.
7. distribution automation terminal detection method as claimed in claim 6 is characterized in that, described programmable power supply transmitted signal order to the outside comprises:
Send the signal command that comprises voltage, electric current, frequency, phase angle to described programmable power supply, come the simulated field operating condition to carry out the Function detection to comprising of described tested terminal of unusual accident, parameter setting, data acquisition, data statistics, alarm event.
8. distribution automation terminal detection method as claimed in claim 6 is characterized in that, described programmable power supply transmitted signal order to the outside also comprises:
Send the standard signal order to described programmable power supply, and the measured data of the normal data of more described standard scale demonstration and described tested terminal generation, to detect AC sampling accuracy and the accuracy of measuring of described tested terminal.
9. distribution automation terminal detection method as claimed in claim 6 is characterized in that, described distribution automation terminal detection method also comprises:
Send command frame to described tested terminal, and judge whether the acknowledgement frame of described tested terminal meets the requirement of verification frame format, to detect the communication protocol of described dut terminal.
10. distribution automation terminal detection method as claimed in claim 6 is characterized in that, described distribution automation terminal detection method also comprises:
Produce pulse signal and send described tested terminal to, and the pulse signal of generation and the pulse collection information of described tested terminal are made comparisons, in order to detect the pulse collection function of described tested terminal.
11. distribution automation terminal detection method as claimed in claim 6 is characterized in that, described distribution automation terminal detection method also comprises:
Produce DC analogue quantity and send described tested terminal to, in order to detect the direct current analog quantity acquisition function of described tested terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110199349.9A CN102879661B (en) | 2011-07-15 | 2011-07-15 | A kind of distribution automation terminal detection method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110199349.9A CN102879661B (en) | 2011-07-15 | 2011-07-15 | A kind of distribution automation terminal detection method and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102879661A true CN102879661A (en) | 2013-01-16 |
| CN102879661B CN102879661B (en) | 2015-11-04 |
Family
ID=47481057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110199349.9A Active CN102879661B (en) | 2011-07-15 | 2011-07-15 | A kind of distribution automation terminal detection method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102879661B (en) |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104034980A (en) * | 2014-06-17 | 2014-09-10 | 国家电网公司 | Distribution automation joint debugging platform for FTU terminal equipment |
| CN104113873A (en) * | 2014-07-11 | 2014-10-22 | 珠海许继电气有限公司 | Automatic test system and device for GPRS module internally arranged in power distribution terminal |
| CN104198797A (en) * | 2014-08-26 | 2014-12-10 | 广东电网公司电力科学研究院 | Voltage detection method, system and device |
| CN104375038A (en) * | 2014-11-21 | 2015-02-25 | 国家电网公司 | Extensible closed-loop synchronous power distribution automation terminal detection platform and method |
| CN104464253A (en) * | 2014-11-20 | 2015-03-25 | 国家电网公司 | Intelligent diagnosis method for field electricity information acquisition equipment |
| CN104569688A (en) * | 2015-01-22 | 2015-04-29 | 国家电网公司 | Automatic testing system and method for power distribution terminal |
| CN104820143A (en) * | 2015-04-10 | 2015-08-05 | 深圳市科陆电子科技股份有限公司 | Automatic testing method for power distribution automatic terminal, and system thereof |
| CN104880596A (en) * | 2015-04-24 | 2015-09-02 | 国网四川省电力公司电力科学研究院 | Volt-ampere vector wireless test method used for transformer substation system debugging |
| CN105044552A (en) * | 2015-06-12 | 2015-11-11 | 广东电网有限责任公司中山供电局 | Fault diagnosis method, system and device for distribution network automation system |
| CN105137264A (en) * | 2015-08-21 | 2015-12-09 | 国网山东省电力公司电力科学研究院 | Protective device aimed at fault collection terminal detection and method thereof |
| CN105954771A (en) * | 2016-04-18 | 2016-09-21 | 上海华测导航技术股份有限公司 | Statistical method for number dialing process based on GNSS receiver |
| CN106546797A (en) * | 2016-10-13 | 2017-03-29 | 安徽翔龙电气有限公司 | A kind of distribution automation terminal signal detecting method and system |
| CN108469558A (en) * | 2018-03-08 | 2018-08-31 | 国网湖南省电力公司 | A kind of automatic checkout system and method for intelligence distribution transformer terminals |
| CN108872752A (en) * | 2018-07-09 | 2018-11-23 | 国网上海市电力公司 | A kind of power distribution automation device detection system and its method |
| CN109462524A (en) * | 2018-12-11 | 2019-03-12 | 国网湖北省电力有限公司 | A kind of intelligent power acquisition terminal detection device and detection method |
| CN110988544A (en) * | 2019-12-16 | 2020-04-10 | 广西电网有限责任公司电力科学研究院 | Distribution automation terminal test system based on high in clouds test case |
| CN111245527A (en) * | 2020-03-27 | 2020-06-05 | 四川虹美智能科技有限公司 | Performance detection system and detection method thereof |
| CN113702751A (en) * | 2021-09-27 | 2021-11-26 | 国网江苏省电力有限公司营销服务中心 | Comprehensive energy service acquisition control detection device and detection method thereof |
| CN116540006A (en) * | 2023-07-06 | 2023-08-04 | 国网天津市电力公司滨海供电分公司 | Fault detection device and method for power distribution automation terminal |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4088951A (en) * | 1977-03-24 | 1978-05-09 | Nasa | Microcomputerized electric field meter diagnostic and calibration system |
| CN201327517Y (en) * | 2008-12-12 | 2009-10-14 | 江苏省电力试验研究院有限公司 | Integrated detection device of electric power terminal |
| JP2010038767A (en) * | 2008-08-06 | 2010-02-18 | Nippon Denki Keiki Kenteisho | Automatic wire connection device for electric instrument |
| CN101872003A (en) * | 2010-05-25 | 2010-10-27 | 中国电力科学研究院 | Multi-functional auxiliary testing device of collection terminal |
| CN102004233A (en) * | 2010-10-27 | 2011-04-06 | 广东电网公司电力科学研究院 | Portable plant electric energy acquisition terminal test system |
-
2011
- 2011-07-15 CN CN201110199349.9A patent/CN102879661B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4088951A (en) * | 1977-03-24 | 1978-05-09 | Nasa | Microcomputerized electric field meter diagnostic and calibration system |
| JP2010038767A (en) * | 2008-08-06 | 2010-02-18 | Nippon Denki Keiki Kenteisho | Automatic wire connection device for electric instrument |
| CN201327517Y (en) * | 2008-12-12 | 2009-10-14 | 江苏省电力试验研究院有限公司 | Integrated detection device of electric power terminal |
| CN101872003A (en) * | 2010-05-25 | 2010-10-27 | 中国电力科学研究院 | Multi-functional auxiliary testing device of collection terminal |
| CN102004233A (en) * | 2010-10-27 | 2011-04-06 | 广东电网公司电力科学研究院 | Portable plant electric energy acquisition terminal test system |
Non-Patent Citations (1)
| Title |
|---|
| 刘水等: "电力负荷管理终端及电能表一体化检测装置的研究", 《电测与仪表》, vol. 46, no. 523, 31 July 2009 (2009-07-31) * |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104034980A (en) * | 2014-06-17 | 2014-09-10 | 国家电网公司 | Distribution automation joint debugging platform for FTU terminal equipment |
| CN104113873A (en) * | 2014-07-11 | 2014-10-22 | 珠海许继电气有限公司 | Automatic test system and device for GPRS module internally arranged in power distribution terminal |
| CN104198797A (en) * | 2014-08-26 | 2014-12-10 | 广东电网公司电力科学研究院 | Voltage detection method, system and device |
| CN104464253A (en) * | 2014-11-20 | 2015-03-25 | 国家电网公司 | Intelligent diagnosis method for field electricity information acquisition equipment |
| CN104375038A (en) * | 2014-11-21 | 2015-02-25 | 国家电网公司 | Extensible closed-loop synchronous power distribution automation terminal detection platform and method |
| CN104569688A (en) * | 2015-01-22 | 2015-04-29 | 国家电网公司 | Automatic testing system and method for power distribution terminal |
| CN104820143A (en) * | 2015-04-10 | 2015-08-05 | 深圳市科陆电子科技股份有限公司 | Automatic testing method for power distribution automatic terminal, and system thereof |
| CN104880596A (en) * | 2015-04-24 | 2015-09-02 | 国网四川省电力公司电力科学研究院 | Volt-ampere vector wireless test method used for transformer substation system debugging |
| CN105044552A (en) * | 2015-06-12 | 2015-11-11 | 广东电网有限责任公司中山供电局 | Fault diagnosis method, system and device for distribution network automation system |
| CN105137264B (en) * | 2015-08-21 | 2018-01-19 | 国网山东省电力公司电力科学研究院 | A kind of protection device and method for fault acquiring terminal detection |
| CN105137264A (en) * | 2015-08-21 | 2015-12-09 | 国网山东省电力公司电力科学研究院 | Protective device aimed at fault collection terminal detection and method thereof |
| CN105954771A (en) * | 2016-04-18 | 2016-09-21 | 上海华测导航技术股份有限公司 | Statistical method for number dialing process based on GNSS receiver |
| CN106546797A (en) * | 2016-10-13 | 2017-03-29 | 安徽翔龙电气有限公司 | A kind of distribution automation terminal signal detecting method and system |
| CN108469558A (en) * | 2018-03-08 | 2018-08-31 | 国网湖南省电力公司 | A kind of automatic checkout system and method for intelligence distribution transformer terminals |
| CN108872752A (en) * | 2018-07-09 | 2018-11-23 | 国网上海市电力公司 | A kind of power distribution automation device detection system and its method |
| CN109462524A (en) * | 2018-12-11 | 2019-03-12 | 国网湖北省电力有限公司 | A kind of intelligent power acquisition terminal detection device and detection method |
| CN110988544A (en) * | 2019-12-16 | 2020-04-10 | 广西电网有限责任公司电力科学研究院 | Distribution automation terminal test system based on high in clouds test case |
| CN111245527A (en) * | 2020-03-27 | 2020-06-05 | 四川虹美智能科技有限公司 | Performance detection system and detection method thereof |
| CN113702751A (en) * | 2021-09-27 | 2021-11-26 | 国网江苏省电力有限公司营销服务中心 | Comprehensive energy service acquisition control detection device and detection method thereof |
| CN116540006A (en) * | 2023-07-06 | 2023-08-04 | 国网天津市电力公司滨海供电分公司 | Fault detection device and method for power distribution automation terminal |
| CN116540006B (en) * | 2023-07-06 | 2023-10-17 | 国网天津市电力公司滨海供电分公司 | Fault detection device and method for power distribution automation terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102879661B (en) | 2015-11-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102879661B (en) | A kind of distribution automation terminal detection method and system | |
| CN202886463U (en) | Intelligent electric energy meter with functions of electric leakage remote monitoring and protection | |
| CN106340968B (en) | Integrated support system and method for power distribution network management and control | |
| CN105785199A (en) | Multifunctional power distribution terminal integrated test system and operating method thereof | |
| CN107402332A (en) | A kind of Intelligent power distribution terminal multi-epitope automatic checkout system and its detection method | |
| CN204269811U (en) | Electric energy meter remote online monitoring system | |
| CN105279952A (en) | Whole-event acquisition testing system of intelligent ammeter based on virtual ammeter module | |
| CN104810923A (en) | Intelligent power distribution and use integrated terminal based on IEC61850 stipulation | |
| CN102437650A (en) | Intelligent electric power distribution system | |
| CN105824001B (en) | Method and system for testing IEC61850 conformance of digital electric energy meter | |
| CN105160864A (en) | Operating data monitoring system and method for intelligent ammeters | |
| CN103885438A (en) | Automatic test system and method for transformer substation measurement and control device | |
| CN207020264U (en) | Suitable for the detecting system of protective relaying device | |
| CN102005736A (en) | On-line monitoring method of state of relay protection equipment | |
| CN105548945B (en) | A kind of electric energy meter thermodynamic state verification method | |
| CN101409008A (en) | Integrated system for monitor, management and remotely meter-reading of power distribution network | |
| CN102175940A (en) | Testing method of digital protection tester with fault data model base for protection testing | |
| CN104165660A (en) | Intelligent distribution and transformation monitoring terminal capable of calculating winding temperature | |
| CN112711829A (en) | Intelligent substation secondary equipment batch production intelligent maintenance system | |
| CN104076807A (en) | Method of debugging automation system of intelligent substation | |
| KR101174254B1 (en) | Meter Data Management System for Smart Grid | |
| CN202475013U (en) | Intelligent power distribution device | |
| CN204906004U (en) | Distributed intelligent regional power grid of network layering | |
| CN112557789A (en) | Self-adaptive distributed intelligent test system for distribution automation terminal | |
| CN111799889A (en) | Debugging method for general efficient processing of urban network distribution network automatic terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE GRID CORPORATION OF CHINA Effective date: 20121226 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20121226 Address after: 100045 Beijing city Xicheng District Fuxingmenwai Nan Xiang Di Zang an 1 Applicant after: North China Electrical Power Research Institute LLC Applicant after: State Grid Corporation of China Address before: 100045 Beijing city Xicheng District Fuxingmenwai Nan Xiang Di Zang an 1 Applicant before: North China Electrical Power Research Institute LLC |
|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |