CN103344856B - A kind of merge cells method of testing and device - Google Patents
A kind of merge cells method of testing and device Download PDFInfo
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Abstract
A kind of merge cells method of testing and device is disclosed in the present invention, described method is applied in described device, described method comprises: the model parameter gathering the current operation of merge cells, judge that whether the model parameter of described current operation is consistent with preset model parameter, if, the model then obtaining the current operation of described merge cells is the instruction of correct model, if not, the model then obtaining the current operation of described merge cells is the instruction of error model, and the method can effectively be tested the communication service in described merge cells.
Description
Technical field
The present invention relates to power domain, particularly a kind of merge cells method of testing and device.
Background technology
Merge cells is visual plant in digital transformer substation, is the quality of the interfacing equipment of the process layer of intelligent substation, merge cells performance, is directly connected to the secondary devices such as protection, metering, measure and control device and wave recording device.Therefore, the test being combined unit seems especially important, at present for all concentrating on accuracy test and time response test in the test of merge cells, and the communication service be not combined in unit is carried out testing.
Summary of the invention
The invention provides a kind of merge cells method of testing and device, to solve in prior art the problem that the communication service be not combined in unit is carried out testing.
Concrete technical scheme is as follows:
A kind of merge cells method of testing, described method comprises:
Gather the model parameter of the current operation of merge cells;
Judge that whether the model parameter of described current operation is consistent with preset model parameter, if, the model then obtaining the current operation of described merge cells is the instruction of correct model, and if not, then the model obtaining the current operation of described merge cells is the instruction of error model.
Preferably, also comprise:
Gather the simulating signal of reference source;
While the simulating signal of described collection reference source, gather the digital signal of described merge cells;
Analyzing and processing is carried out to described simulating signal and described digital signal, obtains test result.
Preferably, describedly carry out analyzing and processing to described simulating signal and described digital signal, the process obtaining test result comprises:
Fourier transform is carried out to described simulating signal and described digital signal, obtains test result.
Preferably, also comprise:
Record described digital signal due in, calculate the mistiming in described due in and sampled point starting point moment;
Calculate the time interval of neighbouring sample point;
Described mistiming and the described time interval are analyzed, obtains time response test data.
Preferably, also comprise:
By waveform, described test result is carried out showing and storing.
A kind of merge cells proving installation, described device comprises: collector and analyzer;
Described collector is used for, and gathers the model parameter of the current operation of merge cells;
Described analyzer is used for, judge that whether the model parameter of described current operation is consistent with preset model parameter, if so, then the model obtaining the current operation of described merge cells is the instruction of correct model, if not, then the model obtaining the current operation of described merge cells is the instruction of error model.
Preferably, also comprise: analog signal collector, digital signal acquiring device, synchronous generator and first processor;
Described synchronous generator is used for, and sends synchronous acquisition instruction to described analog signal collector and described digital signal acquiring device;
Described analog signal collector is used for, and receives described synchronous acquisition instruction, gathers the simulating signal of reference source;
Described digital signal acquiring device is used for, and receives described synchronous acquisition instruction, gathers the digital signal of described merge cells;
Described first processor is used for, and carries out analyzing and processing, obtain test result to described simulating signal and described digital signal.
Preferably, also comprise: the first counter, the second counter and the second processor;
Described first counter is used for, and records described digital signal due in, calculates the mistiming in described due in and sampled point starting point moment;
Described second counter is used for, and calculates the time interval of neighbouring sample point;
Described second processor is used for, and analyzes, obtain time response test data to described mistiming and the described time interval.
Preferably, also comprise: display-memory;
Described display-memory is used for, and described test result is carried out showing and storing in the mode of waveform.
As can be seen from the above technical solutions, the invention provides a kind of merge cells method of testing and device, described method is applied in described device, described method comprises: the model parameter gathering the current operation of merge cells, judge that whether the model parameter of described current operation is consistent with preset model parameter, if, the model then obtaining the current operation of described merge cells is the instruction of correct model, if not, the model then obtaining the current operation of described merge cells is the instruction of error model, the method can effectively be tested the communication service in described merge cells.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in invention or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of merge cells method of testing schematic flow sheet disclosed in the embodiment of the present invention one;
Fig. 2 is a kind of merge cells method of testing schematic flow sheet disclosed in the embodiment of the present invention two;
Fig. 3 is a kind of merge cells method of testing schematic flow sheet disclosed in the embodiment of the present invention three;
Fig. 4 is a kind of merge cells proving installation structural representation disclosed in the embodiment of the present invention four;
Fig. 5 is a kind of merge cells proving installation structural representation disclosed in the embodiment of the present invention five;
Fig. 6 is a kind of merge cells proving installation structural representation disclosed in the embodiment of the present invention six.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to protection scope of the present invention.
The embodiment of the present invention one discloses a kind of merge cells method of testing, shown in Figure 1, and described method comprises:
Step S101: the model parameter gathering the current operation of merge cells;
Wherein, described model parameter is sending destination location, model identification and sendaisle number;
Step S102: judge that whether the model parameter of described current operation is consistent with preset model parameter, if so, then performs step S103, if not, then performs step S104;
Wherein, described preset model parameter can be producer provide sending destination location, model identification and sendaisle number;
Step S103: the model then obtaining the current operation of described merge cells is the instruction of correct model;
Step S104: the model then obtaining the current operation of described merge cells is the instruction of error model.
Present embodiment discloses a kind of merge cells method of testing, described method comprises: the model parameter gathering the current operation of merge cells, judge that whether the model parameter of described current operation is consistent with preset model parameter, if, the model then obtaining the current operation of described merge cells is the instruction of correct model, if not, the model then obtaining the current operation of described merge cells is the instruction of error model, in described method, by the model parameter of the current operation of merge cells described in comparison, whether preset model parameter is consistent, thus whether the model that can obtain the current operation of described merge cells is the instruction of correct model, so just, can realize testing the communication service in described merge cells.
The embodiment of the present invention two discloses a kind of merge cells method of testing, shown in Figure 2, and described method, on the basis of embodiment one, also add following concrete steps:
Step S201: the simulating signal gathering reference source;
Wherein, adopt high-precise synchronization collection of simulant signal card, gather the simulating signal of described reference source, described synchronous analog signal capture card employs high precision clock, high-operational amplifier and ADC and samples to analog voltage, current signal, sampling rate is 10000 points/second, maximum measuring voltage is 100V, full test electric current is 5A, described capture card can compensate AD conversion automatically according to different environment temperatures, thus avoid the impact of temperature drift, also have Auto zeroing in addition, ADC self-correcting etc. ensure the function of measuring accuracy;
Step S202: while the simulating signal of described collection reference source, gather the digital signal of described merge cells;
Wherein, simulating signal can be sent a road in described merge cells by described reference source, after described merge cells receives described simulating signal, can produce corresponding digital signal, described digital signals format comprises: the forms such as 61850-9-1,61850-9-2,61850-9-2le, IEC60044-8FT3, state net FT3;
Step S203: analyzing and processing is carried out to described simulating signal and described digital signal, obtains test result;
Wherein, analyzing and processing is carried out to described simulating signal and described digital signal, Fourier transform be used, that is;
Assuming that input signal is as follows:
Wherein, x
0---DC component ω
1---fundamental frequency angular frequency.
X
k,
---the amplitude of kth order harmonic components and phase place.
The formula utilizing all-wave Fu formula algorithm to extract fundamental component is:
Described Fourier transformation method is utilized described simulating signal and described digital signal to be processed, obtain the data targets such as ratio, difference, frequency difference, and by waveform, described test result is shown intuitively, and can store, to facilitate searching of historical data.
Present embodiment discloses a kind of merge cells method of testing, described method is except can realizing the disclosed test of embodiment one, can also test the time characteristic data of described merge cells and performance data, more fully achieve the test being combined unit properties.
The embodiment of the present invention three discloses a kind of merge cells method of testing, shown in Figure 3, and on the basis of embodiment two, described method also comprises:
Step S301: record described digital signal due in, calculate the mistiming in described due in and sampled point starting point moment;
It should be noted that, using the described mistiming calculated as the absolute delay time of described merge cells;
Step S302: the time interval calculating neighbouring sample point;
Step S303: described mistiming and the described time interval are analyzed, obtains time response test data.
Present embodiment discloses a kind of merge cells method of testing, described digital signal due in is have recorded in described method, according to described due in and sampled point starting point poor for computing time in moment, and calculate the time interval of neighbouring sample point, by analyzing described mistiming and the described time interval, obtain time response test data, the described time response test data obtained like this is more accurate.
The embodiment of the present invention four discloses a kind of merge cells proving installation, shown in Figure 4, and described device comprises: collector 101 and analyzer 102;
Wherein, described collector 101 for, gather the model parameter of merge cells current operation;
Described model parameter is sending destination location, model identification and sendaisle number;
Described analyzer 102 for, judge that whether the model parameter of described current operation is consistent with preset model parameter, if, the model then obtaining the current operation of described merge cells is the instruction of correct model, if not, then the model obtaining the current operation of described merge cells is the instruction of error model.
Present embodiment discloses a kind of merge cells proving installation, described device comprises: collector and analyzer, wherein, described collector is for gathering the model parameter of the current operation of merge cells, whether described analyzer is consistent with preset model parameter for judging the model parameter of described current operation, if, the model then obtaining the current operation of described merge cells is the instruction of correct model, if not, the model then obtaining the current operation of described merge cells is the instruction of error model, by the model parameter of the current operation of merge cells described in comparison, whether preset model parameter is consistent, thus whether the model that can obtain the current operation of described merge cells is the instruction of correct model, so just, can realize testing the communication service in described merge cells.
The embodiment of the present invention five discloses a kind of merge cells proving installation, shown in Figure 5, described device comprises: collector 101, analyzer 102, analog signal collector 103, digital signal acquiring device 104, synchronous generator 105 and first processor 106;
Wherein, described collector 101 disclosed in described collector 101, analyzer 102 and embodiment three, analyzer 102 are consistent;
Described synchronous generator 105 for, send synchronous acquisition instruction to described analog signal collector and described digital signal acquiring device;
Described analog signal collector 103 for, receive described synchronous acquisition instruction, gather the simulating signal of reference source;
Wherein, adopt high-precise synchronization collection of simulant signal card, gather the simulating signal of described reference source, described synchronous analog signal capture card employs high precision clock, high-operational amplifier and ADC and samples to analog voltage, current signal, sampling rate is 10000 points/second, maximum measuring voltage is 100V, full test electric current is 5A, described capture card can compensate AD conversion automatically according to different environment temperatures, thus avoid the impact of temperature drift, also have Auto zeroing in addition, ADC self-correcting etc. ensure the function of measuring accuracy;
Described digital signal acquiring device 104 for, receive described synchronous acquisition instruction, gather the digital signal of described merge cells;
Wherein, simulating signal can be sent a road in described merge cells by described reference source, after described merge cells receives described simulating signal, can produce corresponding digital signal, described digital signals format comprises: the forms such as 61850-9-1,61850-9-2,61850-9-2le, IEC60044-8FT3, state net FT3;
Described first processor 106 for, analyzing and processing is carried out to described simulating signal and described digital signal, obtains test result.
Wherein, analyzing and processing is carried out to described simulating signal and described digital signal, Fourier transform be used, that is;
Assuming that input signal is as follows:
Wherein, x
0---DC component ω
1---fundamental frequency angular frequency.
X
k,
---the amplitude of kth order harmonic components and phase place.
The formula utilizing all-wave Fu formula algorithm to extract fundamental component is:
Described Fourier transformation method is utilized described simulating signal and described digital signal to be processed, obtain the data targets such as ratio, difference, frequency difference, and by waveform, described test result is shown intuitively, and can store, to facilitate searching of historical data.
Present embodiment discloses a kind of merge cells proving installation, described device, except can realizing the disclosed test of embodiment three, can also be tested the performance of described merge cells, comprehensively achieve the test being combined unit.
The embodiment of the present invention six discloses a kind of merge cells proving installation, shown in Figure 6, described device comprises: collector 101, analyzer 102, analog signal collector 103, digital signal acquiring device 104, synchronous generator 105, first processor 106, first counter 107, second counter 108 and the second processor 109;
Wherein, described collector 101, analyzer 102, analog signal collector 103, digital signal acquiring device 104, synchronous generator 105 and first processor 106 are consistent with collector 101 described disclosed in embodiment four, analyzer 102, analog signal collector 103, digital signal acquiring device 104, synchronous generator 105 and first processor 106;
Described first counter 107 for, record described digital signal due in, calculate the mistiming in described due in and sampled point starting point moment;
Described second counter 108 for, calculate the time interval of neighbouring sample point;
Described second processor 109 for, described mistiming and the described time interval are analyzed, obtain time response test data.
Present embodiment discloses a kind of merge cells proving installation, described device, except to except the disclosed test of embodiment three and four, can also be tested the time characteristic data of described merge cells, more fully achieve the test being combined unit properties.
It should be noted that, the analyzer 102 in the embodiment of said apparatus, first processor 106 and the second processor 109 all can have been come by a processor, can reduce the volume of merge cells proving installation like this, carry more convenient.
In addition, on above-described embodiment five basis, can also disclose a kind of merge cells proving installation, described device, except comprising the ingredient in above-described embodiment five, also comprises: display-memory;
Described display-memory is used for, and described test result is carried out showing and storing in the mode of waveform.
It should be noted that, the described time response test data in above-described embodiment six also can show with the form of waveform by described display-memory, handled easily personnel can get information about data in every test result like this.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.For device disclosed in embodiment, because it corresponds to the method disclosed in Example, so description is fairly simple, relevant part illustrates see method part.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.Be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the most wide region consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a merge cells method of testing, is characterized in that, described method comprises:
Gather the model parameter of the current operation of merge cells;
Wherein, described model parameter is sending destination location, model identification and sendaisle number;
Judge that whether the model parameter of described current operation is consistent with preset model parameter, if, the model then obtaining the current operation of described merge cells is the instruction of correct model, and if not, then the model obtaining the current operation of described merge cells is the instruction of error model;
Wherein, described preset model parameter provide for producer sending destination location, model identification and sendaisle number.
2. method according to claim 1, is characterized in that, also comprises:
Gather the simulating signal of reference source;
While the simulating signal of described collection reference source, gather the digital signal of described merge cells;
Analyzing and processing is carried out to described simulating signal and described digital signal, obtains test result.
3. method according to claim 2, is characterized in that, describedly carries out analyzing and processing to described simulating signal and described digital signal, and the process obtaining test result comprises:
Fourier transform is carried out to described simulating signal and described digital signal, obtains test result.
4. method according to claim 2, is characterized in that, also comprises:
Record described digital signal due in, calculate the mistiming in described due in and sampled point starting point moment;
Calculate the time interval of neighbouring sample point;
Described mistiming and the described time interval are analyzed, obtains time response test data.
5. method according to claim 2, is characterized in that, also comprises:
By waveform, described test result is carried out showing and storing.
6. a merge cells proving installation, is characterized in that, described device comprises: collector and analyzer;
Described collector is used for, and gathers the model parameter of the current operation of merge cells; Wherein, described model parameter is sending destination location, model identification and sendaisle number;
Described analyzer is used for, judge that whether the model parameter of described current operation is consistent with preset model parameter, if so, then the model obtaining the current operation of described merge cells is the instruction of correct model, if not, then the model obtaining the current operation of described merge cells is the instruction of error model.
7. device according to claim 6, is characterized in that, also comprises: analog signal collector, digital signal acquiring device, synchronous generator and first processor;
Described synchronous generator is used for, and sends synchronous acquisition instruction to described analog signal collector and described digital signal acquiring device;
Described analog signal collector is used for, and receives described synchronous acquisition instruction, gathers the simulating signal of reference source;
Described digital signal acquiring device is used for, and receives described synchronous acquisition instruction, gathers the digital signal of described merge cells;
Described first processor is used for, and carries out analyzing and processing, obtain test result to described simulating signal and described digital signal.
8. device according to claim 7, is characterized in that, also comprises: the first counter, the second counter and the second processor;
Described first counter is used for, and records described digital signal due in, calculates the mistiming in described due in and sampled point starting point moment;
Described second counter is used for, and calculates the time interval of neighbouring sample point;
Described second processor is used for, and analyzes, obtain time response test data to described mistiming and the described time interval.
9. device according to claim 7, is characterized in that, also comprises: display-memory;
Described display-memory is used for, and described test result is carried out showing and storing in the mode of waveform.
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