CN105226830A - A kind of transformer station process layer for dynamic simulation test and wall communication data back method - Google Patents
A kind of transformer station process layer for dynamic simulation test and wall communication data back method Download PDFInfo
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- CN105226830A CN105226830A CN201510728989.2A CN201510728989A CN105226830A CN 105226830 A CN105226830 A CN 105226830A CN 201510728989 A CN201510728989 A CN 201510728989A CN 105226830 A CN105226830 A CN 105226830A
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Abstract
The present invention relates to a kind of transformer station process layer for dynamic simulation test and wall communication data back method, compared with prior art solve the defect cannot accomplishing data readback in dynamic simulation test process.The present invention includes following steps: generate new file; Configuration file; Formation sequence; Calculate transmitting time; Calculating takies Link Time; Calculate actual transmitting time; Spanned file; Playback file.The dynamic simulation test recorder data that the present invention will preserve with electric power system standard C OMTRADE file, convert to comprise and meet DL/T? do you the SV frame of 860.92 standards, meet DL/T? the pcap file of 860.8 standard GOOSE frames, and by network tester playback above-mentioned pcap file, implementation procedure layer and wall emulation testing.
Description
Technical field
The present invention relates to relay protection of power system technical field of measurement and test, specifically a kind of transformer station process layer for dynamic simulation test and wall communication data back method.
Background technology
Dynamic simulation test refer to scaled down with the experimental study carried out in the pure physical model system of real system equivalence and simulation test system, simulation test system comprises generator, transformer, power transmission line circuit, line switching, current-voltage transformer, intelligent secondary device and control system, and be directly connected with practical power systems is grid-connected, the model system set up is simulated various operating condition and the fault of practical power systems.By current transformer, voltage transformer and MU acquisition system current and voltage signals, can be used for intelligent substation intelligence secondary device (IED) function and performance verify and examine.The requirement of dynamic simulation test to testing equipment and test site is higher, and the test period is long, drop into manpower and funds are comparatively large, and the domestic laboratory possessing dynamic simulation test ability is less at present, resource scarcity.Each to record a large amount of test data of ripple mode record in dynamic simulation test process, have recorded the voltage in process of the test, electric current, switching value information.If the recorder data of dynamic simulation test can be made full use of with wave shape playback form, namely realize the playback of data, then can realize the research and development inspection to secondary device and checking effect.Particularly between process layer and wall, developing a data readback method in dynamic simulation test has become the technical problem being badly in need of solving.
Summary of the invention
The object of the invention is to solve the defect cannot accomplishing data readback in prior art in dynamic simulation test process, providing a kind of transformer station process layer for dynamic simulation test and wall communication data back method to solve the problems referred to above.
To achieve these goals, technical scheme of the present invention is as follows:
For transformer station process layer and the wall communication data back method of dynamic simulation test, comprise the following steps:
Generate new file, according to the requirement of secondary equipment of intelligent converting station to sample rate, adopt interpolation algorithm the sample frequency of the analog quantity in original COMTRADE file to be converted to the sample frequency of secondary equipment of intelligent converting station needs, generate new COMTRADE convert file;
Configuration file, the analog quantity channel in COMTRADE convert file associates with SV passage by the configuration according to inputting SV controll block in secondary equipment of intelligent converting station; COMTRADE convert file breaker in middle amount passage associates with GOOSE passage by the configuration according to the input GOOSE controll block of secondary equipment of intelligent converting station;
Formation sequence, to each input SV controll block of secondary equipment of intelligent converting station, generates the SV frame sequence meeting DL/T860.92 standard, and calculates the desirable transmitting time of each SV frame;
Calculate transmitting time, to each GOOSE controll block of secondary equipment of intelligent converting station, according to switching value passage and the incidence relation of GOOSE passage, the change of switching value, according to GOOSE transmit mechanism, generate GOOSE frame sequence, and calculate the desirable transmitting time of each GOOSE frame;
Calculating takies Link Time, to each SV frame or GOOSE frame, calculates it and takies Link Time;
Calculate actual transmitting time, the SV frame that will input each light network interface of secondary equipment of intelligent converting station, GOOSE frame all sort, and calculate its actual transmitting time;
Spanned file, according to ordering SV frame, GOOSE frame and actual transmitting time thereof, generates pcap file;
Playback file, utilizes network tester to carry out playback to pcap file.
The actual transmitting time of described calculating comprises the following steps:
Variable t is set, makes t=0;
SV frame, GOOSE frame are all labeled as unsorted;
The frame finding desirable transmitting time minimum in unsorted SV frame, GOOSE frame, by this frame flag for sort; If there are two frames that desirable transmitting time is identical, then an optional frame flag is for sort, and by its desirable transmitting time assignment to variable t;
Relatively other unsorted SV frames, the desirable transmitting time of GOOSE frame and the size of t, if the desirable transmitting time of this frame is less than t, then the actual transmitting time arranging this frame is t, and the currency making the value of t equal t adds that this frame takies Link Time;
If the desirable transmitting time of this frame is more than or equal to t, then the actual transmitting time arranging this frame is the desirable transmitting time of this frame, and the actual transmitting time making the value of t equal this frame adds that this frame takies Link Time.
beneficial effect
A kind of transformer station process layer for dynamic simulation test of the present invention and wall communication data back method, the dynamic simulation test recorder data compared with prior art will preserved with electric power system standard C OMTRADE file, convert to and comprise the SV frame meeting DL/T860.92 standard, the pcap file meeting DL/T860.8 standard GOOSE frame, and by network tester playback above-mentioned pcap file, implementation procedure layer and wall emulation testing.The present invention only needs network tester, and not by the restriction of place to use test resource, utilize existing dynamic simulation test data to realize dynamic simulation test verification the verifying results, can complete the emulation testing of IED, experimentation cost greatly reduces.
The recorder data of dynamic simulation test makes full use of with wave shape playback form by the present invention, does not need complexity, huge dynamic simulation test environment can complete the emulation testing of IED; The dynamic simulation test data transaction stored with COMTRADE file is become general pcap file, only needs network tester, not by the restriction of place to use test resource, experimentation cost greatly reduces; Solve by the problem of the concurrent data in COMTRADE file to the conversion of the serial data in pcap file.
Accompanying drawing explanation
Fig. 1 is sequential flowchart of the present invention.
Embodiment
For making to have a better understanding and awareness architectural feature of the present invention and effect of reaching, coordinating detailed description in order to preferred embodiment and accompanying drawing, being described as follows:
As shown in Figure 1, a kind of transformer station process layer for dynamic simulation test of the present invention and wall communication data back method, comprise the following steps:
The first step, generates new file.According to the requirement of secondary equipment of intelligent converting station to sample rate, adopt interpolation algorithm the sample frequency of the analog quantity in original COMTRADE file to be converted to the sample frequency of secondary equipment of intelligent converting station needs, generate new COMTRADE convert file.New COMTRADE convert file is similarly COMTRADE file, for providing of basic data information in data readback process.
Second step, configuration file.Analog quantity channel in COMTRADE convert file associates with SV passage by the configuration according to inputting SV controll block in secondary equipment of intelligent converting station.COMTRADE convert file breaker in middle amount passage associates with GOOSE passage by the configuration according to the input GOOSE controll block of secondary equipment of intelligent converting station.
GOOSE(GenericObject-OrientedSubstationEvent) be a kind of transformer substation case towards general object, be mainly used in realizing the information transmission between multiple secondary equipment of intelligent converting station (IED), comprise the multi-signal (order) such as transmission breaker tripping and closing, connection locking, there is the high-transmission probability of success.SV (SampledValue) i.e. sampled value, it exchanges correlation model object and the service of the sampled value that sampled data is concentrated based on publish/subscribe mechanism, and the mapping between these model objects and service to ISO/IEC8802-3 frame.
3rd step, formation sequence.To each input SV controll block of secondary equipment of intelligent converting station, generate the SV frame sequence meeting DL/T860.92 standard, and calculate the desirable transmitting time of each SV frame, the desirable transmitting time of SV frame is for coordinating the calculating of actual transmitting time.
4th step, calculates transmitting time.To each GOOSE controll block of secondary equipment of intelligent converting station, according to switching value passage and the incidence relation of GOOSE passage, the change of switching value, according to GOOSE transmit mechanism, generate GOOSE frame sequence, and calculate the desirable transmitting time of each GOOSE frame, equally, the desirable transmitting time of calculating GOOSE frame is also the calculating for coordinating actual transmitting time.
5th step, calculates and takies Link Time, to each SV frame or GOOSE frame, calculate it and take Link Time, and calculating the object taking Link Time is also calculating in order to coordinate actual transmitting time.
6th step, calculates actual transmitting time, and the SV frame that will input each light network interface of secondary equipment of intelligent converting station, GOOSE frame all sort, and calculate its actual transmitting time.It specifically comprises the following steps:
(1) variable t is set, makes t=0.
(2) SV frame, GOOSE frame are all labeled as unsorted state.
(3) frame finding desirable transmitting time minimum in unsorted SV frame, GOOSE frame, by this frame flag for sort; If there are two frames that desirable transmitting time is identical, then an optional frame flag is for sort, and by its desirable transmitting time assignment to variable t.
(4) compare other all unsorted SV frames, the desirable transmitting time of GOOSE frame and sizes of t, if the desirable transmitting time of this frame is less than t, then the actual transmitting time arranging this frame is t, and the currency making the value of t equal t adds that this frame takies Link Time.
If the desirable transmitting time of this frame is more than or equal to t, then the actual transmitting time arranging this frame is the desirable transmitting time of this frame, and the actual transmitting time making the value of t equal this frame adds that this frame takies Link Time.
Above calculating comparison process is all carried out to all unsorted SV frames, GOOSE frame, until complete sequence to all SV frames, GOOSE frame.
7th step, spanned file.According to ordering SV frame, GOOSE frame and actual transmitting time thereof, generate pcap file, this pcap file then comprise meet DL/T860.92 standard SV frame, meet DL/T860.8 standard GOOSE frame.
8th step, playback file.Utilize network tester to carry out playback to pcap file, use the pcap file playback function of network tester, playback is carried out to the pcap file generated, with the playback of implementation procedure layer and wall data (fault).
More than show and describe general principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; the just principle of the present invention described in above-described embodiment and specification; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in claimed scope of the present invention.The protection range of application claims is defined by appending claims and equivalent thereof.
Claims (2)
1., for transformer station process layer and the wall communication data back method of dynamic simulation test, it is characterized in that, comprise the following steps:
11) new file is generated, according to the requirement of secondary equipment of intelligent converting station to sample rate, adopt interpolation algorithm the sample frequency of the analog quantity in original COMTRADE file to be converted to the sample frequency of secondary equipment of intelligent converting station needs, generate new COMTRADE convert file;
12) configuration file, the analog quantity channel in COMTRADE convert file associates with SV passage by the configuration according to inputting SV controll block in secondary equipment of intelligent converting station; COMTRADE convert file breaker in middle amount passage associates with GOOSE passage by the configuration according to the input GOOSE controll block of secondary equipment of intelligent converting station;
13) formation sequence, to each input SV controll block of secondary equipment of intelligent converting station, generates the SV frame sequence meeting DL/T860.92 standard, and calculates the desirable transmitting time of each SV frame;
14) transmitting time is calculated, to each GOOSE controll block of secondary equipment of intelligent converting station, according to switching value passage and the incidence relation of GOOSE passage, the change of switching value, according to GOOSE transmit mechanism, generate GOOSE frame sequence, and calculate the desirable transmitting time of each GOOSE frame;
15) calculating takies Link Time, to each SV frame or GOOSE frame, calculates it and takies Link Time;
16) calculate actual transmitting time, the SV frame that will input each light network interface of secondary equipment of intelligent converting station, GOOSE frame all sort, and calculate its actual transmitting time;
17) spanned file, according to ordering SV frame, GOOSE frame and actual transmitting time thereof, generates pcap file;
18) playback file, utilizes network tester to carry out playback to pcap file.
2. a kind of transformer station process layer for dynamic simulation test according to claim 1 and wall communication data back method, it is characterized in that, the actual transmitting time of described calculating comprises the following steps:
21) variable t is set, makes t=0;
22) SV frame, GOOSE frame are all labeled as unsorted;
23) frame finding desirable transmitting time minimum in unsorted SV frame, GOOSE frame, by this frame flag for sort; If there are two frames that desirable transmitting time is identical, then an optional frame flag is for sort, and by its desirable transmitting time assignment to variable t;
24) compare other unsorted SV frames, the desirable transmitting time of GOOSE frame and the size of t, if the desirable transmitting time of this frame is less than t, then the actual transmitting time arranging this frame is t, and the currency making the value of t equal t adds that this frame takies Link Time;
If the desirable transmitting time of this frame is more than or equal to t, then the actual transmitting time arranging this frame is the desirable transmitting time of this frame, and the actual transmitting time making the value of t equal this frame adds that this frame takies Link Time.
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Cited By (1)
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Inventor after: Yang Guotao Inventor after: Li Bao Inventor after: Cheng Xianrui Inventor after: Hao Yu Inventor after: Zong Xiang Inventor after: Liu Tao Inventor after: Chen Tengyuan Inventor after: Luo Dong Inventor after: Xu Bin Inventor after: Ding Qian Inventor before: Yang Guotao Inventor before: Cheng Xianrui Inventor before: Hao Yu Inventor before: Zong Xiang Inventor before: Liu Tao Inventor before: Chen Tengyuan Inventor before: Luo Dong |
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