CN102497306A - Method for realizing data transmission of distribution network substation and system thereof - Google Patents
Method for realizing data transmission of distribution network substation and system thereof Download PDFInfo
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- CN102497306A CN102497306A CN2011103613282A CN201110361328A CN102497306A CN 102497306 A CN102497306 A CN 102497306A CN 2011103613282 A CN2011103613282 A CN 2011103613282A CN 201110361328 A CN201110361328 A CN 201110361328A CN 102497306 A CN102497306 A CN 102497306A
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- 230000005540 biological transmission Effects 0.000 title abstract 2
- 238000005259 measurement Methods 0.000 claims abstract description 16
- 238000012546 transfer Methods 0.000 claims description 29
- 230000003139 buffering effect Effects 0.000 claims description 20
- 230000011664 signaling Effects 0.000 claims description 14
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- 238000004891 communication Methods 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The invention discloses a method for realizing data transmission of a distribution network substation and a system thereof. The method comprises: 1, performance information of a distribution network substation is obtained when preset time is reached; 2, state information is assembled into a first IEC1001 message carrying a telecommand ASDU and measurement information is assembled into a second IEC101 message carrying a telemetering ASDU; 3, performance data are generated according to the first IEC 101 message and the second IEC 101 message and are stored to a buffer area; 4, the performance data are sent to a master station by an IEC101 protocol; and 5, the performance data are deleted. According to the invention, the corresponded messages are assembled according to attributes of the performance information of the distribution network substation; and the messages are sent to the master station. According to the above-mentioned technical scheme, crash time of the substation can be reduced; and moreover, a problem that the substation can not timely send the performance information to the master station due to a fault can be avoided; therefore, the power consuming quality and safe operation of a power distribution network are improved; and great economic benefits are brought for power distribution network enterprises and national economy.
Description
Technical field
The present invention relates to the distribution automation field, relate in particular to the method and system that transfer of data is realized in a kind of distribution substation.
Background technology
The distribution substation is the monitoring terminal equipment to distribution network automated monitoring exploitation; It plays distribution main website and distribution network terminal function served as bridge as the intermediate layer in the distribution automation system; Has the powerful information processing function; Can accomplish the TT&C task of switching station and transformer station, also can play the effect of communication manager, protocol converter and measurement and control unit, and can accomplish institute compass of competency feeder fault location, isolation features through the feeder line information of collecting.
Generally speaking, self check information is just uploaded in the distribution substation when start; And only when start, upload once; Generally do not upload for performance data, but the whole cycle of moving from whole distribution substation, and the performance data of operation greatly has influence on the stability of distribution automation system again.For example:, will have influence on the disposal ability of distribution network terminal if CPU usage and memory usage are too high; The hard disk utilization rate is too high, can not save historical data, and will cause whole distribution automation system collapse under the serious situation; When in addition, network interface card is unusual the distribution substation can not with terminal communication or the like.
Summary of the invention
The technical problem that the present invention will solve is; Performance information to prior art distribution substation is not generally uploaded the defective of being brought; Provide a kind of distribution substation to realize the method and system of transfer of data; This technical scheme has reduced working as the machine time of distribution substation, and has avoided owing to the problem of its performance information to the distribution main website can not in time be sent in the reason distribution substation of fault.
The technical solution adopted for the present invention to solve the technical problems is: construct the method that transfer of data is realized in a kind of distribution substation, said method comprising the steps of:
S1. when Preset Time arrives, obtain the performance information of distribution substation, wherein, said performance information comprises state information and metrical information;
S2. respectively this state information is assembled into the IEC101 message that carries remote signalling ASDU and this metrical information is assembled into the 2nd IEC101 message that carries remote measurement ASDU;
S3. generate performance data according to an IEC101 message and the 2nd IEC101 message, and it is stored to distribution substation performance data buffering area;
S4. send said performance data through the IEC101 agreement to the distribution main website;
S5. delete the performance data in the performance data buffering area of distribution substation.
Realize in the method for transfer of data in distribution of the present invention substation, further comprising the steps of before said step S1:
S0. judge whether said Preset Time arrives, if, execution in step S1 then, if not, then step finishes.
Realize after said step S3 with before the said step S4, also specifically may further comprise the steps in the method for transfer of data in distribution of the present invention substation:
S41. receive the order of distribution main website calling performance data;
S42. judge in the performance information buffering area of distribution substation whether contain said performance data, if, execution in step S4 then; If not, then step finishes.
Realize that in distribution of the present invention substation said state information comprises network card status information in the method for transfer of data.
Realize that in distribution of the present invention substation said metrical information comprises CPU usage metrical information, memory usage metrical information and hard disk utilization rate metrical information in the method for transfer of data.
Realize in the method for transfer of data that in distribution of the present invention substation a said IEC101 message comprises startup character, message length, control bit, link address territory, remote signalling ASDU, frame check and and termination character.
Realize in the method for transfer of data that in distribution of the present invention substation said the 2nd IEC101 message comprises startup character, message length, control bit, link address territory, remote measurement ASDU, frame check and and termination character.
The present invention also constructs the system that transfer of data is realized in a kind of distribution substation, and said system comprises acquiring unit, module units, memory cell, transmitting element and the delete cells that connects successively, wherein,
Acquiring unit is used for when Preset Time arrives, obtaining the performance information of distribution substation, and wherein, said performance information comprises state information and metrical information;
Module units is used for respectively said state information is assembled into the IEC101 message that carries remote signalling ASDU and said metrical information is assembled into the 2nd IEC101 message that carries remote measurement ASDU;
Memory cell is used for generating performance data according to a said IEC101 message and the 2nd IEC101 message, and it is stored to distribution substation performance data buffering area;
Transmitting element is used for sending said performance data through the IEC101 agreement to the distribution main website;
Delete cells, the performance data that is used for deleting distribution substation performance data buffering area.
Realize in the system of transfer of data that in distribution of the present invention substation said system also comprises and is connected and is used to judge first judging unit whether said Preset Time arrives with said acquiring unit.
In the system of the existing transfer of data in distribution of the present invention substation, between said memory cell and said transmitting element, also comprise the receiving element and second judging unit that is connected successively, wherein,
Receiving element is used to receive the order of distribution main website calling performance data;
Second judging unit is used to judge in the performance information buffering area of distribution substation whether contain said performance data.
The technical scheme of embodiment of the present invention; Have following beneficial effect: the set of properties according to the performance information of distribution substation is dressed up corresponding message; And sending it to the distribution main website, this technical scheme has reduced working as the machine time of distribution substation, and has avoided owing to the problem of its performance information to the distribution main website can not in time be sent in the reason distribution substation of fault; Thereby improved power distribution network with electricity quality and safe operation, for power distribution network enterprise and national economy are brought huge economic benefit.
Description of drawings
To combine accompanying drawing and embodiment that the present invention is described further below, in the accompanying drawing:
Fig. 1 is the flow chart that the method embodiment one of transfer of data is realized in distribution of the present invention substation;
Fig. 2 is the structural representation of the present invention's the one IEC101 message;
Fig. 3 is the structural representation of remote signalling ASDU in the present invention's the one IEC101 message;
Fig. 4 is the structural representation of the remote signalling ASDU after resolving in the present invention's the one IEC101 message;
Fig. 5 is the structural representation of the present invention's the 2nd IEC101 message;
Fig. 6 is the structural representation of remote measurement ASDU in the present invention's the 2nd IEC101 message;
Fig. 7 is the structural representation of the remote measurement ASDU after resolving in the present invention's the 2nd IEC101 message;
Fig. 8 is the flow chart that the method embodiment two of transfer of data is realized in distribution of the present invention substation;
Fig. 9 is the structural representation that the system of transfer of data is realized in distribution of the present invention substation.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
See also Fig. 1, Fig. 1 is the flow chart that the method embodiment one of transfer of data is realized in distribution of the present invention substation, and is as shown in Figure 1, said method comprising the steps of:
In step S1,, obtains Preset Time the performance information of distribution substation when arriving, and wherein, said performance information comprises state information and metrical information.
Should be noted that in the present embodiment said state information comprises network card status information; Said metrical information comprises CPU usage metrical information, memory usage metrical information and hard disk utilization rate metrical information.
In step S2, respectively this state information is assembled into the IEC101 message that carries remote signalling ASDU and this metrical information is assembled into the 2nd IEC101 message that carries remote measurement ASDU.
Should be noted that a said IEC101 message comprise start character, message length, control bit, link address territory, remote signalling ASDU, frame check and and termination character, as shown in Figure 2; In the present embodiment, suppose that message length is L, wherein; The form of remote signalling ASDU is as shown in Figure 3, if address, distribution substation is 2, being in fault with network card status information is example; Remote signalling ASDU after the parsing is as shown in Figure 4, and those skilled in the art should understand, and repeats no more here.
Said the 2nd IEC101 message comprise start character, message length, control bit, link address territory, remote measurement ASDU, frame check and and termination character, as shown in Figure 5, in the present embodiment, suppose that message length is L; Wherein, the form of remote measurement ASDU is as shown in Figure 6, if address, distribution substation is 2; With CPU usage is 25%, memory usage 46%, and the hard disk utilization rate is 44% for example; Remote measurement ASDU after the parsing is as shown in Figure 7, and those skilled in the art should understand, and repeats no more here.
In step S3, generate performance data according to an IEC101 message and the 2nd IEC101 message, and it is stored to distribution substation performance data buffering area.
In step S4, send said performance data to the distribution main website through the IEC101 agreement.
In step S5, the performance data in the performance data buffering area of deletion distribution substation should be noted that; Implementing this step is in order to verify whether this performance data sends success, if success, then execution in step S5; If not success; Then circulation step S5 till sending successfully, repeats no more at this.
See also Fig. 8, Fig. 8 is the flow chart that the method embodiment two of transfer of data is realized in distribution of the present invention substation, and is as shown in Figure 8, said method comprising the steps of:
In steps A, judge whether Preset Time arrives, if, execution in step B then, if not, then step finishes.Should be noted that this Preset Time can set up on their own according to user's demand, in the present embodiment, this Preset Time can be set to 1 minute, and those skilled in the art should understand, and repeats no more here.
In step B,, obtains Preset Time the performance information of distribution substation when arriving, and wherein, said performance information comprises state information and metrical information.
In step C, respectively this state information is assembled into the IEC101 message that carries remote signalling ASDU and this metrical information is assembled into the 2nd IEC101 message that carries remote measurement ASDU.
In step D, generate performance data according to an IEC101 message and the 2nd IEC101 message, and it is stored to distribution substation performance data buffering area.
In step e, receive the order of distribution main website calling performance data.
In step F, judge in the performance information buffering area of distribution substation whether contain said performance data, if, execution in step G then; If not, then step finishes.
Should be noted that step e and step F can be omitted under a kind of more satisfactory situation, those skilled in the art should understand, and repeats no more here.
In step G, send said performance data to the distribution main website through the IEC101 agreement.
In step H, the performance data in the performance data buffering area of deletion distribution substation.
See also Fig. 9; Fig. 9 is the structural representation that the system of transfer of data is realized in distribution of the present invention substation; As shown in Figure 9; Said system comprises successively first judging unit 1 that connects, acquiring unit 2, module units 3, memory cell 4, receiving element 5, second judging unit 6, transmitting element 7 and delete cells 8, and following mask body is introduced the effect of various piece:
First judging unit 1 is used to judge whether Preset Time arrives.
Acquiring unit 2 is used for when Preset Time arrives, obtaining the performance information of distribution substation, and wherein, said performance information comprises state information and metrical information.
Memory cell 4 is used for generating performance data according to a said IEC101 message and the 2nd IEC101 message, and it is stored to distribution substation performance data buffering area.
Receiving element 5 is used to receive the order of distribution main website calling performance data.
Second judging unit 6 is used to judge in the performance information buffering area of distribution substation whether contain said performance data.
Transmitting element 7 is used for sending said performance data through the IEC101 agreement to the distribution main website.
Delete cells 8, the performance data that is used for deleting distribution substation performance data buffering area.
Compared to prior art; Set of properties according to the performance information of distribution substation is dressed up corresponding message; And sending it to the distribution main website, this technical scheme has reduced working as the machine time of distribution substation, and has avoided owing to the problem of its performance information to the distribution main website can not in time be sent in the reason distribution substation of fault; Thereby improved power distribution network with electricity quality and safe operation, for power distribution network enterprise and national economy are brought huge economic benefit.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the claim scope of the present invention.
Claims (10)
1. the method for a distribution substation realization transfer of data is characterized in that, said method comprising the steps of:
S1. when Preset Time arrives, obtain the performance information of distribution substation, wherein, said performance information comprises state information and metrical information;
S2. respectively this state information is assembled into the IEC101 message that carries remote signalling ASDU and this metrical information is assembled into the 2nd IEC101 message that carries remote measurement ASDU;
S3. generate performance data according to an IEC101 message and the 2nd IEC101 message, and it is stored to distribution substation performance data buffering area;
S4. send said performance data through the IEC101 agreement to the distribution main website;
S5. delete the performance data in the performance data buffering area of distribution substation.
2. the method for transfer of data is realized in distribution according to claim 1 substation, it is characterized in that, and is further comprising the steps of before said step S1:
S0. judge whether said Preset Time arrives, if, execution in step S1 then, if not, then step finishes.
3. the method for transfer of data is realized in distribution according to claim 2 substation, it is characterized in that, after said step S3 with before the said step S4, also specifically may further comprise the steps:
S41. receive the order of distribution main website calling performance data;
S42. judge in the performance information buffering area of distribution substation whether contain said performance data, if, execution in step S4 then; If not, then step finishes.
4. the method for transfer of data is realized in distribution according to claim 3 substation, it is characterized in that said state information comprises network card status information.
5. distribution according to claim 3 substation is characterized in that through the method for IEC101 agreement realization transfer of data said metrical information comprises CPU usage metrical information, memory usage metrical information and hard disk utilization rate metrical information.
6. according to the method for claim 4 or 5 described distribution substations realization transfer of data, it is characterized in that a said IEC101 message comprises startup character, message length, control bit, link address territory, remote signalling ASDU, frame check and and termination character.
7. according to the method for claim 4 or 5 described distribution substations realization transfer of data, it is characterized in that said the 2nd IEC101 message comprises startup character, message length, control bit, link address territory, remote measurement ASDU, frame check and and termination character.
8. the system of a distribution substation realization transfer of data is characterized in that said system comprises acquiring unit, module units, memory cell, transmitting element and the delete cells that connects successively, wherein,
Acquiring unit is used for when Preset Time arrives, obtaining the performance information of distribution substation, and wherein, said performance information comprises state information and metrical information;
Module units is used for respectively said state information is assembled into the IEC101 message that carries remote signalling ASDU and said metrical information is assembled into the 2nd IEC101 message that carries remote measurement ASDU;
Memory cell is used for generating performance data according to a said IEC101 message and the 2nd IEC101 message, and it is stored to distribution substation performance data buffering area;
Transmitting element is used for sending said performance data through the IEC101 agreement to the distribution main website;
Delete cells, the performance data that is used for deleting distribution substation performance data buffering area.
9. the system of transfer of data is realized in distribution according to claim 8 substation, it is characterized in that, said system also comprises and is connected and is used to judge first judging unit whether said Preset Time arrives with said acquiring unit.
10. the system of transfer of data is realized in distribution according to claim 9 substation, it is characterized in that, between said memory cell and said transmitting element, also comprises the receiving element and second judging unit that is connected successively, wherein,
Receiving element is used to receive the order of distribution main website calling performance data;
Second judging unit is used to judge in the performance information buffering area of distribution substation whether contain said performance data.
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| CN104993970A (en) * | 2014-12-22 | 2015-10-21 | 国家电网公司 | Centralized monitoring method of distributed system key operation index data |
| CN113993075A (en) * | 2021-11-19 | 2022-01-28 | 珠海市鸿瑞信息技术股份有限公司 | Information monitoring system and method based on distribution network encryption |
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