CN113420435B - Automatic configuration method for loop diagnosis function of intelligent substation - Google Patents
Automatic configuration method for loop diagnosis function of intelligent substation Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 80
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- 230000011664 signaling Effects 0.000 claims description 12
- 239000011229 interlayer Substances 0.000 claims description 8
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- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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Abstract
The invention relates to an automatic configuration method for a loop diagnosis function of an intelligent substation. The station control layer signal of the spacer layer equipment and the corresponding process layer output virtual terminal adopt logic nodes with the same type and the same instance number; station control layer signals of the spacer layer equipment and corresponding process layer input virtual terminals thereof adopt logic nodes with the same type and the same instance number; the process layer equipment input virtual terminal and the corresponding receiving feedback signal adopt logic nodes with the same type and the same instance number; traversing all virtual circuit connection relations, and establishing a secondary circuit logical relation between the spacer layer devices; traversing all virtual loop connection relations, and establishing a secondary loop logic relation for signals transmitted to the process layer equipment by the bay layer equipment; and traversing all the virtual loop connection relations, and establishing a secondary loop logic relation for the signals transmitted to the spacer layer equipment by the process layer equipment. The invention can establish the logical relationship of the secondary circuit in an automatic configuration mode, improve the configuration efficiency and quality and promote the popularization and application of the circuit diagnosis function.
Description
Technical Field
The invention relates to the field of intelligent substations, in particular to an automatic configuration method for loop diagnosis function of an intelligent substation.
Background
The conventional transformer substation secondary circuit is connected by a cable, the integrity and the correctness of the secondary circuit cannot be verified by an automatic method, the reliability of the circuit can be ensured only by a circuit test before operation, whether the circuit is abnormal or not is verified by regular maintenance after operation, and a large amount of precious experience is accumulated by relay protection operation and maintenance engineers in our country in the aspects of manual inspection or regular inspection.
Most of cable wiring of an original conventional transformer substation is converted into optical cable wiring by the intelligent transformer substation through a digital technology, the invisibility of a digital loop brings changes of the ground cover for verification and troubleshooting of a secondary loop, and the operation and maintenance means of the conventional transformer substation is obviously infeasible to move to the intelligent transformer substation completely. In consideration of the characteristic of digitization of the intelligent substation, rapid development has been achieved in recent years by using a computer to assist in analyzing the operation condition of the substation, and these computer-assisted analysis means can be collectively referred to as advanced operation and maintenance of the intelligent substation.
The thought of the advanced operation and maintenance of the intelligent transformer substation is basically consistent, namely, based on a large amount of shared data of the digital transformer substation, partial operation and maintenance work of the original conventional transformer substation is replaced or optimized through an automatic intelligent auxiliary judgment or verification means, wherein the intelligent diagnosis of the secondary circuit is advanced application of the intelligent transformer substation with higher user requirements in recent years.
In the prior art, most of intelligent diagnosis of a secondary circuit is carried out on the basis of finished secondary circuit configuration, the configuration workload of the actual secondary circuit is not negligible, the configuration workload of a transformer substation with a larger scale is larger, the configuration efficiency is low, the quality is difficult to guarantee, and the intelligent diagnosis of the secondary circuit is difficult to popularize and apply.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides an automatic configuration method for loop diagnosis functions of an intelligent substation, which reduces the workload of secondary loop configuration and improves the automation level of the intelligent substation.
In order to achieve the purpose, the technical scheme of the invention is as follows: an automatic configuration method for a loop diagnosis function of an intelligent substation comprises the following steps:
s1, adopting logic nodes with the same type and the same instance number for the station control layer signal of the interlayer equipment and the corresponding process layer output virtual terminal;
s2, adopting logic nodes with the same type and the same instance number for the station control layer signal of the interlayer equipment and the corresponding process layer input virtual terminal;
s3, adopting logic nodes with the same type and the same instance number for the process layer equipment input virtual terminal and the corresponding receiving feedback signal;
s4, traversing all virtual circuit connection relations, and establishing a secondary circuit logic relation between spacer layer equipment;
s5, traversing all virtual loop connection relations, and establishing a secondary loop logic relation of the interlayer device transmitting signals to the process layer device;
and S6, traversing all the virtual loop connection relations, and establishing a secondary loop logic relation of the process layer equipment for transmitting signals to the spacer layer equipment.
In step S2, in order to distinguish station level signals from their corresponding process level input virtual terminals, different logical node prefixes are allowed to be applied to the station level signals or the process level input virtual terminals when creating the ICD model for the bay level device.
In step S3, in order to distinguish the feedback signal from its corresponding process-layer input virtual terminal, different logical node prefixes are allowed to be applied to the feedback signal or the process-layer input virtual terminal when creating the ICD model for the process-layer device.
In an embodiment of the present invention, in step S4, the signals transmitted between the spacer layer devices establish a secondary loop logic relationship according to the following relationship: transmitting end spacer layer equipment remote signaling- > transmitting end spacer layer equipment output virtual terminal- > receiving end spacer layer equipment input virtual terminal- > receiving end spacer layer equipment remote signaling.
In an embodiment of the present invention, in step S5, a secondary loop logic relationship is established for signals transmitted to the process level devices by the bay level devices according to the following relationship: transmitting end spacer layer equipment telecommand- > transmitting end spacer layer equipment output virtual terminal- > receiving end process layer equipment input virtual terminal- > receiving end process layer equipment feedback signal.
In an embodiment of the present invention, in step S6, a secondary loop logic relationship is established for signals transmitted by the process level devices to the bay level devices according to the following relationship: and the transmitting end process layer equipment outputs a virtual terminal- > the receiving end spacer layer input equipment virtual terminal- > the receiving end spacer layer equipment remote signaling.
Compared with the prior art, the invention has the following beneficial effects: the method has the obvious advantages that the logical relation of the secondary circuit can be established in an automatic configuration mode, the automation level of the intelligent substation is improved, and the method provides a powerful support for the practicability of intelligent diagnosis of the secondary circuit.
Drawings
FIG. 1 is a flow chart of a method implementation of the present invention;
fig. 2 is a schematic diagram of information flows of secondary circuits of line protection and bus protection of the intelligent substation.
Detailed Description
The technical scheme of the invention is specifically explained in the following by combining the attached drawings.
The invention discloses an automatic configuration method for a loop diagnosis function of an intelligent substation, which comprises the following steps:
s1, adopting logic nodes with the same type and the same instance number for the station control layer signal of the spacer layer equipment and the corresponding process layer output virtual terminal;
s2, adopting logic nodes with the same type and the same instance number for the station control layer signal of the interlayer equipment and the corresponding process layer input virtual terminal;
s3, adopting logic nodes with the same type and the same instance number for the input virtual terminal of the process layer equipment and the corresponding receiving feedback signal;
s4, traversing all virtual circuit connection line relations, and establishing a secondary circuit logical relation between spacer layer equipment;
s5, traversing all virtual loop connection relations, and establishing a secondary loop logic relation of the interlayer equipment transmitting signals to the process layer equipment;
and S6, traversing all the virtual loop connection relations, and establishing a secondary loop logic relation of the process layer equipment for transmitting signals to the bay layer equipment.
The following is a specific implementation process of the present invention.
As can be seen from fig. 1, the embodiment of the present invention includes the following steps:
s1: and modeling a station control layer signal of the spacer layer equipment and a corresponding process layer output virtual terminal.
In order to realize automatic correlation matching of the process layer output signals and the station control layer signals corresponding to the process layer output signals, when device icd modeling is required to be carried out on the spacer layer equipment, the same type of logic nodes are adopted for the two types of signals, and the same instance number is used.
Taking the circuit protection device shown in fig. 2 as an example, when the protection is tripped, the trip message is simultaneously sent to the station control layer device, and simultaneously the trip GOOSE message is sent to the intelligent terminal corresponding to the branch. To further illustrate, the station control layer trip signal, which may be line protection, is modeled as PROT/ptrc1.do.da (. do.da may maintain existing conventional practice, with no impact on the methods described herein, so the.do.da.is hidden below), and the process layer trip output virtual terminal is modeled as PIGO/PTRC 1. The incidence relation between the trip signal of the line protection station control layer and the process layer output virtual terminal can be established through the logic node PTRC1.
S2: and modeling the station control layer signal of the spacer layer equipment and the corresponding process layer input virtual terminal thereof.
In order to realize automatic correlation matching of the process layer output signals and the corresponding station control layer signals, when the device icd modeling is required to be carried out on the spacer layer equipment, the same type of logic nodes are adopted for the two types of signals, and the same instance number is used.
Taking the circuit protection device shown in fig. 2 as an example, after receiving a switch position signal sent by a process layer intelligent terminal, the circuit protection device can monitor the switch on-off condition in real time, and once the switch position changes, the circuit protection device automatically triggers the switch to shift the remote signaling uploading station control layer equipment. For further explanation, the process level input virtual terminal for the line protection receive switch position may be modeled as PIGO/GGIO1, and the station level switch telemetry signal may be modeled as PROT/GGIO 1.
Considering the requirement of domestic relevant standards on modeling of the input virtual terminal of the intelligent substation process level, the optimal mode is to add GGIO prefix to the input virtual terminal model, namely, the process level input virtual terminal of the switch position is modeled as PIGO/GOINGGIO 1. The incidence relation between the line protection station control layer displacement signal and the process layer input virtual terminal can be established through the logic node GGIO 1.
S3: and modeling the input virtual terminal of the process layer equipment and the corresponding receiving feedback signal.
According to the relevant standard requirements, after the process layer intelligent terminal equipment receives the protection tripping signal, a feedback signal of receiving the protection tripping command needs to be output to indicate that the tripping command is received. The input virtual terminal of the process layer for receiving the protection trip command can be modeled as RPIT/GOINGGIO5, the feedback signal can be modeled as RPIT/FbGGIO5, and the incidence relation of the input virtual terminal of the intelligent terminal and the incidence relation of the corresponding feedback signal can be established through a logic node GGIO 5.
S4: and establishing a secondary loop logic relation between the devices of the spacer layer.
Traversing all virtual loop connection relations, and establishing a logical relation between remote signaling of a station control layer of the equipment in the spacer layer of the transmitting end and an output virtual terminal thereof according to the step S1; and according to the step S2, establishing a logical relation between the input virtual terminal of the receiving end spacer layer equipment and the remote signaling of the station control layer. Thereby establishing the following secondary loop logic relationship: transmitting end spacer layer equipment telecommand- > transmitting end spacer layer equipment output virtual terminal- > receiving end spacer layer equipment input virtual terminal- > receiving end spacer layer equipment corresponds telecommand.
Taking fig. 2 as an example, the following secondary circuit between the line protection and the bus protection is established: the method comprises the steps of line protection action- > line protection tripping virtual terminal- > bus protection starting failure open virtual terminal- > bus protection failure open remote signaling.
S5: and establishing a secondary loop logic relation of the spacer layer equipment for sending signals to the process layer equipment.
Traversing all virtual loop connection relations, and establishing a logical relation between remote signaling of a spacing layer equipment station control layer of the transmitting end and an output virtual terminal thereof according to the step S1; the logical relationship between the process layer device input virtual terminals and their corresponding received feedback signals is established as per step S3. Thereby establishing the following secondary loop logic relationship: the method comprises the steps of sending end spacer layer equipment telecommand- > sending end spacer layer equipment output virtual terminals- > receiving end process layer equipment input virtual terminals- > receiving end process layer equipment reverse correction signals.
Taking fig. 2 as an example, the following secondary circuit of the line protection and the intelligent terminal is established: and the circuit protection action- > the circuit protection tripping virtual terminal- > the intelligent terminal tripping input virtual terminal- > the intelligent terminal receives a protection tripping feedback signal.
S6: and establishing a secondary loop logic relation of the process layer equipment for sending signals to the spacer layer equipment.
And according to the step S2, establishing a logical relation between the input virtual terminal of the receiving end spacer layer equipment and the remote signaling of the station control layer. The following secondary loop logic relationship is established by combining the virtual terminal stay wires: and the transmitting end process layer equipment outputs corresponding remote signaling of the virtual terminal- > the receiving end spacer layer equipment.
Taking fig. 2 as an example, a secondary loop of the line protection and the intelligent terminal may be established: the intelligent terminal switch position output virtual terminal- > the line protection switch position input virtual terminal- > the line protection switch deflection remote signaling.
By adopting the method, the logical relation of the secondary circuit of the whole station can be automatically established, and powerful support is provided for diagnosis of the secondary circuit.
The above are preferred embodiments of the present invention, and all changes made according to the technical scheme of the present invention that produce functional effects do not exceed the scope of the technical scheme of the present invention belong to the protection scope of the present invention.
Claims (6)
1. An automatic configuration method for a loop diagnosis function of an intelligent substation is characterized by comprising the following steps:
s1, adopting logic nodes with the same type and the same instance number for the station control layer signal of the interlayer equipment and the corresponding process layer output virtual terminal;
s2, adopting logic nodes with the same type and the same instance number for the station control layer signal of the interlayer equipment and the corresponding process layer input virtual terminal;
s3, adopting logic nodes with the same type and the same instance number for the input virtual terminal of the process layer equipment and the corresponding receiving feedback signal;
s4, traversing all virtual circuit connection relations, and establishing a secondary circuit logic relation between spacer layer equipment;
s5, traversing all virtual loop connection relations, and establishing a secondary loop logic relation of the interlayer device transmitting signals to the process layer device;
and S6, traversing all the virtual loop connection relations, and establishing a secondary loop logic relation of the process layer equipment for transmitting signals to the bay layer equipment.
2. The automatic configuration method for the loop diagnosis function of the intelligent substation of claim 1, wherein in step S2, when the ICD model is created for bay level devices, different logical node prefixes are allowed to be added to the station level signals or the process level input virtual terminals in order to distinguish the station level signals from the corresponding process level input virtual terminals.
3. The automatic configuration method for the loop diagnosis function of the intelligent substation according to claim 1, wherein in step S3, when the ICD model is created for the process level device, different logical node prefixes are allowed to be added to the feedback signal or the process level input virtual terminal in order to distinguish the feedback signal from the corresponding process level input virtual terminal.
4. The automatic configuration method for the loop diagnosis function of the intelligent substation of claim 1, wherein in step S4, the secondary loop logic relationship is established according to the following relationship for the signals transmitted between the bay level devices: transmitting end spacer layer equipment remote signaling- > transmitting end spacer layer equipment output virtual terminal- > receiving end spacer layer equipment input virtual terminal- > receiving end spacer layer equipment remote signaling.
5. The automatic configuration method for the loop diagnosis function of the intelligent substation according to claim 1, wherein in step S5, a secondary loop logic relationship is established for the signals transmitted to the process level equipment by the bay level equipment according to the following relationship: transmitting end spacer layer equipment telecommand- > transmitting end spacer layer equipment output virtual terminal- > receiving end process layer equipment input virtual terminal- > receiving end process layer equipment feedback signal.
6. The automatic configuration method for the loop diagnosis function of the intelligent substation according to claim 1, wherein in step S6, a secondary loop logic relationship is established for the signals transmitted to the bay level devices by the process level devices according to the following relationship: and the transmitting end process layer equipment outputs a virtual terminal- > the receiving end spacer layer input equipment virtual terminal- > the receiving end spacer layer equipment remote signaling.
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| EP2755334A1 (en) * | 2013-01-15 | 2014-07-16 | ABB Technology AG | Inter-zone communication in industrial control systems |
| EP3480916B1 (en) * | 2017-11-02 | 2022-01-05 | Hitachi Energy Switzerland AG | Method, device, and computer program for configuring an intelligent electronic device |
| CN111786457A (en) * | 2019-04-04 | 2020-10-16 | 国网内蒙古东部电力有限公司 | Hidden fault identification device and method based on multi-source SV consistency comparison |
| CN110059402B (en) * | 2019-04-16 | 2022-07-22 | 南京南瑞继保电气有限公司 | Intelligent substation configuration optimization method based on semantic modeling |
| CN112600303B (en) * | 2020-12-01 | 2022-04-29 | 国家电网有限公司 | Intelligent substation secondary system trouble automatic positioning device |
| CN112838677A (en) * | 2021-02-03 | 2021-05-25 | 国网上海市电力公司 | Monitoring system and method of all-in-one station |
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