Fully-automatic closed-loop detection method and device for intelligent substation

Patent metadata

Field	Value
Publication number	US-11327114-B2
Application number	US-201916254426-A
Country	US
Kind code	B2
Filing date	Jan 22, 2019
Priority date	Jun 15, 2018
Publication date	May 10, 2022
Grant date	May 10, 2022

Abstract

The fully-automatic closed-loop detection method includes: comparing a SCD file of a to-be-tested substation with a device-type data template file, so as to determine whether configuration information about the to-be-tested substation is correct; when the configuration information about the to-be-tested substation is correct, parsing the SCD file of the to-be-tested substation and generating a SSD topological diagram of the to-be-tested substation; and acquiring a testing item from a predetermined testing item library in accordance with the SSD topological diagram of the to-be-tested substation, generating a testing scheme for the to-be-tested substation, performing a testing operation and outputting a testing result.

First claim

What is claimed is:

1. A fully-automatic closed-loop detection method for an intelligent substation, comprising:
comparing a substation configuration description (SCD) file with a device-type data template file so as to determine whether configuration information about a to-be-tested substation is correct;
when the configuration information about the to-be-tested substation is correct, parsing the SCD file, and generating a system specification description (SSD) topological diagram of the to-be-tested substation; and
acquiring a testing item from a predetermined testing item library in accordance with the SSD topological diagram, generating a testing scheme for the to-be-tested substation, performing a testing operation and outputting a testing result,
wherein the comparing the SCD file with the device-type data template file so as to determine whether the configuration information about the to-be-tested substation is correct comprises:
acquiring the SCD file and a virtual terminal connection standard template file, and comparing the SCD file with the virtual terminal connection standard template file so as to determine whether a connection relationship between SCD virtual terminals of the to-be-tested substation is correct; and
when the connection relationship between the SCD virtual terminals of the to-be-tested substation is correct, reading model configuration information in the SCD file, acquiring a device operating model of the to-be-tested substation, and comparing the model configuration information in the SCD file with the device operating model of the to-be-tested substation, so as to determine whether the configuration information about the to-be-tested substation is correct.

2. The fully-automatic closed-loop detection method according to claim 1 , wherein the acquiring the SCD file and the virtual terminal connection standard template file and comparing the SCD file with the virtual terminal connection standard template file so as to determine whether the connection relationship between the SCD virtual terminals of the to-be-tested substation is correct comprises:
generating a virtual terminal connection typical template library in accordance with the virtual terminal connection standard template file;
parsing the SCD file of the to-be-tested substation, and acquiring a connection relationship between virtual terminals of a protection device and an associated device in the SCD file; and
comparing the connection relationship between the virtual terminals of the protection device and the associated device with the corresponding virtual terminal connection standard template file in the virtual terminal connection typical template library, so as to determine whether the connection relationship between the SCD virtual terminals of the to-be-tested substation is correct.

3. The fully-automatic closed-loop detection method according to claim 1 , wherein the parsing the SCD file and generating the SSD topological diagram of the to-be-tested substation when the configuration information about the to-be-tested substation is correct comprises:
when the configuration information about the to-be-tested substation is correct, parsing the SCD file, generating a main wiring diagram and a bay wiring diagram to generate the SSD topological diagram of the to-be-tested substation, and acquiring an association relationship between a primary device and a secondary device of the to-be-tested substation; and
reading a network communication message of the secondary device, and mapping an operating parameter of the to-be-tested substation to the SSD topological diagram of the to-be-tested substation.

4. The fully-automatic closed-loop detection method according to claim 3 , wherein the parsing the SCD file, generating the main wiring diagram and the bay wiring diagram to generate the SSD topological diagram of the to-be-tested substation, and acquiring the association relationship between the primary device and the secondary device of the to-be-tested substation comprises:
parsing the SCD file, and acquiring a voltage level and bay information in the parsed SCD file;
generating a bay topological feature code in accordance with the bay information, and acquiring a bay wiring diagram template adapted to the bay topological feature code from a predetermined bay device pattern template library, so as to generate the bay wiring diagram;
creating a bus primitive in accordance with the voltage level, and arranging the bay wiring diagram in accordance with the bus primitive so as to generate the main wiring diagram; and
generating the SSD topological diagram of the to-be-tested substation in accordance with the bay wiring diagram and the main wiring diagram, and acquiring the association relationship between the primary device and the secondary device of the to-be-tested substation.

5. The fully-automatic closed-loop detection method according to claim 3 , wherein the reading the network communication message of the secondary device and mapping the operating parameter of the to-be-tested substation to the SSD topological diagram comprises:
reading the network communication message of the secondary device, and parsing and extracting relay protection state information, element position information and device operating state information about the secondary device from the network communication message; and
mapping the relay protection state information, the element position information and the device operating state information about the secondary device to the SSD topological diagram.

6. The fully-automatic closed-loop detection method according to claim 1 , wherein the acquiring the testing item from the predetermined testing item library in accordance with the SSD topological diagram, generating the testing scheme for the to-be-tested substation, performing the testing operation and outputting the testing result comprises:
acquiring information about a to-be-tested device of the to-be-tested substation in accordance with the SSD topological diagram and the SCD file;
extracting a testing item matching the information about the to-be-tested device from the predetermined testing item library, and generating the testing scheme for the to-be-tested substation in accordance with the testing item and a predetermined arrangement rule; and
performing the testing operation on the to-be-tested substation in accordance with the testing scheme, and outputting the testing result.

7. The fully-automatic closed-loop detection method according to claim 6 , wherein the extracting the testing item matching the information about the to-be-tested device from the predetermined testing item library, and generating the testing scheme for the to-be-tested substation in accordance with the testing item and the predetermined arrangement rule comprises:
acquiring a protection logical node of the to-be-tested device, and extracting a testing item matching the protection logical node from the predetermined testing item library; and
generating the testing scheme for the to-be-tested substation in accordance with the extracted testing item and the predetermined arrangement rule.

8. The fully-automatic closed-loop detection method according to claim 6 , wherein the performing the testing operation on the to-be-tested substation in accordance with the testing scheme and outputting the testing result comprises:
outputting a fault amount to the to-be-tested device corresponding to the testing item in the testing scheme, and setting state information about a protection logical node in a target logical node model corresponding to the to-be-tested device; and
comparing the state information about the protection logical node in the target logical node model with actual operating state information

Assignees

• State Grid Hebei Electric Power Res Institute
• State Grid Corp China
• Wuhan Kemov Electric Co Ltd
• State Grid Hebei Energy Tech Service Co Ltd
• State Grid Hebei Energy Tech Service Co Lt D

Inventors

• Luo Peng
• Fan Hui
• Yang Jingchao
• Hao Xiaoguang
• Zhao Yuhao
• He Lei
• Rao Qun

Classifications

• H04L12/40136 Primary

  Nodes adapting their rate to the physical link properties (LAN switches H04L49/351) · CPC title

• H04L12/00

  Data switching networks (interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units G06F13/00) · CPC title

• G01R31/31724 Primary

  Test controller, e.g. BIST state machine (for scan test G01R31/318555) · CPC title

• G01R31/31703

  Comparison aspects, e.g. signature analysis, comparators (concerning scan tests G01R31/318566; concerning testers G01R31/3193) · CPC title