CN109784699B - Method for checking correctness of SCD (substation configuration description) file between 110kV lines of intelligent substation - Google Patents
Method for checking correctness of SCD (substation configuration description) file between 110kV lines of intelligent substation Download PDFInfo
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Abstract
The invention relates to a method for checking the correctness of an interval SCD file of a 110kV line of an intelligent substation, and belongs to the field of power grids. The method comprises the following steps: checking the integrity of the configuration; checking the correctness of SV and GOOSE information flow direction; checking information between the protection device and the merging unit; checking information between the protection device and the intelligent terminal; checking information between the protection device and the measurement and control device; checking information between the merging unit and the intelligent terminal; checking information between the merging unit and the measurement and control device; checking information between the intelligent terminal and the measurement and control device; and when the checking is finished respectively according to the third step to the eighth step and the results are correct, judging that the secondary virtual circuit of the 110kV line interval SCD file is correct. The method of the invention enables the correctness of the secondary virtual circuit of the SCD file to be standardized and normalized, and eliminates the hidden trouble of safe operation of the power grid.
Description
Technical Field
The invention belongs to the field of power grids, and relates to a method for checking the correctness of an SCD (substation configuration description) file in an interval of 110kV lines of an intelligent substation.
Background
An intelligent substation system configuration file (SCD), which is called a total station system configuration file for short, describes example configurations and communication parameters of all IEDs, communication configurations among intelligent Electronic devices IEDs (intelligent Electronic devices), and a primary system structure of a substation, wherein example configurations, i.e., secondary virtual circuits, including current and voltage channels, tripping and closing circuits, signal circuits, alarm signals, and the like, are the core of the configuration file, and the correctness of the secondary virtual circuit configuration of the SCD file is very important for the safe operation of the substation.
At present, the file is usually completed by a design unit and a system integration manufacturer, a unified technical method is lacked to check the correctness of the secondary virtual loop of the SCD file, difficulties are brought to interval operation and maintenance, extension and the like of a 110kV line of an intelligent substation, and hidden dangers are left for safe operation of a power grid.
In order to solve the above problems, a method for checking the correctness of the secondary virtual loop of the 110kV line interval SCD file needs to be researched, so as to standardize and standardize the secondary virtual loop.
Disclosure of Invention
In view of this, the present invention provides a method for checking correctness of an SCD file in an interval between 110kV lines of an intelligent substation.
In order to achieve the purpose, the invention provides the following technical scheme:
a method for checking the correctness of an SCD file in a 110kV line interval of an intelligent substation comprises the following steps:
the method comprises the following steps: checking the integrity of the configuration;
step two: checking the correctness of SV and GOOSE information flow direction;
step three: checking information between the protection device and the merging unit;
step four: checking information between the protection device and the intelligent terminal;
step five: checking information between the protection device and the measurement and control device;
step six: checking information between the merging unit and the intelligent terminal;
step seven: checking information between the merging unit and the measurement and control device;
step eight: checking information between the intelligent terminal and the measurement and control device;
step nine: and when the checking is finished respectively according to the third step to the eighth step and the results are correct, judging that the secondary virtual circuit of the 110kV line interval SCD file is correct.
Further, the first step specifically comprises: checking the integrality of the line protection device, the line measurement and control device, the line interval merging unit and the intelligent terminal; if any intelligent electronic device IED is absent, the judgment is wrong, otherwise, the judgment is correct; when the protection device and the measurement and control device are combined into a whole, the protection device is a protection measurement and control integrated device.
Further, the second step specifically comprises: the flow direction of input/output information of SV and GOOSE between intelligent electronic equipment IEDs needs to be correct, and inspection and judgment are respectively carried out according to the mutual logic relationship among the protection device, the merging unit, the measurement and control device and the intelligent terminal.
Further, the third step is specifically:
s31: checking SV information flow direction; when the information flow directions of the line protection device and the merging unit meet the requirements of the table 1, judging the information flow directions to be correct, otherwise, judging the information flow directions to be wrong;
SV information flow direction table between table 1110 kV line protection device and merging unit
| Merging units, i.e. transmitting ends | Protective devices, i.e. receivers |
| Rated time delay | Rated time delay |
| Protection of phase a current 1 | Protection of phase A current 1 |
| Protection of phase a current 2 | Protection of phase a current 2 |
| Protection of phase B current 1 | Protection of phase B current 1 |
| Protection of phase B current 2 | Protection of phase B current 2 |
| Protection of C-phase current 1 | Protection of C-phase current 1 |
| Protection of C-phase current 2 | Protection of C-phase current 2 |
| Protecting A-phase voltage 1, i.e. post-switching bus voltage | Protecting A-phase voltage 1 |
| Protecting A-phase voltage 2, i.e. post-switching bus voltage | Protecting A-phase voltage 2 |
| Protecting the B-phase voltage 1, i.e. the switched bus voltage | Protecting phase-B voltage 1 |
| Protecting the B-phase voltage 2, i.e. the switched bus voltage | Protecting the B-phase voltage 2 |
| Protecting the C-phase voltage 1, i.e. the switched bus voltage | Protecting C-phase voltage 1 |
| Protecting the C-phase voltage 2, i.e. the switched bus voltage | Protecting the C-phase voltage 2 |
| Line extraction voltage 1 | Line voltage 1 |
| Line extraction voltage 2 | Line voltage 2 |
S32: and checking the flow direction of the GOOSE information, judging that the GOOSE information is correct when no GOOSE information exists between the line protection device and the merging unit, and judging that the GOOSE information is wrong if no GOOSE information exists between the line protection device and the merging unit.
Further, the fourth step is specifically:
s41: checking SV information flow direction, judging that the SV information is correct when no SV information exists between the line protection device and the intelligent terminal, and judging that the SV information is wrong if the SV information does not exist between the line protection device and the intelligent terminal;
s42: checking the flow direction of GOOSE information; when the information flow directions of the line protection device and the intelligent terminal meet the requirements of the table 2, judging the information flow directions to be correct, otherwise, judging the information flow directions to be wrong;
table 2110 kV gate wire protector and intelligent terminal GOOSE information flow direction table
| Intelligent terminals, i.e. transmitting terminals | Protective devices, i.e. receivers |
| The circuit breaker A is in phase position and has two points | Phase A of circuit breaker |
| The phase of the breaker B is two points | Phase B of circuit breaker |
| The C phase of the circuit breaker is double-point | C phase position of circuit breaker |
| Locking reclosing lock | Intelligent terminal locking reclosing lock |
| Low-pressure locking reclosing switch | Low-pressure locking reclosing switch |
| Protective devices, i.e. transmitting ends | Intelligent terminals, i.e. receiving terminals |
| Protection of C-phase current 1 | Breaker phase a trip TJQ |
| Protection tripping circuit breaker A phase | Breaker phase B trip TJQ |
| Protection tripping breaker B phase | Breaker C-phase trip TJQ |
| Protective tripping breaker C phase | Three-phase closing of circuit breaker |
| Reclosing lock of circuit breaker | Circuit breaker locking reclosing |
| Locking reclosing lock | Three-phase tripping TJF of circuit breaker |
| Three-phase inconsistent outlet of circuit breaker | Protecting C-phase voltage 1 |
| Protecting the C-phase voltage 2, i.e. the switched bus voltage | Protecting the C-phase voltage 2 |
| Line extraction voltage 1 | Line voltage 1 |
| Line extraction voltage 2 | Line voltage 2 |
。
Further, the fifth step is specifically: and if no SV or GOOSE information exists between the line protection device and the measurement and control device, judging the result to be correct, otherwise, judging the result to be wrong.
Further, the sixth step is specifically:
s61: checking SV information flow direction, judging that the SV information is correct when no SV information exists between the line interval merging unit and the intelligent terminal, and judging that the SV information is wrong if the SV information does not exist between the line interval merging unit and the intelligent terminal;
s62: checking the flow direction of GOOSE information, judging that the GOOSE information is correct when the flow directions of the line interval merging unit and the intelligent terminal meet the requirements of the table 3, and otherwise, judging that the GOOSE information is wrong;
GOOSE information flow direction table between table 3110 kV line interval merging unit and intelligent terminal
| Intelligent terminals, i.e. transmitting terminals | Merging units, i.e. receivers |
| The position of the bus disconnecting link 1 is double points | Bus knife switch 1 position |
| The position of the bus knife switch 2 is double points | Bus knife switch 2 position |
。
Further, the seventh step specifically includes:
s71: checking SV information flow direction, and judging the information flow direction to be correct when the information flow directions of the line interval merging unit and the measurement and control device meet the requirements of the table 4, otherwise, judging the information flow direction to be wrong;
SV information flow direction table between table 4110 kV line interval merging unit and measurement and control device
S72: checking the flow direction of GOOSE information, and judging that the GOOSE information flow direction is correct when the flow direction of the GOOSE information flow direction accords with the requirements of the table 5 and the descriptions of signals received by the measurement and control device and signals sent by the merging unit are consistent, otherwise, judging that the GOOSE information flow direction is wrong;
GOOSE information flow direction table between table 5110 kV line interval merging unit and measurement and control device
| Merging units, i.e. transmitting ends | Measurement and control devices, i.e. receiving terminals |
| Maintenance state | Open 1, merging unit service status |
| Synchronization exception | Open 2, i.e. merging unit synchronization exception |
| Voltage switching to the I-mother | Open 3, i.e. merging cell voltage switches to Imother |
| Voltage switching to the il bus | Open 4, i.e. merging cell voltage switches to il mother |
| Simultaneous action of voltage switching | Open 5, i.e. merging cell voltage switching acts simultaneously |
| Voltage switching with return | Open 6, i.e. merging cells voltage switching while returning |
| GOOSE communication interruption | Open 7, i.e. merging cell GOOSE communication interruptions |
| GOOSE data exception | Open 8, merge unit GOOSE data exceptions |
| GOOSE overhaul inconsistency | Open 9, i.e. merge unit GOOSE overhaul inconsistency |
| SV chain scission | Opening 10, i.e. breaking the chain by merging units SV |
。
Further, the step eight specifically includes:
s81: checking SV information flow direction, judging that the SV information is correct when no SV information exists between the line intelligent terminal and the measurement and control device, and judging that the SV information is wrong if the SV information does not exist between the line intelligent terminal and the measurement and control device;
s82: checking the flow direction of GOOSE information, and judging that the GOOSE information flow direction is correct when the flow direction of the intelligent line terminal and the flow direction of the measurement and control device meet the requirements of the table 6.1 and the table 6.2 and the descriptions of signals received and transmitted by the measurement and control device and signals transmitted and received by the intelligent terminal are consistent, otherwise, judging that the GOOSE information flow direction is wrong;
GOOSE information flow direction table from table 6.1110 kV line intelligent terminal to measurement and control device
GOOSE information flow direction table from table 6.2110 kV line measurement and control device to intelligent terminal
| Measurement and control devices, i.e. transmitters | Intelligent terminals, i.e. receiving terminals |
| Remote control opening of circuit breaker | Breaker opening operation |
| Remote control closing switch of circuit breaker | Closing operation of circuit breaker |
| Disconnecting link 1 remote control disconnecting link | Bus disconnecting link 1 switching-off operation |
| Remote control switch-on of knife switch 1 | Closing operation of bus knife switch 1 |
| Disconnecting link 2 remote control disconnecting link | Bus disconnecting link 2 opening operation |
| Knife switch 2 remote control closing | 2 closing operation of bus knife switch |
| Disconnecting link 3 remote control disconnecting link | Line knife switch opening operation |
| Disconnecting link 3 remote control switch-on | Line knife switch closing operation |
| Grounding switch 1 remote control switch-off | Disconnecting operation of grounding knife switch 1 |
| Remote control switch-on of grounding knife switch 1 | Closing operation of grounding knife switch 1 |
| Grounding knife switch 2 remote control separating switch | Grounding knife switch 2 is dividedGate operation |
| Grounding knife switch 2 remote control switch-on | Grounding knife switch 2 closing operation |
| Grounding knife switch 3 remote control separating switch | Grounding knife switch 3 switching-off operation |
| Grounding knife switch 3 remote control switch-on | Grounding knife switch 3 closing operation |
| Intelligent terminal reset | External rehabilitation |
。
The invention has the beneficial effects that: the method of the invention enables the correctness of the secondary virtual circuit of the SCD file to be standardized and normalized, and eliminates the hidden trouble of safe operation of the power grid.
Drawings
In order to make the object, technical scheme and beneficial effect of the invention more clear, the invention provides the following drawings for explanation:
FIG. 1 is a schematic diagram illustrating SV information flow between a 110kV line protection device and a merging unit;
FIG. 2 is a schematic diagram of a flow of GOOSE information between the 110kV line protection device and the intelligent terminal;
FIG. 3 is a schematic diagram illustrating a flow of GOOSE information between a 110kV line interval merging unit and an intelligent terminal;
FIG. 4 is a schematic diagram of SV information flow between a 110kV line interval merging unit and a measurement and control device;
FIG. 5 is a schematic diagram of the flow of GOOSE information between the 110kV line interval merging unit and the measurement and control device;
fig. 6(a) is a schematic flow diagram of GOOSE information from the intelligent terminal of the 110kV line to the measurement and control device; fig. 6(b) is a schematic diagram of GOOSE information flow from the 110kV line measurement and control device to the intelligent terminal.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
The invention provides a method for checking the correctness of an interval SCD (substation configuration description) file secondary virtual circuit of a 110kV line of an intelligent substation, which comprises the following steps:
step one, checking the integrity of the configuration. The intelligent monitoring system comprises a line protection device, a line measurement and control device, a line interval merging unit and an intelligent terminal, wherein if any IED is lacked, the judgment is wrong, and otherwise, the judgment is correct. Under special conditions, the protection device and the measurement and control device are combined into a whole, and the protection device and the measurement and control device are integrated.
And step two, checking the flow direction correctness of SV and GOOSE information. The input/output information flow of SV and GOOSE among the IEDs is correct, and the IEDs are respectively checked and judged according to the mutual logical relationship among the protection device, the merging unit, the measurement and control device and the intelligent terminal.
And step three, checking information between the protection device and the merging unit.
(1) The SV information flows as shown in FIG. 1. When the information flow direction of the line protection device and the merging unit meets the following requirements, the judgment is correct, otherwise, the judgment is wrong.
(2) And the GOOSE information flow direction does not exist between the protection device and the merging unit. And when the GOOSE information does not exist between the line protection device and the merging unit, judging that the GOOSE information is correct, otherwise, judging that the GOOSE information is wrong.
And step four, checking information between the protection device and the intelligent terminal.
(1) And SV information flows to the protection device, and no SV information exists between the protection device and the intelligent terminal. And when no SV information exists between the line protection device and the intelligent terminal, judging the line protection device to be correct, otherwise, judging the line protection device to be wrong.
(2) GOOSE information flow is shown in fig. 2. And when the information flow directions of the line protection device and the intelligent terminal meet the following requirements, judging that the information flow directions are correct, and otherwise, judging that the information flow directions are wrong.
And fifthly, checking information between the protection device and the measurement and control device. SV and GOOSE information does not exist between the protection device and the measurement and control device. And when SV and GOOSE information does not exist between the line protection device and the measurement and control device, judging that the result is correct, otherwise, judging that the result is wrong.
And step six, checking information between the merging unit and the intelligent terminal.
(1) And SV information flows to the merging unit, and no SV information exists between the merging unit and the intelligent terminal. And when no SV information exists between the line interval merging unit and the intelligent terminal, judging that the result is correct, otherwise, judging that the result is wrong.
(2) GOOSE information flows as shown in fig. 3. And when the information flow direction of the line interval merging unit and the intelligent terminal meets the following requirements, judging that the information flow direction is correct, and otherwise, judging that the information flow direction is wrong.
And seventhly, checking information between the merging unit and the measurement and control device.
(1) The SV information flows as shown in FIG. 4. And when the information flow direction of the line interval merging unit and the measurement and control device meets the following requirements, judging that the information flow direction is correct, and otherwise, judging that the information flow direction is wrong.
(2) GOOSE information flow is shown in fig. 5. And when the information flow directions of the line interval merging unit and the measurement and control device meet the following requirements and the descriptions of the signals received by the measurement and control device and the signals sent by the merging unit are consistent, judging that the signals are correct, otherwise, judging that the signals are wrong.
And step eight, checking information between the intelligent terminal and the measurement and control device.
(1) And SV information flows to the intelligent terminal, and no SV information exists between the intelligent terminal and the measurement and control device. And when no SV information exists between the line intelligent terminal and the measurement and control device, judging that the result is correct, otherwise, judging that the result is wrong.
(2) GOOSE information flow is shown in fig. 6(a) (b). And when the information flow directions of the intelligent line terminal and the measurement and control device meet the following requirements and the descriptions of the signals received (transmitted) by the measurement and control device and the signals transmitted (received) by the intelligent terminal are consistent, judging that the signals are correct, otherwise, judging that the signals are wrong.
Step nine, when the checking is finished according to the methods from the step three to the step eight and the results are correct, the secondary virtual circuit of the 110kV line interval SCD file can be judged to be correct.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, while the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (1)
1. A method for checking the correctness of an SCD file at an interval of 110kV lines of an intelligent substation is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: checking the integrity of the configuration; the method comprises the following specific steps:
checking the integrality of the line protection device, the line measurement and control device, the line interval merging unit and the intelligent terminal; if any intelligent electronic device IED is absent, the judgment is wrong, otherwise, the judgment is correct; when the protection device and the measurement and control device are combined into a whole, the protection device and the measurement and control device are integrated;
step two: checking the correctness of SV and GOOSE information flow direction; the method comprises the following specific steps:
the input/output information flow direction of SV and GOOSE between intelligent electronic equipment IEDs needs to be correct, and inspection and judgment are respectively carried out according to the mutual logic relationship among the protection device, the merging unit, the measurement and control device and the intelligent terminal;
step three: checking information between the protection device and the merging unit;
the method specifically comprises the following steps:
s31: checking SV information flow direction; when the information flow directions of the line protection device and the merging unit meet the requirements of the table 1, judging the information flow directions to be correct, otherwise, judging the information flow directions to be wrong;
SV information flow direction table between table 1110 kV line protection device and merging unit
S32: checking the flow direction of the GOOSE information, judging that the GOOSE information is correct when no GOOSE information exists between the line protection device and the merging unit, and judging that the GOOSE information is wrong if the GOOSE information does not exist between the line protection device and the merging unit;
step four: checking information between the protection device and the intelligent terminal;
the method comprises the following specific steps:
s41: checking SV information flow direction, judging that the SV information is correct when no SV information exists between the line protection device and the intelligent terminal, and judging that the SV information is wrong if the SV information does not exist between the line protection device and the intelligent terminal;
s42: checking the flow direction of GOOSE information; when the information flow directions of the line protection device and the intelligent terminal meet the requirements of the table 2, judging the information flow directions to be correct, otherwise, judging the information flow directions to be wrong;
table 2110 kV gate wire protector and intelligent terminal GOOSE information flow direction table
；
Step five: checking information between the protection device and the measurement and control device; the method specifically comprises the following steps:
SV and GOOSE information does not exist between the line protection device and the measurement and control device, the judgment is correct, otherwise, the judgment is wrong;
step six: checking information between the merging unit and the intelligent terminal; the method specifically comprises the following steps:
s61: checking SV information flow direction, judging that the SV information is correct when no SV information exists between the line interval merging unit and the intelligent terminal, and judging that the SV information is wrong if the SV information does not exist between the line interval merging unit and the intelligent terminal;
s62: checking the flow direction of GOOSE information, judging that the GOOSE information is correct when the flow directions of the line interval merging unit and the intelligent terminal meet the requirements of the table 3, and otherwise, judging that the GOOSE information is wrong;
GOOSE information flow direction table between table 3110 kV line interval merging unit and intelligent terminal
；
Step seven: checking information between the merging unit and the measurement and control device; the method comprises the following specific steps:
s71: checking SV information flow direction, and judging the information flow direction to be correct when the information flow directions of the line interval merging unit and the measurement and control device meet the requirements of the table 4, otherwise, judging the information flow direction to be wrong;
SV information flow direction table between gauge 4110 kV line interval merging unit and measurement and control device
S72: checking the GOOSE information flow direction, and judging that the GOOSE information flow direction is correct when the information flow directions of the line interval merging unit and the measurement and control device accord with the requirements of the table 5 and the descriptions of signals received by the measurement and control device and signals sent by the merging unit are consistent, otherwise, judging that the GOOSE information flow direction is wrong;
GOOSE information flow direction table between table 5110 kV line interval merging unit and measurement and control device
；
Step eight: checking information between the intelligent terminal and the measurement and control device; the method comprises the following specific steps:
s81: checking SV information flow direction, judging that the SV information flow direction is correct when no SV information exists between the line intelligent terminal and the measurement and control device, and judging that the SV information flow direction is wrong if the SV information flow direction is not correct;
s82: checking the flow direction of GOOSE information, and judging that the GOOSE information flow direction is correct when the flow direction of the intelligent line terminal and the flow direction of the measurement and control device meet the requirements of the table 6.1 and the table 6.2 and the descriptions of signals received and transmitted by the measurement and control device and signals transmitted and received by the intelligent terminal are consistent, otherwise, judging that the GOOSE information flow direction is wrong;
GOOSE information flow direction table from table 6.1110 kV line intelligent terminal to measurement and control device
GOOSE information flow direction table from table 6.2110 kV line measurement and control device to intelligent terminal
；
Step nine: and when the checking is finished respectively according to the third step to the eighth step and the results are correct, judging that the secondary virtual circuit of the 110kV line interval SCD file is correct.
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