CN218102577U - Novel 110kV line protection measurement and control integrated device - Google Patents
Novel 110kV line protection measurement and control integrated device Download PDFInfo
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- CN218102577U CN218102577U CN202222560780.8U CN202222560780U CN218102577U CN 218102577 U CN218102577 U CN 218102577U CN 202222560780 U CN202222560780 U CN 202222560780U CN 218102577 U CN218102577 U CN 218102577U
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Abstract
A novel 110kV line protection, measurement and control integrated device comprises a mainboard, two power supply plug-ins III, a communication plug-in III, a CPU plug-in III, a standby plug-in III, an empty plug-in III, an operation plug-in, an input plug-in III, an output plug-in III and an alternating current sampling plug-in III, wherein the two power supply plug-ins III, the communication plug-in III, the CPU plug-in III, the standby plug-in III, the empty plug-in III, the operation plug-in, the input plug-in III, the output plug-in III and the alternating current sampling plug-in III are plugged in the mainboard; the plug-in III is connected with a circuit breaker wiring terminal and a disconnecting link wiring terminal in the primary equipment body respectively; the plug-in component III is connected with a disconnecting link wiring terminal in the primary equipment body; the alternating current sampling plug-in III is connected with a current transformer wiring terminal and a voltage transformer wiring terminal in a primary equipment body; the power supply plug-in III is connected with an alternating current and direct current power supply cabinet through three control cables; and the CPU plug-in III is respectively connected with the bus protection cabinet, the fault recording cabinet and the optical cable through an optical cable to carry out SV cascade. The utility model discloses follow hardware architecture with the power, open into, open out, exchange plug-in components such as sampling, communication, CPU and arrange in one set of quick-witted case, simplify secondary line and optical cable.
Description
Technical Field
The utility model belongs to the measurement and control field relates to a 110kV line protection measurement and control integrated device particularly.
Background
The main secondary equipment of the 110kV line of the intelligent station is provided with a protection, measurement and control integrated device and an intelligent integrated device, wherein the protection, measurement and control integrated device belongs to bay level equipment and completes protection, measurement and control functions; the intelligent integrated device belongs to process layer equipment, completes the functions of analog quantity sampling, hard contact signal input and output, operation loop and the like, and has the capacity of realizing SV/GOOSE data interaction in a networking and point-to-point mode.
As shown in fig. 1, the existing protection, measurement and control integrated device includes a power supply plug-in unit I11, a communication plug-in unit I12, a CPU plug-in unit I13, an optical communication plug-in unit I14, an add-out plug-in unit I15, an add-in plug-in unit I16, and a plurality of empty plug-in units I17.
As shown in fig. 2, the existing intelligent integrated device includes a power supply plug-in unit II 21, an optical communication plug-in unit II 22, 2 plug-in unit II 23, 5 plug-in unit II 24, 2 ac sampling plug-in units II 25, and a plurality of empty plug-in units II 26.
As shown in fig. 4, the schematic diagram of the secondary line connection of the line interval current secondary device is shown, in the prior art, data sharing of each interval is realized through a process layer network or a point-to-point communication mode, one layer (process layer device) and one network (process layer network) are added for an intelligent station compared with a conventional station, an optical cable can replace information transmitted by a plurality of cables, and the secondary line is greatly simplified.
However, one more layer of equipment, namely a plurality of control cables and optical cables are added; the number of layers is large, the number of connections among equipment is increased, the number of fault points is relatively increased, and the maintenance is not facilitated; the investment is saved by reducing the control cable, but the layering is increased, and the equipment cost is increased more; the virtual terminal communication work is more complicated, the storage workload of the virtual terminal file is increased, and the virtual terminal communication work is not easy during equipment transformation.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: how to simplify 110kV circuit equipment configuration, reduce secondary line and virtual terminal, realize convenient fortune dimension, provide a novel 110kV circuit protection observes and controls integrated device.
The technical scheme of the utility model specifically does:
a novel 110kV line protection, measurement and control integrated device comprises a mainboard, two power supply plug-ins III, a communication plug-in III, a CPU plug-in III, at least one standby plug-in III, an empty plug-in III, at least one operation plug-in, at least one opening plug-in III and an alternating current sampling plug-in III, wherein the two power supply plug-ins III, the communication plug-in III, the CPU plug-in III, the at least one standby plug-in III, the empty plug-in III, the at least one operation plug-in, the at least one opening plug-in III and the alternating current sampling plug-in III are inserted into the mainboard; the plug-in III is connected with a circuit breaker wiring terminal and a disconnecting link wiring terminal in the primary equipment body respectively; the plug-in component III is connected with a disconnecting link wiring terminal in the primary equipment body; the alternating current sampling plug-in III is connected with a current transformer wiring terminal and a voltage transformer wiring terminal in a primary equipment body; the power supply plug-in unit III is connected with the alternating current and direct current power supply cabinet through three control cables; and the CPU plug-in III is respectively connected with the bus protection cabinet, the fault recording cabinet and the optical cable through an optical cable to carry out SV cascade.
The total number of the operation plug-in units is two, and the hardware circuits of the operation loops of the combined gate loop 1 and the trip loop 2 are completed together.
Insert III is open for a total of three.
Insert III is shown for a total of two.
The spare plug-in III has two parts in total, one part can expand a communication optical port, and the other part can expand an input/output contact.
The beneficial effects of the utility model are that: the power supply, the input, the output and the AC sampling are carried out from the hardware structure the communication and CPU plug-in units are arranged in a set of chassis; the dual power supply design is adopted, so that the power supply reliability is improved; the single set of device integrates the functions of protection, measurement and control, analog quantity sampling, hard contact signal input and output, operation loop and the like; data interaction between spacer layer equipment is realized through an optical port; abandoning process layer equipment and process layer network, no virtual terminal exists between the interval equipment, and the secondary line and the optical cable are simplified.
Drawings
Fig. 1 is a schematic diagram of a protection, measurement and control integrated device back plug-in the prior art.
Fig. 2 is a schematic diagram of a backside plug-in of a smart integrated device in the prior art.
Fig. 3 is the utility model discloses a protection observes and controls integrated device back plug-in components sketch map.
Fig. 4 is a schematic diagram of secondary line connection of secondary equipment at line intervals in the prior art.
Fig. 5 is the schematic diagram of the secondary line connection of the line interval secondary equipment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in fig. 3, a novel 110kV line protection, measurement and control integrated device is located in a control cubicle or an intelligent control cubicle, and includes a motherboard, and two power supply plug-ins III 31, a communication plug-in III 32, a CPU plug-in III 33, at least one standby plug-in III 34, an empty plug-in III 35, at least one operation plug-in 36, at least one opening plug-in III 37, at least one opening plug-in III 38, and an ac sampling plug-in III 39 which are inserted on the motherboard.
The two power supply plug-ins III 31 are connected into the device as double power supplies, static switching of the power supplies is completed inside the device, the power supplies are used by other plug-ins, and power supply reliability is improved.
The communication plug-in III 32 completes the communication of the time and station control layer equipment.
The CPU plug-in III 33 is provided with a communication interface for opposite side optical fiber differential protection; the CPU plug-in III 33 is provided with a point-to-point communication optical port with a bus protection device, a wave recording device and a watt-hour meter; bus voltage data can also be obtained through optical port communication.
The alternating current sampling plug-in III 39 completes the analog quantity sampling of the current and the line side voltage at the interval.
The operation plug-ins 36, which in this embodiment are two in number, together complete the hardware circuit of the operation loops of the 1-gang gate loop, 2-gang trip loop, where the electrical principle of the operation loops is prior art.
The number of the access plug-ins III 37 is three, and the access plug-ins III have a total access condition of 80-way access.
The output plug-ins III 38 have two in total and have 40-way output capacity.
The spare package III 34 has two in total, one expandable communication optical port and the other expandable in/out contacts.
As shown in fig. 5, when the novel 110kV line protection, measurement and control integrated device completes secondary wiring, an input plug-in III 37 thereof is respectively connected with a circuit breaker wiring terminal and a disconnecting link wiring terminal in the primary device body; the plug-in III 38 is connected with a disconnecting link wiring terminal in the primary equipment body; an alternating current sampling plug-in III 39 is connected with a current transformer wiring terminal and a voltage transformer wiring terminal in a primary equipment body; the power supply plug-in III 31 is connected with an alternating current and direct current power supply cabinet through three control cables; the CPU plug-in III 33 is respectively connected with the bus protection cabinet through one optical cable, connected with the fault recording cabinet through one optical cable and connected with one optical cable for SV cascade connection.
It should be noted that the bus protection cabinet, the fault recording cabinet and the ac/dc power supply cabinet are all located in the secondary equipment room, and the bus protection cabinet and the fault recording cabinet are respectively connected with the ac/dc power supply cabinet through a control cable.
Like this, original intelligent substation monitored control system adopts three-layer two-network structure, the utility model discloses a function integration optimization such as protection, observing and controlling, sampling, hard contact signal input and output, operation return circuit, the reducible about 2 accuse cables of secondary line, 3 optical cables cancel the virtual terminal contact between circuit interval process layer equipment and wall layer equipment, cancel process layer equipment and process layer network, monitored control system can simplify to two-layer network structure. That is, the present invention relates only to the change of the hardware structure, and the electrical principle thereof is the prior art.
The hardware structure of the utility model integrates the power supply, the input and output, the AC sampling, the communication, the CPU and other plug-ins into 1 case; a dual power supply design is adopted; the single set of device integrates the functions of protection, measurement and control, sampling, hard contact signal input and output, operation loop, communication and the like.
While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the general inventive concept, and it is intended to cover all such changes and modifications as fall within the true spirit and scope of the invention.
Claims (5)
1. The utility model provides a novel 110kV line protection observes and controls integrated device which characterized in that: the system comprises a mainboard, two power supply plug-ins III (31), a communication plug-in III (32), a CPU plug-in III (33), at least one standby plug-in III (34), a null plug-in III (35), at least one operation plug-in (36), at least one opening plug-in III (37), at least one opening plug-in III (38) and an alternating current sampling plug-in III (39), wherein the two power supply plug-ins III (31), the communication plug-in III (32), the CPU plug-in III (33), the at least one standby plug-in III (34), the null plug-in III (35), the at least one operation plug-in (36), the at least one opening plug-in III (37) and the alternating current sampling plug-in III (39) are inserted on the mainboard; the plug-in III (37) is connected with a breaker wiring terminal and a disconnecting link wiring terminal in the primary equipment body respectively; the plug-in III (38) is connected with a disconnecting link wiring terminal in the primary equipment body; an alternating current sampling plug-in III (39) is connected with a current transformer wiring terminal and a voltage transformer wiring terminal in a primary equipment body; the power supply plug-in unit III (31) is connected with the alternating current and direct current power supply cabinet through three control cables; and the CPU plug-in III (33) is respectively connected with the bus protection cabinet through an optical cable, connected with the fault recording cabinet through an optical cable and connected with the optical cable for SV cascade connection.
2. The novel 110kV line protection, measurement and control integrated device according to claim 1, characterized in that: the operation plug-in units (36) are two in total, and jointly complete hardware circuits of the operation loops of the 1 combined gate loop and the 2 groups of tripping loops.
3. The novel 110kV line protection, measurement and control integrated device according to claim 1, characterized in that: there are three open inserts III (37).
4. The novel 110kV line protection, measurement and control integrated device according to claim 1, characterized in that: insert III (38) is shown in total of two.
5. The novel 110kV line protection, measurement and control integrated device according to claim 1, characterized in that: the spare package III (34) has two in total, one of which is expandable for communication optical ports and the other of which is expandable for in/out contacts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222560780.8U CN218102577U (en) | 2022-09-27 | 2022-09-27 | Novel 110kV line protection measurement and control integrated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222560780.8U CN218102577U (en) | 2022-09-27 | 2022-09-27 | Novel 110kV line protection measurement and control integrated device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218102577U true CN218102577U (en) | 2022-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222560780.8U Active CN218102577U (en) | 2022-09-27 | 2022-09-27 | Novel 110kV line protection measurement and control integrated device |
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| Country | Link |
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| CN (1) | CN218102577U (en) |
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- 2022-09-27 CN CN202222560780.8U patent/CN218102577U/en active Active
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