CN213024042U - Cooperative control system for multiple high-voltage frequency converters realized in optical fiber Ethernet mode - Google Patents
Cooperative control system for multiple high-voltage frequency converters realized in optical fiber Ethernet mode Download PDFInfo
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- CN213024042U CN213024042U CN202022065444.7U CN202022065444U CN213024042U CN 213024042 U CN213024042 U CN 213024042U CN 202022065444 U CN202022065444 U CN 202022065444U CN 213024042 U CN213024042 U CN 213024042U
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Abstract
The utility model discloses a many high-voltage inverter cooperative control system who realizes with optic fibre ethernet mode belongs to high-voltage inverter control system technical field. The system comprises a plurality of air-water-cooled dry frequency converters, a plurality of water-cooled oil-immersed frequency converters, a switch and a first photoelectric converter which are arranged in a transformer substation, and a second photoelectric converter and a user terminal computer which are arranged in a station control room. PLC controllers are respectively arranged in the frequency converters of different types, and are in communication connection with single equipment in each frequency converter through the PLC controllers, so that different equipment in the frequency converters of different types can be uniformly connected into the exchanger, and the compatibility of a control system is better; the exchanger can bring better expansibility, and if a frequency converter needs to be newly added, only the idle network port of the exchanger needs to be accessed; the first photoelectric converter, the SC multimode optical fiber and the second photoelectric converter are connected, so that a hardware basis is provided for realizing remote cooperative control.
Description
Technical Field
The utility model relates to a many high-voltage inverter cooperative control system who realizes with optic fibre ethernet mode belongs to high-voltage inverter control system technical field.
Background
In the actual construction of transformer substation, often set up the multistage engineering and impel step by step, the high-voltage inverter that early construction used is different with the high-voltage inverter type in later stage, is difficult to cooperative control. For example, a plurality of air-water-cooled dry-type frequency converters are used in a first project of a certain transformer substation, a plurality of water-cooled oil-immersed frequency converters which are basically different from the first equipment in configuration are additionally arranged in a second project, the additionally arranged frequency converters not only generate expansion requirements on a control system in quantity, but also generate requirements on the compatibility of the control system, the difficulty of equipment management implementation of technicians on a station is increased, particularly, the information amount processed by equipment of the second-phase water-cooling oil-immersed frequency converter is large, the control center of the original first-phase station overhead water-cooling dry frequency converter is close to the frequency converter in a transformer substation, the control center is controlled in an Ethernet mode, after the second-phase frequency converter is added, a frequency converter control center on a station is moved from a transformer substation to a new station control room and is far away from the original transformer substation, so that the requirements on the expansibility and compatibility of a frequency converter control system are met, and the requirements on remote cooperative control are also met.
Therefore, the system for cooperatively controlling the multiple high-voltage frequency converters in the optical fiber Ethernet mode is designed, and cooperative control of the multiple high-voltage frequency converters of different types is realized.
Disclosure of Invention
The utility model discloses the technical problem that will solve lies in: the cooperative control system for the plurality of high-voltage frequency converters is realized in an optical fiber Ethernet mode, and the problems of poor expansibility and compatibility and incomplete remote cooperative control of the conventional high-voltage frequency converter control system are greatly improved.
The utility model discloses the technical problem that will solve takes following technical scheme to realize:
the cooperative control system for multiple high-voltage frequency converters realized in an optical fiber Ethernet mode comprises multiple air-water-cooled dry-type frequency converters, multiple water-cooled oil-immersed frequency converters, a switch and a first photoelectric converter which are arranged in a transformer substation, and a second photoelectric converter and a user terminal computer which are arranged in a station control room;
the air-water cooling dry-type frequency converter comprises a main control board, air-water cooling equipment, a dry-type frequency converter and a PLC (programmable logic controller), wherein the PLC is at least provided with two communication modules and a CPU (central processing unit) module, the PLC is respectively in communication connection with the main control board and the air-water cooling equipment through the two communication modules, and the CPU module of the PLC is connected with the dry-type frequency converter in a hard wiring mode;
the water-cooling oil-immersed frequency converter comprises a main control board, water-cooling equipment, an oil-immersed frequency converter and a PLC (programmable logic controller), wherein the PLC is at least provided with two communication modules and a CPU (central processing unit) module, the PLC is respectively in communication connection with the main control board and the water-cooling equipment through the two communication modules, and the CPU module of the PLC is connected with the oil-immersed frequency converter in a hard wiring mode;
PLC (programmable logic controller) CPU modules of a plurality of air-water-cooled dry-type frequency converters and PLC CPU modules of a plurality of water-cooled oil-immersed frequency converters are in communication connection with a switch in a transformer substation through network cables respectively, the switch is connected to a first photoelectric converter in the transformer substation through the network cables, the first photoelectric converter is connected to a second photoelectric converter in a remote station control room through SC (single-phase conductor) multimode optical fibers, and a user terminal computer is connected with the second photoelectric converter through the network cables.
As a preferred example, the PLC controller is an S7-1200 PLC controller.
As a preferred example, the CPU module of the PLC controller is a CPU module of a model of CPU 1215C.
As a preferable example, the communication module of the PLC controller adopts a communication module with the model number CM 1241.
As a preferred example, the network cable adopts a category 6 shielding outdoor network cable.
As a preferred example, the switch is a switch with model number D-Link DGS 1016S-CN.
As a preferred example, the first photoelectric converter is a MOXA EDS-205A-M-SC photoelectric converter, and the second photoelectric converter is a MOXA IMC-101-M-SC-T photoelectric converter.
The utility model has the advantages that:
(1) PLC controllers are respectively arranged in the frequency converters of different types, and are in communication connection with single equipment in each frequency converter through the PLC controllers, so that different equipment in the frequency converters of different types can be uniformly connected into the exchanger, and the compatibility of a control system is better;
(2) the exchanger can bring better expansibility, if a frequency converter needs to be newly added, only the idle net mouth of the exchanger needs to be accessed, and the idle net mouth of the first photoelectric converter can also be accessed for expansion;
(3) the first photoelectric converter, the SC multimode optical fiber and the second photoelectric converter are connected, so that a hardware basis is provided for realizing remote cooperative control.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand and understand, the present invention is further explained by combining the following specific drawings.
Examples
As shown in fig. 1, the cooperative control system for multiple high-voltage frequency converters implemented in an optical fiber ethernet manner includes multiple air-water-cooled dry frequency converters, multiple water-cooled oil-immersed frequency converters, a switch and a first photoelectric converter arranged in a substation, and a second photoelectric converter and a user terminal computer arranged in a station control room;
the air-water cooling dry-type frequency converter comprises a main control board, air-water cooling equipment, a dry-type frequency converter and a PLC (programmable logic controller), wherein the PLC is at least provided with two communication modules and a CPU (central processing unit) module, the PLC is respectively in communication connection with the main control board and the air-water cooling equipment through the two communication modules, and the CPU module of the PLC is connected with the dry-type frequency converter in a hard wiring mode (analog quantity and switching quantity adopt different shielding wires);
the water-cooling oil-immersed frequency converter comprises a main control board, water-cooling equipment, an oil-immersed frequency converter and a PLC (programmable logic controller), wherein the PLC is at least provided with two communication modules and a CPU (central processing unit) module, the PLC is respectively in communication connection with the main control board and the water-cooling equipment through the two communication modules, and the CPU module of the PLC is connected with the oil-immersed frequency converter in a hard wiring mode (analog quantity and switching quantity adopt different shielding wires);
PLC (programmable logic controller) CPU modules of a plurality of air-water-cooled dry-type frequency converters and PLC CPU modules of a plurality of water-cooled oil-immersed frequency converters are in communication connection with a switch in a transformer substation through network cables respectively, the switch is connected to a first photoelectric converter in the transformer substation through the network cables, the first photoelectric converter is connected to a second photoelectric converter in a remote station control room through SC (single-phase conductor) multimode optical fibers, and a user terminal computer is connected with the second photoelectric converter through the network cables.
The air-water cooling dry-type frequency converter and the water-cooling oil-immersed frequency converter are commercially available equipment, equipment related to communication control in the air-water cooling dry-type frequency converter mainly comprises a main control board, air-water cooling equipment and a dry-type frequency converter, the equipment related to communication control in the water-cooling oil-immersed frequency converter mainly comprises the main control board, the water-cooling equipment and the oil-immersed frequency converter, a PLC (programmable logic controller) is respectively added in the air-water cooling dry-type frequency converter and the water-cooling oil-immersed frequency converter and is used for communicating with each piece of equipment in the frequency converter, the PLC controllers are gathered and connected into the exchanger, and the exchanger, the first photoelectric converter, the SC multimode optical fiber and the second photoelectric converter are communicated with a remote user terminal computer so as to provide a hardware basis for realizing remote cooperative control.
The PLC controller adopts an S7-1200 PLC controller.
The CPU module of the PLC controller adopts a CPU module with the model of CPU 1215C.
The communication module of the PLC controller adopts a communication module with the model number CM 1241.
The network cable adopts a 6-type shielding outdoor network cable.
The switch adopts a switch with a model number of D-Link DGS 1016S-CN.
The first photoelectric converter adopts a photoelectric converter with the model number MOXA EDS-205A-M-SC, and the second photoelectric converter adopts a photoelectric converter with the model number MOXA IMC-101-M-SC-T.
The working principle is as follows:
PLC controllers are respectively arranged in the frequency converters of different types, and the PLC controllers are in communication connection with single equipment in each frequency converter, so that different equipment in the frequency converters of different types can be uniformly connected into the exchanger, the compatibility of a control system is better, the frequency converters of different types can be compatible, and even non-frequency converters in a transformer substation can be connected;
the exchanger can bring better expansibility, if a frequency converter needs to be newly added, only the idle net mouth of the exchanger needs to be accessed, and the idle net mouth of the first photoelectric converter can also be accessed for expansion;
the first photoelectric converter, the SC multimode optical fiber and the second photoelectric converter are connected, so that a hardware basis is provided for realizing remote cooperative control.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are intended to be included within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The cooperative control system for the multiple high-voltage frequency converters is realized in an optical fiber Ethernet mode and is characterized by comprising multiple air-water-cooled dry-type frequency converters, multiple water-cooled oil-immersed frequency converters, a switch and a first photoelectric converter which are arranged in a transformer substation, and a second photoelectric converter and a user terminal computer which are arranged in a station control room;
the air-water cooling dry-type frequency converter comprises a main control board, air-water cooling equipment, a dry-type frequency converter and a PLC (programmable logic controller), wherein the PLC is at least provided with two communication modules and a CPU (central processing unit) module, the PLC is respectively in communication connection with the main control board and the air-water cooling equipment through the two communication modules, and the CPU module of the PLC is connected with the dry-type frequency converter in a hard wiring mode;
the water-cooling oil-immersed frequency converter comprises a main control board, water-cooling equipment, an oil-immersed frequency converter and a PLC (programmable logic controller), wherein the PLC is at least provided with two communication modules and a CPU (central processing unit) module, the PLC is respectively in communication connection with the main control board and the water-cooling equipment through the two communication modules, and the CPU module of the PLC is connected with the oil-immersed frequency converter in a hard wiring mode;
PLC (programmable logic controller) CPU modules of a plurality of air-water-cooled dry-type frequency converters and PLC CPU modules of a plurality of water-cooled oil-immersed frequency converters are in communication connection with a switch in a transformer substation through network cables respectively, the switch is connected to a first photoelectric converter in the transformer substation through the network cables, the first photoelectric converter is connected to a second photoelectric converter in a remote station control room through SC (single-phase conductor) multimode optical fibers, and a user terminal computer is connected with the second photoelectric converter through the network cables.
2. The cooperative control system for multiple high-voltage frequency converters implemented in an optical fiber Ethernet manner according to claim 1, wherein the PLC controller is an S7-1200 PLC controller.
3. The cooperative control system for multiple high-voltage frequency converters implemented in an optical fiber ethernet manner as claimed in claim 2, wherein the CPU module of the PLC controller is a CPU module of type CPU 1215C.
4. The cooperative control system for multiple high-voltage frequency converters implemented in an optical fiber ethernet manner according to claim 2, wherein a communication module of the PLC controller is a communication module of a model number CM 1241.
5. The cooperative control system for multiple high-voltage frequency converters implemented in an optical fiber ethernet manner according to claim 1, wherein the network cable adopts a category 6 shielded outdoor network cable.
6. The cooperative control system for multiple high-voltage frequency converters implemented in a fiber optic Ethernet manner as claimed in claim 1, wherein the switch is a D-Link DGS1016S-CN switch.
7. The cooperative control system for multiple high-voltage frequency converters realized in a fiber optic ethernet manner as claimed in claim 1, wherein the first photoelectric converter is an optical-to-electrical converter with a model number of MOXA EDS-205A-M-SC, and the second photoelectric converter is an optical-to-electrical converter with a model number of MOXA IMC-101-M-SC-T.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022065444.7U CN213024042U (en) | 2020-09-18 | 2020-09-18 | Cooperative control system for multiple high-voltage frequency converters realized in optical fiber Ethernet mode |
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| CN202022065444.7U CN213024042U (en) | 2020-09-18 | 2020-09-18 | Cooperative control system for multiple high-voltage frequency converters realized in optical fiber Ethernet mode |
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| CN213024042U true CN213024042U (en) | 2021-04-20 |
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