CN116540618A - Phase modulation unit control system and phase modulation unit - Google Patents
Phase modulation unit control system and phase modulation unit Download PDFInfo
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- CN116540618A CN116540618A CN202310408349.8A CN202310408349A CN116540618A CN 116540618 A CN116540618 A CN 116540618A CN 202310408349 A CN202310408349 A CN 202310408349A CN 116540618 A CN116540618 A CN 116540618A
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- 238000012544 monitoring process Methods 0.000 claims abstract description 20
- 230000006854 communication Effects 0.000 claims abstract description 15
- 238000004891 communication Methods 0.000 claims abstract description 14
- 230000005284 excitation Effects 0.000 claims description 4
- 239000013307 optical fiber Substances 0.000 claims description 4
- 238000004378 air conditioning Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000005461 lubrication Methods 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/11—Plc I-O input output
- G05B2219/1103—Special, intelligent I-O processor, also plc can only access via processor
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The application relates to a phase modulation unit control system and a phase modulation unit. The first PLC module comprises a first processor unit, wherein the first processor unit is used for accessing thermal signals generated by each thermal subsystem in the phase modulation unit through each first signal module; the second PLC module comprises a second processor unit, and the second processor unit is used for accessing electric signals generated by all electric subsystems in the phase modulation unit through all second signal modules; the upper computer module is respectively in communication connection with the first processor unit and the second processor unit and is used for acquiring thermal signals transmitted by the first processor unit and electric signals transmitted by the second processor unit. Therefore, the number of processor units for integrally monitoring the phase modulation unit is saved, and the integrally monitoring cost for the phase modulation unit is reduced.
Description
Technical Field
The application relates to the technical field of industrial control, in particular to a phase modulation unit control system and a phase modulation unit.
Background
With the development of industrial technology, a phase modulation unit is presented, and the phase modulation unit can provide or absorb reactive power to a power system to maintain the stability of the power system.
In the conventional technology, integrated monitoring of a phase modulation unit is generally performed based on DSC (Distributed Control System ), and based on this, each subsystem (for example, SFC system (field monitoring system), switching station, excitation system, etc.) in the phase modulation unit configures a corresponding processor unit, so that the whole phase modulation unit is connected in series through network communication between the processor units.
However, the number of subsystems in a phase modulation unit is generally large, and the processor unit is expensive, so that the cost is too high for the manner of integrated monitoring of the phase modulation unit based on DSC due to the excessive number of required processor units.
Disclosure of Invention
Based on this, it is necessary to provide a phase modulation unit control system and a phase modulation unit capable of reducing the cost of integrated monitoring of the conventional phase modulation unit control system.
A phase modulation unit control system comprising: a first PLC (Programmable Logic Controller ) module including a first processor unit configured to access, via each first signal module, a thermal signal generated by each thermal subsystem in the phase modulation unit; the second PLC module comprises a second processor unit, and the second processor unit is used for accessing electric signals generated by all electric subsystems in the phase modulation unit through all second signal modules; the upper computer module is respectively in communication connection with the first processor unit and the second processor unit and is used for acquiring thermal signals transmitted by the first processor unit and electric signals transmitted by the second processor unit.
In one embodiment, the first PLC module includes a first remote plug-in box; one end of the first remote plug box is connected with the first processor unit, and the other end of the first remote plug box is connected with one end of each first signal module in a pluggable manner; the other end of the first signal module is connected with a thermal subsystem in the phase modulation unit and is used for accessing a thermal signal generated by the thermal subsystem.
In one embodiment, the second PLC module includes a second remote plug-in box;
one end of the second remote plug box is connected with the second processor unit, and the other end of the second remote plug box is connected with one end of each second signal module in a pluggable manner; the other end of the second signal module is connected with an electrical subsystem in the phase modulation unit and is used for accessing an electrical signal generated by the electrical subsystem.
In one embodiment, the first signal module or the second signal module includes one or more of an SOE module, a switch DI module, an open DO module, an in-mold AI module, and an out-mold DO module.
In one embodiment, the thermal subsystem includes one or more of a lubrication oil system, a camera set body, an air conditioning system, a fresh air system, a cooling system, and a ventilation system.
In one embodiment, the electrical subsystem includes one or more of an AVC system, an excitation system, an SFC system, a switchyard system, and a protection screen system of a camera. .
In one embodiment, the system further comprises an upper level switch unit and a lower level switch unit; one end of the upper switch unit is connected with the upper computer module in a wired way, and the upper switch unit is connected with the lower switch unit through an optical fiber in a network way; the other end of the lower switch unit is connected with the first processor unit and the second processor unit in a wired mode.
In one embodiment, the system further comprises a first GPS module and a second GPS module; the first GPS module is used for timing each electrical subsystem and each thermal subsystem; and the second GPS module is used for timing each server in the upper computer module.
In one embodiment, each of the servers includes a first control host, a second control host, an operator station, an engineer station, and a telematic device; the first control host and the second control host are active and standby, and are used for controlling PLC communication in the first PLC module and the second PLC module; the telecontrol device is used for scheduling each electric subsystem and each thermal subsystem in the phase modulation unit; the operator station is used for performing remote control operation on the phase modulation unit and monitoring the working state of the phase modulation unit; the engineer station is used for issuing a scheduling command by communicating with the telemechanical device. .
A phase modulation unit comprises the phase modulation unit control system.
The phase modulation unit control system comprises a first PLC module, a second PLC module and an upper computer module, wherein the upper computer module is respectively in communication connection with a first processor unit configured in the first PLC module and a second processor unit configured in the second PLC module; the first processor unit can be connected with the thermal signals generated by each thermal subsystem in the phase modulation unit through each first signal module, and the second processor unit can be connected with the electrical signals generated by each electrical subsystem in the phase modulation unit through each second signal module, so that the upper computer module can acquire the thermal signals transmitted by the first processor unit and the electrical signals transmitted by the second processor unit, the integrated monitoring of the phase modulation unit is realized, and the phase modulation unit control system only needs to respectively set one processor unit for the thermal area and the electrical area in the phase modulation unit, and does not need to set a corresponding processor unit for each subsystem in the phase modulation unit, thereby saving the number of the processor units during the integrated monitoring of the phase modulation unit and reducing the integrated monitoring cost of the phase modulation unit.
Drawings
In order to more clearly illustrate the technical solutions of embodiments or conventional techniques of the present application, the drawings required for the descriptions of the embodiments or conventional techniques will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a system architecture diagram of a phase modulation unit control system in one embodiment;
FIG. 2 is a system architecture diagram of a phase modulation unit control system according to another embodiment;
FIG. 3 is a schematic diagram of a network connection of a phase modulation unit control system in one embodiment;
fig. 4 is a system architecture diagram of a phase modulator block control system in yet another embodiment.
Detailed Description
In order to facilitate an understanding of the present application, a more complete description of the present application will now be provided with reference to the relevant figures. Examples of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
It will be understood that the terms "first," "second," and the like, as used herein, may be used to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish one element from another element.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or be connected to the other element through intervening elements. Further, "connection" in the following embodiments should be understood as "electrical connection", "communication connection", and the like if there is transmission of electrical signals or data between objects to be connected.
As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," and/or the like, specify the presence of stated features, integers, steps, operations, elements, components, or groups thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or groups thereof. Also, the term "and/or" as used in this specification includes any and all combinations of the associated listed items.
In one embodiment, referring to fig. 1 and 2, a phase modulation unit control system is provided, which includes a first PLC module 100, a second PLC module 200, and an upper computer module 300, where the first PLC module 100, the second PLC module 200, and the upper computer module 300 are connected to each other by an ethernet network. The first PLC module 100 is configured with a first processor unit 101, where the first processor unit 101 is connected to each thermal subsystem in the phase modulation unit, and is configured to access, through each first signal module, a thermal signal generated by each thermal subsystem; the second PLC module 200 is configured with a second processor unit 201, and the second processor unit 201 is connected to each electrical subsystem in the phase modulation unit, and is used for accessing the electrical signals generated by each electrical subsystem through each second signal module; the upper computer module 300 is configured to receive the thermal signal transmitted by the first processor unit 101 and the electrical signal transmitted by the second processor unit 201, so that signal monitoring of each thermal subsystem and each electrical subsystem in the phase modulation unit is realized, that is, integrated monitoring of the phase modulation unit is realized, and in the phase modulation unit control system, only one processor unit is required to be respectively arranged for the thermal area and the electrical area in the phase modulation unit, and a corresponding processor unit is not required to be arranged for each subsystem in the phase modulation unit, so that the number of processor units for integrated monitoring of the phase modulation unit is saved, and the integrated monitoring cost of the phase modulation unit is reduced.
As an example, the upper computer module may use the SCADA system to integrally monitor the phase-modulator block.
As one example, the thermal subsystem may be a combination of one or more of a lubrication oil system, a camera set body, an air conditioning system, a fresh air system, a cooling system, and a ventilation system.
As one example, the electrical subsystem may be a combination of one or more of an AVC system, an excitation system, an SFC system, a switchyard system, and a protection screen system of a camera.
As one example, a first PLC module 100 may be deployed as a thermal LCU (Local Control Unit, field control unit) cabinet and a second PLC module 100 may be deployed as an electrical LCU cabinet.
As an example, further referring to fig. 2, the first PLC module 100 includes a first processing unit 101, a first remote jack 102, and a first signal module 103, where the first processor unit 101 is connected to the upper computer module 300 through an ethernet network, one end of the first remote jack 102 is connected to the first processor unit 101, the other end of the first remote jack 102 is connected to one end of the first signal module 103 in a pluggable manner, and the other end of the first signal module 103 is connected to each thermal subsystem, where the number of the first signal modules 103 that are connected in a pluggable manner of the first remote jack 102 may be one or more, the first signal modules 103 are used to access thermal signals of each thermal subsystem, and each first signal module 103 is used to access different types of thermal signals from each thermal subsystem.
As one example, the first signal module 103 may be one or a combination of SOE modules, switching DI modules, out DO modules, in AI modules, and out DO modules.
As an example, the first processor unit 101 includes a processor and a network module, where the network module is used for network connection, the processor may be configured as a dual redundancy CPU, for example, may be configured as 2 Modicon M580 dual redundancy CPUs.
As an example, further referring to fig. 2, the second PLC module 200 includes a second processing unit 201, a second remote jack 202, and a second signal module 203, where the second processor unit 201 is connected to the upper computer module 300 through an ethernet network, one end of the second remote jack 202 is connected to the second processor unit 201, the other end of the second remote jack 202 is connected to one end of the second signal module 203 in a pluggable manner, and the other end of the second signal module 203 is connected to each electrical subsystem, where the number of second signal modules 203 that are connected in a pluggable manner of the second remote jack 202 may be one or more, and the second signal modules 203 are used to access electrical signals of each electrical subsystem, where each second signal module 203 is used to access different types of electrical signals from each electrical subsystem, so that by plugging each second signal module 203 on the second remote jack 202, the electrical signals of any type can be selectively accessed, and the access of each type of electrical signal can be increased or decreased, so that the access of electrical signals can be more flexible.
As one example, the second signal module 203 may be one or a combination of SOE modules, switch DI modules, out DO modules, in AI modules, and out DO modules.
As an example, the second processor unit 201 includes a processor and a network module, where the network module is used for network connection, and the processor may be configured as a dual redundancy CPU, for example, may be configured as 2 Modicon M580 dual redundancy CPUs.
As an example, referring to fig. 3, the phase modulation unit control system further includes an upper switch unit 400 and a lower switch unit 500, the upper switch unit 400 includes an upper computer a-net switch and an upper computer B-net switch, and the lower switch unit 500 includes a lower computer a-net switch and a lower computer B-net switch. The upper computer module 300 is connected with the A network through wired connection with an upper computer A network switch and connected with the B network through wired connection with an upper computer B network switch; the first processor unit 101 in the first PLC module 100 is connected to the a network through a lower computer a network switch by wire, and connected to the B network through wire with a lower computer B network switch; the second processor unit 201 in the second PLC module 200 is connected to the a network through a lower computer a network switch by a wired connection, and connected to the B network through a wired connection with a lower computer B network switch, in which a network optical fiber is used for communication connection, and a B network optical fiber is used for communication connection, where both the a network and the B network may be ethernet. In this exemplary embodiment, the first PLC module 100, the second PLC module 200 and the upper computer module 300 are connected in series to the same network at the same time, so that the data in the first PLC module 100 and the second PLC module 200 can be transmitted to the upper computer module 300, and the data between the first PLC module 100 and the second PLC module 200 can be shared by the networks.
As an example, the communication protocol of modbus tcp may be used for network communication in this embodiment.
As an example, referring to fig. 4, the upper computer module 300 includes a first control host, a second control host, an operator station, an engineer station, a telematic device, and a second GPS module. The second GPS module is configured to pair each server in the upper computer module 300, where the server may be one or more of a first control host, a second control host, an operator station, an engineer station, and a telemechanical device; the first control host and the second control host are active and standby, and are used for controlling the PLC communication process in the first PLC module 100 and the second PLC module 200; the telemechanical device is used for dispatching each electric subsystem and each thermal subsystem in the phase modulation unit; the operator station is used for performing remote control operation on the phase modulation unit and monitoring the working state of the phase modulation unit; the engineer station is used for issuing a scheduling command by communicating with the telecontrol device, and the engineer station and the telecontrol device can communicate with each other through a 104 communication protocol; the phase modulation unit control system also comprises a first GPS module, the first GPS module is connected with the A network through wired connection with the A network switch of the lower computer, is connected with the B network through wired connection with the B network switch of the lower computer, and is used for timing each electric subsystem and each thermal subsystem.
As an example, in this embodiment, a field engineer station may be further provided, where the field engineer station is connected to the a network through a wired connection with the lower computer a network switch, and connected to the B network through a wired connection with the lower computer B network switch, and is used to modify the SCADA monitoring system configured on site, so as to implement online monitoring of the phase modulation unit.
As an example, the upper computer module 300 further includes a printer a connected to the a network through a wired connection with the lower computer a network switch, and a printer B connected to the B network through a wired connection with the lower computer B network switch.
Thus, the embodiment realizes that the PLC is applied to all network communication of the phase modulation unit, and forms a complete open network applied to the phase modulation unit, all devices (such as remote, distributed or standard devices) in the phase modulation unit can be integrated into the Ethernet, information can be shared in real time in all devices of the phase modulation unit, and real-time property and time consistency of system data are ensured.
In addition, it should be noted that, compared with a DSC control system, the data processing speed of the PLC control system is faster, so that the system resources occupied by the PLC control system in the same service scenario are smaller than those occupied by the DSC control system, and compared with the mode of integrally monitoring the phase modulation unit based on DSC, the mode of integrally monitoring the phase modulation unit based on PLC in this embodiment saves more system resources.
In one embodiment, a phase modulation unit is provided, including the phase modulation unit control system described above, where the phase modulation unit control system is used to integrally monitor the phase modulation unit. The structure of the phase modulation unit control system can be set with reference to the above embodiments, and will not be described again.
In the description of the present specification, reference to the terms "some embodiments," "other embodiments," "desired embodiments," and the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic descriptions of the above terms do not necessarily refer to the same embodiment or example.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples merely represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the invention. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.
Claims (10)
1. A phase modulation unit control system, said system comprising:
the first PLC module comprises a first processor unit, wherein the first processor unit is used for accessing thermal signals generated by each thermal subsystem in the phase modulation unit through each first signal module;
the second PLC module comprises a second processor unit, and the second processor unit is used for accessing electric signals generated by all electric subsystems in the phase modulation unit through all second signal modules;
the upper computer module is respectively in communication connection with the first processor unit and the second processor unit and is used for acquiring thermal signals transmitted by the first processor unit and electric signals transmitted by the second processor unit.
2. The system of claim 1, wherein the first PLC module comprises a first remote plug-in box;
one end of the first remote plug box is connected with the first processor unit, and the other end of the first remote plug box is connected with one end of each first signal module in a pluggable manner;
the other end of the first signal module is connected with a thermal subsystem in the phase modulation unit and is used for accessing a thermal signal generated by the thermal subsystem.
3. The system of claim 1, wherein the second PLC module comprises a second remote plug-in box;
one end of the second remote plug box is connected with the second processor unit, and the other end of the second remote plug box is connected with one end of each second signal module in a pluggable manner;
the other end of the second signal module is connected with an electrical subsystem in the phase modulation unit and is used for accessing an electrical signal generated by the electrical subsystem.
4. A system according to any of claims 1-3, wherein the first signal module or the second signal module comprises one or more of an SOE module, a switch DI module, an open DO module, an in AI module, and an out DO module.
5. The system of any of claims 1-3, wherein the thermal subsystem comprises one or more of a lubrication oil system, a camera block body, an air conditioning system, a fresh air system, a cooling system, and a ventilation system.
6. A system according to any of claims 1-3, wherein the electrical subsystem comprises one or more of an AVC system, an excitation system, an SFC system, a switchyard system, and a protection screen system of a camera.
7. The system of claim 1, further comprising an upper level switch unit and a lower level switch unit;
one end of the upper switch unit is connected with the upper computer module in a wired way, and the upper switch unit is connected with the lower switch unit through an optical fiber in a network way;
the other end of the lower switch unit is connected with the first processor unit and the second processor unit in a wired mode.
8. The system of claim 1, further comprising a first GPS module and a second GPS module;
the first GPS module is used for timing each electrical subsystem and each thermal subsystem;
and the second GPS module is used for timing each server in the upper computer module.
9. The system of claim 8, wherein each of the servers comprises a first control host, a second control host, an operator station, an engineer station, and a telematic device;
the first control host and the second control host are active and standby, and are used for controlling PLC communication in the first PLC module and the second PLC module;
the telecontrol device is used for scheduling each electric subsystem and each thermal subsystem in the phase modulation unit;
the operator station is used for performing remote control operation on the phase modulation unit and monitoring the working state of the phase modulation unit;
the engineer station is used for issuing a scheduling command by communicating with the telemechanical device.
10. A phase-modulator block comprising a phase-modulator block control system as claimed in any one of claims 1 to 9.
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| CN202310408349.8A CN116540618A (en) | 2023-04-17 | 2023-04-17 | Phase modulation unit control system and phase modulation unit |
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