CN220628956U - Automatic voltage control device with isolation for generator set - Google Patents
Automatic voltage control device with isolation for generator set Download PDFInfo
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- CN220628956U CN220628956U CN202322195341.6U CN202322195341U CN220628956U CN 220628956 U CN220628956 U CN 220628956U CN 202322195341 U CN202322195341 U CN 202322195341U CN 220628956 U CN220628956 U CN 220628956U
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- generator set
- voltage control
- automatic voltage
- control device
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- 238000002955 isolation Methods 0.000 title claims abstract description 67
- 238000012806 monitoring device Methods 0.000 claims abstract description 47
- 238000004891 communication Methods 0.000 claims abstract description 43
- 238000012544 monitoring process Methods 0.000 claims description 9
- 238000012790 confirmation Methods 0.000 claims description 8
- 230000005415 magnetization Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 2
- 241000700605 Viruses Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Abstract
The utility model relates to an automatic voltage control device of a generator set with isolation, which is characterized in that a dispatching master station device is connected with an isolation device through network communication; the isolation device is connected with the upper computer in a communication way; the upper computer is in communication connection with the execution device; the executing device is electrically connected with the unit monitoring device; the scheduling master station device performs signal isolation on the upper computer through the isolation device, so that the upper computer controls the unit monitoring device through the execution device; the control method solves the technical problems that in the prior art, the control deviation often occurs in the network control adopted by the automatic voltage control device of the generator set in the control of the upper computer of the dispatching master station device, and mainly the control signal is interfered, so that the control deviation is caused, and the automatic voltage control of the generator set is deviated.
Description
Technical Field
The embodiment of the utility model relates to an automatic voltage control device of a generator set, in particular to an automatic voltage control device of a generator set with isolation.
Background
In the prior art, control deviation often occurs in network control adopted by the automatic voltage control device of the generator set in the upper computer controlled by the dispatching master station device, mainly because control signals are interfered, the control deviation is caused, and the automatic voltage control of the generator set is caused to deviate.
Disclosure of Invention
An object of an embodiment of the present utility model is to provide an automatic voltage control device for a generator set capable of isolating an interference signal.
In order to achieve the above object, an embodiment of the present utility model provides an automatic voltage control device for a generator set with isolation, including:
a scheduling master station device;
the isolation device is connected with the scheduling master station device through network cable communication;
the upper computer is in communication connection with the isolation device;
the execution device is in communication connection with the execution device on the upper computer;
the unit monitoring device is electrically connected with the execution device; the dispatching master station device performs signal isolation on the upper computer through the isolation device, so that the upper computer controls the unit monitoring device through the execution device.
Furthermore, the automatic voltage control device with the isolation generator set is connected with the monitoring system in a communication way on the upper computer.
Furthermore, the automatic voltage control device with the isolation generator set is connected with the GPS through the B code communication on the upper computer.
Furthermore, the automatic voltage control device with the isolation generator set is connected with the background control device on the upper computer through B code communication.
Further, the automatic voltage control device with the isolation generator set is characterized in that the dispatching master station device is a D5000 device.
Further, the automatic voltage control device with isolation for the generator set in the utility model further comprises:
the longitudinal encryption device is connected with the scheduling master station device through VPN communication;
the front-end network is powered off, and the longitudinal encryption device is in communication connection with the front-end network;
the forward isolation device is in communication connection with the forward isolation device on the front-end network shutdown;
the reverse isolation device is in communication connection with the front-end network shutdown;
and the protocol converter is connected with the forward isolation device and the reverse isolation device in a communication mode at the same time.
Further, in the generator set automatic voltage control device with isolation of the utility model, an automatic signal on the D I end of the executing device is electrically connected with the DO3 end of the set monitoring device;
the input signal on the D I end of the execution terminal is electrically connected with the DO4 end of the unit monitoring device;
the exit signal at the D I end of the execution terminal is electrically connected with the DO5 end of the unit monitoring device.
Further, in the automatic voltage control device with the isolated generator set, the ready signal on the DO1 end of the execution terminal is electrically connected with the D I end of the generator set monitoring device;
the input confirmation/exit confirmation signal on the DO2 end of the execution terminal is electrically connected with the D I end of the unit monitoring device;
the remote/local signal on the DO3 end of the execution terminal is electrically connected with the D I end of the unit monitoring device;
the magnetization signal on the DO4 end of the execution terminal is electrically connected with the D I end of the unit monitoring device;
the demagnetizing signal on the DO5 end of the execution terminal is electrically connected with the D I end of the unit monitoring device.
Further, the automatic voltage control device with the isolation generator set is characterized in that the execution terminal is a lower computer.
Further, the generator set automatic voltage control device with isolation in the utility model is characterized in that the generator set monitoring device is a DCS.
Compared with the prior art, the implementation mode of the utility model adopts the way that the dispatching master station device is connected with the isolation device through network cable communication; the isolation device is connected with the upper computer in a communication way; the upper computer is in communication connection with the execution device; the executing device is electrically connected with the unit monitoring device; the scheduling master station device performs signal isolation on the upper computer through the isolation device, so that the upper computer controls the unit monitoring device through the execution device; the control method solves the technical problems that in the prior art, the control deviation often occurs in the network control adopted by the automatic voltage control device of the generator set in the control of the upper computer of the dispatching master station device, and mainly the control signal is interfered, so that the control deviation is caused, and the automatic voltage control of the generator set is deviated.
Drawings
Fig. 1 is a schematic diagram of a connection structure according to the present utility model.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. However, those of ordinary skill in the art will understand that in various embodiments of the present utility model, numerous technical details have been set forth in order to provide a better understanding of the present application. However, the technical solutions claimed in the claims of the present application can be realized without these technical details and various changes and modifications based on the following embodiments.
The embodiment of the utility model relates to an automatic voltage control device with isolation for a generator set, which is shown in fig. 1 and comprises the following components:
the main function of the dispatching master station device in the embodiment is to issue instructions to each power plant according to the actual demands of the power grid;
the isolation device 10 is connected with the dispatching master station device through network cable communication; the isolation device 10 is used for isolating interference signals;
the isolation device 10 is connected with an upper computer in a communication way; the upper computer is used for integrating the data processing device, receiving the scheduling instruction and receiving the real-time data given by the power plant; the method comprises the steps of carrying out a first treatment on the surface of the The control method solves the technical problems that in the prior art, the control deviation often occurs in the network control adopted by the automatic voltage control device of the generator set in the control of the upper computer of the dispatching master station device, and mainly the control signal is interfered, so that the control deviation is caused, and the automatic voltage control of the generator set is deviated.
The upper computer is in communication connection with the execution device; the execution device is used for collecting real-time data of the power plant and feeding the real-time data back to the upper computer; executing an upper computer signal instruction and opening a signal; and receiving the switching-in signal and feeding back to the upper computer.
The executing device is electrically connected with the unit monitoring device; the scheduling master station device performs signal isolation on the upper computer through the isolation device, so that the upper computer controls the unit monitoring device through the execution device. The unit monitoring device mainly controls and monitors the generator unit.
In order to achieve the above technical effects, in the automatic voltage control device with isolation for a generator set in this embodiment, as shown in fig. 1, a monitoring system is connected to an upper computer in a communication manner. The monitoring system is used for monitoring the running condition of the unit in real time by the power plant and adjusting the running of the unit of the power plant.
In order to achieve the above technical effects, in the automatic voltage control device with isolation for a generator set in this embodiment, as shown in fig. 1, a GPS is connected to an upper computer through B-code communication. The GPS is a time setting system, and is connected with the GPS through B code communication and used for time setting.
In order to achieve the above technical effects, in the automatic voltage control device with isolation for a generator set in this embodiment, as shown in fig. 1, a background control device is connected to an upper computer through B-code communication. The background control device is used for monitoring the running state of the automatic voltage control device of the generator set in real time.
In order to achieve the above technical effects, in the automatic voltage control device with isolation for a generator set in this embodiment, as shown in fig. 1, the dispatch master station device is a D5000 device.
In order to achieve the above technical effects, in the automatic voltage control device with isolation for a generator set of this embodiment, as shown in fig. 1, the isolation device 10 further includes:
the dispatching master station device is connected with the longitudinal encryption device through VPN communication; the longitudinal encryption device is used for providing authentication and encryption functions for wide area network communication, realizing confidentiality and integrity protection of data transmission, and simultaneously having a firewall-like security filtering function.
The longitudinal encryption device is in communication connection with a front-end network for shutdown; the function of the front-end network shutdown isolates the function of the host, and ensures that the external limit number cannot directly access the content of the scheduling master station device;
the front-end network is powered off and is in communication connection with a forward isolation device; the forward isolation device is used for sending data to the upper host device with low security level by the scheduling master station device with high security level. And a checking mechanism is provided for preventing data from illegally flowing out.
The front-end network is powered off and is in communication connection with a reverse isolation device; and the reverse isolation device is used for transmitting data to the dispatching master station device with high security level by the upper computer with low security level. And a verification mechanism is provided for preventing viruses from being received.
And simultaneously connecting the forward isolation device and the reverse isolation device in a communication way on the protocol converter. The protocol converter, namely the network bridge, can enable the dispatching master station device and the upper computer which are positioned on the communication network and adopt different high-layer protocols to still cooperate with each other, so as to complete various distributed applications.
In order to achieve the above technical effects, in the automatic voltage control device with isolation for a generator set in this embodiment, as shown in fig. 1, an automatic signal on the DI3 end of the executing device is electrically connected to the DO3 end of the unit monitoring device; the automatic signal of the DO3 end of the unit monitoring device is input to the DI3 end of the executing device. The automatic signal output of the unit monitoring device is realized;
the input signal on the DI4 end of the execution terminal is electrically connected with the DO4 end of the unit monitoring device; the DO4 end of the unit monitoring device outputs the input signal to the DI4 end on the execution terminal, so that the input signal of the unit monitoring device is output.
The exit signal on the DI5 terminal of the execution terminal is electrically connected with the DO5 terminal of the unit monitoring device. And the DO5 end of the unit monitoring device outputs an exit signal to the DI5 end on the execution terminal, so that the exit signal of the unit monitoring device is output.
In order to achieve the above technical effects, in the automatic voltage control device with isolation for a generator set in this embodiment, as shown in fig. 1, a ready signal on a DO1 end on an execution terminal is electrically connected to a DI 1 end of a unit monitoring device; the ready signal on the execution terminal is output to the unit monitoring device;
the input confirmation/exit confirmation signal on the DO2 end of the execution terminal is electrically connected with the DI2 end of the unit monitoring device; the input confirmation/exit confirmation signal on the execution terminal is output to the unit monitoring device;
the remote/local signal on the DO3 end of the execution terminal is electrically connected with the DI3 end of the unit monitoring device; the remote/local signal output on the execution terminal is realized to the unit monitoring device;
the magnetization signal on the DO4 end of the execution terminal is electrically connected with the DI4 end of the unit monitoring device; the magnetization signal of the execution terminal is output to the unit monitoring device;
the demagnetizing signal on the DO5 end of the execution terminal is electrically connected with the DI4 end of the unit monitoring device. And the demagnetizing signals on the execution terminal are output to the unit monitoring device.
In order to achieve the above technical effects, in the automatic voltage control device with isolation for a generator set in this embodiment, as shown in fig. 1, the execution terminal is a lower computer.
In order to achieve the above technical effects, in the present embodiment, the automatic voltage control device with isolation for a generator set is a DCS as shown in fig. 1.
In this embodiment, telemetry and remote signaling information of the power station is obtained from the monitoring system, and is sent to the dispatching master station system through the protocol converter, the forward isolation device, the front-end network shutdown and the longitudinal encryption device through the VPN channel of the communication operator.
The dispatching master station system sends an active voltage adjusting instruction through calculation according to the current operation requirement of the power grid and the adjusting capability of the power station, and a regulating signal is sent out after passing through a longitudinal encryption device, a front-end network shutdown device, a reverse isolation device and a protocol converter through a VPN channel of a communication operator.
And sending the regulation and control signal of AVC to a power station monitoring system, finishing the transmission of the regulation and control signal by the power station monitoring system, and adjusting the active output of the unit by power station regulation and control equipment according to the regulation and control signal.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples of carrying out the utility model and that various changes in form and details may be made therein without departing from the spirit and scope of the utility model.
Claims (10)
1. An isolated automatic voltage control device for a generator set, comprising:
a scheduling master station device;
the isolation device is connected with the scheduling master station device through network cable communication;
the upper computer is in communication connection with the isolation device;
the execution device is in communication connection with the execution device on the upper computer;
the unit monitoring device is electrically connected with the execution device; the dispatching master station device performs signal isolation on the upper computer through the isolation device, so that the upper computer controls the unit monitoring device through the execution device.
2. The isolated automatic voltage control device of a generator set of claim 1, wherein the monitoring system is communicatively coupled to the host computer.
3. The automatic voltage control device with isolation for generator set according to claim 1, wherein the upper computer is connected with GPS through B code communication.
4. The automatic voltage control device with isolation for generator set according to claim 1, wherein the upper computer is connected with the background control device through B code communication.
5. The automatic voltage control device with isolation for the generator set according to claim 1, wherein the dispatching master station device is a D5000 device.
6. The isolated automatic voltage control device of a generator set of claim 1, wherein the isolating device further comprises:
the longitudinal encryption device is connected with the scheduling master station device through VPN communication;
the front-end network is powered off, and the longitudinal encryption device is in communication connection with the front-end network;
the forward isolation device is in communication connection with the forward isolation device on the front-end network shutdown;
the reverse isolation device is in communication connection with the front-end network shutdown;
and the protocol converter is connected with the forward isolation device and the reverse isolation device in a communication mode at the same time.
7. The isolated automatic voltage control device of a generator set according to claim 1, wherein the automatic signal on the DI3 end of the actuator is electrically connected to the DO3 end of the set monitor;
the input signal on the DI4 end of the execution terminal is electrically connected with the DO4 end of the unit monitoring device;
and the exit signal on the DI5 end of the execution terminal is electrically connected with the DO5 end of the unit monitoring device.
8. The isolated automatic voltage control device of a generator set according to claim 7, wherein the ready signal on the DO1 end of the execution terminal is electrically connected to the DI 1 end of the set monitoring device;
the input confirmation/exit confirmation signal on the DO2 end of the execution terminal is electrically connected with the DI2 end of the unit monitoring device;
the remote/local signal on the DO3 end of the execution terminal is electrically connected with the DI3 end of the unit monitoring device;
the magnetization signal on the DO4 end of the execution terminal is electrically connected with the DI4 end of the unit monitoring device;
the demagnetizing signal on the DO5 end of the execution terminal is electrically connected with the DI4 end of the unit monitoring device.
9. The automatic voltage control device with isolation for generator set of claim 8, wherein the execution terminal is a lower computer.
10. The isolated generator set automatic voltage control device of claim 8, wherein the set monitoring device is a DCS.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322195341.6U CN220628956U (en) | 2023-08-15 | 2023-08-15 | Automatic voltage control device with isolation for generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322195341.6U CN220628956U (en) | 2023-08-15 | 2023-08-15 | Automatic voltage control device with isolation for generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220628956U true CN220628956U (en) | 2024-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322195341.6U Active CN220628956U (en) | 2023-08-15 | 2023-08-15 | Automatic voltage control device with isolation for generator set |
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| Country | Link |
|---|---|
| CN (1) | CN220628956U (en) |
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2023
- 2023-08-15 CN CN202322195341.6U patent/CN220628956U/en active Active
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