CN204009521U - Large-scale thermal power machine group AGC signal disturbance disposal system - Google Patents
Large-scale thermal power machine group AGC signal disturbance disposal system Download PDFInfo
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- CN204009521U CN204009521U CN201420286929.0U CN201420286929U CN204009521U CN 204009521 U CN204009521 U CN 204009521U CN 201420286929 U CN201420286929 U CN 201420286929U CN 204009521 U CN204009521 U CN 204009521U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model discloses a kind of large-scale thermal power machine group Automatic Generation Control AGC signal disturbance disposal system, comprise grid dispatching center, the RTU RTU of power plant, power plant's automatic electricity generation control system, described grid dispatching center is transferred to described power plant automatic electricity generation control system by described RTU by AGC signal, also comprise subtraction block, absolute value block, high limit module, not gate module M5, digital quantity time delay module, not gate module M8, analog quantity handover module M9, and analog quantity handover module M12, by the connection of above-mentioned parameters and module, having solved the minor swing undesired signal with in minor swing interference AGC signal that Power Plant is received disposes, thereby improve the technical matters of the power supply quality of power supply from source, and improve the Availability Index of Power Plant AGC examination.
Description
Technical field
The utility model relates to a kind of signal processing system, relates in particular to a kind of large-scale thermal power machine group AGC (Automatic Generation Control, Automatic Generation Control) signal disturbance disposal system.
Background technology
AGC instruction is the target power that grid dispatching center is calculated the controlled unit producing, according to RTU (Remote Terminal Unit, RTU) communication rule generates AGC scale-of-two remote control message and is sent to the RTU of power plant through high-frequency carrier signal, and the RTU of power plant converts AGC control signal 4～20mA signal to and is transferred to the control system of monoblock.But at AGC signal in the process from scheduled transmission to Power Plant, because carrier signal can inevitably be subject to certain interference, thereby during to power plant's control end, become a kind of signal with minor swing, the unit electric load of controlling so also can be with minor swing, has just affected the quality of power supply of power supply from source.
Summary of the invention
The object of the utility model embodiment is to provide a kind of large-scale thermal power machine group AGC signal disturbance disposal system, having solved the minor swing undesired signal with in minor swing interference AGC signal that Power Plant is received disposes, thereby improve the technical matters of the power supply quality of power supply from source, and improved the Availability Index of Power Plant AGC examination.
In order to achieve the above object, the utility model embodiment provides a kind of large-scale thermal power machine group AGC signal disturbance disposal system, comprise grid dispatching center, the RTU RTU of power plant, power plant's automatic electricity generation control system, described grid dispatching center is transferred to described power plant automatic electricity generation control system by described RTU by AGC signal, also comprises subtraction block, absolute value block, high limit module, not gate module M5, digital quantity time delay module, not gate module M8, analog quantity handover module M9 and analog quantity handover module M12; Concrete,
Transmit the automatic electricity generation control system of described AGC signal and the input end i1 of described subtraction block is connected, described subtraction block is connected with the input end of described absolute value block by output terminal O1, described absolute value block is connected with the input end i of described high limit module by output terminal O2, described high limit module is connected with the input end of described not gate module M5 by output terminal O4, described not gate module M5 is connected with the input end i of described digital quantity time delay module by output terminal O5, described digital quantity time delay module is connected with the input end of described not gate module M8 by output terminal O7, described not gate module M8 is connected with the input end s of described analog quantity handover module M9 by output terminal O8, described analog quantity handover module M9 is connected with the input end i2 of described analog quantity handover module M12 by output terminal O9.
Preferably, described system also comprises constant module M3, constant module M6, analog quantity quality judge module and not gate module M11;
Described automatic electricity generation control system is connected with the input end i2 of described analog quantity handover module M9, the output terminal O9 of described analog quantity handover module M9 is connected with the input end i1 of described analog quantity handover module M9, and the output terminal O9 of described analog quantity handover module M9 is connected with the input end i2 of described subtraction block; Described automatic electricity generation control system is connected with the input end of described analog quantity quality judge module, the output terminal O10 of described analog quantity quality judge module is connected with the input end of described not gate module M11, the output terminal O11 of described not gate module M11 is connected with the input end s of described analog quantity handover module M12, and the output terminal O12 of described analog quantity handover module M12 is also connected with the input end i1 of described analog quantity handover module M12;
Described high limit module is connected with the output terminal O3 of described constant module M3 by input end r, and described digital quantity time delay module is connected with the output terminal O6 of described constant module M6 by input end i.
Compared with prior art, the technical scheme that the utility model embodiment proposes has the following advantages:
Above-described embodiment of the present utility model, having solved the minor swing undesired signal with in minor swing interference AGC signal that Power Plant is received disposes, thereby improve the technical matters of the power supply quality of power supply from source, and improved the Availability Index of Power Plant AGC examination.
Brief description of the drawings
Fig. 1 is the electrical block diagram that the utility model embodiment provides;
Fig. 2 is the characterisitic parameter schematic diagram of the modules that provides of the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model, the technical scheme in the utility model is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making all other embodiment that obtain under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, be electrical block diagram of the present utility model.In this schematic diagram, comprise subtraction block (M1), absolute value block (M2), constant module R (M3), high limit module (M4), not gate module (M5), constant module T (M6), digital quantity time delay module (M7), not gate module (M8), analog quantity handover module T (M9), analog quantity quality judge module (M10), not gate module (M11), analog quantity handover module T (M12).
Concrete, below in detailed process, for modules all with the M in bracket
n, n=1.2.3 ... 12.
Automatic electricity generation control system is connected with the input end i1 of M1 module, described M1 module is connected with the input end of described M2 module by output terminal O1, described M2 module is connected with the input end i of described M4 module by output terminal O2, described M4 module is connected with the input end of described M5 module by output terminal O4, described M5 module is connected with the input end i of described M7 module by output terminal O5, described M7 module is connected with the input end of described M8 module by output terminal O7, described M8 module is connected with the input end s of described M9 module by output terminal O8, described M9 module is connected with the input end i2 of described M12 module by output terminal O9.
Further, described automatic electricity generation control system is connected with the input end i2 of described M9 module, and the output terminal O9 of described M9 module is connected with the input end i1 of described M9 module, and the output terminal O9 of described M9 module is connected with the input end i2 of described M1 module; Described automatic electricity generation control system is connected with the input end of described M10 module, the output terminal O10 of described M10 module is connected with the input end of described M11 module, the output terminal O11 of described M11 module is connected with the input end s of described M12 module, and the output terminal O12 of described M12 module is also connected with the input end i1 of described M12 module;
Described M4 module is connected with the output terminal O3 of described M3 module by input end r, and described M7 module is connected with the output terminal O6 of described M6 module by input end i.
In the present embodiment, having solved the minor swing undesired signal with in minor swing interference AGC signal that Power Plant is received disposes, thereby improve the technical matters of the power supply quality of power supply from source, and improved the Availability Index of Power Plant AGC examination.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the utility model can add essential general hardware platform by software and realize, can certainly pass through hardware, but in a lot of situation, the former is better embodiment.Based on such understanding, the part that the technical solution of the utility model contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in a storage medium, comprise that some instructions (can be personal computers in order to make a computer equipment, server, or the network equipment etc.) carry out the method described in each embodiment of the utility model.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, the module in accompanying drawing or flow process might not be that enforcement the utility model is necessary.
It will be appreciated by those skilled in the art that the module in the device in embodiment can be distributed in the device of embodiment according to embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from the present embodiment.The module of above-described embodiment can be merged into a module, also can further split into multiple submodules.
Above-mentioned the utility model embodiment sequence number, just to describing, does not represent the quality of embodiment.
Disclosed is above only several specific embodiment of the present utility model, and still, the utility model is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection domain of the present utility model.
Claims (2)
1. a large-scale thermal power machine group Automatic Generation Control AGC signal disturbance disposal system, comprise grid dispatching center, the RTU RTU of power plant, power plant's automatic electricity generation control system, described grid dispatching center is transferred to described power plant automatic electricity generation control system by described RTU by AGC signal, it is characterized in that, also comprise subtraction block, absolute value block, high limit module, not gate module M5, digital quantity time delay module, not gate module M8, analog quantity handover module M9 and analog quantity handover module M12; Concrete,
Transmit the automatic electricity generation control system of described AGC signal and the input end i1 of described subtraction block is connected, described subtraction block is connected with the input end of described absolute value block by output terminal O1, described absolute value block is connected with the input end i of described high limit module by output terminal O2, described high limit module is connected with the input end of described not gate module M5 by output terminal O4, described not gate module M5 is connected with the input end i of described digital quantity time delay module by output terminal O5, described digital quantity time delay module is connected with the input end of described not gate module M8 by output terminal O7, described not gate module M8 is connected with the input end s of described analog quantity handover module M9 by output terminal O8, described analog quantity handover module M9 is connected with the input end i2 of described analog quantity handover module M12 by output terminal O9.
2. the system as claimed in claim 1, is characterized in that, described system also comprises constant module M3, constant module M6, analog quantity quality judge module and not gate module M11;
Described automatic electricity generation control system is connected with the input end i2 of described analog quantity handover module M9, the output terminal O9 of described analog quantity handover module M9 is connected with the input end i1 of described analog quantity handover module M9, and the output terminal O9 of described analog quantity handover module M9 is connected with the input end i2 of described subtraction block; Described automatic electricity generation control system is connected with the input end of described analog quantity quality judge module, the output terminal O10 of described analog quantity quality judge module is connected with the input end of described not gate module M11, the output terminal O11 of described not gate module M11 is connected with the input end s of described analog quantity handover module M12, and the output terminal O12 of described analog quantity handover module M12 is also connected with the input end i1 of described analog quantity handover module M12;
Described high limit module is connected with the output terminal O3 of described constant module M3 by input end r, and described digital quantity time delay module is connected with the output terminal O6 of described constant module M6 by input end i.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420286929.0U CN204009521U (en) | 2014-05-30 | 2014-05-30 | Large-scale thermal power machine group AGC signal disturbance disposal system |
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| CN201420286929.0U CN204009521U (en) | 2014-05-30 | 2014-05-30 | Large-scale thermal power machine group AGC signal disturbance disposal system |
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| CN204009521U true CN204009521U (en) | 2014-12-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104852653A (en) * | 2015-05-27 | 2015-08-19 | 国网山西省电力公司电力科学研究院 | System for processing frequency signal of thermal generator set |
| CN105320076A (en) * | 2014-05-30 | 2016-02-10 | 国网山西省电力公司电力科学研究院 | AGC signal disturbance processing system of large-scale thermal power generating set |
-
2014
- 2014-05-30 CN CN201420286929.0U patent/CN204009521U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105320076A (en) * | 2014-05-30 | 2016-02-10 | 国网山西省电力公司电力科学研究院 | AGC signal disturbance processing system of large-scale thermal power generating set |
| CN104852653A (en) * | 2015-05-27 | 2015-08-19 | 国网山西省电力公司电力科学研究院 | System for processing frequency signal of thermal generator set |
| CN104852653B (en) * | 2015-05-27 | 2017-05-31 | 国网山西省电力公司电力科学研究院 | Thermal power generation unit frequency signal processing system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141210 Effective date of abandoning: 20180508 |