CN203116168U - Header-system heating power plant automatic generation control (AGC) system - Google Patents
Header-system heating power plant automatic generation control (AGC) system Download PDFInfo
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- CN203116168U CN203116168U CN 201320141736 CN201320141736U CN203116168U CN 203116168 U CN203116168 U CN 203116168U CN 201320141736 CN201320141736 CN 201320141736 CN 201320141736 U CN201320141736 U CN 201320141736U CN 203116168 U CN203116168 U CN 203116168U
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Abstract
The utility model discloses a header-system heating power plant automatic generation control (AGC) system which comprises an upper computer, wherein the upper computer is sequentially connected with a remote terminal unit (RTU), a header-system heating power plant AGC device and a turbine control system, and the header-system heating power plant AGC device is connected with a plurality of boiler control systems. According to the header-system heating power plant AGC system, a power grid can stably and smoothly loads up, the boiler control systems are small in main steam pressure fluctuation, the purposes of saving energy and reducing emission are achieved, safe operation of a machine set is greatly improved, and workload and labor intensity of operating staff and maintenance staff are reduced.
Description
Technical field
The utility model relates to a kind of AGC control system, relates in particular to a kind of piping-main scheme heat supply AGC of power plant control system.
Background technology
At home recent years the heat supply unit on new some be the piping-main scheme method of operation, this unit is when dropping into the AGC operation, the AGC control signal can only be acted on the steam turbine control system (DEH), and can't use the AGC signal is applied to conventional control method on the DCS control system of unit.Each boiler control system of piping-main scheme heat supply unit is owing to can't predict change direction and the intensity of next step unit load like this, make that each boiler main steam pressure fluctuation is very big, significant adverse lowers consumption in device energy conservation, even influence the safe operation of unit, also increase operations staff and work of maintenance personnel amount and working strength simultaneously greatly.
The utility model content
The purpose of this utility model is exactly in order to address the above problem, and a kind of piping-main scheme heat supply AGC of power plant control system is provided, and it has the advantage that improves unit safety operation, reduces operations staff and work of maintenance personnel amount and working strength.
To achieve these goals, the utility model adopts following technical scheme:
A kind of piping-main scheme heat supply AGC of power plant control system, it comprises host computer, and host computer is connected with RTU, the piping-main scheme heat supply AGC of power plant control device, steam turbine control system successively, and the piping-main scheme heat supply AGC of power plant control device is connected with a plurality of boiler control systems.
The described piping-main scheme heat supply AGC of power plant control device comprises microprocessor, and microprocessor is connected with each boiler control system with steam turbine control system by corresponding I/O mouth module.
RTU is used for the communication of the AGC of this power plant control system and dispatching of power netwoks real-time control system by network.
Host computer, RTU, steam turbine control system, boiler control system are the existing hardware device.
RTU is the telecommunication terminal device.
The beneficial effects of the utility model: the utility model provides a kind of piping-main scheme heat supply AGC of power plant control system, make electrical network can stablize level and smooth load up, each boiler control system main steam pressure fluctuation is very little, play energy saving purposes, improve the safe operation of unit greatly, reduced operations staff and work of maintenance personnel amount and working strength.
Description of drawings
To be present host computer be connected block diagram with AGC signal between piping-main scheme heat supply machine group system to Fig. 1;
Fig. 2 is system block diagram of the present utility model.
Wherein, 1. host computer, 2.RTU, the 3. AGC of piping-main scheme heat supply power plant control device, 4. steam turbine control system, 5. boiler control system I, 6. boiler control system II, 7. boiler control system N.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and embodiment.
As Fig. 1, a kind of piping-main scheme heat supply AGC of power plant control system, it comprises host computer 1, host computer 1 is connected with RTU2, the piping-main scheme heat supply AGC of power plant control device 3, steam turbine control system 4 successively, the piping-main scheme heat supply AGC of power plant control device 4 respectively with boiler control system I5, boiler control system II6 ... boiler control system N7 connects.
The described piping-main scheme heat supply AGC of power plant control device 4 comprises microprocessor, and microprocessor is connected with each boiler control system with steam turbine control system 4 by corresponding I/O mouth module.
RTU2 is used for the communication of the AGC of this power plant control system and dispatching of power netwoks real-time control system by network.
RTU2 is the telecommunication terminal device.
This AGC of utility model power plant control system, it comprises:
The piping-main scheme heat supply AGC of power plant control device 3, this device is used for according to upper strata instruction control steam turbine control system, it is the process control station of core that this device has with the microprocessor, and this process control station is mutual with two or more boiler control systems by I/O module and steam turbine control system 4.
Grid, what be used for setting up steam turbine control system 4 and a plurality of described boiler control system and the described piping-main scheme heat supply AGC of power plant control device 3 connects and composes the hub-and-spoke network topology structure, make the piping-main scheme heat supply AGC of power plant control device 3 significantly in the lifting load, send different each boiler control instruction according to the ruuning situation (quantity of steam and heating load) of two or more boilers at the current steam turbine of control.That is to say, the piping-main scheme heat supply AGC of power plant control device 3 is according to the change direction of each boiler at the heating steam amount of bearing under preload and generating quantity of steam and next step unit load, speed, information such as size, use the dynamic differential feed-forward technique, increase or reduce the furnace coal weight of boiler in advance, make the such Large-lag System of boiler control system improve response speed, significantly reduced the fluctuation of each boiler control system main steam pressure, even can accomplish the piping-main scheme heat supply AGC of power plant control system during unit load significantly changes, each boiler control system main steam pressure remains unchanged substantially.So economic benefit is obvious.
The above-mentioned AGC of power plant control system, described process control station is redundant configuration, a usefulness one heat is equipped with.The execution terminal that described I/O module is process control station is redundant configuration, and a usefulness one heat is equipped with.Its process control station and described I/O module communicate by the fieldbus based on the PROFIBUS agreement; The fieldbus of PROFIBUS agreement is two networks of redundant configuration A, B, and a usefulness one heat is equipped with.The communication protocol of the upper layer network of AGC control system network adopts the Ethernet of ICP/IP protocol standard and CSMA/CD access control method.This upper layer network is two networks of redundant configuration A, B, and a usefulness one heat is equipped with.This AGC control system can be accepted the AC power of two road 220V, and power supply is redundant configuration, and a usefulness one heat is equipped with.So this AGC control system has very high reliability.
It further comprises the operator station that is installed on the central station of floating dock value long table of power station, by described grid to field process monitor, operate, record, warning and data communication.
It further comprises the module of the GPS time signal of accepting steam turbine control system.
Though above-mentionedly by reference to the accompanying drawings the specific embodiment of the present utility model is described; but be not the restriction to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection domain of the present utility model.
Claims (2)
1. the piping-main scheme heat supply AGC of power plant control system, it is characterized in that, it comprises host computer, and host computer is connected with RTU, the piping-main scheme heat supply AGC of power plant control device, steam turbine control system successively, and the piping-main scheme heat supply AGC of power plant control device is connected with a plurality of boiler control systems respectively.
2. a kind of piping-main scheme heat supply AGC of power plant control system according to claim 1, it is characterized in that, the described piping-main scheme heat supply AGC of power plant control device comprises microprocessor, and microprocessor is connected with a plurality of boiler control systems with steam turbine control system by corresponding I/O mouth module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320141736 CN203116168U (en) | 2013-03-26 | 2013-03-26 | Header-system heating power plant automatic generation control (AGC) system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320141736 CN203116168U (en) | 2013-03-26 | 2013-03-26 | Header-system heating power plant automatic generation control (AGC) system |
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| CN203116168U true CN203116168U (en) | 2013-08-07 |
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| CN 201320141736 Expired - Fee Related CN203116168U (en) | 2013-03-26 | 2013-03-26 | Header-system heating power plant automatic generation control (AGC) system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107154645A (en) * | 2017-05-31 | 2017-09-12 | 河北冀研能源科学技术研究院有限公司 | Method for enabling residual pressure waste heat generator set to participate in AGC (automatic gain control) adjustment of power plant |
| CN109541935A (en) * | 2018-11-23 | 2019-03-29 | 广西大学 | A kind of parameter adaptive fractional order active disturbance rejection automatic power generation control method |
| CN113356943A (en) * | 2021-07-30 | 2021-09-07 | 中国电建集团河南工程有限公司 | Method for debugging host of biomass and garbage generator set |
-
2013
- 2013-03-26 CN CN 201320141736 patent/CN203116168U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107154645A (en) * | 2017-05-31 | 2017-09-12 | 河北冀研能源科学技术研究院有限公司 | Method for enabling residual pressure waste heat generator set to participate in AGC (automatic gain control) adjustment of power plant |
| CN107154645B (en) * | 2017-05-31 | 2020-09-18 | 河北冀研能源科学技术研究院有限公司 | Method for enabling residual pressure waste heat generator set to participate in AGC (automatic gain control) adjustment of power plant |
| CN109541935A (en) * | 2018-11-23 | 2019-03-29 | 广西大学 | A kind of parameter adaptive fractional order active disturbance rejection automatic power generation control method |
| CN109541935B (en) * | 2018-11-23 | 2022-03-11 | 广西大学 | Parameter adaptive fractional order active disturbance rejection automatic power generation control method |
| CN113356943A (en) * | 2021-07-30 | 2021-09-07 | 中国电建集团河南工程有限公司 | Method for debugging host of biomass and garbage generator set |
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Granted publication date: 20130807 Termination date: 20190326 |
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| CF01 | Termination of patent right due to non-payment of annual fee |