CN203175626U - Power-frequency regulating system of thermal power generating unit - Google Patents
Power-frequency regulating system of thermal power generating unit Download PDFInfo
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- CN203175626U CN203175626U CN2013201495375U CN201320149537U CN203175626U CN 203175626 U CN203175626 U CN 203175626U CN 2013201495375 U CN2013201495375 U CN 2013201495375U CN 201320149537 U CN201320149537 U CN 201320149537U CN 203175626 U CN203175626 U CN 203175626U
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- steam turbine
- boiler
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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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- Control Of Turbines (AREA)
Abstract
The utility model relates to a power-frequency regulating system of a thermal power generating unit. The power-frequency regulating system comprises a turbine, a turbine control valve controller, a speed controller, an electric generator, an automatic electricity generation controller, a boiler, a boiler controller and a turbine/boiler controller. The turbine/boiler controller is connected with the turbine sequentially through the speed controller and the turbine control valve controller and is connected with the boiler through the boiler controller. The boiler is connected with the turbine, the turbine is connected with the electric generator, the electric generator is connected with the automatic electricity generation controller, and the automatic electricity generation controller is connected with the turbine/boiler controller. Compared with the prior art, the power-frequency regulating system of the thermal power generating unit not only includes the concept of traditional primary frequency modulation, but also includes part of the concept of secondary frequency modulation, and thus has the advantages of being strong in adaptability and the like.
Description
Technical field
The utility model relates to thermal power generation, specifically relates to a kind of fired power generating unit merit regulating system frequently.
Background technique
The quick adjustment of fired power generating unit needs many-sided common cooperation such as boiler, steam turbine and control system separately, coordinated control system, actuator.Excavate various potential regulating powers, improve the unit dynamic responding speed, this stability after to the electric power system disturbance has crucial effects.
From turbine regulating system and parameter measurement research as can be known, along with the development of technology, bigger variation has taken place in the speed control system of modern steam turbine, is the complex process of a machine net, the coupling of machine stove.
Summary of the invention
The purpose of this utility model is exactly to provide a kind of fired power generating unit merit regulating system frequently for the defective that overcomes above-mentioned prior art existence.
The purpose of this utility model can be achieved through the following technical solutions: a kind of fired power generating unit merit is regulating system frequently, it is characterized in that, comprise steam turbine, steam turbine pitch controller, speed regulator, generator, the Automatic Generation Control device, boiler, boiler controller, steam turbine/boiler controller, described steam turbine/boiler controller passes through speed regulator successively, steam turbine pitch controller connects steam turbine, connect boiler by boiler controller, described boiler connects steam turbine, steam turbine connects generator, generator connects the Automatic Generation Control device, the Automatic Generation Control device connects steam turbine/boiler controller, and the power that requires of generator set is imported steam turbine/boiler controller.
The power of the assembling unit output terminal of described generator connects machine group rotor, steam turbine pitch controller and the steam turbine/boiler controller of generator.The merit angle of machine group rotor is regulated by generator network load in the net, the rotating speed of machine group rotor is by generator network load, steam turbine pitch controller and steam turbine in the net/boiler controller control, mechanical output controller group rotor inertia in steam turbine and the reheater dynamic process has determined steam flow in the boiler pressure dynamic process and steam turbine pitch controller to regulate opportunity and the size of porthole simultaneously.
The frequency of generator network load and internet exchange power input Automatic Generation Control device in the net.
The machine group rotor of described generator connects steam turbine pitch controller and steam turbine/boiler controller respectively.
The main steam pressure output terminal of described boiler connects steam turbine, steam turbine pitch controller and steam turbine/boiler controller respectively.
Compared with prior art, the utlity model has following advantage:
1. mechanical hydraulic-pressure type control turns to digital electro-hydraulic formula control (DEH);
2. introduce unit cooperative control (CCS), adopt the primary frequency modulation control mode of CCS+DEH mostly;
3. feedback frequency/tach signal not only in the primary frequency modulation, and feedback power signal is merit control mode frequently;
4. the variation of control mode, for example machine is followed machine mode, fixed pressure operation and sliding pressure operation with stove mode and stove.
Description of drawings
Fig. 1 is the utility model structural representation.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
Embodiment
As shown in Figure 1, a kind of fired power generating unit merit is regulating system frequently, comprise steam turbine, steam turbine pitch controller 2, speed regulator, generator, Automatic Generation Control device 9, boiler, boiler controller 5, steam turbine/boiler controller 4, described steam turbine/boiler controller 4 passes through speed regulator successively, steam turbine pitch controller 2 connects steam turbine and (changes 3 by the speed regulator rotating speed and regulate steam turbine pitch controller 2, thereby carry out the operation of Steam Turhine Adjustment porthole), steam turbine/boiler controller 4 connects boiler by boiler controller 5, described boiler connects steam turbine (boiler controller 5 control boiler inputs, thereby regulate the main steam pressure of boiler pressure dynamic process 6 outputs), steam turbine connects generator, generator connects Automatic Generation Control device 9, Automatic Generation Control device 9 connects steam turbine/boiler controller 4, and the power that requires of generator set is imported steam turbine/boiler controller 4.
The power of the assembling unit output terminal of described generator connects machine group rotor, steam turbine pitch controller and the steam turbine/boiler controller of generator.The machine group rotor of generator connects steam turbine pitch controller and steam turbine/boiler controller respectively.The merit angle of machine group rotor is regulated by generator network load in the net 8, the rotating speed of machine group rotor is by generator network load 8, steam turbine pitch controller 2 and 4 controls of steam turbine/boiler controller in the net, mechanical output controller group rotor inertia 7 in steam turbine and the reheater dynamic process 1 has determined in the boiler pressure dynamic process opportunity and size that 6 steam flow and steam turbine pitch controller 2 are regulated portholes simultaneously.
The frequency of generator network load 8 and internet exchange power input Automatic Generation Control device 9 in the net.
The main steam pressure output terminal of described boiler connects steam turbine, steam turbine pitch controller and steam turbine/boiler controller respectively.The main steam of boiler enters steam turbine and steam turbine pitch controller 2, thus the mechanical output of control steam turbine and reheater dynamic process 1 input generator.
Claims (4)
1. fired power generating unit merit regulating system frequently, it is characterized in that, comprise steam turbine, steam turbine pitch controller, speed regulator, generator, Automatic Generation Control device, boiler, boiler controller, steam turbine/boiler controller, described steam turbine/boiler controller connects steam turbine by speed regulator, steam turbine pitch controller successively, connect boiler by boiler controller, described boiler connects steam turbine, steam turbine connects generator, generator connects the Automatic Generation Control device, and the Automatic Generation Control device connects steam turbine/boiler controller.
2. a kind of fired power generating unit merit frequency regulating system according to claim 1 is characterized in that the power of the assembling unit output terminal of described generator connects machine group rotor, steam turbine pitch controller and the steam turbine/boiler controller of generator.
3. a kind of fired power generating unit merit frequency regulating system according to claim 2 is characterized in that the machine group rotor of described generator connects steam turbine pitch controller and steam turbine/boiler controller respectively.
4. a kind of fired power generating unit merit frequency regulating system according to claim 1 is characterized in that the main steam pressure output terminal of described boiler connects steam turbine, steam turbine pitch controller and steam turbine/boiler controller respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201495375U CN203175626U (en) | 2013-03-28 | 2013-03-28 | Power-frequency regulating system of thermal power generating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201495375U CN203175626U (en) | 2013-03-28 | 2013-03-28 | Power-frequency regulating system of thermal power generating unit |
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| Publication Number | Publication Date |
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| CN203175626U true CN203175626U (en) | 2013-09-04 |
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| CN2013201495375U Expired - Lifetime CN203175626U (en) | 2013-03-28 | 2013-03-28 | Power-frequency regulating system of thermal power generating unit |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105020693A (en) * | 2014-04-18 | 2015-11-04 | 上海明华电力技术工程有限公司 | Intelligent direct current furnace water supply separator temperature control method based on UCPS |
| CN106432997A (en) * | 2016-10-14 | 2017-02-22 | 山东纳鑫电力科技有限公司 | Primary frequency regulation device of thermal power generating unit |
| CN107370156A (en) * | 2017-08-24 | 2017-11-21 | 赫普科技发展（北京）有限公司 | A kind of power grid frequency modulation system based on electrode boiler |
| CN107528330A (en) * | 2017-10-10 | 2017-12-29 | 赫普科技发展（北京）有限公司 | A kind of power grid frequency modulation system based on electric compression refigerating machine group for thermal power plant |
| CN107766632A (en) * | 2017-10-11 | 2018-03-06 | 大连理工大学 | Meter and the dynamic fired power generating unit low order frequency response modeling method of accumulation of heat |
| CN108104888A (en) * | 2017-12-28 | 2018-06-01 | 赫普科技发展（北京）有限公司 | A kind of power grid frequency modulation system and method based on frequency modulation bypass |
| CN108448596A (en) * | 2018-05-30 | 2018-08-24 | 西安热工研究院有限公司 | Fired power generating unit primary frequency modulation control system and method |
| CN112769167A (en) * | 2020-12-31 | 2021-05-07 | 国网山东省电力公司滨州供电公司 | Wind power, thermal power and electric cooperative frequency modulation control method and system |
-
2013
- 2013-03-28 CN CN2013201495375U patent/CN203175626U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105020693A (en) * | 2014-04-18 | 2015-11-04 | 上海明华电力技术工程有限公司 | Intelligent direct current furnace water supply separator temperature control method based on UCPS |
| CN105020693B (en) * | 2014-04-18 | 2017-08-25 | 上海明华电力技术工程有限公司 | Once-through Boiler intellectuality feedwater separator temperature control method based on UCPS |
| CN106432997A (en) * | 2016-10-14 | 2017-02-22 | 山东纳鑫电力科技有限公司 | Primary frequency regulation device of thermal power generating unit |
| CN106432997B (en) * | 2016-10-14 | 2017-09-15 | 山东纳鑫电力科技有限公司 | A kind of fired power generating unit primary frequency modulation device |
| CN107370156A (en) * | 2017-08-24 | 2017-11-21 | 赫普科技发展（北京）有限公司 | A kind of power grid frequency modulation system based on electrode boiler |
| CN107528330A (en) * | 2017-10-10 | 2017-12-29 | 赫普科技发展（北京）有限公司 | A kind of power grid frequency modulation system based on electric compression refigerating machine group for thermal power plant |
| CN107766632A (en) * | 2017-10-11 | 2018-03-06 | 大连理工大学 | Meter and the dynamic fired power generating unit low order frequency response modeling method of accumulation of heat |
| CN107766632B (en) * | 2017-10-11 | 2020-11-06 | 大连理工大学 | Thermal power generating unit low-order frequency response modeling method considering heat storage dynamics |
| CN108104888A (en) * | 2017-12-28 | 2018-06-01 | 赫普科技发展（北京）有限公司 | A kind of power grid frequency modulation system and method based on frequency modulation bypass |
| CN108104888B (en) * | 2017-12-28 | 2023-09-05 | 赫普能源环境科技股份有限公司 | Power grid frequency modulation system and method based on frequency modulation bypass |
| CN108448596A (en) * | 2018-05-30 | 2018-08-24 | 西安热工研究院有限公司 | Fired power generating unit primary frequency modulation control system and method |
| CN112769167A (en) * | 2020-12-31 | 2021-05-07 | 国网山东省电力公司滨州供电公司 | Wind power, thermal power and electric cooperative frequency modulation control method and system |
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| GR01 | Patent grant | ||
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Granted publication date: 20130904 |
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| CX01 | Expiry of patent term |