CN101339411A - Supercritical DC furnace emulation simulator - Google Patents
Supercritical DC furnace emulation simulator Download PDFInfo
- Publication number
- CN101339411A CN101339411A CNA2008101186500A CN200810118650A CN101339411A CN 101339411 A CN101339411 A CN 101339411A CN A2008101186500 A CNA2008101186500 A CN A2008101186500A CN 200810118650 A CN200810118650 A CN 200810118650A CN 101339411 A CN101339411 A CN 101339411A
- Authority
- CN
- China
- Prior art keywords
- input end
- output terminal
- function generator
- connects
- multiplier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000003245 coal Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000013178 mathematical model Methods 0.000 abstract description 18
- 238000000034 method Methods 0.000 abstract description 10
- 238000004088 simulation Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000010977 unit operation Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Images
Landscapes
- Control Of Turbines (AREA)
- Feedback Control In General (AREA)
Abstract
The present invention discloses a simulator of a supercritical once-through boiler, which employs a mathematical model established in combination with an empirical modeling method of the supercritical once-through boiler of a thermal power plant unit set by combining an empirical modeling method on the basis of the mechanism of the thermal power plant unit set. The present invention is characterized in that segregator outlet pressure simulation, front pressure simulation, first level pressure and set load simulation, and segregator outlet enthalpy simulation are all contained in the simulator; the simulator performs a logic configuration to the mathematical model in a DCS control system; then, the simulator statically and dynamically configures each parameter of the mathematical model according to a probability statistics of the running parameters of the real running set, aiming at that the output parameters of the mathematical model can match with the parameters of the real running set well. As proved by field use, the simulator of the invention is capable of tracing actual running parameters on line with superior performance, thereby being helpful for analyzing control characteristics of the supercritical once-through boiler to provide more reasonable control schemes.
Description
Technical field
The present invention relates to a kind of emulation simulator, particularly about a kind of emulation simulator of supercritical DC furnace.
Background technology
Continuous development along with China's electric utility, demand to electric power is also increasing, improve the energy utilization rate of thermal power plant for energy savings, the generating capacity of unit thermal power generation unit also is greatly improved, and active cell thermal power generation unit is changed to 600MW supercritical DC furnace, 1000MW ultra supercritical direct current stove by the subcritical drum boiler of original 300MW.Because the operational factor of supercritical DC furnace is than higher, this just also has higher requirement to the automatic control of power plant.Still is a new field in China to the research of direct current stove, control characteristic to it is also not quite understood, this studies the dynamic perfromance of direct current stove with regard to requiring, set up suitable and practical mathematical model, so that accurate with practical more emulation platform is provided, control strategy to supercritical DC furnace is effectively studied, and then develops new type of control method, improves its whole control level.
Summary of the invention
At the problems referred to above, the purpose of this invention is to provide a kind of emulation simulator at supercritical DC furnace, this emulation simulator can be good at simulating the main operational factor of supercritical DC furnace.
For achieving the above object, the present invention takes following technical scheme: a kind of emulation simulator of supercritical DC furnace is characterized in that: it comprises the emulation of separator outlet pressure, the preceding pressure emulation of machine, first class pressure and unit load emulation and four parts of separator outlet enthalpy emulation; The emulation of described separator outlet pressure partly comprises one group of function generator (1～4), and the input end of function generator (1) is the coal amount, and its output terminal connects the dividend input end of a divider (a) behind three rank inertial elements; The divisor input end of described divider (a) is main feedwater flow, the input end of its output terminal contiguous function generator 2; The output terminal of described function generator (2) connects an input end of a multiplier (a); Another input end of described multiplier (a) is main feedwater flow, the input end of its output terminal contiguous function generator (3); The output terminal of described function generator (3) connects a subtracter (a)+input end after through the quadravalence inertial element; Described subtracter (a)-output terminal of input end contiguous function generator (4), its output terminal connects the input end of an integrator (a); The output terminal of described integrator (a) connects a subtracter (b)+input end; Described subtracter (b)-input end connects the output terminal of an integrator (b), and its output terminal connects the input end of described function generator (4); Pressure emulation partly comprises a function generator (5) before the described machine, and the input end of described function generator (5) is a main steam temperature, and its output terminal connects an input end of a multiplier (b); Another input end of described multiplier (b) connects the output terminal of a totalizer (a), its output terminal connect a subtracter (c)+input end; Described subtracter (c)-input end connects the output terminal of a multiplier (c), and its output terminal connects the input end of described integrator (b); An input end of described totalizer (a) is the desuperheating water flow, and its another input end connects the output terminal of described function generator (4); Described first class pressure and unit load emulation partly comprise one group of function generator (6～9), and the input end of function generator (6) connects the output terminal of described integrator (b); The output terminal of described function generator (6) connects an input end of described multiplier (c); The input end of function generator (7) is a steam turbine pitch aperture, and its output terminal connects another input end of described multiplier (c); The input end of the output terminal contiguous function generator (8) of described multiplier (c); The output terminal of described function generator (8) is contiguous function generator (9) behind first order inertial loop, and the output terminal of described function generator (9) connects first order inertial loop; The emulation of described separator outlet enthalpy partly comprises one group of function generator (11～12), and the input end of function generator (11) is the coal amount, and its output terminal connects the dividend input end of a divider (b) behind three rank inertial elements; Main feedwater flow connects the divisor input end of described divider (b) behind first order inertial loop, the output terminal of described divider (b) connects an input end of a totalizer (c); The input end of function generator (12) is a separator outlet pressure, and its output terminal connects another input end of described totalizer (c), and the output terminal of described totalizer (c) is the separator outlet enthalpy.
Described first class pressure and unit load emulation partly comprise one group of function generator (6～10), and the input end of function generator (6), (7), (10) all connects the output terminal of described integrator (b); The output terminal of described function generator (6) connects the input end of a totalizer (b); The output terminal of function generator (7) connects an input end of described multiplier (c); Another input end of described multiplier (c) is a steam turbine pitch aperture, and its output terminal connects the input end of described totalizer (b); The output terminal of described function generator (10) connects an input end of a multiplier (d); Another input end of described multiplier (d) connects the output terminal of a multiplier (e), and its output terminal connects the input end of described totalizer (b); The input end of described multiplier (e) is a steam turbine pitch aperture; The input end of the output terminal contiguous function generator (8) of described totalizer (b); The output terminal of described function generator (8) is contiguous function generator (9) behind first order inertial loop, and the output terminal of described function generator (9) connects first order inertial loop; Subtracter (c) before the described machine in the pressure emulation part-input end connects the output terminal of described totalizer (b).
The present invention is owing to take above technical scheme, it has the following advantages: 1, the present invention is the mechanism based on monoblock, and the mathematical model of the fuel-burning power plant monoblock direct current stove of setting up in conjunction with the method for experience modeling, therefore guaranteeing the rational while, also can be good in actual applications realizing.2, the setting of each parameter is relatively independent in the present invention, therefore has very flexible processing mode in the configuration of parameter.3, because the present invention is the specific implementation in power plant's Distributed Control System (DCS), therefore can well in power plant, be verified and use.The present invention uses proof to can be good at the actual operation parameters of on-line tracing unit through the scene, therefore can help to analyze the control characteristic of supercritical DC furnace, thereby propose more rational controlling schemes.
Description of drawings
Fig. 1 is a complete model logical diagram of the present invention
Fig. 2 is a simplified model logical diagram of the present invention
Fig. 3 is the load change curve map that the present invention draws through practice
Embodiment
Below in conjunction with drawings and Examples the present invention is described in detail.
As shown in Figure 1, the present invention is the mechanism based on the fuel-burning power plant monoblock, and the mathematical model of the fuel-burning power plant monoblock supercritical DC furnace of setting up in conjunction with the method for experience modeling, this mathematical model comprises pressure emulation part B before separator outlet pressure emulation part A, the machine, first class pressure and unit load emulation portion C and separator outlet enthalpy emulation part D.
Separator outlet pressure emulation part A comprises one group of function generator 1～4, and the input end of function generator 1 is coal amount W, and its output terminal connects the dividend input end of a divider a behind three rank inertial elements.The divisor input end of divider a is main feedwater flow Q, the input end of its output terminal contiguous function generator 2.The output terminal of function generator 2 connects the input end of a multiplier a.Another input end of multiplier a is main feedwater flow Q, the input end of its output terminal contiguous function generator 3.The output terminal of function generator 3 connects a subtracter a's after through the quadravalence inertial element+input end.Subtracter a-output terminal of input end contiguous function generator 4, its output terminal connects the input end of an integrator a.The output terminal of integrator a connects a subtracter b's+input end.Subtracter b-input end connects the output terminal of an integrator b, the input end of its output terminal contiguous function generator 4.The output terminal of function generator 4 connects a totalizer a.
The input variable of function generator 1 is coal amount W, and it is output as the feedwater flow Q of coal amount W correspondence
1, the output of function generator 1 behind three rank inertial elements divided by main feedwater flow Q.The effect of function generator 1 is as feedwater flow Q
1When not matching with main feedwater flow Q, coal amount W is to the correction that influences of main feedwater flow Q.Function generator 2 effect is that coal amount W does not revise main feedwater flow Q when the matching degree of coal amount W that enters boiler and main feedwater flow Q within the specific limits the time, and when exceeding certain scope, coal amount W ability is revised main feedwater flow Q.
The input variable of function generator 3 is the process function generator 1 revised main feedwater flow Q that enters economizer, reference variable-main steam flow V in the middle of it is output as.The function of function generator 3 is exactly that the main feedwater flow Q and the coal amount W that enter boiler are converted to the corresponding main steam flow V that enters boiler, enter boiler combustion with following quadravalence inertial element analog fuel again, and to the main feedwater flow Q pressurization back combustion characteristics to this section of separator inlet boiler of boiler of heating.
The input variable of function generator 4 is the separator outlet pressure P
bWith pressure P before the machine
tDifference, this difference is by the separator outlet pressure P
bWith pressure P before the machine
tInput subtracter b calculates, and it is output as the corresponding main steam flow V of this difference pressure drop
1The function of function generator 4 is these interval pressure-flow characteristics of superheater bringing-up section of boiler between simulation enters the mouth from the separator outlet to the steam turbine, by the separator outlet pressure P
bWith pressure P before the machine
tDifference calculate from the separator outlet to the steam turbine main steam flow V in the superheater bringing-up section of boiler between the inlet
1, main steam flow V
1Calculate the separator outlet pressure P with the difference of the main steam flow V that enters boiler separator through integrator a
b
Pressure emulation part B comprises a function generator 5 before the machine, and the input end of function generator 5 is main steam temperature T, and its output terminal connects the input end of a multiplier b.Another input end of multiplier b connects the output terminal of a totalizer a, its output terminal connect a subtracter c+input end.Subtracter c-input end connects the output terminal of a multiplier c, and its output terminal connects the input end of an integrator b.The output terminal of integrator b connects subtracter b's-input end.The input end of totalizer a is desuperheating water flow L, the output terminal of its another input end contiguous function generator 4.When the energy that the effect of function generator 5 is contained when the high steam of temperature was big, the output of function generator 5 was greater than 1, otherwise then less than 1, it has embodied the influence of main steam temperature T to steam quality.
First class pressure and unit load emulation portion C comprise one group of function generator 6～10, and the input end of function generator 6,7,10 all connects the output terminal of integrator b.The output terminal of function generator 6 connects the input end of a totalizer b, and the output terminal of function generator 7 connects the input end of a multiplier c.Another input end of multiplier c is steam turbine pitch aperture K, and its output terminal connects the input end of totalizer b.The output terminal of function generator 10 connects the input end of a multiplier d.Another input end of multiplier d connects the output terminal of a multiplier e, and its output terminal connects the input end of totalizer b.The input end of multiplier e is steam turbine pitch aperture K, the output terminal of totalizer b connect subtracter c-input end of input end and function generator 8.The output terminal of function generator 8 is contiguous function generator 9 behind first order inertial loop, and the output terminal of function generator 9 connects first order inertial loop.
The input variable of function generator 6,7,10 is a pressure P before the machine
t, their output and steam turbine pitch aperture K calculate the main steam flow V after steam does work by the bilinearity fitting method
2
The input variable of function generator 8 is the main steam flow V through steam acting behind the steam turbine pitch
2, its output is first class pressure P behind first order inertial loop
1The entry variable of function generator 9 is first class pressure P
1, its output is unit load NE behind first order inertial loop.
Separator outlet enthalpy emulation part D comprises one group of function generator 11～12, and the input end of function generator 11 is coal amount W, and its output terminal connects the dividend input end of a divider b behind three rank inertial elements.Main feedwater flow Q connects the divisor input end of divider b behind first order inertial loop, the output terminal of divider b connects the input end of a totalizer c.The input end of function generator 12 is the separator outlet pressure P
b, its output terminal connects another input end of totalizer c, and the output terminal of totalizer c is separator outlet enthalpy H.
In the foregoing description, the input variable of the function generator 6,7,10 in first class pressure and the unit load emulation portion C is a pressure P before the machine
t, their output and steam turbine pitch aperture K calculate the main steam flow V after steam does work by the bilinearity fitting method
2But when supercritical DC furnace moves, generally carry out lifting load under normal occlusion science and engineering condition, can meet the needs of production, therefore can adopt the main steam flow V after simpler method is done work to steam here according to certain sliding pressure curve
2Calculate, promptly can simplify processing first class pressure and unit load emulation portion C.
As shown in Figure 2, when adopting the mathematical model of simplifying, the input end of function generator 6 connects the output terminal of integrator b, and its output terminal connects the input end of multiplier c.The input end of function generator 7 is steam turbine pitch aperture K, and its output terminal connects another input end of multiplier c.The input end of the direct contiguous function generator 8 of the output terminal of multiplier c, and before the unit machine among the pressure emulation part B subtracter c-input end connects the output terminal of multiplier c.This moment, the input variable of function generator 6 was a pressure P before the machine
t, it is output as the preceding pressure P of this machine
tFollowing corresponding main steam flow.The function of function generator 6 is that the simulation main steam enters the variation characteristic of steam turbine to this section of steam turbine speed control porthole steam turbine acting main steam flow.The entry variable of function generator 7 is steam turbine pitch aperture K, and it is output as effective steam turbine pitch aperture.The function of function generator 7 is simulation steam turbine pitch aperture K influences to main steam flow, the main steam flow of the output of its output and function generator 6 after multiplier c product obtains the steam acting.The output of function generator 4 and desuperheating water flow L sum are the steam flow that enters superheater, and this steam flow is revised difference pressure P before integrator b calculates the machine of steam turbine of back and main steam flow through function generator 5
t
As shown in Figure 1 and Figure 2, in DCS (scattered control system), above-mentioned mathematical model is carried out Logical Configuration, as follows each operational factor in the above-mentioned mathematical model (mainly being function generator 1～12) is configured then:
When 1) in DCS, searching the operation of actual motion set steady, corresponding relation under the different load between each operational factor, operational factor comprise main feedwater flow Q, desuperheating water flow L, main steam temperature T, coal amount W, steam turbine pitch aperture K, separator outlet pressure P
b, pressure P before the machine
t, first class pressure P
1, unit load NE and main steam flow.
2) by the probability statistics of the operational factor of actual motion unit in the step 1) each parameter in the above-mentioned mathematical model is carried out static configuration, make the static output parameter of above-mentioned mathematical model under each load section can be good at embodying the characteristic of actual motion unit operation parameter.
3) rule of thumb value provides between the inertial time of inertial element in the above-mentioned mathematical model and the integral time of integrator.
4) parameter of in unit operation above-mentioned calculated with mathematical model being come out (comprises the separator outlet pressure P
b, pressure P before the machine
t, first class pressure P
1, unit load NE and separator outlet enthalpy H) compare analysis with the parameter of actual motion unit: if the final numerical value of each parameter of above-mentioned mathematical model and the operational factor of actual motion unit are the same, just and the operational factor of actual motion unit the individual mistiming is arranged, then change between the inertial time of corresponding inertial element integral time with integrator; If the operational factor of numerical value that each parameter of above-mentioned mathematical model is final and actual motion unit is different, then need to revise corresponding function generator, can be good at being complementary up to above-mentioned mathematical model with the actual motion unit.
As shown in Figure 3, be the load change curve map that adopts the present invention in the power station commissioning process, to obtain.Through field adjustable, a supercritical DC furnace load is raised to 500MW from 425MW, pressure P before separator outlet enthalpy H, the machine from figure
t, the separator outlet pressure P
bWith first class pressure P
1Curve as can be seen, the present invention can both well follow the tracks of the actual parameter of boiler in this course, has well finished the task of numerical simulation.
Although disclose preferred embodiment of the present invention and accompanying drawing for the purpose of illustration, its purpose is to help to understand content of the present invention and implement according to this, but person skilled in the art, without departing from the spirit and scope of the invention and the appended claims, can do various replacements, variation and retouching.Therefore, the present invention should not be limited to most preferred embodiment and the disclosed content of accompanying drawing, and protection scope of the present invention is as the criterion with the scope that appending claims was defined.
Claims (2)
1, a kind of emulation simulator of supercritical DC furnace is characterized in that: it comprises the emulation of separator outlet pressure, the preceding pressure emulation of machine, first class pressure and unit load emulation and four parts of separator outlet enthalpy emulation;
The emulation of described separator outlet pressure partly comprises one group of function generator (1～4), and the input end of function generator (1) is the coal amount, and its output terminal connects the dividend input end of a divider (a) behind three rank inertial elements; The divisor input end of described divider (a) is main feedwater flow, the input end of its output terminal contiguous function generator 2; The output terminal of described function generator (2) connects an input end of a multiplier (a); Another input end of described multiplier (a) is main feedwater flow, the input end of its output terminal contiguous function generator (3); The output terminal of described function generator (3) connects a subtracter (a)+input end after through the quadravalence inertial element; Described subtracter (a)-output terminal of input end contiguous function generator (4), its output terminal connects the input end of an integrator (a); The output terminal of described integrator (a) connects a subtracter (b)+input end; Described subtracter (b)-input end connects the output terminal of an integrator (b), and its output terminal connects the input end of described function generator (4);
Pressure emulation partly comprises a function generator (5) before the described machine, and the input end of described function generator (5) is a main steam temperature, and its output terminal connects an input end of a multiplier (b); Another input end of described multiplier (b) connects the output terminal of a totalizer (a), its output terminal connect a subtracter (c)+input end; Described subtracter (c)-input end connects the output terminal of a multiplier (c), and its output terminal connects the input end of described integrator (b); An input end of described totalizer (a) is the desuperheating water flow, and its another input end connects the output terminal of described function generator (4);
Described first class pressure and unit load emulation partly comprise one group of function generator (6～9), and the input end of function generator (6) connects the output terminal of described integrator (b); The output terminal of described function generator (6) connects an input end of described multiplier (c); The input end of function generator (7) is a steam turbine pitch aperture, and its output terminal connects another input end of described multiplier (c); The input end of the output terminal contiguous function generator (8) of described multiplier (c); The output terminal of described function generator (8) is contiguous function generator (9) behind first order inertial loop, and the output terminal of described function generator (9) connects first order inertial loop;
The emulation of described separator outlet enthalpy partly comprises one group of function generator (11～12), and the input end of function generator (11) is the coal amount, and its output terminal connects the dividend input end of a divider (b) behind three rank inertial elements; Main feedwater flow connects the divisor input end of described divider (b) behind first order inertial loop, the output terminal of described divider (b) connects an input end of a totalizer (c); The input end of function generator (12) is a separator outlet pressure, and its output terminal connects another input end of described totalizer (c), and the output terminal of described totalizer (c) is the separator outlet enthalpy.
2, a kind of emulation simulator of a kind of supercritical DC furnace as claimed in claim 1, it is characterized in that: described first class pressure and unit load emulation partly comprise one group of function generator (6～10), and the input end of function generator (6), (7), (10) all connects the output terminal of described integrator (b); The output terminal of described function generator (6) connects the input end of a totalizer (b); The output terminal of function generator (7) connects an input end of described multiplier (c); Another input end of described multiplier (c) is a steam turbine pitch aperture, and its output terminal connects the input end of described totalizer (b); The output terminal of described function generator (10) connects an input end of a multiplier (d); Another input end of described multiplier (d) connects the output terminal of a multiplier (e), and its output terminal connects the input end of described totalizer (b); The input end of described multiplier (e) is a steam turbine pitch aperture; The input end of the output terminal contiguous function generator (8) of described totalizer (b); The output terminal of described function generator (8) is contiguous function generator (9) behind first order inertial loop, and the output terminal of described function generator (9) connects first order inertial loop; Subtracter (c) before the described machine in the pressure emulation part-input end connects the output terminal of described totalizer (b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101186500A CN101339411B (en) | 2008-08-21 | 2008-08-21 | Supercritical DC furnace emulation simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101186500A CN101339411B (en) | 2008-08-21 | 2008-08-21 | Supercritical DC furnace emulation simulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101339411A true CN101339411A (en) | 2009-01-07 |
| CN101339411B CN101339411B (en) | 2010-06-02 |
Family
ID=40213497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101186500A Active CN101339411B (en) | 2008-08-21 | 2008-08-21 | Supercritical DC furnace emulation simulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101339411B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101872162A (en) * | 2009-04-22 | 2010-10-27 | 株式会社日立制作所 | Control device for complete equipment and control device for thermal power generation complete equipment |
| CN104864385A (en) * | 2014-02-24 | 2015-08-26 | 北京国电智深控制技术有限公司 | Method and device for calculating feed water flow instruction of supercritical unit |
| CN107420880A (en) * | 2017-06-20 | 2017-12-01 | 浙江大学 | Stream Temperature Control System parameter tuning method based on primary superheater full load section characteristic |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0445310A1 (en) * | 1990-02-09 | 1991-09-11 | Viessmann Werke GmbH & Co. | Method and device for in-temperature regulation of a multi-boiler heating system |
| CN2906705Y (en) * | 2006-01-16 | 2007-05-30 | 宫卓立 | Intelligent steam-injection boiler monitoring and control system |
| CN101211162B (en) * | 2007-12-24 | 2012-05-16 | 庞国仲 | Multi-variable time lag control method for fire coal units and industrial boiler combustion process |
-
2008
- 2008-08-21 CN CN2008101186500A patent/CN101339411B/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101872162A (en) * | 2009-04-22 | 2010-10-27 | 株式会社日立制作所 | Control device for complete equipment and control device for thermal power generation complete equipment |
| CN101872162B (en) * | 2009-04-22 | 2013-01-02 | 株式会社日立制作所 | Control device for complete equipment and control device for thermal power generation complete equipment |
| CN104864385A (en) * | 2014-02-24 | 2015-08-26 | 北京国电智深控制技术有限公司 | Method and device for calculating feed water flow instruction of supercritical unit |
| CN104864385B (en) * | 2014-02-24 | 2017-05-24 | 北京国电智深控制技术有限公司 | Method and device for calculating feed water flow instruction of supercritical unit |
| CN107420880A (en) * | 2017-06-20 | 2017-12-01 | 浙江大学 | Stream Temperature Control System parameter tuning method based on primary superheater full load section characteristic |
| CN107420880B (en) * | 2017-06-20 | 2019-03-01 | 浙江大学 | Stream Temperature Control System parameter tuning method based on primary superheater full load section characteristic |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101339411B (en) | 2010-06-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101320255B (en) | Thermal power unit coal-burning thermal value real time monitoring method and thermal value observer | |
| CN102621945B (en) | Efficiency dynamic optimizing operation closed-loop optimization control method based on optimum operating conditions of thermal generator set | |
| CN101509656B (en) | Supercritical DC furnace synthesis type coordinating control method | |
| CN111503620B (en) | Water supply whole-course control system suitable for deep peak shaving of coal-fired unit | |
| CN105201564A (en) | Main-steam-flow-based steam turbine sliding pressure optimization control method | |
| CN104932450B (en) | A kind of fired power generating unit control method for coordinating based on condensate throttling | |
| CN104847427B (en) | Two drag a heavy vapor fuel gas Combined Cycle Unit AGC control method | |
| CN101261007B (en) | Once-through steam generator steam pressure fuzzy -PID control method | |
| CN103795063B (en) | Based on circuit overload emergency control system and the method thereof of source lotus coefficient of concordance | |
| CN105512800A (en) | Method for determining peak adjustment scheduling of heat supply unit according to mode of ordering power by heat | |
| CN103678915A (en) | Thermal power plant generator set varying duty energy consumption analysis method based on approach method | |
| CN112072677A (en) | Pumped storage and electrochemical storage combined participation power grid load frequency control method based on fractional order PID | |
| CN101339411B (en) | Supercritical DC furnace emulation simulator | |
| CN110056858A (en) | A kind of fired power generating unit Heater Terminal Temperature Difference adaptive regulation method and device | |
| CN115241929A (en) | Peak regulation control method and device for coal-electric unit, storage medium and electronic equipment | |
| CN105736071B (en) | 200MW thermal power plant unit management valve optimization method based on distribution way of steam switching | |
| CN103618339B (en) | Total regulating power distribution method in automatic generation control | |
| CN201311565Y (en) | Emulational simulator of above-critical DC furnace | |
| CN214120120U (en) | Fuel supply control system for full load section of thermal generator set | |
| CN111682593B (en) | Thermal power generating unit coordination optimization method based on neural network model state observer | |
| CN104132552A (en) | Converter waste heat steam comprehensive utilization system and method | |
| CN108931928B (en) | Simulation method for frequency modulation of two-region system with supercritical unit participating in wind power absorption | |
| CN108196452B (en) | Heat supply unit optimal initial pressure operation control system and method based on heat balance | |
| CN201225992Y (en) | Observer for thermal power generating units fire coal caloricity | |
| CN111310310A (en) | Thermodynamic system static power flow fast decoupling calculation method for quantity adjustment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING GUODIAN ZHISHEN CONTROL TECHNOLOGY CO., LT Free format text: FORMER OWNER: BEIJING GUODIAN ZHISHEN CONTROL TECHNOLOGY CO., LTD. Effective date: 20130130 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130130 Address after: 100192 Beijing city small business Qinghe Road No. 15 Patentee after: China Electric Power Research Institute Patentee after: Beijing Guodian Zhishen Control Technology Co., Ltd. Patentee after: State Grid Corporation of China Address before: 100192 Beijing city small business Qinghe Road No. 15 Patentee before: China Electric Power Research Institute Patentee before: Beijing Guodian Zhishen Control Technology Co., Ltd. |