US20140217745A1 - Systeme de commande pour regulation multivariable de centrale thermique a flamme - Google Patents

Systeme de commande pour regulation multivariable de centrale thermique a flamme Download PDF

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US20140217745A1
US20140217745A1 US14/122,659 US201214122659A US2014217745A1 US 20140217745 A1 US20140217745 A1 US 20140217745A1 US 201214122659 A US201214122659 A US 201214122659A US 2014217745 A1 US2014217745 A1 US 2014217745A1
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steam pressure
regulating
loop
chain
disturbing influence
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US14/122,659
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English (en)
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Eve Dufosse
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Electricite de France SA
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Individual
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Publication of US20140217745A1 publication Critical patent/US20140217745A1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01D15/10—Adaptations for driving, or combinations with, electric generators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K15/00—Adaptations of plants for special use
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K13/00—General layout or general methods of operation of complete plants
    • F01K13/02—Controlling, e.g. stopping or starting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
    • F01K7/16—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type
    • F01K7/165—Controlling means specially adapted therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
    • F01K7/16—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type
    • F01K7/22—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type the turbines having inter-stage steam heating

Definitions

  • the invention relates to a control system for fossil fuel power station for generation of electricity from fuel.
  • the invention relates more precisely to a control device of such a power station for monitoring power and ensuring that some criteria of the state of the superheated steam are respected, as well as a power station comprising such a system, and a control process of a power station by the execution of such a control system.
  • the invention could apply for example to a coal-fired power station.
  • a power station whereof FIG. 1 presents a schematic illustration, produces electricity from a heat source fed by fuel.
  • the production of heat is governed by the fuel supply GC of the heat source, here a boiler 103 .
  • This heat is transmitted to a working fluid circulating in a circuit to have it pass from the liquid state to the gaseous state, such that this working fluid is in steam phase over part of the circuit.
  • Regulating valves whereof the state is defined by their opening SR can regulate the feed of a turbine 114 .
  • the state of the steam is defined by a certain pressure P and a certain temperature T.
  • the steam enables rotation of the turbine 114 which is mechanically connected to an alternator 116 , the latter producing electric power W.
  • the power station illustrated in FIG. 1 will be described in more detail in the description hereinbelow.
  • a regulator PI is closed-loop regulation which enables regulation of the error between an instruction and measurement of a value.
  • the regulator PI exerts on the error a proportional and integral double action—it multiplies the error by a fixed factor, the gain,—it integrates the error over a certain time span and divides the integrated value by another fixed factor. In this way each variable regulator of the system has an input and an output.
  • the system in question is of multivariable nature—that is, at least one input exerts an influence on several outputs. Multivariable systems with such monovariable regulators see their stability greatly affected over time. This same multivariable character makes parametering difficult. Also, the performance of thermal power stations varies between high and low load. The regulations must therefore respond to robustness criteria not permitted by monovariable regulators.
  • Another approach present in the state of the art consists of running a predictive command. Such control requires real-time calculation of the minimum of a quadratic cost function. The necessary capacity of calculation and memory are not often available in existing installations. Also, this approach requires heavy means to be put in place.
  • An aim of the invention is therefore to propose a power station control system for eliminating these disadvantages.
  • An aim of the invention is therefore more precisely to propose a power station control system offering regulation for good power dynamics, having interesting characteristics of robustness, stability and rapidity.
  • Another aim of the invention is that this control system can easily be put in place in existing fossil fuel power stations.
  • the invention proposes fulfilling these aims.
  • a control system for the regulation multivariable d′une fossil fuel power station pour the generation of electricity from fuel comprising:
  • the invention proposes a fossil fuel power station comprising
  • the invention proposes a control process of a fossil fuel power station according to the second aspect, in which:
  • FIG. 1 is a summarised schema of a fossil fuel power station known to the expert
  • FIG. 2 illustrates a diagram for regulation of superheated steam pressure P according to a first embodiment of the system according to the invention
  • FIG. 3 illustrates a regulation diagram for superheated steam pressure P according to a second embodiment of the system according to the invention
  • FIG. 4 is a diagram for regulation of produced electric power W corresponding to the two embodiments of the system according to the invention.
  • FIG. 5 is a diagram for adaptive regulation corresponding to the first embodiment of the system according to the invention.
  • FIGS. 6A and 6B are curves of temporal evolution of several magnitudes in response to an echelon of production of electric power by way of comparison between a control system according to the first embodiment of the invention and a system of H ⁇ type.
  • FIG. 1 is a summarised and simplified diagram of a fossil fuel power station 100 .
  • the solid arrows 107 represent circulation of the working fluid both in liquid and gaseous phase.
  • This working fluid is a heat-transfer fluid which is most often water. So, in the interests of simplification, the working fluid is water in the present description.
  • the simplified operating principle is the following.
  • the fuel supply GC causes the fuel to be directed to the assembly 102 comprising the boiler 103 and its auxiliaires.
  • the fuel undergoes treatment, then combustion per se. Combustion of the fuel releases heat, represented by the white arrows 105 , which is especially transferred to water which circulates in the tubes of an exchanger 104 .
  • This water passes into the steam state.
  • the balloon 106 separates liquid water from steam, the latter partant in an assembly of superheaters 108 .
  • the superheaters 108 can be subject to additional injections of water via the water injection system 110 , whereof one of the actuators allows the control of injection of overheating desuperheating water Q DSHT .
  • the temperature and the pressure of water increase sharply. Water passes to the superheated steam state. This steam is conveyed to the turbine 114 , passing through regulating valves 112 located upstream of the first body of the turbine and whereof the opening is defined by the parameter SR. Between the regulating valves 112 and the turbine 114 , the superheated steam has a temperature T and pressure P.
  • the steam undergoes relaxation which allows rotation of the turbine wheels.
  • the water then rfeturns to the system 108 , via a resuperheater, before rejoining the body of average pressure MP, then the low-pressure body BP of the turbine.
  • a similar relaxation phenomenon also enables rotation of the turbine wheels 114 .
  • Such rotation drives the electrical alternator 116 , producing electric power W.
  • the fuel supply GC has oscillations during strong power demands, which causes major stress on the boiler 103 and depollution elements present at the evacuation level of the boiler 103 .
  • the invention produces a fuel supply which causes no excessive stress on the boiler and the depollution elements, extending their service life. Also, the invention circumvents problems inherent in the presence of a delay resulting from the conveying, processing and possible heating of the fuel.
  • FIGS. 2 and 4 A first embodiment of the invention in the event of a control system of a coal-fired power station is illustrated by FIGS. 2 and 4 .
  • control system relates to a coal-fired power station whereof the operation corresponds to FIG. 1 described hereinabove.
  • the system to be controlled is of multivariable type.
  • the inputs of this system are:
  • W therefore depends linearly on the opening of regulating valves SR and the steam pressure P, superheated steam pressure in this embodiment.
  • the coefficients a and b are coefficients defined according to considerations experimental the characteristics of the power station and according to considerations of security, efficacy and service life of installations. For example, a and b can respectively have as possible values 0.77 and 3.4.
  • P1(t) and P2(t) represent respectively the contribution of the fuel supply GC and of the opening of regulating valves SR at steam pressure P.
  • the aim is to adapt the internal model control method to the power station, which is defined in that the control system of the power station must comprise a representation of the physical process to be controlled.
  • each of the regulating loops 200 , 400 a variable of a loop is taken into account as a disturbing influence in the other loop. Also, each of said loops comprises a control variable the actioning of which regulates performance of the power station.
  • FIG. 2 shows a regulating loop 200 of superheated steam pressure P corresponding to the first embodiment of the invention described.
  • the regulating loop 200 comprises a rejection chain of disturbing influence 202 , a determination chain of the control variable without disturbing influence 204 and a modelling chain 206 of a transfer function H GC-P1 between the fuel supply GC and the contribution P1 at the steam pressure P of the fuel supply GC.
  • Rejection chain of disturbing influence in the present description means a regulating loop element taking into account by its input a variable considered as a disturbing influence in said regulating loop with the aim of rejecting it, that is, exempting it from its effect, by its being taken into account upstream of the determination of the control variable of said regulating loop.
  • the input of the regulating loop 200 is the reference pressure P REF as an instruction pressure whereof the value is especially fixed according to the characteristics of the power station and according to considerations of security, efficacy and service life of installations.
  • the output of the regulating loop 200 is the superheated steam pressure P and takes into account as a disturbing influence to be rejected the opening of the regulating valves SR upstream of the turbine 114 .
  • FIG. 2 shows a real chain 208 whereof the transfer functions H GC-P1 and H SR-P2 represent the real operation of installations of the power station 100 such as described in FIG. 1 .
  • This representation of the real chain 208 decomposes the superheated steam pressure P into two components P1 and P2.
  • the first component of the pressure P1 is the component dependent on the coal feed GC which does not consider the opening of regulating valves SR.
  • P1 therefore represents the contribution of the fuel supply GC at the steam pressure P.
  • the second component of the pressure P2 is the component dependent on the opening of regulating valves SR.
  • P2 therefore represents the contribution of the opening of regulating valves SR at the steam pressure P.
  • the real chain 208 here comprises two transfer functions.
  • the transfer function H GC-P1 is the function linking the fuel supply GC to the contribution P1 of the latter at the steam pressure P.
  • the transfer function H SR-P2 is the function linking the opening of regulating valves SR to the contribution P2 of the latter at the steam pressure P.
  • the modelling chain 206 models the transfer function H GC-P1 between the coal feed GC and the contribution P1 at the steam pressure P of the coal feed GC. This modelling chain 206 does not consider the opening of regulating valves SR which comes from the regulating loop 400 of power W.
  • the regulating loop 200 of steam pressure P takes into account a pure delay ⁇ .
  • the pure delay ⁇ between the coal feed GC and the pressure P is taken into account in the modelling chain 206 of the transfer function H GC-P1 between the coal feed GC and the contribution P1 at the steam pressure P of the fuel supply GC.
  • the modelling of the transfer function H GC-P1 is of form G 1 (s) ⁇ e ⁇ s , with G 1 (s) a stable function of the first order, reversible.
  • G 1 (s) a stable function of the first order, reversible.
  • the output magnitude of the modelling chain 206 is subtracted at the steam pressure P to obtain the input of the rejection chain of disturbing influence 202 .
  • the determination chain of the control variable without disturbing influence 204 is constituted by a transfer function inputting an instruction of steam reference pressure P REF , function of type G 1 ⁇ 1 (s) ⁇ F 1 (s), with F 1 (s) a filter of type
  • the rejection chain of disturbing influence 202 is constituted by a transfer function G 1 ⁇ 1 (s) ⁇ F 2 (s), with F 2 (s) a filter of type
  • a reference pressure instruction P REF passes via a transfer function of type G 1 ⁇ 1 (s) ⁇ F 1 (s), then the output of the rejection chain of disturbing influence 202 is subtracted from the output of this transfer function.
  • the resulting fuel supply GC is then taken as input of a transfer function H GC-P1 whereof the output is added to the output of a transfer function H SR-P2 inputting the opening of regulating valves SR.
  • the result of this subtraction is an input for the rejection transfer function of disturbing influence 202 of type G 1 ⁇ 1 (s) ⁇ F 2 (s), whereof the output is subtracted from the output of the transfer function 204 of type G 1 ⁇ 1 (s) ⁇ F 1 (s) inputting the reference pressure instruction P REF , as shown earlier.
  • FIG. 4 shows a regulating loop 400 of electric power W corresponding to the embodiment described.
  • the regulating loop 400 of electric power comprises an integral proportional regulator 402 and a rejection chain of disturbing influence and anticipation of follow-up of instruction 404 .
  • the regulating loop 400 inputs the instruction of electric power W REF , whereof the value is fixed especially as a function of the power station load and of the demand for electricity, and also as a function of the physical characteristics of the power station.
  • the output of the regulating loop 400 is the electric power W and takes into account as a disturbing influence the superheated steam pressure P, which is a variable of the regulating loop 200 of steam pressure P.
  • the functional diagram of FIG. 4 shows a real chain 406 whereof the functions represent the real operation of installations of the power station 100 such as described in FIG. 1 in the form of a transfer function H SR-W between the opening of regulating valves SR and the electric power W.
  • the integral proportional regulator 402 inputs the difference ⁇ between the instruction of electric power W REF and the electric power W produced by the power station.
  • a rejection chain of disturbing influence and anticipation of follow-up of instruction 404 inputs the reference instruction of electric power W REF and the steam pressure P, the latter variable being taken into account as a disturbing influence to be rejected.
  • the opening of regulating valves SR upstream of the turbine 114 is achieved by the output of the integral proportional regulator 402 from which is subtracted the output of the rejection chain of disturbing influence and anticipation of follow-up of instruction 404 of the regulating loop 400 of the electric power W.
  • Regulating of electric power W shown by the regulating loop 400 is therefore done by anticipations on the power instruction W REF and the superheated steam pressure P.
  • the equation governing the performance of electric power shows that there is no dynamic effect.
  • a regulator PI inputs reference a instruction of electric power W REF from which is subtracted the electric power W; this regulator rejects the modelling errors of the electric power W.
  • the reference instruction of electric power W REF from which is subtracted the steam pressure P multiplied by b, is also divided by the coefficient a in a rejection chain of disturbing influence and anticipation of follow-up of instruction 404 .
  • the opening of regulating valves SR is an input for a transfer function H SR-W of the system to be controlled and which outputs the electric power W.
  • control system described by the invention is based on models of the process used in a fossil fuel power station.
  • the different parameters of these models can derive from onsite measurements.
  • the Strejc method could for example be applied.
  • the transfer function H SR-W of the produced electric power W it is possible to use the method of least squares.
  • An added advantage of the present invention is to allow application of the adaptive regulation, as illustrated by FIG. 5 described hereinbelow, to the regulating loop 200 of steam pressure P.
  • the online estimation of parameters can be done for example by the ARX method (from the English Auto Regressive model with eXternal inputs for auto-regressive model with external inputs).
  • the temperature control of the superheated steam T is done by a regulator of type H ⁇ , as the dynamic modelling of the temperature is not reliable.
  • the intrinsic robustness of the regulator H ⁇ is therefore interesting in this very case.
  • the different regulation laws are then associated to produce coordinated multivariable control of the magnitudes to be controlled.
  • a second embodiment of the present invention corresponds to a system equivalent to that described in the first embodiment, by substituting the regulating loop 300 of steam pressure P shown in FIG. 3 for the regulating loop 200 of steam pressure P shown in FIG. 2 .
  • FIG. 3 shows a regulating loop 300 of superheated steam pressure P corresponding to a second embodiment of the invention described hereinbelow.
  • the regulating loop 300 comprises a rejection chain of disturbing influence 302 , a determination chain of the control variable 304 , a modelling chain 306 of a transfer function H GC-P1 between the fuel supply GC and the contribution P1 at the steam pressure P of the fuel supply GC and a return loop without delay 316 .
  • the regulating loop 300 inputs the reference pressure P REF as a pressure instruction whereof the value is fixed especially according to the characteristics of the power station and according to considerations of security, efficacy and service life of installations.
  • the regulating loop 300 outputs the superheated steam pressure P and considers as disturbing influence to be rejected the opening of regulating valves SR upstream of the turbine 114 .
  • the functional diagram of FIG. 3 shows a real chain 308 whereof the functions H GC-P1 and H SR-P2 represent the real operation of installations of the power station 100 such as described in FIG. 1 .
  • This representation of the real chain 308 decomposes the superheated steam pressure P into two components P1 and P2.
  • the first component of the pressure P1 is the component dependent on the coal feed GC which does not consider the opening of regulating valves SR.
  • the second component of the pressure P2 is the component dependent on the opening of regulating valves SR which does not consider the coal feed GC.
  • the real chain 308 is here composed of two transfer functions.
  • the transfer function H GC-P1 is the function linking the fuel supply GC to the contribution P1 of the latter at the steam pressure P.
  • the transfer function H SR-P2 is the function linking the opening of regulating valves SR to the contribution P2 of the latter at the steam pressure P.
  • the modelling chain 306 models a transfer function H GC-P1 between the coal feed GC and the contribution P1 at the steam pressure P of the coal feed GC. This modelling chain 306 does not consider the variable SR which comes from the regulating loop 400 of power W.
  • the regulating loop 300 of steam pressure P takes into account a pure delay ⁇ .
  • the pure delay ⁇ is taken into account in the modelling chain 306 , modelling chain of a transfer function H GC-P1 between the fuel supply GC and the contribution P1 at the steam pressure P of the fuel supply GC.
  • the modelling of the transfer function H GC-P1 between GC and P1 is of form G 1 (s) ⁇ e ⁇ s , with G 1 (s) a stable function of the first order, reversible. It is however decomposed into two transfer functions G 1 (s) and e ⁇ s , G 1 (s) located upstream of e ⁇ s on the modelling chain 306 , G 1 (s) being the component independent of the pure delay ⁇ and e ⁇ s the component corresponding to the pure delay.
  • the output magnitude of the modelling chain 306 is subtracted at the steam pressure P to produce the input of the rejection chain of disturbing influence 302 .
  • the regulating loop 300 of pressure P comprises a return loop without delay 316 inputting the magnitude at output of the transfer function G 1 (s) of the modelling chain 306 corresponding to the component of the modelling independent of the pure delay ⁇ .
  • This magnitude at output therefore has value G 1 (s) ⁇ GC(s).
  • the latter value is subtracted by the return loop without delay 316 from the instruction of superheated steam pressure P REF at the level of the determination chain 304 of the control variable.
  • the rejection chain of disturbing influence 302 models a transfer function R 2 (s) applied at the steam pressure P.
  • the transfer function R 2 (s) defines the response to disturbing influences.
  • R 2 (s) is of form 1 ⁇ M(s) ⁇ e ⁇ L ⁇ s .
  • the determination chain of the control variable 304 inputs the instruction of superheated steam pressure P REF .
  • the result of the rejection chain of disturbing influence 302 and the result of the return loop without delay 316 are subtracted from the instruction of superheated steam pressure P REF .
  • the fuel supply GC is achieved from the application of a transfer function R 1 (s) to the magnitude resulting from these comparisons.
  • This transfer function R 1 (s) of the determination chain of the control variable 306 defines the dynamic of the instruction follow-up and can be for example a regulator of type PID (proportional integral derivative).
  • This fuel supply GC passes via a transfer function H GC-P1 of the system to be controlled to give the contribution P 1 of the fuel supply GC at the steam pressure P.
  • the opening of regulating valves SR passes via a transfer function H SR-P2 of the system to be controlled to give the contribution P 2 of the opening of regulating valves SR at the steam pressure P.
  • the fuel supply GC passes via a transfer function G 1 (s), whereof the output is both returned by the loop without delay 316 as mentioned above, and also is an input for a transfer function e ⁇ s whereof the output is subtracted from the superheated steam pressure P.
  • the result of this subtraction passes via a transfer function R 2 (s) of the rejection chain of disturbing influence 302 whereof the output is subtracted from the reference pressure instruction P REF , as mentioned above aut.
  • FIG. 5 illustrates the possibility of executing adaptive regulation known to the expert within the scope of the first embodiment. It presents non-limiting a possible application of adaptive regulation to the regulating loop 200 of steam pressure P.
  • FIG. 5 shows adaptive regulation inputting variables of the system, possibly present in the regulating loop 200 of steam pressure P, such as fuel supply GC, opening of regulating valves SR, and steam pressure P.
  • P steam pressure
  • adaptive regulation can conduct online estimation of parameters of the regulating loop 200 of steam pressure P, for example those present in the transfer functions of the rejection chain of disturbing influence 202 , the determination chain of the control variable without disturbing influence 204 , and the modelling chain 206 of a transfer function H GC-P1 between the fuel supply GC and the contribution P1 at the steam pressure P of the fuel supply GC.
  • FIGS. 6A and 6B show a comparison between the responses from a coal-fired power station controlled by means of the control system according to the first embodiment of the invention and a control system as per regulators of type H ⁇ .
  • FIG. 6A presents the comparison of regulations according to the invention in solid lines and with the regulations of type H ⁇ in dashes in terms of produced electric power W and of steam pressure P, in response to echelons of instruction of electric power W.
  • the system according to the invention allows better follow-up of power W, especially faster, and limits oscillations.
  • the steam pressure P is better regulated to the extent where it oscillates less relative to an instruction of 155 bar.
  • FIG. 6B shows the comparison of regulations according to the invention en trait continu and with the regulations of type H ⁇ in dashes in terms of fuel supply GC and opening of the regulating valves SR in response to the same echelons of electric power as in FIG. 6A .
  • the system according to the invention allows notable reduction of oscillations in the fuel supply GC. This control quality reduces stresses on the assembly 102 comprising the boiler 103 and its auxiliaires and permits optimal exploitation of depollution elements. Regulation of the power station 100 by the system according to the invention is more dynamic and ensures lower stress on the boiler 103 .
  • the invention proposes a fossil fuel power station comprising
  • the third aspect of the invention relates to any execution of a control system according to the first aspect in a fossil fuel power station, and any control process of a fossil fuel power station executed by the control process according to the first aspect.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Feedback Control In General (AREA)
  • Control Of Steam Boilers And Waste-Gas Boilers (AREA)
  • Control Of Turbines (AREA)
US14/122,659 2011-05-26 2012-05-25 Systeme de commande pour regulation multivariable de centrale thermique a flamme Abandoned US20140217745A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1154589 2011-05-26
FR1154589A FR2975797B1 (fr) 2011-05-26 2011-05-26 Systeme de commande pour regulation multivariable de centrale thermique a flamme
PCT/EP2012/059898 WO2012160206A1 (fr) 2011-05-26 2012-05-25 Systeme de commande pour regulation multivariable de centrale thermique a flamme

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US (1) US20140217745A1 (fr)
EP (1) EP2715074B1 (fr)
JP (1) JP6037519B2 (fr)
KR (1) KR20140051179A (fr)
FR (1) FR2975797B1 (fr)
RU (1) RU2611113C2 (fr)
WO (1) WO2012160206A1 (fr)

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CN110957808A (zh) * 2019-10-21 2020-04-03 国网上海市电力公司 一种hsr测控系统双母电压交互网络连接架构

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