CN110266235A - A kind of jet dynamic control speed and pressure-regulating model - Google Patents
A kind of jet dynamic control speed and pressure-regulating model Download PDFInfo
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- CN110266235A CN110266235A CN201910509789.6A CN201910509789A CN110266235A CN 110266235 A CN110266235 A CN 110266235A CN 201910509789 A CN201910509789 A CN 201910509789A CN 110266235 A CN110266235 A CN 110266235A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
- H02P21/24—Vector control not involving the use of rotor position or rotor speed sensors
- H02P21/28—Stator flux based control
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/04—Control effected upon non-electric prime mover and dependent upon electric output value of the generator
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/14—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field
- H02P9/36—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field using armature-reaction-excited machines
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- Control Of Eletrric Generators (AREA)
Abstract
The present invention relates to a kind of jet dynamic control speed and pressure-regulating models, it is characterized in that, including single-rotor gas turbine module, excitation system module, main generator module, measuring device and controller, wherein, excitation system module includes main exciter, diode rectifier bridge, pilot exciter and thyristor rectifier bridge；Single-rotor gas turbine module output end is separately connected main exciter and main generator module, main exciter connects main generator module by diode rectifier bridge, single-rotor gas turbine module drives main exciter and main generator module to rotate coaxially for being worked according to required revolving speed, temperature and the operating condition of selection；The output voltage of main exciter by diode rectifier bridge becomes DC voltage and in this, as the excitation voltage of main generator module；Measuring device connects main generator module；Controller is separately connected measuring device and thyristor rectifier bridge, and thyristor rectifier bridge is also connected with pilot exciter, invention can be widely used in electric system simulation modeling field.
Description
Technical field
The present invention relates to a kind of jet dynamic control speed and pressure-regulating models, belong to electric system simulation modeling field.
Background technique
In recent years, with wind-power electricity generation, photovoltaic cell and gas turbine etc. for the distributed generation system of representative development
As hot spot concerned by people.Wherein, gas turbine generating system is that a kind of maturation, commercial application prospect the most are the most wide
Distributed generation system.Compared with conventional power generation unit, gas turbine has that service life length, high reliablity, fuel tolerance is good, ring
Border pollution is small and convenient for flexible the advantages that controlling, it is the best mode of distributed power generation, no matter in grid-connect mode or isolated island
It can be applicable under mode.
For the different operating condition of simulation Gas Generator Set, the concrete condition of unit each section in operation is understood, it is necessary to
Simulation modeling is carried out to unit.However, in traditional unit modeling, only consider to carry out certain a part of unit refinement modeling and
The operating condition of other parts is not considered, so that the combined operating situation of unit can not be simulated.In addition, in the prior art for encouraging
The modeling of magnetic part also seldom considers magnetic field saturation, degaussing, the influence of phase change voltage drop and rectification coefficient, therefore, the model of foundation
It is often inaccurate.
Summary of the invention
In view of the above-mentioned problems, the object of the present invention is to provide the progress of a kind of pair of gas turbine, excitation system and main generator
Refine the jet dynamic control speed and pressure-regulating model of modeling.
To achieve the above object, the present invention takes following technical scheme: a kind of jet dynamic control speed and pressure-regulating model,
It is characterized in that, including single-rotor gas turbine module, excitation system module, main generator module, measuring device and controller,
In, the excitation system module includes main exciter, diode rectifier bridge, pilot exciter and thyristor rectifier bridge；The single shaft
The output end of gas turbine module is separately connected the main exciter and main generator module, and the main exciter passes through described two
Pole pipe rectifier bridge connects the main generator module, the single-rotor gas turbine module be used for according to required revolving speed, temperature with
And the operating condition of selection works, and the main exciter and main generator module is driven to rotate coaxially, the main exciter
Output voltage by the diode rectifier bridge becomes DC voltage and in this, as the excitation voltage of the main generator module；
The measuring device connects the main generator module, for measuring the voltage signal and electric current letter of the main generator module
Number；The controller is separately connected the measuring device and thyristor rectifier bridge, and the thyristor rectifier bridge is also connected with the pair
Exciter, the controller are used for the voltage signal and current signal measured according to the measuring device, control the thyristor
Rectifier bridge is cut-off, and then controls the output voltage of the pilot exciter, which is the excitation electricity of the main exciter
Pressure.
Further, the single-rotor gas turbine module includes Operation Mode Selection unit, speed calculation unit, thermometer
Calculate unit, rotary speed controling unit, temperature control unit, combustion gas control unit, low value selector unit, clipping unit and uniaxial combustion
Gas-turbine；The Operation Mode Selection unit is used to select the operating condition of the single-rotor gas turbine work；The revolving speed calculates single
Member is for calculating the actual speed of the single-rotor gas turbine and the difference of rotational speed command value；The temperature calculation unit is based on
Calculate the actual temperature of the single-rotor gas turbine and the difference of temperature instruction value；The rotary speed controling unit is used for according to the master
The actual speed and electromagnetic power and actual speed of generator module and the difference of rotational speed command value, obtain the single shaft gas
The speed controling signal of turbine；The temperature control unit is used for actual temperature and practical temperature according to the main generator module
The difference of degree and temperature instruction value, obtains the temperature control signals of the single-rotor gas turbine；The low value selector unit is used
Speed controling signal and temperature control signals are selected in low value, obtains the control signal of the single-rotor gas turbine；The clipping
Unit is used to be arranged the limits value of gas quantity；The combustion gas control unit is used to use clipping and anti-saturation control algolithm, according to
The limits value of obtained control signal and gas quantity, controls combustion chamber in the single-rotor gas turbine and carries out under the operating condition of selection
Work, and then control the revolving speed of turbine in the single-rotor gas turbine.
Further, the operating condition and perseverance revolving speed of revolving speed are sacrificed when the operating condition of the single-rotor gas turbine work includes bringing onto load
The operating condition of operation.
Further, in the excitation system module, integral unit is equivalent to the main exciter, the first ratio list
Member is equivalent to the diode rectifier bridge, and the second proportional unit is equivalent to the pilot exciter, main generator output voltage control
Unit is equivalent to the thyristor rectifier bridge, and the excitation system module further includes that saturation coefficient calculates and feedback unit, commutation
Pressure-drop coefficient calculates and feed forward element, demagnetization coefficient calculating and feedback unit and rectification coefficient calculating and feed forward element；It is described
Integral unit is used for the excitation voltage E according to second proportional unitFEIt is influenced with brings such as saturation, degaussing, phase change voltage drops
VFE, the amplitude limit value of the main exciter is set, and according to the electromagnetic time constant T of the main excitereAnd amplitude limit value, added
The excitation voltage V being located on exciter windingE, to limit the output voltage of the main exciter；The saturation coefficient calculate and
Feedback unit is used to calculate saturation coefficient S according to unloaded air gap lineE；The phase change voltage drop coefficient calculates and feed forward element is used for
According to the resistance of the main exciter, negative sequence neactance and d-axis subtransient reactance, phase change voltage drop COEFFICIENT K is calculatedC；It is described to go magnetic system
Number calculates and feedback unit is used for according to unloaded air gap line and phase change voltage drop COEFFICIENT KC, calculate demagnetization coefficient KD；First ratio
Unit is used for according to saturation coefficient SE, phase change voltage drop COEFFICIENT KCWith demagnetization coefficient KD, it is saturated, degaussing, phase change voltage drop etc. are brought
Influence VFE；The rectification coefficient calculates and feed forward element is used for according to phase change voltage drop COEFFICIENT KC, judge exciting current per unit value
Range determine rectification coefficient F and according to the range of per unit valueEX；The main generator output voltage control unit is used for basis
Add the excitation voltage V on exciter windingEWith rectification coefficient FEX, obtain the output voltage E of the main exciterFD。
Further, the saturation coefficient SE, phase change voltage drop COEFFICIENT KC, demagnetization coefficient KDWith rectification coefficient FEXCalculating it is public
Formula are as follows:
Wherein, C1And C2For the undetermined coefficient determined by unloaded air gap line；EFDTo be determined by constant resistive conductor operating point
The main generator module excitation voltage；XCEFor the equivalent converting commutating current of the main exciter；X″dIt is super for exciter d-axis
Transient reactance；X2For the negative sequence neactance of the main exciter；UEFor be located at constant resistance line voltage EFDIt is corresponding empty in exciter
Carry the voltage value on voltage curve；SE0For the saturation coefficient of rated operation point；RFDbFor generator excitation winding resistance；INFor institute
State the output electric current of main exciter.
Further, the amplitude limit value of the main exciter isAnd VEmin, wherein VFEmaxTo be saturated, going
Magnetic and phase change voltage drop bring influence generated maximum value, IFDFor the exciting current for being input to the main generator module, KE
For reflecting the facilities of self-excited shunt field, VEminThe minimum value generated for excitation voltage.
Further, the main generator module includes main generator, electromagnetic conversion unit, power calculation unit, torque
Computing unit, coordinate system converting unit and per unit value converting unit；The electromagnetic conversion unit is used for according to the main exciter
Output voltage, establish the main field of the main exciter so that the main generator carry out electromagnetic conversion；The power calculation
Unit is used to calculate the electromagnetic power of the main generator, and is sent to the rotary speed controling unit；The torque-calculation unit
For the electric current and magnetic linkage value according to the main generator, the electromagnetic torque of the main generator is calculated；The coordinate system conversion
The voltage signal and current signal for the main generator that unit is used to measure the measuring device are by three static phase coordinates
Two phase coordinates of conversion extremely rotation；The per unit value converting unit is used to use " Xad" base value method, obtain the main generator
Simplify flux linkage equations and voltage equation expression formula.
Further, the simplified flux linkage equations and voltage equation are respectively as follows:
The equation of motion are as follows:
Wherein, ud、uqAnd ufRespectively the direct-axis component of stator winding voltage, the quadrature axis component of stator winding voltage and encourage
Magnetic winding voltage；r,rf、rDAnd rQRespectively stator resistance, excitation winding resistance, Damper Winding d-axis resistive component and damping around
Group quadrature axis resistive component；WithRespectively stator magnetic linkage direct-axis component, stator magnetic linkage quadrature axis component,
Excitation winding magnetic linkage, Damper Winding magnetic linkage direct-axis component and Damper Winding magnetic linkage quadrature axis component；xd、xq、xf、xD、xQ、xadAnd xaq
Respectively stator d-axis reactance, stator quadrature axis reactance, excitation winding reactance, Damper Winding d-axis reactance, Damper Winding quadrature axis electricity
The quadrature axis component of anti-, stator armature reaction reactance direct-axis component and stator armature reaction reactance；ωmFor mechanical angular speed；H is
Inertia constant；TmAnd TeRespectively machine torque and electromagnetic torque；δ is position angle.
Further, the output end with the main exciter and main generator module of the single-rotor gas turbine module pass through
Shaft connection.
The invention adopts the above technical scheme, which has the following advantages: 1, the present invention is respectively to gas turbine, excitation
System and main generator carry out refinement modeling, so that the situation of change of unit each section in operation can be in simulation result
It embodies.2, combination temperature and speed conditions carry out combustion gas in the true operating condition of single-rotor gas turbine module simulation in the present invention
Control, and in combustion gas control unit use clipping and anti-saturation control algolithm, single-rotor gas turbine module allow unit work
Work may make unit model to be applied to different scenes the case where bringing onto load sacrifices revolving speed or the case where permanent revolving speed is run.3, originally
The excitation system module of invention consider magnetic field saturation, degaussing, phase change voltage drop and rectification coefficient operating condition so that mould of the present invention
Type is close to practical operation situation.4, main generator module and excitation system module are all made of " x in the present inventionad" base value method, it is convenient for
Two intermodules are attached, and can be widely applied in electric system simulation modeling field.
Detailed description of the invention
Fig. 1 is the overall structure diagram of model of the present invention；
Fig. 2 is the structural schematic diagram of single-rotor gas turbine module in model of the present invention；
Fig. 3 is the simulation model schematic diagram of excitation system module in model of the present invention, whereinFor integral unit (equivalent generation
Main exciter is replaced).
Specific embodiment
Come to carry out detailed description to the present invention below in conjunction with attached drawing.It should be appreciated, however, that attached drawing has been provided only more
Understand the present invention well, they should not be interpreted as limitation of the present invention.In the description of the present invention, it is to be understood that,
Term " first ", " second " etc. are only used for the purpose of description, are not understood to indicate or imply relative importance.
The present invention provides one kind, and whole emulation can be carried out to gas turbine powered generating set, thus dry run
The Matlab/Simulink model of operating condition, which can emulate motor dynamic changing process in operation and to observe unit each
Partial operating condition.As shown in Figure 1 and Figure 2, jet dynamic control speed and pressure-regulating model provided by the invention includes single shaft gas
Turbine module 1, excitation system module 2, main generator module 3, measuring device 4 and controller 5, wherein excitation system module 2 is wrapped
Include main exciter 201, diode rectifier bridge 202, thyristor rectifier bridge 203 and pilot exciter 204.
The output end of single-rotor gas turbine module 1 is separately connected main exciter 201 and main generator module 3 by shaft 6,
Main exciter 201 connects main generator module 3 by diode rectifier bridge 202, and single-rotor gas turbine module 1 is used for according to needed for
Revolving speed, temperature and the operating condition of selection work, and main exciter 201 and main generator module 3 is driven to rotate, so that single
Axis gas turbine module 1, main exciter 21 and 3 three of main generator module rotate coaxially, and provide for entire model former dynamic
Power.The output voltage of main exciter 201 becomes DC voltage and in this, as main generator module by diode rectifier bridge 202
3 excitation voltage.
Measuring device 4 connects main generator module 3, for measuring the voltage signal and current signal of main generator module 3.
Controller 5 is separately connected measuring device 4 and thyristor rectifier bridge 203, and thyristor rectifier bridge 203 is also connected with secondary excitation
Machine 204, controller 5 are used for the voltage signal and current signal measured according to measuring device 4, control thyristor rectifier bridge 203
It cut-offs, and then controls the output voltage of pilot exciter 204, and using the output voltage as the excitation voltage of main exciter 201.
In a preferred embodiment, as shown in Fig. 2, single-rotor gas turbine module 1 include rotary speed controling unit 101,
Temperature control unit 102, low value selector unit 103, combustion gas control unit 104, Operation Mode Selection unit, revolving speed calculate single
Member, temperature calculation unit, clipping unit and single-rotor gas turbine, wherein single-rotor gas turbine includes combustion chamber 105, discharge chambe
106 and turbine 107.
Operation Mode Selection unit is used to select the operating condition of single-rotor gas turbine work, wherein operating condition according to running environment
The operating condition of revolving speed and the operating condition of permanent revolving speed operation are sacrificed when including bringing onto load.
Speed calculation unit is for calculating the actual speed of single-rotor gas turbine and the difference of rotational speed command value.
Temperature calculation unit is for calculating the actual temperature of single-rotor gas turbine and the difference of temperature instruction value.
Rotary speed controling unit 101 is used for actual speed and electromagnetic power and actual speed according to main generator module 3
With the difference of rotational speed command value, the speed controling signal of single-rotor gas turbine is obtained.
Temperature control unit 102 is used for the difference of temperature and actual temperature and temperature instruction value according to main generator module 3
Value, obtains the temperature control signals of single-rotor gas turbine.
Low value selector unit 103 obtains single shaft gas for low value selection speed controling signal and temperature control signals
The control signal of turbine, control signal are speed controling signal or temperature control signals.
Clipping unit is used to be arranged the limits value of gas quantity, to guarantee its usage amount as reasonable value.
Combustion gas control unit 104 is used to use clipping and anti-saturation control algolithm, according to obtained control signal, gas quantity
Limits value and discharge chambe 106 convey air, control combustion chamber 105 work under the operating condition of selection, and then control whirlpool
The revolving speed of wheel 107, wherein clipping and anti-saturation control algolithm are method disclosed in the prior art, are not repeated herein.
In a preferred embodiment, as shown in figure 3, in excitation system module 2, integral unit 205 is equivalent to
Main exciter 201, the first proportional unit 206 are equivalent to diode rectifier bridge 202, main generator output voltage control unit 207
It is equivalent to thyristor rectifier bridge 203, the second proportional unit 208 is equivalent to pilot exciter 204.In addition, excitation system module 2 is also wrapped
Saturation coefficient is included to calculate and feedback unit 209, the calculating of phase change voltage drop coefficient and feed forward element 210, demagnetization coefficient calculating and feedback
Unit 211 and rectification coefficient calculate and feed forward element 212.
Integral unit 205 is used for according to the pilot exciter 204 i.e. excitation voltage E of the second proportional unit 208FEBe saturated, go
The brings such as magnetic, phase change voltage drop influence VFE, the amplitude limit value of main exciter 201 is setAnd VEmin, and according to master
The electromagnetic time constant T of exciter 201eAnd amplitude limit valueVEmin, obtain adding encouraging on exciter winding
Magnetoelectricity presses VE, to limit the output voltage of main exciter 201, wherein VFEmaxFor the brings shadow such as saturation, degaussing and phase change voltage drop
Maximum value caused by ringing, IFDFor the exciting current for being input to main generator module 3, KEFor reflecting setting for self-excited shunt field
Set situation, VEminFor the issuable minimum value of excitation voltage, generally 0.
Saturation coefficient calculates and feedback unit 209 is used to calculate saturation coefficient S according to unloaded air gap lineE。
Phase change voltage drop coefficient calculates and feed forward element 210 is used for resistance, negative sequence neactance and d-axis according to main exciter 201
Subtransient reactance calculates phase change voltage drop COEFFICIENT KC。
Demagnetization coefficient calculates and feedback unit 211 is used for according to unloaded air gap line and phase change voltage drop COEFFICIENT KC, calculate degaussing
COEFFICIENT KD。
First proportional unit 206 is used for according to saturation coefficient SE, phase change voltage drop COEFFICIENT KCWith demagnetization coefficient KD, be saturated,
The brings such as degaussing, phase change voltage drop influence VFE。
Rectification coefficient calculates and feed forward element 212 is used for according to phase change voltage drop COEFFICIENT KC, judge exciting current per unit value
Range, and according to the range of per unit value, determine rectification coefficient FEX。
Main generator output voltage control unit 207 is used for basis and adds the excitation voltage V on exciter windingEWith it is whole
Flow coefficient FEX, obtain the output voltage of main exciter 201, i.e. the excitation voltage E of main generator module 3FD。
The calculation formula of above-mentioned each coefficient are as follows:
Wherein, C1And C2For the undetermined coefficient determined by unloaded air gap line；EFDTo be determined by constant resistive conductor operating point
Main generator module 3 excitation voltage；XCEFor the equivalent converting commutating current of main exciter 201；X″dFor the super transition of exciter d-axis
Reactance；X2For the negative sequence neactance of main exciter 201；UEFor be located at constant resistance line voltage EFDIt corresponds in exciter floating voltage
Voltage value on curve；SE0For the saturation coefficient of rated operation point；RFDbFor generator excitation winding resistance；INFor main exciter
201 output electric current.
In a preferred embodiment, main generator module 3 includes main generator, electromagnetic conversion unit, power calculation
Unit, torque-calculation unit, coordinate system converting unit and per unit value converting unit.
The main exciter 201 that electromagnetic conversion unit is used to be obtained according to main generator output voltage control unit 207 it is defeated
Voltage out establishes the main field of main exciter 201, and main generator is made to carry out electromagnetic conversion.
Power calculation unit is used to calculate the electromagnetic power of main generator, and is sent to rotary speed controling unit 101.
Torque-calculation unit is used for electric current and magnetic linkage value according to main generator, calculates the electromagnetic torque of main generator.
The voltage signal and current signal for the main generator that coordinate system converting unit is used to measure measuring device 4 are by static
Three phase coordinates convert to two phase coordinates of rotation.
Per unit value converting unit is used to use " xad " base value method, obtains simplification flux linkage equations and the voltage side of main generator
Journey expression formula:
The above-mentioned simplification flux linkage equations obtained using " xad " base value method and voltage equation are respectively as follows:
The equation of motion are as follows:
Wherein, ud、uqAnd ufRespectively the direct-axis component of stator winding voltage, the quadrature axis component of stator winding voltage and encourage
Magnetic winding voltage；r,rf、rDAnd rQRespectively stator resistance, excitation winding resistance, Damper Winding d-axis resistive component and damping around
Group quadrature axis resistive component；WithRespectively stator magnetic linkage direct-axis component, stator magnetic linkage quadrature axis component,
Excitation winding magnetic linkage, Damper Winding magnetic linkage direct-axis component and Damper Winding magnetic linkage quadrature axis component；xd、xq、xf、xD、xQ、xadAnd xaq
Respectively stator d-axis reactance, stator quadrature axis reactance, excitation winding reactance, Damper Winding d-axis reactance, Damper Winding quadrature axis electricity
The quadrature axis component of anti-, stator armature reaction reactance direct-axis component and stator armature reaction reactance；ωmFor mechanical angular speed；H is
Inertia constant；TmAnd TeRespectively machine torque and electromagnetic torque；δ is position angle.
The various embodiments described above are merely to illustrate the present invention, wherein the structure of each component, connection type and manufacture craft etc. are all
It can be varied, all equivalents and improvement carried out based on the technical solution of the present invention should not exclude
Except protection scope of the present invention.
Claims (9)
1. a kind of jet dynamic control speed and pressure-regulating model, which is characterized in that including single-rotor gas turbine module, excitation system mould
Block, main generator module, measuring device and controller, wherein the excitation system module includes main exciter, diode rectification
Bridge, pilot exciter and thyristor rectifier bridge；
The output end of the single-rotor gas turbine module is separately connected the main exciter and main generator module, the main excitation
Machine connects the main generator module by the diode rectifier bridge, and the single-rotor gas turbine module is used for according to required
Revolving speed, temperature and the operating condition of selection work, and the main exciter and main generator module is driven to rotate coaxially；
The measuring device connects the main generator module, for measuring the voltage signal and electric current of the main generator module
Signal；
The controller is separately connected the measuring device and thyristor rectifier bridge, and the thyristor rectifier bridge is also connected with the pair
Exciter, the controller are used for the voltage signal and current signal measured according to the measuring device, control the thyristor
Rectifier bridge is cut-off, and then controls the output voltage of the pilot exciter, which is the excitation electricity of the main exciter
Pressure.
2. a kind of jet dynamic control speed and pressure-regulating model as described in claim 1, which is characterized in that the single shaft gas wheel
Machine module includes Operation Mode Selection unit, speed calculation unit, temperature calculation unit, rotary speed controling unit, temperature control list
Member, combustion gas control unit, low value selector unit, clipping unit and single-rotor gas turbine；
The Operation Mode Selection unit is used to select the operating condition of the single-rotor gas turbine work；
The speed calculation unit is for calculating the actual speed of the single-rotor gas turbine and the difference of rotational speed command value；
The temperature calculation unit is for calculating the actual temperature of the single-rotor gas turbine and the difference of temperature instruction value；
The rotary speed controling unit is used for actual speed and electromagnetic power and actual speed according to the main generator module
With the difference of rotational speed command value, the speed controling signal of the single-rotor gas turbine is obtained；
The temperature control unit is used for actual temperature and actual temperature and temperature instruction value according to the main generator module
Difference, obtain the temperature control signals of the single-rotor gas turbine；
The low value selector unit obtains the single shaft gas for low value selection speed controling signal and temperature control signals
The control signal of turbine；
The clipping unit is used to be arranged the limits value of gas quantity；
The combustion gas control unit is used to use clipping and anti-saturation control algolithm, according to obtained control signal and gas quantity
Limits value controls combustion chamber in the single-rotor gas turbine and works under the operating condition of selection, and then controls the uniaxial combustion
The revolving speed of turbine in gas-turbine.
3. a kind of jet dynamic control speed and pressure-regulating model as claimed in claim 2, which is characterized in that the single shaft gas wheel
The operating condition of machine work sacrifices the operating condition of revolving speed and the operating condition of permanent revolving speed operation when including bringing onto load.
4. a kind of jet dynamic control speed and pressure-regulating model as described in claim 1, which is characterized in that in the excitation system
In module, integral unit is equivalent to the main exciter, the first proportional unit is equivalent to the diode rectifier bridge, the second ratio
Example unit is equivalent to the pilot exciter, and main generator output voltage control unit is equivalent to the thyristor rectifier bridge, described
Excitation system module further includes that saturation coefficient calculates and feedback unit, the calculating of phase change voltage drop coefficient and feed forward element, demagnetization coefficient
It calculates and feedback unit and rectification coefficient calculating and feed forward element；
The integral unit is used for the excitation voltage E according to second proportional unitFEWith the bands such as saturation, degaussing, phase change voltage drop
The influence V comeFE, the amplitude limit value of the main exciter is set, and according to the electromagnetic time constant T of the main excitereAnd clipping
Value, obtains adding the excitation voltage V on exciter windingE, to limit the output voltage of the main exciter；
The saturation coefficient calculates and feedback unit is used to calculate saturation coefficient S according to unloaded air gap lineE；
The phase change voltage drop coefficient calculates and feed forward element is used to be surpassed according to the resistance, negative sequence neactance and d-axis of the main exciter
Transient reactance calculates phase change voltage drop COEFFICIENT KC；
The demagnetization coefficient calculates and feedback unit is used for according to unloaded air gap line and phase change voltage drop COEFFICIENT KC, calculate demagnetization coefficient
KD；
First proportional unit is used for according to saturation coefficient SE, phase change voltage drop COEFFICIENT KCWith demagnetization coefficient KD, it is saturated, is gone
The brings such as magnetic, phase change voltage drop influence VFE；
The rectification coefficient calculates and feed forward element is used for according to phase change voltage drop COEFFICIENT KC, judge the range of exciting current per unit value,
And according to the range of per unit value, rectification coefficient F is determinedEX；
The main generator output voltage control unit is used for basis and adds the excitation voltage V on exciter windingEIt is with rectification
Number FEX, obtain the output voltage E of the main exciterFD。
5. a kind of jet dynamic control speed and pressure-regulating model as claimed in claim 4, which is characterized in that the saturation coefficient SE、
Phase change voltage drop COEFFICIENT KC, demagnetization coefficient KDWith rectification coefficient FEXCalculation formula are as follows:
Wherein, C1And C2For the undetermined coefficient determined by unloaded air gap line；EFDDescribed in being determined by constant resistive conductor operating point
The excitation voltage of main generator module；XCEFor the equivalent converting commutating current of the main exciter；X"dFor the super transient electrical of exciter d-axis
It is anti-；X2For the negative sequence neactance of the main exciter；UEFor be located at constant resistance line voltage EFDIt corresponds in exciter floating voltage
Voltage value on curve；SE0For the saturation coefficient of rated operation point；RFDbFor generator excitation winding resistance；INIt is encouraged for the master
The output electric current of magnetomechanical.
6. a kind of jet dynamic control speed and pressure-regulating model as claimed in claim 4, which is characterized in that the main exciter
Amplitude limit value isAnd VEmin, wherein VFEmaxIt is generated most for the influence of saturation, degaussing and phase change voltage drop bring
Big value, IFDFor the exciting current for being input to the main generator module, KEFor reflecting the facilities of self-excited shunt field,
VEminThe minimum value generated for excitation voltage.
7. a kind of jet dynamic control speed and pressure-regulating model as claimed in claim 2, which is characterized in that the main generator mould
Block includes main generator, electromagnetic conversion unit, power calculation unit, torque-calculation unit, coordinate system converting unit and per unit value
Converting unit；
The electromagnetic conversion unit is used for the output voltage according to the main exciter, establishes the main field of the main exciter,
So that the main generator carries out electromagnetic conversion；
The power calculation unit is used to calculate the electromagnetic power of the main generator, and is sent to the rotary speed controling unit；
The torque-calculation unit is used for electric current and magnetic linkage value according to the main generator, calculates the electromagnetism of the main generator
Torque；
Voltage signal and the electric current letter for the main generator that the coordinate system converting unit is used to measure the measuring device
It number is converted by three static phase coordinates to two phase coordinates of rotation；
The per unit value converting unit is used to use " xad" base value method, obtain the simplification flux linkage equations and voltage of the main generator
Equation expression formula.
8. a kind of jet dynamic control speed and pressure-regulating model as claimed in claim 7, which is characterized in that the simplified magnetic linkage side
Journey and voltage equation are respectively as follows:
The equation of motion are as follows:
Wherein, ud、uqAnd ufRespectively the direct-axis component of stator winding voltage, the quadrature axis component of stator winding voltage and excitation around
Group voltage；r,rf、rDAnd rQRespectively stator resistance, excitation winding resistance, Damper Winding d-axis resistive component and Damper Winding are handed over
Axis resistive component；WithRespectively stator magnetic linkage direct-axis component, stator magnetic linkage quadrature axis component, excitation
Winding magnetic linkage, Damper Winding magnetic linkage direct-axis component and Damper Winding magnetic linkage quadrature axis component；xd、xq、xf、xD、xQ、xadAnd xaqRespectively
For stator d-axis reactance, stator quadrature axis reactance, excitation winding reactance, Damper Winding d-axis reactance, Damper Winding quadrature axis reactance, determine
The quadrature axis component of direct-axis component and stator armature the reaction reactance of the sub- reactance of armature reaction；ωmFor mechanical angular speed；H is inertia
Constant；TmAnd TeRespectively machine torque and electromagnetic torque；δ is position angle.
9. a kind of jet dynamic control speed and pressure-regulating model as claimed in any one of claims 1 to 8, which is characterized in that described
The output end of single-rotor gas turbine module is connect with the main exciter and main generator module by shaft.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202015003078U1 (en) * | 2015-04-29 | 2016-08-01 | Wärtsilä SAM Electronics GmbH | Device for using the exhaust heat of a marine propulsion system |
| JP2018121416A (en) * | 2017-01-24 | 2018-08-02 | 三菱電機株式会社 | Brushless excitation device and generating system using the same |
| CN108847796A (en) * | 2018-05-31 | 2018-11-20 | 南京航空航天大学 | Three-level formula brushless synchronous machine reluctance type method for starting-controlling and system |
| CN108964532A (en) * | 2018-05-31 | 2018-12-07 | 南京航空航天大学 | Three-level formula brushless synchronous machine sublevel segmentation start control system and method |
-
2019
- 2019-06-13 CN CN201910509789.6A patent/CN110266235A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202015003078U1 (en) * | 2015-04-29 | 2016-08-01 | Wärtsilä SAM Electronics GmbH | Device for using the exhaust heat of a marine propulsion system |
| JP2018121416A (en) * | 2017-01-24 | 2018-08-02 | 三菱電機株式会社 | Brushless excitation device and generating system using the same |
| CN108847796A (en) * | 2018-05-31 | 2018-11-20 | 南京航空航天大学 | Three-level formula brushless synchronous machine reluctance type method for starting-controlling and system |
| CN108964532A (en) * | 2018-05-31 | 2018-12-07 | 南京航空航天大学 | Three-level formula brushless synchronous machine sublevel segmentation start control system and method |
Non-Patent Citations (3)
| Title |
|---|
| 于佰建: "燃气轮发电机励磁及调速系统参数辨识的研究", 《中国优秀硕士学位论文全文数据库-工程科技Ⅱ辑》 * |
| 侯亚敏: "无刷励磁同步发电机励磁控制系统的研究", 《中国优秀硕士学位论文全文数据库-工程科技Ⅱ辑》 * |
| 汪盛波: "发电机励磁系统精确建模与参数辨识研究", 《中国优秀硕士学位论文全文数据库-工程科技Ⅱ辑》 * |
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