CN108390411A - A kind of Inertia Matching method and device based on virtual synchronous machine energy storage threshold values - Google Patents
A kind of Inertia Matching method and device based on virtual synchronous machine energy storage threshold values Download PDFInfo
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- CN108390411A CN108390411A CN201810236185.4A CN201810236185A CN108390411A CN 108390411 A CN108390411 A CN 108390411A CN 201810236185 A CN201810236185 A CN 201810236185A CN 108390411 A CN108390411 A CN 108390411A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
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Abstract
The present invention provides a kind of Inertia Matching method and devices based on virtual synchronous machine energy storage threshold values, according to the variation of virtual synchronous machine steady-state operation point and energy storage device state, real-time online matching virtual inertia, so that virtual synchronous machine provides maximum inertia for system, preferably keep the stability of system, solve traditional preset parameter virtual synchronous machine control be possible to cannot achieve specified inertia under the threshold values of energy storage, to cannot achieve for microgrid virtual synchronous machine configure maximum inertia the technical issues of.
Description
Technical field
The present invention relates to virtual synchronous machine field more particularly to a kind of Inertia Matchings based on virtual synchronous machine energy storage threshold values
Method and device.
Background technology
In recent years, including the micro-capacitance sensor of numerous distributed generation resources just becomes the hot spot studied both at home and abroad.Point in micro-capacitance sensor
Cloth power supply mainly has wind-powered electricity generation, photovoltaic, miniature gas turbine, diesel engine etc., wherein most distributed generation resource to pass through inversion
Device accesses micro-capacitance sensor, and the virtual synchronous machine equipped with energy storage device has become the core component of micro-capacitance sensor reliability service.As one kind
New microgrid inverter control program, virtual synchronous generator control strategy are increasingly paid close attention to by scholar.However tradition is solid
The virtual synchronous machine control for determining parameter is possible to cannot achieve specified inertia under the threshold values of energy storage, is micro- to cannot achieve
The virtual synchronous machine of net configures the technical issues of maximum inertia.
Invention content
The present invention provides a kind of Inertia Matching method and devices based on virtual synchronous machine energy storage threshold values, are passed for solving
The virtual synchronous machine control of system preset parameter is possible to cannot achieve specified inertia under the threshold values of energy storage, to cannot achieve
The technical issues of maximum inertia being configured for the virtual synchronous machine of microgrid.
The present invention provides a kind of Inertia Matching methods based on virtual synchronous machine energy storage threshold values, including：
S1：Obtain the output power of energy storage device of virtual synchronous machine, the energy storage device of virtual synchronous machine state-of-charge,
The reactive power that the active power and virtual synchronous machine that virtual synchronous machine exports in the steady state export in the steady state；
S2：According to the output power of the energy storage device of virtual synchronous machine, the energy storage device of virtual synchronous machine state-of-charge,
The reactive power and power-energy that active power that virtual synchronous machine exports in the steady state, virtual synchronous machine export in the steady state
Amount constraint variation relation figure, to the first inertia constant, the second inertia constant and third inertia constant and the first damping factor, the
Two damping factors and third damping factor are initialized；
S3：According to the reactive power that VSM under the first inertia constant, the first damping factor and stable state is exported, with the first inertia
Constant is independent variable, by cycle calculations, obtains the first power headroom of energy storage device, if the first power headroom of energy storage device
The absolute value of value and the maximum power surplus of energy storage device meets the first prerequisite, and the first current inertia constant is assigned to
First factor of inertia；
According to the reactive power that VSM under the second inertia constant, the second damping factor and stable state is exported, with the second inertia constant
Obtain the second power headroom of energy storage device by cycle calculations for independent variable, if the second power headroom value of energy storage device and
The absolute value of the maximum power surplus of energy storage device meets the second prerequisite, and the second current inertia constant is assigned to second
Factor of inertia；
According to the reactive power that VSM under third inertia constant, third damping factor and stable state is exported, with third inertia constant
The first energy balance of energy storage device is obtained by cycle calculations for independent variable, if energy value and the energy storage device of energy storage device
Ceiling capacity surplus absolute value meet the second prerequisite, current third inertia constant is assigned to third inertia system
Number；
S4：By being compared to the first factor of inertia, the second factor of inertia and third factor of inertia, optimal inertia is obtained
Coefficient.
Preferably, the step S2 is specifically included energy storage device energy storage device energy storage device energy storage device：
S21：According to the difference of energy storage device output power and energy storage device general power, energy storage device power headroom is obtained；
S22：According under energy storage device power headroom, the state-of-charge of energy storage device, stable state VSM export active power,
The reactive power that VSM is exported under stable state establishes Inertia Matching constraint inequality；
S23：Constrain inequality and power-energy constraint variation relation figure according to Inertia Matching, to the first inertia constant,
Second inertia constant and third inertia constant and the first damping factor, the second damping factor and third damping factor carry out initial
Change.
Preferably, the Inertia Matching constraint inequality is specially energy storage device energy storage device：
Wherein, H represents inertia constant, and D represents damping factor, f (H, D, Qref) it is to judge overdamped constraints, Δ
Pe.max(H,D,Qref)≤ΔPmaxFor the constraints that power constraint meets, Δ E (H, D, Qref)≤ΔEmaxIt is needed for energy constraint
The constraints of satisfaction.
Preferably, the step S3 is specifically included：
S31：According to the reactive power that VSM under the first inertia constant, the first damping factor and stable state is exported, with the first inertia
Constant is independent variable, and the reactive power exported using VSM under the first damping factor and stable state is constant, by cycle calculations, according to
Preset the first inertia constant of stepping step value pair carries out cycle and successively decreases, and calculates the first power headroom of energy storage device, works as storage
The absolute value of first power headroom value of energy device and the maximum power surplus of energy storage device meets the first prerequisite or completion
When preset cycle-index, then end loop calculates, and the first current inertia constant is assigned to the first factor of inertia；
S32：According to the reactive power that VSM under the second inertia constant, the second damping factor and stable state is exported, with the second inertia
Constant is independent variable, and the reactive power exported using VSM under the second damping factor and stable state is constant, by cycle calculations, according to
Preset the second inertia constant of stepping step value pair carries out cycle and successively decreases, and calculates the second power headroom of energy storage device, works as storage
The absolute value of second power headroom value of energy device and the maximum power surplus of energy storage device meets the second prerequisite or completion
When preset cycle-index, then end loop calculates, and the second current inertia constant is assigned to the second factor of inertia；
S33：According to the reactive power that VSM under third inertia constant, third damping factor and stable state is exported, with third inertia
Constant is independent variable, and the reactive power exported using VSM under third damping factor and stable state is constant, by cycle calculations, according to
Preset stepping step value, which to third inertia constant recycle, to be incremented by, and calculates the first energy balance of energy storage device, works as storage
The absolute value of first energy balance value of energy device and the ceiling capacity surplus of energy storage device meets third prerequisite or completion
When preset cycle-index, then end loop calculates, and current third inertia constant is assigned to third factor of inertia.
Preferably, the step S4 is specifically included：
If the first factor of inertia is more than third factor of inertia and the second factor of inertia is more than third factor of inertia, by first
Factor of inertia is assigned to maximum factor of inertia, if it is not, third factor of inertia is then assigned to maximum factor of inertia.
The present invention provides a kind of Inertia Matching devices based on virtual synchronous machine energy storage threshold values, including：
Parameter acquiring unit, the energy storage of the output power, virtual synchronous machine of the energy storage device for obtaining virtual synchronous machine
The active power and virtual synchronous machine that state-of-charge, the virtual synchronous machine of device export in the steady state export idle in the steady state
Power energy storage device energy storage device；
Parameter initialization unit is used for the storage of the output power, virtual synchronous machine of the energy storage device according to virtual synchronous machine
It can the nothing that exports in the steady state of the active power that exports in the steady state of state-of-charge, virtual synchronous machine of device, virtual synchronous machine
Work(power and power-energy constraint variation relation figure, to the first inertia constant, the second inertia constant and third inertia constant with
And first damping factor, the second damping factor and third damping factor are initialized；
First inertia calculation unit, the nothing for being exported according to VSM under the first inertia constant, the first damping factor and stable state
Work(power, by cycle calculations, obtains the first power headroom of energy storage device, if energy storage using the first inertia constant as independent variable
The absolute value of first power headroom value of device and the maximum power surplus of energy storage device meets the first prerequisite, will be current
First inertia constant is assigned to the first factor of inertia；
Second inertia calculation unit, the nothing for being exported according to VSM under the second inertia constant, the second damping factor and stable state
Work(power, by cycle calculations, obtains the second power headroom of energy storage device, if energy storage using the second inertia constant as independent variable
The absolute value of second power headroom value of device and the maximum power surplus of energy storage device meets the second prerequisite, will be current
Second inertia constant is assigned to the second factor of inertia；
Third inertia calculation unit, the nothing for being exported according to VSM under third inertia constant, third damping factor and stable state
Work(power, by cycle calculations, obtains the first energy balance of energy storage device, if energy storage using third inertia constant as independent variable
The absolute value of the energy value of device and the ceiling capacity surplus of energy storage device meets the second prerequisite, by current third inertia
Constant is assigned to third factor of inertia；
Inertia Matching unit, for by comparing the first factor of inertia, the second factor of inertia and third factor of inertia
Compared with obtaining optimal factor of inertia.
Preferably, the inertia constraint element specifically includes：
Power headroom computation subunit is obtained for the difference according to energy storage device output power and energy storage device general power
Energy storage device power headroom；
Inertia constrains subelement, the output power of the energy storage device for virtual synchronous machine, the energy storage dress of virtual synchronous machine
The idle work(that the active power and virtual synchronous machine that state-of-charge, the virtual synchronous machine set export in the steady state export in the steady state
Rate establishes Inertia Matching constraint inequality；
Parameter initialization subelement, for constraining inequality and power-energy constraint variation relation according to Inertia Matching
Figure, to the first inertia constant, the second inertia constant and third inertia constant and the first damping factor, the second damping factor and the
Three damping factors are initialized.
Preferably, the Inertia Matching constraint inequality is specially：
Wherein, H represents inertia constant, and D represents damping factor, f (H, D, Qref) it is to judge overdamped constraints, Δ
Pe.max(H,D,Qref)≤ΔPmaxFor the constraints that power constraint meets, Δ E (H, D, Qref)≤ΔEmaxIt is needed for energy constraint
The constraints of satisfaction.
Preferably, the Inertia Matching unit specifically includes：
First inertia calculation unit is specifically used for, and is exported according to VSM under the first inertia constant, the first damping factor and stable state
Reactive power, using the first inertia constant as independent variable, under the first damping factor and stable state VSM export reactive power be normal
Amount carries out cycle according to preset the first inertia constant of stepping step value pair and successively decreases, and calculate energy storage device by cycle calculations
The first power headroom, when the first power headroom value and energy storage device of energy storage device maximum power surplus absolute value meet
First prerequisite or when completing preset cycle-index, then end loop calculates, and by the first current inertia constant assignment
To the first factor of inertia；
Second inertia calculation unit is specifically used for, and is exported according to VSM under the second inertia constant, the second damping factor and stable state
Reactive power, using the second inertia constant as independent variable, under the second damping factor and stable state VSM export reactive power be normal
Amount carries out cycle according to preset the second inertia constant of stepping step value pair and successively decreases, and calculate energy storage device by cycle calculations
The second power headroom, when the second power headroom value and energy storage device of energy storage device maximum power surplus absolute value meet
Second prerequisite or when completing preset cycle-index, then end loop calculates, and by the second current inertia constant assignment
To the second factor of inertia；
Third inertia calculation unit is specifically used for, and is exported according to VSM under third inertia constant, third damping factor and stable state
Reactive power, using third inertia constant as independent variable, under third damping factor and stable state VSM export reactive power be normal
Amount to third inertia constant recycle incrementally, and calculate energy storage device by cycle calculations according to preset stepping step value
The first energy balance, when the first energy balance value and energy storage device of energy storage device ceiling capacity surplus absolute value meet
Third prerequisite or when completing preset cycle-index, then end loop calculates, and by current third inertia constant assignment
Give third factor of inertia.
Preferably, the Inertia Matching unit is specifically used for：
If the first factor of inertia is more than third factor of inertia and the second factor of inertia is more than third factor of inertia, by first
Factor of inertia is assigned to maximum factor of inertia, if it is not, third factor of inertia is then assigned to maximum factor of inertia.
As can be seen from the above technical solutions, the present invention has the following advantages：
The present invention provides a kind of Inertia Matching methods based on virtual synchronous machine energy storage threshold values, including：S1：It obtains virtual
The output power of the energy storage device of synchronous machine, the state-of-charge of the energy storage device of virtual synchronous machine, virtual synchronous machine are in the steady state
The reactive power that the active power and virtual synchronous machine of output export in the steady state；S2：According to the energy storage device of virtual synchronous machine
Output power, virtual synchronous machine energy storage device state-of-charge, virtual synchronous the machine active power, the void that export in the steady state
Reactive power and power-energy constraint variation relation figure that quasi- synchronous machine exports in the steady state, to the first inertia constant, second
Inertia constant and third inertia constant and the first damping factor, the second damping factor and third damping factor are initialized；
S3：It is certainly with the first inertia constant according to the reactive power that VSM under the first inertia constant, the first damping factor and stable state is exported
Variable obtains the first power headroom of energy storage device by cycle calculations, if the first power headroom value of energy storage device and energy storage
The absolute value of the maximum power surplus of device meets the first prerequisite, and the first current inertia constant is assigned to the first inertia
Coefficient；According to the reactive power that VSM under the second inertia constant, the second damping factor and stable state is exported, it is with the second inertia constant
Independent variable obtains the second power headroom of energy storage device by cycle calculations, if the second power headroom value of energy storage device and storage
The absolute value of the maximum power surplus of energy device meets the second prerequisite, and the second current inertia constant is assigned to second and is used to
Coefficient of discharge；According to the reactive power that VSM under third inertia constant, third damping factor and stable state is exported, with third inertia constant
The first energy balance of energy storage device is obtained by cycle calculations for independent variable, if energy value and the energy storage device of energy storage device
Ceiling capacity surplus absolute value meet the second prerequisite, current third inertia constant is assigned to third inertia system
Number；S4：By being compared to the first factor of inertia, the second factor of inertia and third factor of inertia, optimal factor of inertia is obtained.
For the present invention according to the variation of virtual synchronous machine steady-state operation point and energy storage device state, real-time online matching virtual is used
Amount so that virtual synchronous machine provides maximum inertia for system, preferably keeps the stability of system, solves traditional preset parameter
Virtual synchronous machine control be possible to cannot achieve specified inertia under the threshold values of energy storage, to cannot achieve the void for microgrid
The technical issues of quasi- synchronous machine configures maximum inertia.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without having to pay creative labor, may be used also for those of ordinary skill in the art
To obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of one embodiment of the Inertia Matching method based on virtual synchronous machine energy storage threshold values provided by the invention
Flow diagram；
Fig. 2 is a kind of another implementation of Inertia Matching method based on virtual synchronous machine energy storage threshold values provided by the invention
The flow diagram of example；
Fig. 3 is a kind of one embodiment of the Inertia Matching device based on virtual synchronous machine energy storage threshold values provided by the invention
Structural schematic diagram；
Fig. 4 is power-energy in a kind of Inertia Matching method based on virtual synchronous machine energy storage threshold values provided by the invention
Amount constraint variation relation figure.
Specific implementation mode
An embodiment of the present invention provides a kind of Inertia Matching method and devices based on virtual synchronous machine energy storage threshold values, are used for
The virtual synchronous machine control of traditional preset parameter is possible to cannot achieve specified inertia under the threshold values of energy storage, thus can not be real
It is now the technical issues of virtual synchronous machine of microgrid configures maximum inertia.
In order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, below in conjunction with the present invention
Attached drawing in embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that disclosed below
Embodiment be only a part of the embodiment of the present invention, and not all embodiment.Based on the embodiments of the present invention, this field
All other embodiment that those of ordinary skill is obtained without making creative work, belongs to protection of the present invention
Range.
An embodiment of the present invention provides a kind of Inertia Matching methods based on virtual synchronous machine energy storage threshold values, including：
101：Obtain the charged shape of the output power of the energy storage device of virtual synchronous machine, the energy storage device of virtual synchronous machine
The reactive power that the active power and virtual synchronous machine that state, virtual synchronous machine export in the steady state export in the steady state；
It should be noted that the energy storage surplus packet of virtual synchronous machine includes two indexs, respectively power headroom and energy
Surplus.
102：According to the output power of the energy storage device of virtual synchronous machine, the charged shape of the energy storage device of virtual synchronous machine
The reactive power and power-that active power that state, virtual synchronous machine export in the steady state, virtual synchronous machine export in the steady state
Energy constraint variation relation figure, to the first inertia constant, the second inertia constant and third inertia constant and the first damping factor,
Second damping factor and third damping factor are initialized；
Wherein, the initial value of the first inertia constant is 1, and the initial value of the second inertia constant is 1, at the beginning of third inertia constant
Initial value is 0, and the initial value of the first damping factor is that the initial value of the 100, second damping factor is 54, third damping factor it is initial
Value is 54；
It should be noted that when the operating status of virtual synchronous machine i.e. its output reactive power changes, virtual synchronous machine
The value range of parameter changes under energy storage power threshold；When the energy-storage units power headroom and energy balance of virtual synchronous machine
When variation, the value range of parameter also changes under the constraint of virtual synchronous acc power and energy constraint.
103：According to the reactive power that VSM under the first inertia constant, the first damping factor and stable state is exported, with the first inertia
Constant is independent variable, by cycle calculations, obtains the power headroom of energy storage device, if the first power headroom value of energy storage device
Meet the first prerequisite with the absolute value of the maximum power surplus of energy storage device, the first current inertia constant is assigned to the
One factor of inertia；
104：According to the reactive power that VSM under the second inertia constant, the second damping factor and stable state is exported, with the second inertia
Constant is independent variable, by cycle calculations, obtains the second power headroom of energy storage device, if the second power headroom of energy storage device
The absolute value of value and the maximum power surplus of energy storage device meets the second prerequisite, and the second current inertia constant is assigned to
Second factor of inertia；
105：According to the reactive power that VSM under third inertia constant, third damping factor and stable state is exported, with third inertia
Constant is independent variable, by cycle calculations, obtains the first energy balance of energy storage device, if the energy value and energy storage of energy storage device
The absolute value of the ceiling capacity surplus of device meets the second prerequisite, and current third inertia constant is assigned to third inertia
Coefficient；
106：By being compared to the first factor of inertia, the second factor of inertia and third factor of inertia, obtain optimal used
Coefficient of discharge.
The embodiment of the present invention is according to the variation of virtual synchronous machine steady-state operation point and energy storage device state, real-time online matching
Virtual inertia so that virtual synchronous machine provides maximum inertia for system, preferably keeps the stability of system, and it is solid to solve tradition
The virtual synchronous machine control for determining parameter is possible to cannot achieve specified inertia under the threshold values of energy storage, is micro- to cannot achieve
The virtual synchronous machine of net configures the technical issues of maximum inertia.
It is an a kind of implementation of Inertia Matching method based on virtual synchronous machine energy storage threshold values provided by the invention above
Example is discussed in detail, and is below a kind of the another of the Inertia Matching method based on virtual synchronous machine energy storage threshold values provided by the invention
A embodiment is discussed in detail.
Fig. 2 and Fig. 4 are please referred to, an embodiment of the present invention provides a kind of Inertia Matchings based on virtual synchronous machine energy storage threshold values
Method, including：
201：Obtain the charged shape of the output power of the energy storage device of virtual synchronous machine, the energy storage device of virtual synchronous machine
The reactive power that the active power and virtual synchronous machine that state, virtual synchronous machine export in the steady state export in the steady state；
202：According to the difference of energy storage device output power and energy storage device general power, energy storage device power headroom is obtained；
203：According to the output power of the energy storage device of virtual synchronous machine, the charged shape of the energy storage device of virtual synchronous machine
The reactive power that the active power and virtual synchronous machine that state, virtual synchronous machine export in the steady state export in the steady state is established used
Flux matched constraint inequality；
It should be noted that Inertia Matching constraint inequality is specially：
Wherein, H represents inertia constant, and D represents damping factor, f (H, D, Qref) it is to judge overdamped constraints, Δ
Pe.max(H,D,Qref)≤ΔPmaxFor the constraints that power constraint meets, Δ E (H, D, Qref)≤ΔEmaxIt is needed for energy constraint
The constraints of satisfaction.
204：Constrain inequality and power-energy constraint variation relation figure according to Inertia Matching, to the first inertia constant,
Second inertia constant and third inertia constant and the first damping factor, the second damping factor and third damping factor carry out initial
Change；
205：According to the reactive power that VSM under the first inertia constant, the first damping factor and stable state is exported, with the first inertia
Constant is independent variable, and the reactive power exported using VSM under the first damping factor and stable state is constant, by cycle calculations, according to
Preset the first inertia constant of stepping step value pair carries out cycle and successively decreases, and calculates the first power headroom of energy storage device, works as storage
The absolute value of first power headroom value of energy device and the maximum power surplus of energy storage device meets the first prerequisite or completion
When preset cycle-index, then end loop calculates, and the first current inertia constant is assigned to the first factor of inertia；
Wherein, the initial value of the first inertia constant is 1, and the initial value of the first damping factor is 100, preset stepping step-length
Value is 0.01, according to the calculation formula of power headroom, the first power headroom of cycle calculations energy storage device, every time after the completion of cycle
The numerical value of first inertia constant reduces 0.01, when the first power headroom value and energy storage device of the energy storage device that single calculation obtains
Maximum power surplus theoretical value absolute value be less than 0.1 or first inertia constant numerical value be 0 when, then exit cycle, and
The numerical value of the first current inertia constant is assigned to the first factor of inertia.
206：According to the reactive power that VSM under the second inertia constant, the second damping factor and stable state is exported, with the second inertia
Constant is independent variable, and the reactive power exported using VSM under the second damping factor and stable state is constant, by cycle calculations, according to
Preset the second inertia constant of stepping step value pair carries out cycle and successively decreases, and calculates the second power headroom of energy storage device, works as storage
The absolute value of second power headroom value of energy device and the maximum power surplus of energy storage device meets the second prerequisite or completion
When preset cycle-index, then end loop calculates, and the second current inertia constant is assigned to the second factor of inertia；
Wherein, the initial value of the second inertia constant is 1, and the initial value of the second damping factor is 54, preset stepping step-length
Value is 0.01, according to the calculation formula of power headroom, the second power headroom of cycle calculations energy storage device, every time after the completion of cycle
The numerical value of second inertia constant reduces 0.01, when the second power headroom value and energy storage device of the energy storage device that single calculation obtains
Maximum power surplus theoretical value absolute value be less than 0.1 or second inertia constant numerical value be 0 when, then exit cycle, and
The numerical value of the second current inertia constant is assigned to the second factor of inertia.
207：According to the reactive power that VSM under third inertia constant, third damping factor and stable state is exported, with third inertia
Constant is independent variable, and the reactive power exported using VSM under third damping factor and stable state is constant, by cycle calculations, according to
Preset stepping step value, which to third inertia constant recycle, to be incremented by, and calculates the first energy balance of energy storage device, works as storage
The absolute value of first energy balance value of energy device and the ceiling capacity surplus of energy storage device meets third prerequisite or completion
When preset cycle-index, then end loop calculates, and current third inertia constant is assigned to third factor of inertia；
Wherein, the initial value of third inertia constant is 0, and the initial value of third damping factor is 54, preset stepping step-length
Value is 0.01, according to the calculation formula of energy balance, the first energy balance of cycle calculations energy storage device, every time after the completion of cycle
The numerical value of third inertia constant reduces 0.01, when the first energy balance value and energy storage device of the energy storage device that single calculation obtains
Ceiling capacity surplus theoretical value absolute value be less than 0.1 or third inertia constant numerical value be 1 when, then exit cycle, and
The numerical value of current third inertia constant is assigned to third factor of inertia.
208：By being compared to the first factor of inertia, the second factor of inertia and third factor of inertia, if the first inertia
Coefficient is more than third factor of inertia and the second factor of inertia is more than third factor of inertia, then the first factor of inertia is assigned to maximum
Factor of inertia, if it is not, third factor of inertia is then assigned to maximum factor of inertia.
It should be noted that the parameter chosen area of inertia and damping is can get by inequality constraints, by taking overdamp as an example.
As shown in figure 4, darker regions are the value range of parameter under overdamp energy storage power constraint, according to power-energy as shown in Figure 4
Amount constraint variation relation figure, the third inertia constant H3 corresponding to the energy constraint in figure, the corresponding to power constraint
One inertia constant H1, the first inertia constant H2, the possibility occurred in virtual synchronous machine actual motion can be divided into following 3 kinds of feelings
Condition：
(1) relative position of energy constraint and power constraint is H3, then H1<H3,H2<H3；
(2) relative position of energy constraint and power constraint is H2, then H1>H3,H2<H3；
(3) relative position of energy constraint and power constraint is H1, then H1>H3,H2>H3；
To obtain virtual synchronous machine maximum inertia under energy storage power and energy constraint at a certain moment, H in the case of (1) kind
The desirable H3 of maximum；H maximums can use H3 in the case of (2) kind；H maximums can use H1 in the case of (3) kind.To sum up, energy storage power and
Under energy constraint, the maximum value of inertia can take H1, H3 respectively at different conditions.
The embodiment of the present invention is according to the variation of virtual synchronous machine steady-state operation point and energy storage device state, real-time online matching
Virtual inertia so that virtual synchronous machine provides maximum inertia for system, preferably keeps the stability of system, and it is solid to solve tradition
The virtual synchronous machine control for determining parameter is possible to cannot achieve specified inertia under the threshold values of energy storage, is micro- to cannot achieve
The virtual synchronous machine of net configures the technical issues of maximum inertia.
It is a kind of another reality of the Inertia Matching method based on virtual synchronous machine energy storage threshold values provided by the invention above
The detailed description of example is applied, is below the one of a kind of Inertia Matching device based on virtual synchronous machine energy storage threshold values provided by the invention
The description of a embodiment.
Referring to Fig. 3, an embodiment of the present invention provides a kind of Inertia Matching device based on virtual synchronous machine energy storage threshold values,
Including：
Parameter acquiring unit 301, the storage of the output power, virtual synchronous machine of the energy storage device for obtaining virtual synchronous machine
The nothing that the active power and virtual synchronous machine that state-of-charge, the virtual synchronous machine of energy device export in the steady state export in the steady state
Work(power energy storage device energy storage device；
Parameter initialization unit 302, for according to the output power of the energy storage device of virtual synchronous machine, virtual synchronous machine
Active power that state-of-charge, the virtual synchronous machine of energy storage device export in the steady state, virtual synchronous machine export in the steady state
Reactive power and power-energy constraint variation relation figure, to the first inertia constant, the second inertia constant and third inertia constant
And first damping factor, the second damping factor and third damping factor are initialized；
First inertia calculation unit 303, for being exported according to VSM under the first inertia constant, the first damping factor and stable state
Reactive power, by cycle calculations, obtain the first power headroom of energy storage device using the first inertia constant as independent variable, if
The absolute value of first power headroom value of energy storage device and the maximum power surplus of energy storage device meets the first prerequisite, will work as
The first preceding inertia constant is assigned to the first factor of inertia；
Second inertia calculation unit 304, for being exported according to VSM under the second inertia constant, the second damping factor and stable state
Reactive power, by cycle calculations, obtain the second power headroom of energy storage device using the second inertia constant as independent variable, if
The absolute value of second power headroom value of energy storage device and the maximum power surplus of energy storage device meets the second prerequisite, will work as
The second preceding inertia constant is assigned to the second factor of inertia；
Third inertia calculation unit 305, for being exported according to VSM under third inertia constant, third damping factor and stable state
Reactive power, by cycle calculations, obtain the first energy balance of energy storage device using third inertia constant as independent variable, if
The absolute value of the energy value of energy storage device and the ceiling capacity surplus of energy storage device meets the second prerequisite, by current third
Inertia constant is assigned to third factor of inertia；
Inertia Matching unit 306, for by being carried out to the first factor of inertia, the second factor of inertia and third factor of inertia
Compare, obtains optimal factor of inertia.
Further, parameter initialization unit 302 specifically includes：
Power headroom computation subunit 3021 is used for the difference according to energy storage device output power and energy storage device general power,
Obtain energy storage device power headroom；
Inertia constrains subelement 3022, is used for output power, the virtual synchronous machine of the energy storage device according to virtual synchronous machine
Energy storage device the active power that exports in the steady state of state-of-charge, virtual synchronous machine and virtual synchronous machine export in the steady state
Reactive power, establish Inertia Matching constraint inequality；
Parameter initialization subelement 3023, for constraining inequality and power-energy constraint variation according to Inertia Matching
Relational graph, to the first inertia constant, the second inertia constant and third inertia constant and the first damping factor, the second damping factor
It is initialized with third damping factor.
Further, the first inertia calculation unit 303 is specifically used for, according to the first inertia constant, the first damping factor and
The reactive power that VSM is exported under stable state is exported using the first inertia constant as independent variable with VSM under the first damping factor and stable state
Reactive power be constant, by cycle calculations, cycle is carried out according to preset the first inertia constant of stepping step value pair and is successively decreased,
And the first power headroom of energy storage device is calculated, more than the first power headroom value of energy storage device and the maximum power of energy storage device
When the absolute value of amount meets the first prerequisite or completes preset cycle-index, then end loop calculates, and by current the
One inertia constant is assigned to the first factor of inertia；
Second inertia calculation unit 304 is specifically used for, according to VSM under the second inertia constant, the second damping factor and stable state
The reactive power of output, using the second inertia constant as independent variable, with the reactive power of VSM outputs under the second damping factor and stable state
Cycle is carried out according to preset the second inertia constant of stepping step value pair and is successively decreased, and calculates energy storage by cycle calculations for constant
Second power headroom of device, when the absolute value of the maximum power surplus of the second power headroom value and energy storage device of energy storage device
When meeting the second prerequisite or completing preset cycle-index, then end loop calculates, and by the second current inertia constant
It is assigned to the second factor of inertia；
Third inertia calculation unit 305 is specifically used for, according to VSM under third inertia constant, third damping factor and stable state
The reactive power of output, using third inertia constant as independent variable, with the reactive power of VSM outputs under third damping factor and stable state
Third inertia constant recycle incrementally according to preset stepping step value, and calculate energy storage by cycle calculations for constant
First energy balance of device, when the absolute value of the ceiling capacity surplus of the first energy balance value and energy storage device of energy storage device
When meeting third prerequisite or completing preset cycle-index, then end loop calculates, and by current third inertia constant
It is assigned to third factor of inertia.
Further, Inertia Matching unit 306 is specifically used for：
If the first factor of inertia is more than third factor of inertia and the second factor of inertia is more than third factor of inertia, by first
Factor of inertia is assigned to maximum factor of inertia, if it is not, third factor of inertia is then assigned to maximum factor of inertia.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be the indirect coupling by some interfaces, device or unit
It closes or communicates to connect, can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can be stored in a computer read/write memory medium.Based on this understanding, technical scheme of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) executes the complete of each embodiment the method for the present invention
Portion or part steps.And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to before
Stating embodiment, invention is explained in detail, it will be understood by those of ordinary skill in the art that：It still can be to preceding
The technical solution recorded in each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
Modification or replacement, the spirit and scope for various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of Inertia Matching method based on virtual synchronous machine energy storage threshold values, which is characterized in that including：
S1：Obtain the state-of-charge, virtual of the output power of energy storage device of virtual synchronous machine, the energy storage device of virtual synchronous machine
The reactive power that the active power and virtual synchronous machine that synchronous machine exports in the steady state export in the steady state；
S2：According to the output power of the energy storage device of virtual synchronous machine, the state-of-charge, virtual of the energy storage device of virtual synchronous machine
The reactive power and power-energy that active power that synchronous machine exports in the steady state, virtual synchronous machine export in the steady state are about
Beam variation relation figure, to the first inertia constant, the second inertia constant and third inertia constant and the first damping factor, the second resistance
Buddhist nun's factor and third damping factor initialize；
S3：According to the reactive power that VSM under the first inertia constant, the first damping factor and stable state is exported, with the first inertia constant
Obtain the first power headroom of energy storage device by cycle calculations for independent variable, if the first power headroom value of energy storage device and
The absolute value of the maximum power surplus of energy storage device meets the first prerequisite, and the first current inertia constant is assigned to first
Factor of inertia；
It is certainly with the second inertia constant according to the reactive power that VSM under the second inertia constant, the second damping factor and stable state is exported
Variable obtains the second power headroom of energy storage device by cycle calculations, if the second power headroom value of energy storage device and energy storage
The absolute value of the maximum power surplus of device meets the second prerequisite, and the second current inertia constant is assigned to the second inertia
Coefficient；
It is certainly with third inertia constant according to the reactive power that VSM under third inertia constant, third damping factor and stable state is exported
Variable obtains the first energy balance of energy storage device by cycle calculations, if the energy value of energy storage device and energy storage device are most
The absolute value of big energy balance meets the second prerequisite, and current third inertia constant is assigned to third factor of inertia；
S4：By being compared to the first factor of inertia, the second factor of inertia and third factor of inertia, optimal inertia system is obtained
Number.
2. a kind of Inertia Matching method based on virtual synchronous machine energy storage threshold values according to claim 1, which is characterized in that
The step S2 is specifically included：
S21：According to the difference of energy storage device output power and energy storage device general power, energy storage device power headroom is obtained；
S22：According to the output power of the energy storage device of virtual synchronous machine, the state-of-charge of the energy storage device of virtual synchronous machine, void
The reactive power that the active power and virtual synchronous machine that quasi- synchronous machine exports in the steady state export in the steady state, establishes Inertia Matching
Constrain inequality；
S23：Inequality and power-energy constraint variation relation figure are constrained according to Inertia Matching, to the first inertia constant, second
Inertia constant and third inertia constant and the first damping factor, the second damping factor and third damping factor are initialized.
3. a kind of Inertia Matching method based on virtual synchronous machine energy storage threshold values according to claim 2, which is characterized in that
The Inertia Matching constrains inequality：
Wherein, H represents inertia constant, and D represents damping factor, f (H, D, Qref) it is to judge overdamped constraints, Δ Pe.max
(H,D,Qref)≤ΔPmaxFor the constraints that power constraint meets, Δ E (H, D, Qref)≤ΔEmaxIt needs to meet for energy constraint
Constraints.
4. a kind of Inertia Matching method based on virtual synchronous machine energy storage threshold values according to claim 1, which is characterized in that institute
Step S3 is stated to specifically include：
S31：According to the reactive power that VSM under the first inertia constant, the first damping factor and stable state is exported, with the first inertia constant
For independent variable, the reactive power exported using VSM under the first damping factor and stable state is constant, by cycle calculations, according to default
The first inertia constant of stepping step value pair carry out cycle and successively decrease, and the first power headroom of energy storage device is calculated, when energy storage fills
The absolute value of the maximum power surplus of the first power headroom value and energy storage device set meets the first prerequisite or completes default
Cycle-index when, then end loop calculates, and the first current inertia constant is assigned to the first factor of inertia；
S32：According to the reactive power that VSM under the second inertia constant, the second damping factor and stable state is exported, with the second inertia constant
For independent variable, the reactive power exported using VSM under the second damping factor and stable state is constant, by cycle calculations, according to default
The second inertia constant of stepping step value pair carry out cycle and successively decrease, and the second power headroom of energy storage device is calculated, when energy storage fills
The absolute value of the maximum power surplus of the second power headroom value and energy storage device set meets the second prerequisite or completes default
Cycle-index when, then end loop calculates, and the second current inertia constant is assigned to the second factor of inertia；
S33：According to the reactive power that VSM under third inertia constant, third damping factor and stable state is exported, with third inertia constant
For independent variable, the reactive power exported using VSM under third damping factor and stable state is constant, by cycle calculations, according to default
Stepping step value third inertia constant recycle be incremented by, and the first energy balance of energy storage device is calculated, when energy storage fills
The absolute value of the ceiling capacity surplus of the first energy balance value and energy storage device set meets third prerequisite or completes default
Cycle-index when, then end loop calculates, and current third inertia constant is assigned to third factor of inertia.
5. a kind of Inertia Matching method based on virtual synchronous machine energy storage threshold values according to claim 4, which is characterized in that
The step S4 is specifically included：
By being compared to the first factor of inertia, the second factor of inertia and third factor of inertia, if the first factor of inertia is more than
Third factor of inertia and the second factor of inertia are more than third factor of inertia, then the first factor of inertia are assigned to maximum inertia system
Number, if it is not, third factor of inertia is then assigned to maximum factor of inertia.
6. a kind of Inertia Matching device based on virtual synchronous machine energy storage threshold values, which is characterized in that including：
Parameter acquiring unit, the output power of the energy storage device for obtaining virtual synchronous machine, the energy storage device of virtual synchronous machine
The reactive power that exports in the steady state of state-of-charge, the active power that exports in the steady state of virtual synchronous machine and virtual synchronous machine
Energy storage device energy storage device；
Parameter initialization unit, the energy storage for being used for the output power, virtual synchronous machine of the energy storage device according to virtual synchronous machine fill
The idle work(that active power that state-of-charge, the virtual synchronous machine set export in the steady state, virtual synchronous machine export in the steady state
Rate and power-energy constraint variation relation figure, to the first inertia constant, the second inertia constant and third inertia constant and
One damping factor, the second damping factor and third damping factor are initialized；
First inertia calculation unit, the idle work(for being exported according to VSM under the first inertia constant, the first damping factor and stable state
Rate, by cycle calculations, obtains the first power headroom of energy storage device, if energy storage device using the first inertia constant as independent variable
The first power headroom value and energy storage device maximum power surplus absolute value meet the first prerequisite, by current first
Inertia constant is assigned to the first factor of inertia；
Second inertia calculation unit, the idle work(for being exported according to VSM under the second inertia constant, the second damping factor and stable state
Rate, by cycle calculations, obtains the second power headroom of energy storage device, if energy storage device using the second inertia constant as independent variable
The second power headroom value and energy storage device maximum power surplus absolute value meet the second prerequisite, by current second
Inertia constant is assigned to the second factor of inertia；
Third inertia calculation unit, the idle work(for being exported according to VSM under third inertia constant, third damping factor and stable state
Rate, by cycle calculations, obtains the first energy balance of energy storage device, if energy storage device using third inertia constant as independent variable
Energy value and energy storage device ceiling capacity surplus absolute value meet the second prerequisite, by current third inertia constant
It is assigned to third factor of inertia；
Inertia Matching unit, for by being compared to the first factor of inertia, the second factor of inertia and third factor of inertia, obtaining
To optimal factor of inertia.
7. a kind of Inertia Matching device based on virtual synchronous machine energy storage threshold values according to claim 6, which is characterized in that
The parameter initialization unit specifically includes：
Power headroom computation subunit obtains energy storage for the difference according to energy storage device output power and energy storage device general power
Rating of set surplus；
Inertia constrains subelement, for the output power of energy storage device of virtual synchronous machine, the energy storage device of virtual synchronous machine
The reactive power that the active power and virtual synchronous machine that state-of-charge, virtual synchronous machine export in the steady state export in the steady state,
Establish Inertia Matching constraint inequality；
Parameter initialization subelement, it is right for constraining inequality and power-energy constraint variation relation figure according to Inertia Matching
First inertia constant, the second inertia constant and third inertia constant and the first damping factor, the second damping factor and third resistance
Buddhist nun's factor initializes.
8. a kind of Inertia Matching device based on virtual synchronous machine energy storage threshold values according to claim 7, which is characterized in that
The Inertia Matching constrains inequality：
Wherein, H represents inertia constant, and D represents damping factor, f (H, D, Qref) it is to judge overdamped constraints, Δ Pe.max
(H,D,Qref)≤ΔPmaxFor the constraints that power constraint meets, Δ E (H, D, Qref)≤ΔEmaxIt needs to meet for energy constraint
Constraints.
9. a kind of Inertia Matching device based on virtual synchronous machine energy storage threshold values according to claim 6, which is characterized in that
First inertia calculation unit is specifically used for, the nothing exported according to VSM under the first inertia constant, the first damping factor and stable state
Work(power, using the first inertia constant as independent variable, using the reactive power of VSM outputs under the first damping factor and stable state as constant,
By cycle calculations, cycle is carried out according to preset the first inertia constant of stepping step value pair and is successively decreased, and calculates energy storage device
First power headroom, when the absolute value of the maximum power surplus of the first power headroom value and energy storage device of energy storage device meets the
When one prerequisite or the preset cycle-index of completion, then end loop calculates, and the first current inertia constant is assigned to
First factor of inertia；
Second inertia calculation unit is specifically used for, the nothing exported according to VSM under the second inertia constant, the second damping factor and stable state
Work(power, using the second inertia constant as independent variable, using the reactive power of VSM outputs under the second damping factor and stable state as constant,
By cycle calculations, cycle is carried out according to preset the second inertia constant of stepping step value pair and is successively decreased, and calculates energy storage device
Second power headroom, when the absolute value of the maximum power surplus of the second power headroom value and energy storage device of energy storage device meets the
When two prerequisites or the preset cycle-index of completion, then end loop calculates, and the second current inertia constant is assigned to
Second factor of inertia；
Third inertia calculation unit is specifically used for, the nothing exported according to VSM under third inertia constant, third damping factor and stable state
Work(power, using third inertia constant as independent variable, using the reactive power of VSM outputs under third damping factor and stable state as constant,
By cycle calculations, third inertia constant recycle incrementally according to preset stepping step value, and calculate energy storage device
First energy balance, when the absolute value of the ceiling capacity surplus of the first energy balance value and energy storage device of energy storage device meets the
When three prerequisites or the preset cycle-index of completion, then end loop calculates, and current third inertia constant is assigned to
Third factor of inertia.
10. a kind of Inertia Matching device based on virtual synchronous machine energy storage threshold values according to claim 9, feature exist
In the Inertia Matching unit is specifically used for：
If the first factor of inertia is more than third factor of inertia and the second factor of inertia is more than third factor of inertia, by the first inertia
Coefficient is assigned to maximum factor of inertia, if it is not, third factor of inertia is then assigned to maximum factor of inertia.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114221394A (en) * | 2021-11-25 | 2022-03-22 | 浙江大学 | Self-adaptive virtual synchronous machine control method based on energy storage system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2963759A1 (en) * | 2013-02-28 | 2016-01-06 | Kawasaki Jukogyo Kabushiki Kaisha | Power conversion device for connection to grid |
| CN105762820A (en) * | 2016-03-30 | 2016-07-13 | 华北电力大学 | Method for configuring inertia matched with energy storage capacity of virtual synchronous machine |
| CN105914765A (en) * | 2016-05-18 | 2016-08-31 | 华北电力大学 | Inertia online setting method matched with energy storage remaining amount |
| CN107394814A (en) * | 2017-07-18 | 2017-11-24 | 武汉大学 | A kind of virtual Inertia Matching method under optimal energy storage configuration |
-
2018
- 2018-03-21 CN CN201810236185.4A patent/CN108390411A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2963759A1 (en) * | 2013-02-28 | 2016-01-06 | Kawasaki Jukogyo Kabushiki Kaisha | Power conversion device for connection to grid |
| CN105762820A (en) * | 2016-03-30 | 2016-07-13 | 华北电力大学 | Method for configuring inertia matched with energy storage capacity of virtual synchronous machine |
| CN105914765A (en) * | 2016-05-18 | 2016-08-31 | 华北电力大学 | Inertia online setting method matched with energy storage remaining amount |
| CN107394814A (en) * | 2017-07-18 | 2017-11-24 | 武汉大学 | A kind of virtual Inertia Matching method under optimal energy storage configuration |
Non-Patent Citations (1)
| Title |
|---|
| 刘昌: "虚拟同步机的储能物理约束及参数在线整定方法研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑（月刊）》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114221394A (en) * | 2021-11-25 | 2022-03-22 | 浙江大学 | Self-adaptive virtual synchronous machine control method based on energy storage system |
| CN114221394B (en) * | 2021-11-25 | 2024-04-05 | 浙江大学 | Energy storage system-based self-adaptive virtual synchronous machine control method |
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