CN111509748A - Energy storage converter control method and device - Google Patents

Energy storage converter control method and device Download PDF

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Publication number
CN111509748A
CN111509748A CN202010192133.9A CN202010192133A CN111509748A CN 111509748 A CN111509748 A CN 111509748A CN 202010192133 A CN202010192133 A CN 202010192133A CN 111509748 A CN111509748 A CN 111509748A
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energy storage
control
preset
storage converter
voltage
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CN111509748B (en
Inventor
胡四全
黄小有
张锐
董朝阳
吉攀攀
刘永成
秦鸿瑜
赵洋洋
张振兴
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Xuji Group Co Ltd
XJ Electric Co Ltd
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Xuji Group Co Ltd
XJ Electric Co Ltd
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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
    • H02J3/28—Arrangements for balancing of the load in a network by storage of energy
    • H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
    • 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
    • H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
    • H02J3/16—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by adjustment of reactive power
    • 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
    • H02J3/24—Arrangements for preventing or reducing oscillations of power in networks
    • 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
    • H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
    • H02J3/50—Controlling the sharing of the out-of-phase component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/30—Reactive power compensation

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

The invention discloses a method and a device for controlling an energy storage converter, wherein the method comprises the following steps: detecting the alternating voltage of the energy storage converter; judging whether the alternating voltage has sudden change; when the alternating voltage is suddenly changed, the energy storage converter is adjusted through hysteresis control and PI control. When the alternating voltage suddenly changes, namely suddenly decreases to a first preset voltage value or suddenly increases from a low-voltage area to a second preset voltage value, the current impact caused by the voltage sudden change and the corresponding current jitter caused by the environmental difference of the power grid is overcome by adopting a hybrid control mode of hysteresis control and PI control, the current jitter during high/low voltage ride-through is reduced, the stable transition of the voltage and the current during high/low voltage ride-through is ensured, and the service life of the power grid equipment is prolonged.

Description

Energy storage converter control method and device
Technical Field
The invention relates to the technical field of converter control, in particular to a control method and device of an energy storage converter.
Background
The energy storage converter can control the charging and discharging processes of the battery pack, performs alternating current-direct current conversion, and can directly supply power to an alternating current load under the condition of no power grid. Generally, the energy storage converter comprises a bidirectional converter and a control unit, and the converter is controlled to charge and discharge a battery according to the sign and the size of a power instruction by receiving a background control instruction, so that the active power and the reactive power of a power grid are adjusted.
The energy storage converter can meet the requirements of adjusting peak load shifting and peak-to-valley electricity price difference of a power station, smoothing wind energy and solar energy output, adjusting the electric energy quality of a power grid and supporting the functional requirements of a micro-grid system, so that the energy storage converter is widely popularized. Due to the difference of power grid environments, some voltage jitter occurs in a power grid, particularly a micro-grid, short-time power grid fluctuation needs an energy storage converter to smoothly pass through to generate a reactive power support power grid, but the voltage sudden change often accompanies current jitter to influence the quality of the power grid and the service life of equipment.
Disclosure of Invention
The embodiment of the invention aims to provide an energy storage converter, which avoids the influence of voltage sudden change and current jitter caused by power grid environment difference on power grid equipment by adopting a hybrid control mode of combining hysteresis control and PI control, reduces the current jitter during high/low voltage ride through and prolongs the service life of the power grid equipment.
In order to solve the above technical problem, a first aspect of an embodiment of the present invention provides a method for controlling an energy storage converter, including the following steps:
detecting the alternating voltage of the energy storage converter;
judging whether the alternating voltage has sudden change;
and when the alternating voltage is suddenly changed, the energy storage converter is adjusted through hysteresis control and PI control.
Further, the judging whether the alternating voltage has a sudden change comprises:
judging whether the alternating voltage is reduced from a normal range and is lower than the first preset voltage value; or
And judging whether the alternating voltage is increased from a low voltage range and is higher than a second preset voltage value.
Further, when the ac voltage is reduced from a normal range and is lower than a first preset voltage value, the adjusting the energy storage converter through hysteresis control and PI control includes:
and (3) hysteresis control: setting the reactive current of the energy storage converter to be a first preset current value and lasting for a first preset time;
PI control: after the first preset duration, setting the reactive current of the energy storage converter to be a second preset current value;
wherein the second preset current value is greater than the first preset current value.
Further, the second preset current value is positively correlated with the value of the reduction of the alternating current voltage.
Further, the first preset time period is 10 ms.
Further, the reactive current rises from the first preset current value to the second preset current value.
Further, when the ac voltage is increased from a low voltage range to a voltage higher than a second preset voltage value, the adjusting the energy storage converter through the hysteresis control and the PI control includes:
and (3) hysteresis control: setting the active current of the energy storage converter to be a third preset current value and lasting for a second preset time;
PI control: after the second preset time, setting the active current of the energy storage converter to be a fourth preset current value;
wherein the fourth preset current value is greater than the third preset current value.
Further, the active current rises from the third preset current value to the fourth preset current value.
Accordingly, a second aspect of the embodiments of the present invention provides an energy storage converter control apparatus, including:
the detection module is used for detecting the alternating-current voltage of the energy storage converter;
the judging module is used for judging whether the alternating voltage has sudden change;
and the control module is used for adjusting the energy storage converter through hysteresis control and PI control when the alternating voltage is suddenly changed.
Further, the judging module comprises:
the first judgment unit is used for judging whether the alternating voltage is reduced from a normal range and is lower than the first preset voltage value;
the second judging unit is used for judging whether the alternating voltage is increased from a low voltage range and is higher than a second preset voltage value.
Further, the control module includes:
the first control submodule is used for adjusting the energy storage converter through hysteresis control and PI control when the alternating voltage is reduced from a normal range and is lower than a first preset voltage value;
the first control sub-module includes:
the first control unit is used for setting the reactive current of the energy storage converter to be a first preset current value and lasting for a first preset time;
the second control unit is used for setting the reactive current of the energy storage converter to be a second preset current value after the first preset time;
wherein the second preset current value is greater than the first preset current value.
Further, the second preset current value is positively correlated with the value of the reduction of the alternating current voltage.
Further, the first preset time period is 10 ms.
Further, the reactive current rises from the first preset current value to the second preset current value.
Further, the control module further comprises:
the second control submodule is used for adjusting the energy storage converter through hysteresis control and PI control when the alternating voltage is increased from a low voltage range and is higher than a second preset voltage value;
the second control sub-module includes: a third control unit and a fourth control unit;
the third control unit is used for setting the active current of the energy storage converter to be a third preset current value and lasting for a second preset time;
the fourth control unit is used for setting the active current of the energy storage converter to be a fourth preset current value after the second preset time period;
wherein the fourth preset current value is greater than the third preset current value.
Further, the active current rises from the third preset current value to the fourth preset current value.
A third aspect of an embodiment of the present invention provides an electronic device, including: at least one processor; and a memory coupled to the at least one processor; wherein the memory stores instructions executable by the one processor, the instructions being executable by the one processor to cause the at least one processor to perform any of the energy storage converter control methods described above.
A fourth aspect of the embodiments of the present invention provides a computer-readable storage medium, on which computer instructions are stored, and the computer instructions, when executed by a processor, implement any of the above-mentioned energy storage converter control methods.
The technical scheme of the embodiment of the invention has the following beneficial technical effects:
when the alternating voltage suddenly changes, namely suddenly decreases to a first preset voltage value or suddenly increases from a low-voltage area to a second preset voltage value, the current impact caused by the voltage sudden change and the corresponding current jitter caused by the environmental difference of the power grid is overcome by adopting a hybrid control mode of hysteresis control and PI control, the current jitter during high/low voltage ride-through is reduced, the stable transition of the voltage and the current during high/low voltage ride-through is ensured, and the service life of the power grid equipment is prolonged.
Drawings
Fig. 1 is a schematic diagram of a control method of an energy storage converter according to an embodiment of the present invention;
fig. 2 is a flowchart of a method for controlling an energy storage converter according to an embodiment of the present invention;
fig. 3 is a test waveform diagram of a control method of an energy storage converter according to an embodiment of the present invention;
fig. 4 is a block diagram of an energy storage converter control apparatus according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of an identification module provided by an embodiment of the present invention;
FIG. 6 is a schematic diagram of a control module provided by an embodiment of the present invention;
FIG. 7 is a schematic diagram of a first control sub-module provided by an embodiment of the present invention;
fig. 8 is a schematic diagram of a second control sub-module provided in the embodiment of the present invention.
Reference numerals:
1. the device comprises a detection module, 2, a judgment module, 21, a first judgment unit, 22, a second judgment unit, 3, a control module, 31, a first control submodule, 311, a first control unit, 312, a second control unit, 32, a second control submodule, 321, a third control unit, 322 and a fourth control unit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Fig. 1 is a schematic diagram of a control method of an energy storage converter according to an embodiment of the present invention.
Fig. 1 is a schematic diagram of a control method of an energy storage converter, which includes a detection module, a judgment module, a control module, and a pulse generation module. The detection module mainly monitors the alternating voltage UACAnd apply an alternating voltage UACSending the data to a comparison module and sending the data to a control module. The comparison module detects the AC voltage UACAnd judging whether to enter low-pass logic or not and whether to exit low-pass logic or not. The control module selects a control mode according to the comparison module result and outputs the control result to the pulse generation module. If the comparison mode result is that the low-pass logic is entered, executing mode two control, namely hysteresis control and PI control; otherwise, the mode one control, i.e., the PI control, is executed. If the comparison mode result is exit from the low-pass logic, executing mode two control, otherwise executing mode one control. And the pulse generation module generates pulses according to the output result of the control module through an SVPWM control algorithm to control the on-off of the IGBT of the energy storage converter.
Fig. 2 is a flowchart of a method for controlling an energy storage converter according to an embodiment of the present invention.
Referring to fig. 1 and fig. 2, a first aspect of the embodiments of the present invention provides a method for controlling an energy storage converter, including the following steps:
s100, detecting the alternating voltage U of the energy storage converterAC。
S200, judging the alternating voltage UACWhether a mutation has occurred.
S300, when the alternating voltage U is adoptedACAnd when sudden change occurs, the energy storage converter is adjusted through hysteresis control and PI control.
Control of energy storage converter in the embodiment of the inventionThe control method combines two control modes of hysteresis control and PI control, and adopts a mode I (namely PI control) to control the energy storage converter and receives power station scheduling when the energy storage converter normally operates; when the AC voltage U is monitoredACWhen the voltage is lower than the preset value, namely the voltage just enters low-voltage ride through, the current impact caused by grid instability is restrained by adopting mode two (namely hysteresis control and PI control). AC voltage U during low voltage ride throughACAfter stabilization, the mode one control is still adopted, and the energy storage converter provides reactive current to support the power grid. When the alternating voltage UACWhen the voltage is higher than the preset value, namely low-voltage ride through is just generated, the current impact caused by unstable power grid is restrained by adopting mode two control, and when the alternating-current voltage U is higher than the preset valueACAnd after the stability, adopting mode one control to continuously receive power station dispatching.
In step S200, the AC voltage U is judgedACWhether a mutation occurs includes: judging AC voltage UACWhether the voltage is suddenly reduced from the normal range and is lower than the first preset voltage value UAC-level1(ii) a Or, judging the AC voltage UACWhether the voltage suddenly rises from the low voltage range and is higher than a second preset voltage value UAC-level2。
In one implementation of the embodiment of the present invention, when the AC voltage U is appliedACSuddenly reduced from the normal range and lower than the first preset voltage value UAC-level1In time, through hysteresis control and PI control adjustment energy storage converter, include: hysteresis control, setting the reactive current of the energy storage converter to a first preset current value Iq-ref1And last for a first preset time period Td1(ii) a PI control, in a first preset time period Td1Then, setting the reactive current of the energy storage converter to be a second preset current value Iq-ref2. Wherein the second preset current value Iq-ref2Greater than a first preset current value Iq-ref1。
Specifically, the second preset current value Iq-ref2With alternating voltage UACThe decreased values are positively correlated.
Optionally, the first preset time length Td1Is 10 ms.
Optionally, the reactive current is changed from a first preset current value I according to a first preset slopeq-ref1Rising to a second preset current value I according to a first preset accelerationq-ref2。
In another implementation of the embodiment of the present invention, when the AC voltage U is higher than the predetermined valueACSuddenly rises from the low voltage range and is higher than a second preset voltage value UAC-level2In time, through hysteresis control and PI control adjustment energy storage converter, include: the active current of the energy storage converter is set to a third preset current value I through hysteresis controld-ref3And lasts for a second preset time period Td2(ii) a PI control for a second preset time period Td2Then, the active current of the energy storage converter is set to a fourth preset current value Id-ref4(ii) a Wherein the fourth preset current value Id-ref4Greater than a third preset current value Id-ref3。
Optionally, the active current is changed from a third preset current value I according to a second preset sloped-ref3Rising to a fourth preset current value I according to a second preset accelerationd-ref4。
Fig. 3 is a test waveform diagram of the control method of the energy storage converter according to the embodiment of the invention.
FIG. 3 shows an AC voltage UACTest waveform when the voltage drops to 40%, wherein the channel 1 is AC voltage UACAnd channel 4 is an alternating current. As can be seen from fig. 3, the upper half portion is a low voltage ride through overall test waveform diagram, and the lower half portion is a partial enlarged diagram when the low voltage ride through exits. When the AC voltage recovers, the AC active current is set to a third preset current value Id-ref3When the voltage abruptly changes, no surge is generated.
Fig. 4 is a block diagram of an energy storage converter control apparatus according to an embodiment of the present invention.
Referring to fig. 4, a second aspect of the embodiment of the present invention provides an energy storage converter control apparatus, including: the device comprises a detection module 1, an identification module 2 and a control module 3. Detection module 1 is used for detecting alternating voltage U of energy storage converterAC. The identification module 2 is used for judging the alternating voltage UACWhether a mutation has occurred. The control module 3 is used for controlling the AC voltage UACAnd when sudden change occurs, the energy storage converter is adjusted through hysteresis control and PI control.
Fig. 5 is a schematic diagram of an identification module according to an embodiment of the present invention.
Referring to fig. 5, optionally, the identification module 2 includes: a first identification unit 21 and a second identification unit 22. The first identification unit 21 is used for judging the alternating voltage UACWhether the voltage is suddenly reduced from the normal range and is lower than the first preset voltage value UAC-level1. The second identification unit 22 is used for judging the alternating voltage UACWhether the voltage suddenly rises from the low voltage range and is higher than a second preset voltage value UAC-level2。
Fig. 6 is a schematic diagram of a control module according to an embodiment of the present invention.
Fig. 7 is a schematic diagram of a first control sub-module provided in the embodiment of the present invention.
Fig. 8 is a schematic diagram of a second control sub-module provided in the embodiment of the present invention.
Referring to fig. 6, optionally, the control module 3 includes: a first control submodule 31. The first control submodule 31 is used for controlling the alternating voltage UACSuddenly reduced from the normal range and lower than the first preset voltage value UAC-level1And meanwhile, the energy storage converter is adjusted through hysteresis control and PI control.
Referring to fig. 7, the first control sub-module 31 includes: a first control unit 311 and a second control unit 312. The first control unit 311 is configured to set the reactive current of the energy storage converter to a first preset current value Iq-ref1And last for a first preset time period Td1. The second control unit 312 is used for setting the first preset time period Td1Then, setting the reactive current of the energy storage converter to be a second preset current value Iq-ref2. Wherein the second preset current value Iq-ref2Greater than a first preset current value Iq-ref1。
Optionally, the second preset current value Iq-ref2With alternating voltage UACThe decreased values are positively correlated.
Optionally, the first preset time length Td1Is 10 ms.
Optionally, the reactive current is set to a first preset current value Iq-ref1Ascending to a second preset according to a first preset acceleration rateSet the current value Iq-ref2。
Optionally, the control module 3 further includes: a second control submodule 32. The second control submodule 32 is used for controlling the alternating voltage UACSuddenly rises from the low voltage range and is higher than a second preset voltage value UAC-level2And meanwhile, the energy storage converter is adjusted through hysteresis control and PI control.
Referring to fig. 8, the second control sub-module 32 includes: a third control unit 321 and a fourth control unit 322. The third control unit 321 is configured to set the active current of the energy storage converter to a third preset current value Id-ref3And lasts for a second preset time period Td2. The fourth control unit 322 is used for a second preset time period Td2Then, the active current of the energy storage converter is set to a fourth preset current value Id-ref4. Wherein the fourth preset current value Id-ref4Greater than a third preset current value Id-ref3。
Optionally, the active current is set to a third preset current value Id-ref3Rising to a fourth preset current value I according to a second preset accelerationd-ref4。
A third aspect of an embodiment of the present invention further provides an electronic device, including: at least one processor; and a memory coupled to the at least one processor; the storage stores instructions executable by a processor, and the instructions are executed by the processor to enable at least one processor to execute any one of the energy storage converter control methods.
The fourth aspect of the embodiment of the present invention also provides a computer-readable storage medium, on which computer instructions are stored, and when the instructions are executed by a processor, the computer-readable storage medium implements any of the energy storage converter control methods described above.
The embodiment of the invention aims to protect a control method and a device of an energy storage converter, wherein the method comprises the following steps: detecting the alternating voltage of the energy storage converter; judging whether the alternating voltage has sudden change; when the alternating voltage is suddenly changed, the energy storage converter is adjusted through hysteresis control and PI control. The technical scheme has the following effects:
when the alternating voltage suddenly changes, namely suddenly decreases to a first preset voltage value or suddenly increases from a low-voltage area to a second preset voltage value, the current impact caused by the voltage sudden change and the corresponding current jitter caused by the environmental difference of the power grid is overcome by adopting a hybrid control mode of hysteresis control and PI control, the current jitter during high/low voltage ride-through is reduced, the stable transition of the voltage and the current during high/low voltage ride-through is ensured, and the service life of the power grid equipment is prolonged.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims (18)

1. A control method of an energy storage converter is characterized by comprising the following steps:
detecting the alternating voltage of the energy storage converter;
judging whether the alternating voltage has sudden change;
and when the alternating voltage is suddenly changed, the energy storage converter is adjusted through hysteresis control and PI control.
2. The method of claim 1, wherein the determining whether the ac voltage has a sudden change comprises:
judging whether the alternating voltage is reduced from a normal range and is lower than the first preset voltage value; or
And judging whether the alternating voltage is increased from a low voltage range and is higher than a second preset voltage value.
3. The energy storage converter control method of claim 2,
when the alternating voltage is reduced from a normal range and is lower than a first preset voltage value, the energy storage converter is adjusted through hysteresis control and PI control, and the method comprises the following steps:
and (3) hysteresis control: setting the reactive current of the energy storage converter to be a first preset current value and lasting for a first preset time;
PI control: after the first preset duration, setting the reactive current of the energy storage converter to be a second preset current value;
wherein the second preset current value is greater than the first preset current value.
4. The energy storage converter control method of claim 3,
the second preset current value is positively correlated with the value of the reduction of the alternating current voltage.
5. The energy storage converter control method of claim 3,
the first preset time is 10 ms.
6. The energy storage converter control method of claim 3,
and the reactive current rises from the first preset current value to the second preset current value.
7. The energy storage converter control method of claim 2,
when the alternating voltage is increased from a low voltage range and is higher than a second preset voltage value, the energy storage converter is adjusted through hysteresis control and PI control, and the method comprises the following steps:
and (3) hysteresis control: setting the active current of the energy storage converter to be a third preset current value and lasting for a second preset time;
PI control: after the second preset time, setting the active current of the energy storage converter to be a fourth preset current value;
wherein the fourth preset current value is greater than the third preset current value.
8. The energy storage converter control method of claim 7,
and the active current rises from the third preset current value to the fourth preset current value.
9. An energy storage converter control apparatus, comprising:
the detection module is used for detecting the alternating-current voltage of the energy storage converter;
the judging module is used for judging whether the alternating voltage has sudden change;
and the control module is used for adjusting the energy storage converter through hysteresis control and PI control when the alternating voltage is suddenly changed.
10. The power converter control device of claim 9, wherein the determining module comprises:
the first judgment unit is used for judging whether the alternating voltage is reduced from a normal range and is lower than the first preset voltage value;
the second judging unit is used for judging whether the alternating voltage is increased from a low voltage range and is higher than a second preset voltage value.
11. The energy storage converter control device of claim 10, wherein said control module comprises:
the first control submodule is used for adjusting the energy storage converter through hysteresis control and PI control when the alternating voltage is suddenly reduced from a normal range and is lower than a first preset voltage value;
the first control sub-module includes:
the first control unit is used for setting the reactive current of the energy storage converter to be a first preset current value and lasting for a first preset time;
the second control unit is used for setting the reactive current of the energy storage converter to be a second preset current value after the first preset time;
wherein the second preset current value is greater than the first preset current value.
12. The energy storage converter control device of claim 11,
the second preset current value is positively correlated with the value of the reduction of the alternating current voltage.
13. The energy storage converter control device of claim 11,
the first preset time is 10 ms.
14. The energy storage converter control device of claim 11,
and the reactive current rises from the first preset current value to the second preset current value.
15. The energy storage converter control device of claim 10, wherein said control module further comprises:
the second control submodule is used for adjusting the energy storage converter through hysteresis control and PI control when the alternating voltage is suddenly increased from a low voltage range and is higher than a second preset voltage value;
the second control sub-module includes: a third control unit and a fourth control unit;
the third control unit is used for setting the active current of the energy storage converter to be a third preset current value and lasting for a second preset time;
the fourth control unit is used for setting the active current of the energy storage converter to be a fourth preset current value after the second preset time period;
wherein the fourth preset current value is greater than the third preset current value.
16. The energy storage converter control device of claim 15,
and the active current rises from the third preset current value to the fourth preset current value.
17. An electronic device, comprising: at least one processor; and a memory coupled to the at least one processor; wherein the memory stores instructions executable by the one processor to cause the at least one processor to perform the energy storage converter control method of any one of claims 1 to 8.
18. A computer readable storage medium having stored thereon computer instructions, characterized in that the instructions, when executed by a processor, implement the energy storage converter control method according to any of the claims 1-8.
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