Automatic matching given power control system and method for energy storage generator set

Abstract

The invention discloses an automatic matching given power control system and method for an energy storage generator set. The method comprises the following steps: calculating a given power intermediate value of the energy storage generator set; and calculating the given power of the energy storage generator set according to the given intermediate value of the power of the energy storage generator set. The system and the method can realize automatic matching given power control of the energy storage generator set.

Description

Technical Field

[0001] The invention belongs to the field of intelligent control of generator sets, and relates to a control system and method for automatically matching a given power of an energy storage generator set. Background Art

[0002] Energy storage systems have the ability to quickly respond to changes in grid frequency, which is critical for balancing supply and demand and maintaining grid stability. Research shows that energy storage resources can effectively undertake frequency regulation tasks, especially when dealing with high-frequency component demands. At present, in the process of automatically matching a given power with an energy storage generator set, not only complex control strategies and system optimization are involved, but also economic efficiency and technical maturity need to be considered. However, there is currently a lack of technical innovation and system optimization in this series, and it is necessary to develop a set of control methods and systems suitable for energy storage generator sets to automatically match a given power, so that they can play a greater role in future power systems and provide support for more efficient and reliable power supply. Summary of the invention

[0003] The purpose of the present invention is to overcome the shortcomings of the above-mentioned prior art and provide a control system and method for automatically matching a given power of an energy storage generator set. The system and method can realize automatic matching of a given power control of an energy storage generator set.

[0004] To achieve the above object, the present invention discloses a method for automatically matching a given power control of an energy storage generator set, comprising:

[0005] Calculate the given intermediate value of the power of the energy storage generator set;

[0006] The given power of the energy storage generator set is calculated according to the given intermediate value of the power of the energy storage generator set.

[0007] The present invention discloses a control system for automatically matching a given power of an energy storage generator set, comprising:

[0008] The first calculation module is used to calculate the given intermediate value of the power of the energy storage generator set;

[0009] The second calculation module is used to calculate the given power of the energy storage generator set according to the given intermediate value of the power of the energy storage generator set.

[0010] The further improvement of the automatic matching given power control system of the energy storage generator set of the present invention is:

[0011] Further, the first calculation module includes an energy storage generator set load rate module, an energy storage generator set power given intermediate value input module, an energy storage generator set target power module, an energy storage generator set maintaining state module, an energy storage generator set actual power module, an energy storage generator set power control input module, a DEH trip module, a first division module, a first subtraction module, a first addition module, a second subtraction module, a first less than comparison module, a first greater than comparison module, a first switching module, a second switching module, a third switching module, a fourth switching module, a fifth switching module and an energy storage generator set power given intermediate value output module;

[0012] The output end of the energy storage generator set load rate module is connected to the input end of the first division module, the output end of the energy storage generator set power given intermediate value input module and the output end of the energy storage generator set target power module are connected to the input end of the first subtraction module, the input end of the first addition module is connected to the output end of the first division module and the output end of the energy storage generator set power given intermediate value input module, the input end of the second subtraction module is connected to the output end of the energy storage generator set power given intermediate value input module and the output end of the first division module, the input end of the first less than comparison module is connected to the output end of the first subtraction module, the input end of the first greater than comparison module is connected to the output end of the first subtraction module, the pv1 end, the pv2 end and the S end of the first switching module are respectively connected to the output end of the first addition module, the output end of the energy storage generator set power given intermediate value input module and the output end of the first The output end of the less than comparison module is connected, the pv1 end, pv2 end and S end of the second switching module are respectively connected to the output end of the second subtraction module, the output end of the first switching module and the output end of the first greater than comparison module, the pv1 end, pv2 end and S end of the third switching module are respectively connected to the output end of the energy storage generator set maintaining state module, the output end of the second switching module and the output end of the fifth switching module, the pv1 end, pv2 end and S end of the fourth switching module are respectively connected to the output end of the third switching module, the output end of the actual power module of the energy storage generator set and the output end of the power control input module of the energy storage generator set, the pv2 end and S end of the fifth switching module are respectively connected to the output end of the fourth switching module and the output end of the DEH tripping module, and the input end of the energy storage generator set power given intermediate value output module is connected to the output end of the fifth switching module.

[0013] Further, the second calculation module includes a second addition module, an energy storage frequency modulation power value module, a first maximum value selection module, an energy storage generator set low load limit value module, an energy storage generator set high load limit value module, a first minimum value selection module and an energy storage generator set power given power module;

[0014] The input end of the second addition module is connected to the output end of the fifth switching module and the output end of the energy storage frequency modulation power value module, the input end of the first maximum value selection module is connected to the output end of the second addition module and the output end of the low load limit value module of the energy storage generator set, the input end of the first minimum value selection module is connected to the output end of the first maximum value selection module and the output end of the high load limit value module of the energy storage generator set, and the output end of the first minimum value selection module is connected to the power setting power module of the energy storage generator set.

[0015] The present invention discloses a method for automatically matching a given power control of an energy storage generator set, comprising the following steps:

[0016] 1) When the difference between the output value of the energy storage generator set power given intermediate value input module and the output value of the energy storage generator set target power module satisfies the first less than the built-in constant K1 of the comparison module, the output of the first switching module is the result of dividing the output value of the energy storage generator set load rate module by the built-in constant K2 of the first division module and adding the output value of the energy storage generator set power given intermediate value input module; otherwise, the output of the first switching module is the output value of the energy storage generator set power given intermediate value input module;

[0017] 2) When the difference between the output value of the energy storage generator set power given intermediate value input module and the output value of the energy storage generator set target power module satisfies the first greater than the built-in constant K3 of the comparison module, the output of the second switching module is the result of dividing the output value of the energy storage generator set load rate module by the built-in constant K2 of the first division module and then subtracting the output value of the energy storage generator set power given intermediate value input module, otherwise, the output of the second switching module is the output value of the first switching module;

[0018] 3) When the output value of the energy storage generator set maintaining state module is 1, the output of the third switching module is the output value of the fifth switching module; otherwise, the output of the third switching module is the output value of the second switching module;

[0019] 4) When the output value of the power control input module of the energy storage generator set is 1, the output of the fourth switching module is the output value of the third switching module; otherwise, the output of the fourth switching module is the output value of the actual power module of the energy storage generator set;

[0020] 5) When the output value of the DEH trip module is 1, the output of the fifth switching module is 0; otherwise, the output of the fifth switching module is the output value of the fourth switching module;

[0021] 6) The output value of the fifth switching module is used as the intermediate value of the power given by the energy storage generator set;

[0022] 7) Add the output value of the fifth switching module to the output value of the energy storage frequency modulation power value module, then select the larger value with the output value of the low load limit value module of the energy storage generator set, and then select the smaller value with the output value of the high load limit value module of the energy storage generator set to obtain the given power of the energy storage generator set.

[0023] The further improvement of the automatic matching given power control method of the energy storage generator set of the present invention is:

[0024] Furthermore, K1 = -0.1.

[0025] Furthermore, K2=1200.

[0026] Furthermore, K3=0.1.

[0027] Further, the first calculation module includes an energy storage generator set load rate module, an energy storage generator set power given intermediate value input module, an energy storage generator set target power module, an energy storage generator set maintaining state module, an energy storage generator set actual power module, an energy storage generator set power control input module, a DEH trip module, a first division module, a first subtraction module, a first addition module, a second subtraction module, a first less than comparison module, a first greater than comparison module, a first switching module, a second switching module, a third switching module, a fourth switching module, a fifth switching module and an energy storage generator set power given intermediate value output module;

[0028] The output end of the energy storage generator set load rate module is connected to the input end of the first division module, the output end of the energy storage generator set power given intermediate value input module and the output end of the energy storage generator set target power module are connected to the input end of the first subtraction module, the input end of the first addition module is connected to the output end of the first division module and the output end of the energy storage generator set power given intermediate value input module, the input end of the second subtraction module is connected to the output end of the energy storage generator set power given intermediate value input module and the output end of the first division module, the input end of the first less than comparison module is connected to the output end of the first subtraction module, the input end of the first greater than comparison module is connected to the output end of the first subtraction module, the pv1 end, the pv2 end and the S end of the first switching module are respectively connected to the output end of the first addition module, the output end of the energy storage generator set power given intermediate value input module and the output end of the first The output end of the less than comparison module is connected, the pv1 end, pv2 end and S end of the second switching module are respectively connected to the output end of the second subtraction module, the output end of the first switching module and the output end of the first greater than comparison module, the pv1 end, pv2 end and S end of the third switching module are respectively connected to the output end of the energy storage generator set maintaining state module, the output end of the second switching module and the output end of the fifth switching module, the pv1 end, pv2 end and S end of the fourth switching module are respectively connected to the output end of the third switching module, the output end of the actual power module of the energy storage generator set and the output end of the power control input module of the energy storage generator set, the pv2 end and S end of the fifth switching module are respectively connected to the output end of the fourth switching module and the output end of the DEH tripping module, and the input end of the energy storage generator set power given intermediate value output module is connected to the output end of the fifth switching module.

[0029] Further, the second calculation module includes a second addition module, an energy storage frequency modulation power value module, a first maximum value selection module, an energy storage generator set low load limit value module, an energy storage generator set high load limit value module, a first minimum value selection module and an energy storage generator set power given power module;

[0030] The input end of the second addition module is connected to the output end of the fifth switching module and the output end of the energy storage frequency modulation power value module, the input end of the first maximum value selection module is connected to the output end of the second addition module and the output end of the low load limit value module of the energy storage generator set, the input end of the first minimum value selection module is connected to the output end of the first maximum value selection module and the output end of the high load limit value module of the energy storage generator set, and the output end of the first minimum value selection module is connected to the power setting power module of the energy storage generator set.

[0031] The present invention has the following beneficial effects:

[0032] The energy storage generator set automatic matching given power control system and method described in the present invention adopts the calculation of regional control deviation in specific operation to obtain smooth regional control deviation, and calculates the adjustment power value of each AGC energy storage generator set according to the operating characteristics of the frequency modulation resources and the AGC allocation factor. The capacity optimization configuration is carried out by taking into account the economy and practicality of the energy storage system participating in the frequency modulation, and the capacity optimization configuration strategy of the hybrid energy storage system that meets the simulation verification super configuration can significantly reduce the charging and discharging loss and improve the overall economy. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings:

[0034] Figure 1 It is a structural diagram of the present invention;

[0035] Figure 2 Schematic diagram of energy storage discharge power.

[0036] Among them, 001 is the energy storage frequency regulation power value module, 002 is the energy storage generator set load rate module, 003 is the energy storage generator set power given intermediate value input module, 004 is the energy storage generator set target power module, 005 is the energy storage generator set maintenance state module, 006 is the energy storage generator set actual power module, 007 is the energy storage generator set power control input module, 008 is the DEH trip module, 009 is the energy storage generator set low load limit value module, 010 is the energy storage generator set high load limit value module, 011 is the first division module, 012 is the first subtraction module, 013 is the first addition module, 014 is the second subtraction module, 015 is the first less than comparison module, 016 is the first greater than comparison module, 017 is the first switching module, 018 is the second switching module, 019 is the third switching module, 020 is the fourth switching module, 021 is the fifth switching module, 022 is the second addition module, 023 is the first maximum value selection module, 024 is the first minimum value selection module, 025 is the energy storage generator set power given intermediate value output module, and 026 is the energy storage generator set power given power module. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] In the description of the present invention, it should be understood that the terms “include” and “comprises” indicate the presence of described features, wholes, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, wholes, steps, operations, elements, components and / or collections thereof.

[0039] It should also be understood that the terms used in the present specification are only for the purpose of describing specific embodiments and are not intended to limit the present invention. As used in the present specification and the appended claims, unless the context clearly indicates otherwise, the singular forms "a", "an" and "the" are intended to include plural forms.

[0040] It should be further understood that the term "and / or" used in the present specification and the appended claims refers to any combination of one or more of the associated listed items and all possible combinations, and includes these combinations. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in the present invention generally indicates that the associated objects are in an "or" relationship.

[0041] It should be understood that, although the terms first, second, third, etc. may be used to describe preset ranges, etc. in the embodiments of the present invention, these preset ranges should not be limited to these terms. These terms are only used to distinguish preset ranges from each other. For example, without departing from the scope of the embodiments of the present invention, the first preset range may also be referred to as the second preset range, and similarly, the second preset range may also be referred to as the first preset range.

[0042] The word "if" as used herein may be interpreted as "at the time of" or "when" or "in response to determining" or "in response to detecting", depending on the context. Similarly, the phrases "if it is determined" or "if (stated condition or event) is detected" may be interpreted as "when it is determined" or "in response to determining" or "when detecting (stated condition or event)" or "in response to detecting (stated condition or event)", depending on the context.

[0043] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. The components of the embodiments of the present invention described and shown in the drawings here can usually be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0044] Various structural schematic diagrams of the embodiments disclosed in the present invention are shown in the accompanying drawings. These figures are not drawn to scale, and some details are magnified and some details may be omitted for the purpose of clear expression. The shapes of various regions and layers shown in the figures and the relative sizes and positional relationships therebetween are only exemplary, and may deviate in practice due to manufacturing tolerances or technical limitations, and those skilled in the art may additionally design regions / layers with different shapes, sizes, and relative positions according to actual needs.

[0045] refer to Figure 1 The energy storage generator set automatic matching given power control system of the present invention includes a first calculation module and a second calculation module; the first calculation module includes an energy storage generator set load rate module 002, an energy storage generator set power given intermediate value input module 003, an energy storage generator set target power module 004, an energy storage generator set maintaining state module 005, an energy storage generator set actual power module 006, an energy storage generator set power control input module 007, a DEH tripping module 008, a first division module 011, a first subtraction module 012, a first addition module 013, a second subtraction module 014, a first A less than comparison module 015, a first greater than comparison module 016, a first switching module 017, a second switching module 018, a third switching module 019, a fourth switching module 020, a fifth switching module 021 and an energy storage generator set power given intermediate value output module 025; the second calculation module includes a second addition module 022, an energy storage frequency modulation power value module 001, a first maximum value selection module 023, an energy storage generator set low load limit value module 009, an energy storage generator set high load limit value module 010, a first minimum value selection module 024 and an energy storage generator set power given power module 026;

[0046] The output end of the energy storage generator set load rate module 002 is connected to the input end of the first division module 011, the output end of the energy storage generator set power given intermediate value input module 003 and the output end of the energy storage generator set target power module 004 are connected to the input end of the first subtraction module 012, the input end of the first addition module 013 is connected to the output end of the first division module 011 and the output end of the energy storage generator set power given intermediate value input module 003, the input end of the second subtraction module 014 is connected to the output end of the energy storage generator set power given intermediate value input module 003 and the output end of the first division module 011, the input end of the first less than comparison module 015 is connected to the output end of the first subtraction module 012, the input end of the first greater than comparison module 016 is connected to the output end of the first subtraction module 012, the pv1 end, the pv2 end and the S end of the first switching module 017 are respectively connected to the output end of the first addition module 013, the energy storage generator set The output end of the power given intermediate value input module 003 is connected to the output end of the first less than comparison module 015, the pv1 end, the pv2 end and the S end of the second switching module 018 are respectively connected to the output end of the second subtraction module 014, the output end of the first switching module 017 and the output end of the first greater than comparison module 016, the pv1 end, the pv2 end and the S end of the third switching module 019 are respectively connected to the output end of the energy storage generator set maintaining state module 005, the output end of the second switching module 018 and the output end of the fifth switching module 021, the pv1 end, the pv2 end and the S end of the fourth switching module 020 are respectively connected to the output end of the third switching module 019, the output end of the energy storage generator set actual power module 006 and the output end of the energy storage generator set power control input module 007, and the pv2 end and the S end of the fifth switching module 021 are respectively connected to the output end of the fourth switching module 020 and the output end of the DEH trip module 008.

[0047] The input end of the energy storage generator set power given intermediate value output module 025 is connected to the output end of the fifth switching module 021; the input end of the second addition module 022 is connected to the output end of the fifth switching module 021 and the output end of the energy storage frequency modulation power value module 001, the input end of the first maximum value selection module 023 is connected to the output end of the second addition module 022 and the output end of the energy storage generator set low load limit value module 009, the input end of the first minimum value selection module 024 is connected to the output end of the first maximum value selection module 023 and the output end of the energy storage generator set high load limit value module 010, and the output end of the first minimum value selection module 024 is connected to the energy storage generator set power given power module 026.

[0048] The method for automatically matching a given power of an energy storage generator set according to the present invention comprises the following steps:

[0049] 1) When the difference between the output value of the energy storage generator set power given intermediate value input module 003 and the output value of the energy storage generator set target power module 004 satisfies the first less than the built-in constant -0.1 of the comparison module 015, the output of the first switching module 017 is the result of dividing the output value of the energy storage generator set load rate module 002 by the built-in constant 1200 of the first division module 011 and adding the output value of the energy storage generator set power given intermediate value input module 003; otherwise, the output of the first switching module 017 is the output value of the energy storage generator set power given intermediate value input module 003.

[0050] 2) When the difference between the output value of the energy storage generator set power given intermediate value input module 003 and the output value of the energy storage generator set target power module 004 satisfies the first greater than the built-in constant 0.1 of the comparison module 016, the output of the second switching module 018 is the result of dividing the output value of the energy storage generator set load rate module 002 by the built-in constant 1200 of the first division module 011 and then subtracting the output value of the energy storage generator set power given intermediate value input module 003; otherwise, the output of the second switching module 018 is the output value of the first switching module 017.

[0051] 3) When the output value of the energy storage generator set maintaining state module 005 is 1, the output of the third switching module 019 is the output value of the fifth switching module 021; otherwise, the output of the third switching module 019 is the output value of the second switching module 018.

[0052] 4) When the output value of the energy storage generator set power control input module 007 is 1, the output of the fourth switching module 020 is the output value of the third switching module 019; otherwise, the output of the fourth switching module 020 is the output value of the energy storage generator set actual power module 006.

[0053] 5) When the output value of the DEH trip module 008 is 1, the output of the fifth switching module 021 is 0; otherwise, the output of the fifth switching module 021 is the output value of the fourth switching module 020.

[0054] 6) The output value of the fifth switching module 021 is used as the intermediate value of the power given by the energy storage generator set.

[0055] 7) Add the output value of the fifth switching module 021 to the output value of the energy storage frequency modulation power value module 001, then select the larger value with the output value of the energy storage generator set low load limit value module 009, and then select the smaller value with the output value of the energy storage generator set high load limit value module 010 to obtain the energy storage generator set power setting power.

[0056] Embodiment 1

[0057] refer to Figure 2 Through the implementation and application of the technology of the present invention, within the range of 0-60s, the power deviation variation range of the energy storage generator set is stable, and it can effectively undertake the frequency regulation task, especially when responding to the needs of high-frequency components, and the control effect is good.

[0058] Those skilled in the art will readily appreciate other embodiments of the present invention after considering the specification and disclosure of the invention. This application is intended to cover any variations, uses or adaptations of the present invention that follow the general principles of the present invention and include common knowledge or customary techniques in the art that are not disclosed by the present invention. The specification and examples are to be considered exemplary only, and the true scope and spirit of the present invention are indicated by the following claims.

[0059] It should be understood that the present invention is not limited to the exact construction that has been described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

[0060] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any way. Any simple modification, change and equivalent structural change made to the above embodiment based on the technical essence of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A method for automatically matching a given power control of an energy storage generator set, characterized in that: include: Calculate the given intermediate value of the power of the energy storage generator set; The given power of the energy storage generator set is calculated according to the given intermediate value of the power of the energy storage generator set.

2. A control system for automatically matching a given power of an energy storage generator set, characterized in that: include: The first calculation module is used to calculate the given intermediate value of the power of the energy storage generator set; The second calculation module is used to calculate the given power of the energy storage generator set according to the given intermediate value of the power of the energy storage generator set.

3. The energy storage generator set automatic matching given power control system according to claim 2 is characterized in that: The first calculation module comprises an energy storage generator set load rate module (002), an energy storage generator set power given intermediate value input module (003), an energy storage generator set target power module (004), an energy storage generator set state maintaining module (005), an energy storage generator set actual power module (006), an energy storage generator set power control input module (007), a DEH tripping module (008), a first division module (011), a first subtraction module (012), a first addition module (013), a second subtraction module (014), a first less than comparison module (015), a first greater than comparison module (016), a first switching module (017), a second switching module (018), a third switching module (019), a fourth switching module (020), a fifth switching module (021) and an energy storage generator set power given intermediate value output module (025); The output end of the energy storage generator set load rate module (002) is connected to the input end of the first division module (011), the output end of the energy storage generator set power given intermediate value input module (003) and the output end of the energy storage generator set target power module (004) are connected to the input end of the first subtraction module (012), the input end of the first addition module (013) is connected to the output end of the first division module (011) and the output end of the energy storage generator set power given intermediate value input module (003), and the input end of the second subtraction module (014) is connected to the output end of the energy storage generator set. The output end of the given intermediate value input module (003) of the power of the generator group is connected to the output end of the first division module (011), the input end of the first less than comparison module (015) is connected to the output end of the first subtraction module (012), the input end of the first greater than comparison module (016) is connected to the output end of the first subtraction module (012), and the pv1 end, pv2 end and S end of the first switching module (017) are respectively connected to the output end of the first addition module (013), the output end of the given intermediate value input module (003) of the power of the energy storage generator group and the output end of the first subtraction module (012). The output end of the less than comparison module (015) is connected, the pv1 end, the pv2 end and the S end of the second switching module (018) are respectively connected to the output end of the second subtraction module (014), the output end of the first switching module (017) and the output end of the first greater than comparison module (016), the pv1 end, the pv2 end and the S end of the third switching module (019) are respectively connected to the output end of the energy storage generator set maintaining state module (005), the output end of the second switching module (018) and the output end of the fifth switching module (021), and the fourth switching module The pv1 end, pv2 end and S end of (020) are respectively connected to the output end of the third switching module (019), the output end of the actual power module (006) of the energy storage generator set and the output end of the power control input module (007) of the energy storage generator set; the pv2 end and S end of the fifth switching module (021) are respectively connected to the output end of the fourth switching module (020) and the output end of the DEH tripping module (008); the input end of the energy storage generator set power given intermediate value output module (025) is connected to the output end of the fifth switching module (021).

4. The automatic matching given power control system of the energy storage generator set according to claim 3 is characterized in that: The second calculation module comprises a second addition module (022), an energy storage frequency modulation power value module (001), a first maximum value selection module (023), an energy storage generator set low load limit value module (009), an energy storage generator set high load limit value module (010), a first minimum value selection module (024) and an energy storage generator set power given power module (026); The input end of the second adding module (022) is connected to the output end of the fifth switching module (021) and the output end of the energy storage frequency modulation power value module (001), the input end of the first maximum value selection module (023) is connected to the output end of the second adding module (022) and the output end of the energy storage generator set low load limit value module (009), the input end of the first minimum value selection module (024) is connected to the output end of the first maximum value selection module (023) and the output end of the energy storage generator set high load limit value module (010), and the output end of the first minimum value selection module (024) is connected to the energy storage generator set power setting power module (026).

5. A method for automatically matching a given power control of an energy storage generator set, characterized in that: The energy storage generator set automatically matches a given power control system according to claim 1, comprising the following steps: 1) When the difference between the output value of the energy storage generator set power given intermediate value input module (003) and the output value of the energy storage generator set target power module (004) satisfies the first less than constant K1 built in the comparison module (015), the output of the first switching module (017) is the result of dividing the output value of the energy storage generator set load rate module (002) by the constant K2 built in the first division module (011) and adding the output value of the energy storage generator set power given intermediate value input module (003); otherwise, the output of the first switching module (017) is the output value of the energy storage generator set power given intermediate value input module (003); 2) When the difference between the output value of the energy storage generator set power given intermediate value input module (003) and the output value of the energy storage generator set target power module (004) satisfies the first greater than constant K3 built in the comparison module (016), the output of the second switching module (018) is the result of dividing the output value of the energy storage generator set load rate module (002) by the constant K2 built in the first division module (011) and then subtracting the output value of the energy storage generator set power given intermediate value input module (003); otherwise, the output of the second switching module (018) is the output value of the first switching module (017); 3) When the output value of the energy storage generator set maintaining state module (005) is 1, the output of the third switching module (019) is the output value of the fifth switching module (021); otherwise, the output of the third switching module (019) is the output value of the second switching module (018); 4) When the output value of the energy storage generator set power control input module (007) is 1, the output of the fourth switching module (020) is the output value of the third switching module (019); otherwise, the output of the fourth switching module (020) is the output value of the energy storage generator set actual power module (006); 5) When the output value of the DEH trip module (008) is 1, the output of the fifth switching module (021) is 0; otherwise, the output of the fifth switching module (021) is the output value of the fourth switching module (020); 6) The output value of the fifth switching module (021) is used as the intermediate value of the power given by the energy storage generator set; 7) Add the output value of the fifth switching module (021) to the output value of the energy storage frequency modulation power value module (001), then select the larger value with the output value of the energy storage generator set low load limit value module (009), and then select the smaller value with the output value of the energy storage generator set high load limit value module (010), to obtain the energy storage generator set power setting power.

6. The method for automatically matching a given power of an energy storage generator set according to claim 5 is characterized in that: K1＝-0.1。 7. The method for automatically matching a given power of an energy storage generator set according to claim 5 is characterized in that: K2＝1200。 8. The method for automatically matching a given power of an energy storage generator set according to claim 5 is characterized in that: K3＝0.1。 9. The method for automatically matching a given power of an energy storage generator set according to claim 5, characterized in that: The first calculation module comprises an energy storage generator set load rate module (002), an energy storage generator set power given intermediate value input module (003), an energy storage generator set target power module (004), an energy storage generator set state maintaining module (005), an energy storage generator set actual power module (006), an energy storage generator set power control input module (007), a DEH tripping module (008), a first division module (011), a first subtraction module (012), a first addition module (013), a second subtraction module (014), a first less than comparison module (015), a first greater than comparison module (016), a first switching module (017), a second switching module (018), a third switching module (019), a fourth switching module (020), a fifth switching module (021) and an energy storage generator set power given intermediate value output module (025); The output end of the energy storage generator set load rate module (002) is connected to the input end of the first division module (011), the output end of the energy storage generator set power given intermediate value input module (003) and the output end of the energy storage generator set target power module (004) are connected to the input end of the first subtraction module (012), the input end of the first addition module (013) is connected to the output end of the first division module (011) and the output end of the energy storage generator set power given intermediate value input module (003), and the input end of the second subtraction module (014) is connected to the output end of the energy storage generator set. The output end of the given intermediate value input module (003) of the power of the generator group is connected to the output end of the first division module (011), the input end of the first less than comparison module (015) is connected to the output end of the first subtraction module (012), the input end of the first greater than comparison module (016) is connected to the output end of the first subtraction module (012), and the pv1 end, pv2 end and S end of the first switching module (017) are respectively connected to the output end of the first addition module (013), the output end of the given intermediate value input module (003) of the power of the energy storage generator group and the output end of the first subtraction module (012). The output end of the less than comparison module (015) is connected, the pv1 end, the pv2 end and the S end of the second switching module (018) are respectively connected to the output end of the second subtraction module (014), the output end of the first switching module (017) and the output end of the first greater than comparison module (016), the pv1 end, the pv2 end and the S end of the third switching module (019) are respectively connected to the output end of the energy storage generator set maintaining state module (005), the output end of the second switching module (018) and the output end of the fifth switching module (021), and the fourth switching module The pv1 end, pv2 end and S end of (020) are respectively connected to the output end of the third switching module (019), the output end of the actual power module (006) of the energy storage generator set and the output end of the power control input module (007) of the energy storage generator set; the pv2 end and S end of the fifth switching module (021) are respectively connected to the output end of the fourth switching module (020) and the output end of the DEH tripping module (008); the input end of the energy storage generator set power given intermediate value output module (025) is connected to the output end of the fifth switching module (021).

10. The method for automatically matching a given power of an energy storage generator set according to claim 5, characterized in that: The second calculation module comprises a second addition module (022), an energy storage frequency modulation power value module (001), a first maximum value selection module (023), an energy storage generator set low load limit value module (009), an energy storage generator set high load limit value module (010), a first minimum value selection module (024) and an energy storage generator set power given power module (026); The input end of the second adding module (022) is connected to the output end of the fifth switching module (021) and the output end of the energy storage frequency modulation power value module (001), the input end of the first maximum value selection module (023) is connected to the output end of the second adding module (022) and the output end of the energy storage generator set low load limit value module (009), the input end of the first minimum value selection module (024) is connected to the output end of the first maximum value selection module (023) and the output end of the energy storage generator set high load limit value module (010), and the output end of the first minimum value selection module (024) is connected to the energy storage generator set power setting power module (026).

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