Control system and method for energy storage generator set in primary frequency modulation mode

Abstract

The invention discloses a control system and method for an energy storage generator set in a primary frequency modulation mode, and the input end of a control module is connected with an energy storage generator frequency input module, a DEH rotating speed module, an energy storage turbine remote control mode module, and an energy storage generator set power optimization module. The output end of the control module is connected with the energy storage generator frequency output module, the energy storage primary frequency modulation action module, the energy storage primary frequency modulation correction module and the energy storage unit primary frequency modulation input / output module, the system and the method can quickly respond to frequency change, and meanwhile, the high efficiency and the reliability of the energy storage system when participating in primary frequency modulation are ensured.

Description

Technical Field

[0001] The present invention belongs to the field of intelligent control of generator sets, and relates to a control system and method for an energy storage generator set in a primary frequency modulation mode. Background Art

[0002] The control method of energy storage generator sets in primary frequency regulation mode mainly involves how to respond to changes in grid frequency through energy storage systems to maintain the stability of the power system. At present, there is a lack of comprehensive control strategies and a comprehensive control framework, which requires rapid response to frequency changes while taking into account the monitoring and management of the internal state of the energy storage system to ensure the efficiency and reliability of the energy storage system when participating in primary frequency regulation. 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 a primary frequency regulation mode of an energy storage generator set, which can respond quickly to frequency changes while ensuring the efficiency and reliability of the energy storage system when participating in primary frequency regulation.

[0004] To achieve the above-mentioned purpose, the present invention discloses a control system in a primary frequency modulation mode of an energy storage generator set, comprising an energy storage generator frequency input module, a DEH speed module, an energy storage turbine remote control mode module, an energy storage generator set power optimization module, a control module, an energy storage generator frequency output module, an energy storage primary frequency modulation action module, an energy storage primary frequency modulation correction module and an energy storage unit primary frequency modulation input / exit module;

[0005] The input end of the control module is connected to the energy storage generator frequency input module, the DEH speed module, the energy storage turbine remote control mode module, and the energy storage generator set power optimization module, and the output end of the control module is connected to the energy storage generator frequency output module, the energy storage primary frequency regulation action module, the energy storage primary frequency regulation correction module and the energy storage unit primary frequency regulation entry / exit module.

[0006] Further, the control module includes a first multiplication module, a first switching module, a second multiplication module, a first limiting module, a first quality judgment module, a first subtraction module, a first function conversion module, a second switching module, a second limiting module, a first comparison and limitation module, a first and module, a first SR module, a first rate limiting module, a second comparison and limitation module, a first negation module and a second negation module;

[0007] The energy storage generator frequency input module is connected to the pv1 end of the first switching module via the first multiplication module, the DEH speed module is connected to the pv2 end of the first switching module, the DEH speed module is connected to the s end of the first switching module via the first quality judgment module, the output end of the first switching module is connected to the energy storage generator frequency output module via the second multiplication module and the first limiting module, and the output end of the first switching module is connected to the pv1 end of the second switching module via the first subtraction module and the first function conversion module;

[0008] The energy storage turbine remote control mode module is connected to the input end of the first AND module, the energy storage turbine remote control mode module is connected to the R end of the first SR module via the second NON module, the energy storage generator set power optimization module is connected to the input end of the first AND module via the second comparison and limitation module and the first NON module, the output end of the first AND module is connected to the S end of the first SR module, the output end of the first SR module is connected to the energy storage unit primary frequency regulation input / exit module, the S end of the first rate limiting module and the S end of the second switching module, the output end of the second switching module is connected to the input end of the first comparison and limitation module and the I end of the first rate limiting module via the second amplitude limiting module, the output end of the first comparison and limitation module is connected to the I end of the first rate limiting module, the output end of the first rate limiting module is connected to the energy storage primary frequency regulation correction module, and the output end of the second amplitude limiting module is connected to the energy storage primary frequency regulation action module via the first comparison and limitation module.

[0009] The present invention discloses a control method for an energy storage generator set in a primary frequency modulation mode, comprising the following steps:

[0010] Calculate the frequency of the energy storage generator;

[0011] Determine the primary frequency modulation action of energy storage;

[0012] Calculate the energy storage primary frequency modulation correction;

[0013] Determine the primary frequency regulation input / output of the energy storage unit.

[0014] Furthermore, the process of calculating the frequency of the energy storage generator is:

[0015] The collected energy storage generator frequency signal is multiplied by the built-in constant of the first multiplication module, and then input into the Pv1 terminal of the first switching module. When the output value of the DEH speed module is 0 after being passed through the first quality judgment module, the first switching module outputs the output value of the first multiplication module. When the output value of the DEH speed module is 1 after being passed through the first quality judgment module, the first switching module outputs the output value of the DEH speed module. The output value of the first switching module is multiplied by the built-in constant K1 of the first multiplication module, and then adjusted by the limiting module of the first limiting module to obtain the frequency of the energy storage generator.

[0016] Furthermore, K1=0.016667.

[0017] Furthermore, the process of determining the energy storage primary frequency modulation action is:

[0018] When the energy storage primary frequency modulation action module is 1, it is determined that this is the energy storage primary frequency modulation action; the output value of the energy storage generator frequency input module is multiplied by the built-in constant K2 of the first multiplication module, and then input to the Pv1 end of the first switching module. When the output value of the DEH speed module is 0 after the first quality judgment module, the first switching module outputs the output value of the first multiplication module. When the output value of the DEH speed module is 1 after the first quality judgment module, the first switching module outputs the output value of the DEH speed module; the output value of the first switching module is subtracted from the built-in constant K3 of the first subtraction module, and then after passing through the first function conversion module, the second limiting module and the first comparison and limiting module, the energy storage primary frequency modulation action is obtained.

[0019] Furthermore, K2=60; K3=3000.

[0020] Furthermore, the process of calculating the energy storage primary frequency modulation correction is:

[0021] The output value of the energy storage generator frequency input module is multiplied by the built-in constant K4 of the first multiplication module and input into the Pv1 end of the first switching module. When the output value of the DEH speed module is 0 after being passed through the first quality judgment module, the first switching module outputs the output value of the first multiplication module. When the output value of the DEH speed module is 1 after being passed through the first quality judgment module, the first switching module outputs the output value of the DEH speed module. The output value of the first switching module is subtracted from the built-in constant K5 of the first subtraction module, and then after passing through the first function conversion module, the second limiting module and the first rate limiting module, the energy storage primary frequency correction is obtained.

[0022] Furthermore, K4=60; K5=3000.

[0023] Furthermore, the process of determining whether the energy storage unit is switched on or off for primary frequency regulation is as follows:

[0024] When the output value of the energy storage unit primary frequency regulation input / exit module is 1, it is determined that the energy storage unit is in primary frequency regulation input / exit at this time; when the output of the energy storage turbine remote control mode module is 1, the energy storage unit is in primary frequency regulation input at this time; when the output of the energy storage turbine remote control mode module is 0, the energy storage unit is in primary frequency regulation exit at this time

[0025] The present invention has the following beneficial effects:

[0026] The control system and method of the energy storage generator set in the primary frequency modulation mode described in the present invention, during specific operation, covers the different functions of the system, and ultimately serves the primary frequency modulation mode of the energy storage generator set, ensuring the safe and efficient operation of the system. Specifically, the present invention uses the energy storage generator frequency, DEH speed, energy storage turbine remote control mode, energy storage generator set power optimization, etc. as calculation and determination of the energy storage generator frequency, energy storage primary frequency modulation action, energy storage primary frequency modulation correction, energy storage unit primary frequency modulation input / exit, to meet the flexible allocation of control in the primary frequency modulation mode of the energy storage generator set, and ensure the efficiency and reliability of the energy storage system when participating in the primary frequency modulation. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] 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:

[0028] Figure 1 It is a schematic diagram of the present invention.

[0029] Figure 2 This is the frequency change diagram of the energy storage generator set.

[0030] Among them, 001 is the energy storage generator frequency input module, 002 is the DEH speed module, 003 is the energy storage turbine remote control mode module, 004 is the energy storage generator set power optimization module, 005 is the first multiplication module, 006 is the first switching module, 007 is the second multiplication module, 008 is the first limiting module, 009 is the first quality judgment module, 010 is the first subtraction module, 011 is the first function conversion module, 012 is the second switching module, 013 is the second limiting module, 014 is the first comparison limit module, 015 is the first and module, 016 is the first SR module, 017 is the first rate limit module, 018 is the second comparison limit module, 019 is the first non-module, 020 is the second non-module, 021 is the energy storage generator frequency output module, 022 is the energy storage primary frequency regulation action module, 023 is the energy storage primary frequency regulation correction module, and 024 is the energy storage unit primary frequency regulation entry / exit module. DETAILED DESCRIPTION

[0031] 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.

[0032] 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.

[0033] 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.

[0034] 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.

[0035] 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.

[0036] 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.

[0037] 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.

[0038] 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.

[0039] refer to Figure 1 The control system of the energy storage generator set in the primary frequency regulation mode of the present invention comprises an energy storage generator frequency input module 001, a DEH speed module 002, an energy storage turbine remote control mode module 003, an energy storage generator set power optimization module 004, a first multiplication module 005, a first switching module 006, a second multiplication module 007, a first limit module 008, a first quality judgment module 009, a first subtraction module 010, a first function conversion module 011, a second switching module 012, a second limit module 013, a first comparison and limitation module 014, a first and module 015, a first SR module 016, a first rate limit module 017, a second comparison and limitation module 018, a first negation module 019, a second negation module 020, an energy storage generator frequency output module 021, an energy storage primary frequency regulation action module 022, an energy storage primary frequency regulation correction module 023 and an energy storage unit primary frequency regulation input / exit module 024;

[0040] The energy storage generator frequency input module 001 is connected to the pv1 end of the first switching module 006 via the first multiplication module 005, the DEH speed module 002 is connected to the pv2 end of the first switching module 006, the DEH speed module 002 is connected to the s end of the first switching module 006 via the first quality judgment module 009, the output end of the first switching module 006 is connected to the energy storage generator frequency output module 021 via the second multiplication module 007 and the first limiting module 008, and the output end of the first switching module 006 is connected to the pv1 end of the second switching module 012 via the first subtraction module 010 and the first function conversion module 011.

[0041] The energy storage turbine remote control mode module 003 is connected to the input end of the first AND module 015, and the energy storage turbine remote control mode module 003 is connected to the R end of the first SR module 016 via the second non-module 020. The energy storage generator power optimization module 004 is connected to the input end of the first AND module 015 via the second comparison and limitation module 018 and the first non-module 019. The output end of the first AND module 015 is connected to the S end of the first SR module 016, and the output end of the first SR module 016 is connected to the energy storage unit primary frequency modulation input / exit module 024 and the first rate limiting module 024. The S end of the module 017 is connected to the S end of the second switching module 012, the output end of the second switching module 012 is connected to the input end of the first comparison and limitation module 014 and the I end of the first rate limiting module 017 via the second limiting module 013, the output end of the first comparison and limitation module 014 is connected to the I end of the first rate limiting module 017, the output end of the first rate limiting module 017 is connected to the energy storage primary frequency modulation correction module 023, and the output end of the second limiting module 013 is connected to the energy storage primary frequency modulation action module 022 via the first comparison and limitation module 014.

[0042] This embodiment discloses a control method for an energy storage generator set in a primary frequency modulation mode. The control method for the energy storage generator set in the primary frequency modulation mode is implemented based on the control system of the energy storage generator set in the primary frequency modulation mode. The control system of the energy storage generator set in the primary frequency modulation mode includes an energy storage generator frequency input module 001, a DEH speed module 002, an energy storage turbine remote control mode module 003, an energy storage generator set power optimization module 004, a first multiplication module 005, a first switching module 006, a second multiplication module 007, and a first limiting module 008. 8. The first quality judgment module 009, the first subtraction module 010, the first function conversion module 011, the second switching module 012, the second amplitude limiting module 013, the first comparison and limitation module 014, the first and module 015, the first SR module 016, the first rate limiting module 017, the second comparison and limitation module 018, the first negation module 019, the second negation module 020, the energy storage generator frequency output module 021, the energy storage primary frequency regulation action module 022, the energy storage primary frequency regulation correction module 023 and the energy storage unit primary frequency regulation input / exit module 024.

[0043] Specifically, the control method of the energy storage generator set in the primary frequency modulation mode of the present invention comprises the following steps:

[0044] 1) It is necessary to calculate the frequency of the energy storage generator, multiply the collected frequency signal of the energy storage generator by the built-in constant 60 of the first multiplication module 005, and then input it into the Pv1 end of the first switching module 006. When the output value of the DEH speed module 002 is 0 after the first quality judgment module 009, the first switching module 006 outputs the output value of the first multiplication module 005. When the output value of the DEH speed module 002 is 1 after the first quality judgment module 009, the first switching module 006 outputs the output value of the DEH speed module 002; multiply the output value of the first switching module 006 by the built-in constant 0.016667 of the first multiplication module 007, and then adjust the amplitude by the first amplitude limiting module 008 to obtain the frequency of the energy storage generator.

[0045] In the second step, when the energy storage primary frequency modulation action module 022 is 1, it is determined that this is an energy storage primary frequency modulation action; the output value of the energy storage generator frequency input module 001 is multiplied by the built-in constant 60 of the first multiplication module 005, and then input to the Pv1 end of the first switching module 006; when the output value of the DEH speed module 002 is 0 after the first quality judgment module 009, the first switching module 006 outputs the output value after the first multiplication module 005; when the output value of the DEH speed module 002 is 1 after the first quality judgment module 009, the first switching module 006 outputs the output value of the DEH speed module 002; the output value of the first switching module 006 is subtracted from the built-in constant 3000 of the first subtraction module 010, and then after passing through the first function conversion module 011, the second limiting module 013 and the first comparison and limiting module 014, the energy storage primary frequency modulation action is obtained.

[0046] The third step is to calculate the energy storage primary frequency correction. The output value of the energy storage generator frequency input module 001 is multiplied by the built-in constant 60 of the first multiplication module 005, and input into the Pv1 end of the first switching module 006. When the output value of the DEH speed module 002 is 0 after the first quality judgment module 009, the first switching module 006 outputs the output value of the first multiplication module 005. When the output value of the DEH speed module 002 is 1 after the first quality judgment module 009, the first switching module 006 outputs the output value of the DEH speed module 002. Subtract the output value of the first switching module 006 from the built-in constant 3000 of the first subtraction module 010, and then after passing through the first function conversion module 011, the second limiting module 013 and the first rate limiting module 017, the energy storage primary frequency correction is obtained.

[0047] The fourth step is that when the output value of the energy storage unit primary frequency regulation input / exit module 024 is 1, it is determined that this is the time when the energy storage unit is in the primary frequency regulation input / exit state; when the output of the energy storage turbine remote control mode module 003 is 1, this is the time when the energy storage unit is in the primary frequency regulation input state; when the output of the energy storage turbine remote control mode module 003 is 0, this is the time when the energy storage unit is in the primary frequency regulation exit state.

[0048] Embodiment 1

[0049] Through the present invention and application, the frequency variation range of the energy storage generator set is stabilized within the time range of 2:00-3:00, and the control effect is good. The results are as follows: Figure 2 shown.

[0050] 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 is indicated by the following claims.

[0051] 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.

[0052] 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 control system for an energy storage generator set in primary frequency modulation mode, characterized in that: It includes an energy storage generator frequency input module (001), a DEH speed module (002), an energy storage turbine remote control mode module (003), an energy storage generator set power optimization module (004), a control module, an energy storage generator frequency output module (021), an energy storage primary frequency regulation action module (022), an energy storage primary frequency regulation correction module (023) and an energy storage unit primary frequency regulation input / exit module (024); The input end of the control module is connected to the energy storage generator frequency input module (001), the DEH speed module (002), the energy storage turbine remote control mode module (003), and the energy storage generator set power optimization module (004), and the output end of the control module is connected to the energy storage generator frequency output module (021), the energy storage primary frequency regulation action module (022), the energy storage primary frequency regulation correction module (023) and the energy storage unit primary frequency regulation entry / exit module (024).

2. The control system of the energy storage generator set in the primary frequency modulation mode according to claim 1 is characterized in that: The control module comprises a first multiplication module (005), a first switching module (006), a second multiplication module (007), a first limiting module (008), a first quality judgment module (009), a first subtraction module (010), a first function conversion module (011), a second switching module (012), a second limiting module (013), a first comparison and limitation module (014), a first and module (015), a first SR module (016), a first rate limiting module (017), a second comparison and limitation module (018), a first negation module (019) and a second negation module (020); The energy storage generator frequency input module (001) is connected to the pv1 end of the first switching module (006) via the first multiplication module (005), the DEH rotation speed module (002) is connected to the pv2 end of the first switching module (006), the DEH rotation speed module (002) is connected to the s end of the first switching module (006) via the first quality judgment module (009), the output end of the first switching module (006) is connected to the energy storage generator frequency output module (021) via the second multiplication module (007) and the first limit module (008), and the output end of the first switching module (006) is connected to the pv1 end of the second switching module (012) via the first subtraction module (010) and the first function conversion module (011); The energy storage turbine remote control mode module (003) is connected to the input end of the first AND module (015), the energy storage turbine remote control mode module (003) is connected to the R end of the first SR module (016) via the second NON module (020), the energy storage generator set power optimization module (004) is connected to the input end of the first AND module (015) via the second comparison and limitation module (018) and the first NON module (019), the output end of the first AND module (015) is connected to the S end of the first SR module (016), the output end of the first SR module (016) is connected to the energy storage unit primary frequency modulation input / exit module (024, the first rate limiting module The S end of the block (017) is connected to the S end of the second switching module (012), the output end of the second switching module (012) is connected to the input end of the first comparison and limitation module (014) and the I end of the first rate limiting module (017) via the second limit module (013), the output end of the first comparison and limitation module (014) is connected to the I end of the first rate limiting module (017), the output end of the first rate limiting module (017) is connected to the energy storage primary frequency modulation correction module (023), and the output end of the second limit module (013) is connected to the energy storage primary frequency modulation action module (022) via the first comparison and limitation module (014).

3. A control method for an energy storage generator set in a primary frequency modulation mode, characterized in that: The control system of the energy storage generator set in the primary frequency modulation mode according to claim 2 comprises the following steps: Calculate the frequency of the energy storage generator; Determine the primary frequency modulation action of energy storage; Calculate the energy storage primary frequency modulation correction; Determine the primary frequency regulation input / output of the energy storage unit.

4. The control method of the energy storage generator set in the primary frequency modulation mode according to claim 3 is characterized in that: The process of calculating the frequency of the energy storage generator is: The collected energy storage generator frequency signal is multiplied by the built-in constant of the first multiplication module (005), and then input into the Pv1 end of the first switching module (006); when the output value of the DEH rotation speed module (002) is 0 after being passed through the first quality judgment module (009), the first switching module (006) outputs the output value of the first multiplication module (005); when the output value of the DEH rotation speed module (002) is 1 after being passed through the first quality judgment module (009), the first switching module (006) outputs the output value of the DEH rotation speed module (002); the output value of the first switching module (006) is multiplied by the built-in constant K1 of the first multiplication module (007), and then adjusted by the limiting module (008) to obtain the frequency of the energy storage generator.

5. The control method of the energy storage generator set in the primary frequency modulation mode according to claim 4, characterized in that: K1＝0.016667。 6. The control method of the energy storage generator set in the primary frequency modulation mode according to claim 3, characterized in that: The process of determining the energy storage primary frequency modulation action is: When the energy storage primary frequency modulation action module (022) is 1, it is determined that this is the energy storage primary frequency modulation action; the output value of the energy storage generator frequency input module (001) is multiplied by the built-in constant K2 of the first multiplication module (005), and then input to the Pv1 end of the first switching module (006); when the output value of the DEH speed module (002) is 0 after the first quality judgment module (009), the first switching module (006) outputs the output value of the first multiplication module (005); when the output value of the DEH speed module (002) is 1 after the first quality judgment module (009), the first switching module (006) outputs the output value of the DEH speed module (002); the output value of the first switching module (006) is subtracted from the built-in constant K3 of the first subtraction module (010), and then after passing through the first function conversion module (011), the second limiting module (013) and the first comparison and limiting module (014), the energy storage primary frequency modulation action is obtained.

7. The control method of the energy storage generator set in the primary frequency modulation mode according to claim 6, characterized in that: K2=60; K3=3000.

8. The control method of the energy storage generator set in the primary frequency modulation mode according to claim 3, characterized in that: The process of calculating the energy storage primary frequency modulation correction is: The output value of the energy storage generator frequency input module (001) is multiplied by the built-in constant K4 of the first multiplication module (005), and the result is input to the Pv1 end of the first switching module (006); when the output value of the DEH rotation speed module (002) is 0 after being passed through the first quality judgment module (009), the first switching module (006) outputs the output value of the first multiplication module (005); when the output value of the DEH rotation speed module (002) is 1 after being passed through the first quality judgment module (009), the first switching module (006) outputs the output value of the DEH rotation speed module (002); the output value of the first switching module (006) is subtracted from the built-in constant K5 of the first subtraction module (010), and then after passing through the first function conversion module (011), the second amplitude limiting module (013) and the first rate limiting module (017), the energy storage primary frequency modulation correction is obtained.

9. The control method of the energy storage generator set in the primary frequency modulation mode according to claim 8, characterized in that: K4=60; K5=3000.

10. The control method of the energy storage generator set in the primary frequency modulation mode according to claim 3, characterized in that: The process of determining the energy storage unit primary frequency regulation input / output is as follows: When the output value of the energy storage unit primary frequency regulation input / exit module (024) is 1, it is determined that the energy storage unit is in the primary frequency regulation input / exit state at this time; when the output of the energy storage turbine remote control mode module (003) is 1, the energy storage unit is in the primary frequency regulation input state at this time; when the output of the energy storage turbine remote control mode module (003) is 0, the energy storage unit is in the primary frequency regulation exit state at this time.

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