A method, device, and dielectric for regulating the current of a modular power supply.

Abstract

The embodiment of the application discloses a current regulating method and device of a modular power supply and a medium, and is used in the technical field of modular power supply. In the embodiment of the application, the target power module with a failed fan feeds a first current signal greater than the load current borne by the target power module to the current sharing control system, and the other power modules feed second current signals of the load currents borne by the other power modules to the current sharing control system; based on the first current signal and the second current signal, the current sharing control system controls the load currents borne by the target power module and the other power modules to share, can evenly distribute the load current that needs to be reduced in the target power module among the target power module and the other power modules, and can effectively avoid the load current finally borne by the other power modules exceeding the corresponding load threshold, thereby avoiding affecting the load capacity of the modular power supply.

Description

Technical Field

[0001] This application relates to the field of modular power supply technology, and in particular to a current regulation method, current regulation device and medium for a modular power supply. Background Technology

[0002] In existing modular power supplies, the power section is made into individual power modules, and each power module is connected in parallel for output. In this case, the entire modular power supply is composed of stacked power modules, such as modular UPS power supplies and modular voltage regulators.

[0003] In modular power supplies, the higher the load current carried by the power module during operation, the greater the heat generated. Currently, power modules are typically equipped with fans for heat dissipation. The more fans operating normally in a power module, the higher its heat dissipation capacity and the higher the load current it can handle. However, if any fan in the power module fails, its heat dissipation capacity decreases, leading to a reduction in the load current it can carry.

[0004] Currently, when a target power module in a modular power supply fails, the current of the modular power supply is regulated. This involves reducing the load current of the target power module to the target current value and directly increasing the load current of other power modules in the modular power supply to the target current value. However, when the target current value is large, directly increasing the load current of other power modules to the target current value can easily cause the load current of other power modules to exceed the corresponding load threshold, leading to abnormalities in other power modules and affecting the load-carrying capacity of the modular power supply. Summary of the Invention

[0005] This application provides a current regulation method, current regulation device, and medium for a modular power supply, which can effectively prevent the load current of other power modules from exceeding the corresponding load threshold and avoid affecting the load capacity of the modular power supply.

[0006] This application provides a current regulation method for a modular power supply. The modular power supply includes multiple power modules connected to a current sharing control system. The current sharing control system is used to share the load current of the multiple power modules so that the load current of the multiple power modules is the same. The method includes:

[0007] During the operation of the modular power supply, when the fan of the target power module among the multiple power modules fails, the target power module is controlled to feed back a first current signal to the current sharing control system that is greater than the load current of the target power module.

[0008] Control the other power modules among the plurality of power modules to feed back the second current signal of the load current carried by the other power modules to the current sharing control system;

[0009] Based on the first current signal and the second current signal, the current sharing control system adjusts the load current of the target power module and the load current of the other power modules.

[0010] Furthermore, when the target power module has multiple fans, controlling the target power module to feed back a first current signal to the current sharing control system that is greater than the load current of the target power module includes:

[0011] The target current value of the first current signal is determined based on the number of failed wind turbines in the target power module, and the target current value is greater than the load current of the target power module.

[0012] The target power module is controlled to feed back the first current signal with the target current value to the current sharing control system.

[0013] Furthermore, determining the target current value of the first current signal based on the number of failed wind turbines in the target power module includes:

[0014] Determine the ratio of the number of failed wind turbines to the total number of wind turbines, and subtract the ratio from 1 to obtain the target ratio;

[0015] Divide the load current value of the target power module by the target ratio to obtain the target current value of the first current signal.

[0016] Furthermore, when the target power module has only one fan, controlling the target power module to feed back a first current signal to the current sharing control system that is greater than the load current carried by the target power module includes:

[0017] Increase the load current value of the target power module by a preset ratio to obtain the target current value of the first current signal;

[0018] The target power module is controlled to feed back the first current signal with the target current value to the current sharing control system.

[0019] Furthermore, the step of controlling the current sharing control system to adjust the load current of the target power module and the load current of the other power modules based on the first current signal and the second current signal includes:

[0020] The current sharing control system is controlled by adding the target current value of the first current signal and the target current value of the second current signal and averaging them to obtain the average current value.

[0021] Determine a first current difference between the target current value and the average current value of the first current signal, and a second current difference between the target current value and the average current value of the second current signal;

[0022] The load current of the target power module is reduced by the first current difference, and the load current of the other power modules is increased by the second current difference.

[0023] Furthermore, after controlling the current sharing control system to adjust the load current of the target power module and the load current of the other power modules based on the first current signal and the second current signal, the method further includes:

[0024] The target power module is controlled to feed back a third current signal to the current sharing control system, which is greater than the current load current carried by the target power module.

[0025] Control the other power modules among the plurality of power modules to feed back the fourth current signal of the current load current of the other power modules to the current sharing control system;

[0026] Based on the third current signal and the fourth current signal, the current sharing control system is controlled to adjust the current load current of the target power module and the current load current of the other power modules.

[0027] Furthermore, after controlling the current sharing control system to adjust the load current of the target power module and the load current of the other power modules based on the first current signal and the second current signal, the method further includes:

[0028] Obtain the first total current value of the current load current of the target power module and the current load current of the other power modules, and the second total current value of the load current of the multiple power modules;

[0029] Based on the proportion of the current load current of the target power module to the first total current value, and the second total current value, the current load current of the target power module is adjusted to the first load current.

[0030] Based on the proportion of the current load current of the other power modules to the first total current value, and the second total current value, the current load current of the other power modules is adjusted to the second load current; wherein, the first load current plus the second load current is the second total current value.

[0031] Furthermore, the method also includes:

[0032] The fan parameters of the power module in the modular power supply are sampled using a sampling board;

[0033] The power module determines whether the fan has failed based on the sampled fan parameters.

[0034] This application embodiment also provides a current regulation device for a modular power supply. The modular power supply includes multiple power modules, which are connected to a current sharing control system. The current sharing control system is used to share the load current of the multiple power modules so that the load current of the multiple power modules is the same. The current regulation device includes:

[0035] The first control unit is used to, during the operation of the modular power supply, when the fan of the target power module among the plurality of power modules fails, control the target power module to feed back a first current signal to the current sharing control system that is greater than the load current of the target power module.

[0036] The second control unit is used to control other power modules among the plurality of power modules to feed back a second current signal of the load current carried by the other power modules to the current sharing control system.

[0037] An execution unit is configured to control the current sharing control system to adjust the load current of the target power module and the load current of the other power modules based on the first current signal and the second current signal.

[0038] This application also provides a computer-readable storage medium including instructions that, when executed on a computer, cause the computer to perform the method described above.

[0039] As can be seen from the above technical solutions, the embodiments of this application have the following advantages:

[0040] As can be seen, in this embodiment, by controlling the target power module that has failed to power the fan to feed back a first current signal to the current sharing control system that is greater than the load current of the target power module, and controlling other power modules to feed back a second current signal that is the load current of the other power modules to the current sharing control system; based on the first current signal and the second current signal, the current sharing control system is controlled to share the load current of the target power module and other power modules, which can evenly distribute the load current that needs to be reduced in the target power module among the target power module and other power modules, effectively preventing the load current of other power modules from exceeding the corresponding load threshold and avoiding affecting the load capacity of the modular power supply. Attached Figure Description

[0041] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments recorded in this application. For those skilled in the art, other drawings can be obtained based on these drawings.

[0042] Figure 1 This is a flowchart illustrating the current regulation process of a modular power supply disclosed in an embodiment of this application.

[0043] Figure 2 This is a flowchart illustrating the current regulation of another modular power supply disclosed in an embodiment of this application;

[0044] Figure 3 This is a diagram of a current regulation device for a modular power supply disclosed in an embodiment of this application;

[0045] Figure 4 This is a diagram of a current regulation device for another modular power supply disclosed in an embodiment of this application. Detailed Implementation

[0046] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present application.

[0047] In the description of the embodiments of this application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this application.

[0048] In the description of the embodiments of this application, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this application based on the specific circumstances.

[0049] Existing methods, when a target power module in a modular power supply experiences a fan failure, involve current regulation. This involves reducing the load current of the target power module to the target current value and directly increasing the load current of other power modules in the modular power supply to the target current value. However, when the target current value is large, directly increasing the load current of other power modules can easily cause their final load current to exceed their corresponding load threshold, leading to malfunctions in these modules and affecting the load capacity of the modular power supply. Therefore, this application provides a current regulation method for a modular power supply that effectively prevents the final load current of other power modules from exceeding their corresponding load threshold, thus avoiding impact on the load capacity of the modular power supply. Figure 1 As shown, the specific steps include the following:

[0050] 101. Control the target power module and feed back a first current signal to the current sharing control system that is greater than the load current carried by the target power module.

[0051] In this embodiment, the modular power supply can be a modular UPS power supply or a modular regulated power supply; the specific type is not limited here. The modular power supply includes multiple power modules, which can be understood as a modular unit corresponding to the power supply. The multiple power modules of the modular power supply are connected to a current sharing control system. The current sharing control system is used to share the load current of the multiple power modules, ensuring that the load current of each power module is the same. That is, when the modular power supply starts up, the load current of each power module in the modular power supply is the same through the current sharing effect of the current sharing control system.

[0052] In this embodiment of the application, during the operation of the modular power supply, when the fan of a target power module among multiple power modules fails (i.e., the fan cannot dissipate heat normally due to malfunction or other reasons), the target power module is controlled to feed back a first current signal to the current sharing control system that is greater than the load current carried by the target power module. It is understood that when the fan in the target power module fails, the heat dissipation capacity of the target power module decreases, and the load current (load-carrying capacity) that the target power module can withstand also decreases. At this time, it is necessary to reduce the load current carried by the target power module. In this embodiment of the application, by controlling the target power module to feed back a first current signal with a target current value greater than the actual load current carried by the target power module to the current sharing control system, the current sharing control system, upon receiving the first current signal, can reduce the load current of the target power module during the current sharing process based on the target current value of the first current signal.

[0053] Understandably, the more failed fans in the target power module, the greater the required reduction in load current (i.e., derating) in the target power module, and the larger the target current value of the first current signal. For example, when one fan in the target power module fails, the load current needs to be reduced by A%, and when two fans fail, the load current needs to be reduced by B%, where B% is greater than A%. When there are multiple target power modules, i.e., multiple power modules in the modular power supply have failed fans, each target power module can feed back a first current signal to the current sharing control system that is greater than the actual load current of the target power module, so that the load current of multiple target power modules can be reduced through the current sharing control system.

[0054] 102. Control other power modules among multiple power modules and feed back the second current signal of the load current carried by the other power modules to the current sharing control system.

[0055] In this embodiment, other power modules among multiple power modules can be controlled to feed back a second current signal indicating the load current of the other power modules to the current sharing control system. These other power modules are those without fan failure. These other power modules can be controlled to feed back a second current signal indicating the actual load current of the other power modules to the current sharing control system. It is understood that when the modular power supply starts up, due to the current sharing effect of the current sharing control system, the actual load current of the target power module is the same as the actual load current of the other power modules. The first current signal is a current signal whose target current value is greater than the load current of the target power module; that is, the target current value of the first current signal is greater than the target current value of the second current signal.

[0056] 103. Based on the first current signal and the second current signal, the current sharing control system adjusts the load current of the target power module and the load current of other power modules.

[0057] In this embodiment, the current sharing control system can adjust the load current of the target power module and the load current of other power modules based on the first current signal and the second current signal. It is understood that when the current sharing control system receives the first current signal and the second current signal, because the target current value of the first current signal is greater than the target current value of the second current signal, in order to achieve current sharing between the target power module and other power modules, it will reduce the load current of the target power module and increase the load current of the other power modules.

[0058] By controlling the target power module to feed back a first current signal that is greater than the load current it carries to the current sharing control system, the current sharing control system can distribute the load current that needs to be reduced evenly among the target power module and other power modules when the fan of the target power module fails, effectively preventing the load current carried by other power modules from exceeding the corresponding load threshold.

[0059] As can be seen, in this embodiment, by controlling the target power module that has failed to power the fan to feed back a first current signal to the current sharing control system that is greater than the load current of the target power module, and controlling other power modules to feed back a second current signal that is the load current of the other power modules to the current sharing control system; based on the first current signal and the second current signal, the current sharing control system is controlled to share the load current of the target power module and other power modules, which can evenly distribute the load current that needs to be reduced in the target power module among the target power module and other power modules, effectively preventing the load current of other power modules from exceeding the corresponding load threshold and avoiding affecting the load capacity of the modular power supply.

[0060] Furthermore, the current regulation process of the modular power supply in the embodiments of this application will be described in detail below, such as... Figure 2 As shown, the specific steps are as follows:

[0061] 201. Determine whether the power module's fan has failed based on the fan parameters obtained from sampling.

[0062] In this embodiment, before regulating the current of the modular power supply, it is necessary to determine whether the fan of the power module of the modular power supply has failed. Specifically, the fan parameters of the power module in the modular power supply can be sampled using a sampling board. These fan parameters can be parameters such as the fan's voltage, current, and operating power, etc., which are not specifically limited here. The corresponding sampling board can be a voltage sensor or a current sensor, etc., which are not specifically limited here. The failure of the power module's fan is determined based on the sampled fan parameters. That is, the sampled fan parameters can be compared with the parameter range when the fan is operating normally. If the sampled fan parameters are within the parameter range, it is determined that the fan of the power module has not failed; if the sampled fan parameters are not within the parameter range, it is determined that the fan of the power module has failed; thus, the target power module with a failed fan is identified.

[0063] 202. When the target power module has multiple fans, the target current value of the first current signal is determined based on the number of failed fans in the target power module.

[0064] In this embodiment of the application, each power module of the modular power supply has multiple fans, that is, the target power module has multiple fans, and there are fan failures in the target power module; at this time, the target current value of the first current signal can be determined based on the number of failed fans in the target power module, and the target current value is greater than the current value of the load current of the target power module.

[0065] Specifically, the ratio of the number of failed wind turbines to the total number of wind turbines can be determined, and the target ratio can be obtained by subtracting the ratio from 1. The target current value of the load current of the target power module can be divided by the target ratio to obtain the target current value of the first current signal. It can be understood that if the target ratio is less than 1, the target current value of the first current signal obtained by dividing the load current of the target power module by the target ratio is greater than the load current of the target power module.

[0066] For example, the modular power supply contains two power modules, and each power module has two fans. The total load current of the modular power supply is 60A. Based on the current sharing function of the current sharing control system, the load current of each power module is 30A during startup. If one fan in the target power module fails, the target current value of the first current signal is determined to be 30 / (1-50%)A.

[0067] 203. When the target power module has only one fan, increase the current value of the load current of the target power module by a preset ratio to obtain the target current value of the first current signal.

[0068] Furthermore, in this embodiment of the application, each power module of the modular power supply may have only one fan, that is, the target power module has only one fan, and there is a fan failure in the target power module; at this time, the current value of the load current of the target power module can be increased by a preset ratio to obtain the target current value of the first current signal, so that the target current value of the first current signal is greater than the current value of the load current of the target power module.

[0069] It is understandable that when the target power module only carries one fan and the fan fails, the target module can still carry a small portion of the load current. In this case, the load current carried by the target power module needs to be significantly reduced. Therefore, preferably, the preset ratio is relatively large, such as 80% or 85%, which is not limited here; in order to significantly reduce the load current carried by the target power module.

[0070] It is understandable that steps 202 and 203 can be selected and executed based on the number of fans connected to the target power module.

[0071] 204. Control the target power module to feed back the first current signal with the target current value to the current sharing control system.

[0072] Once the target current value of the first current signal is determined, the target power module can be controlled to feed back the first current signal with the target current value to the current sharing control system, so that the current sharing control system can reduce the load current of the target power module based on the first current signal.

[0073] 205. Control other power modules among multiple power modules and feed back the second current signal of the load current of the other power modules to the current sharing control system.

[0074] It is understandable that step 205 is similar to step 102 above, and the specifics will not be repeated here.

[0075] 206. The current sharing control system adjusts the load current of the target power module and the load current of other power modules based on the average current value of the first current signal and the second current signal.

[0076] In this embodiment, the current sharing control system can be controlled to adjust the load current of the target power module and the load current of other power modules based on the average current value of the first current signal and the second current signal. Specifically, the current sharing control system can be controlled to add the target current value of the first current signal and the target current value of the second current signal and then average them to obtain the average current value; determine the first current difference between the target current value of the first current signal and the average current value, and the second current difference between the target current value of the second current signal and the average current value; reduce the load current of the target power module by the first current difference, and increase the load current of the other power modules by the second current difference; at this time, when the fan fails, the load current that needs to be reduced is evenly distributed between the target power module and other power modules, avoiding the direct application of the required load current reduction to other power modules, and effectively preventing the load current of other power modules from exceeding the corresponding load threshold.

[0077] For example, the modular power supply contains two power modules, and each power module has two fans. The total load current of the modular power supply is 60A. Based on the current sharing function of the current sharing control system, the load current of each power module is 30A during startup. If one fan in the target power module fails, the target current value of the first current signal is determined to be 30 / (1-50%)A; the target power module is then controlled to feed back this first current signal to the current sharing control system. Simultaneously, the other power modules are controlled to feed back a second current signal to the current sharing control system. The target current value corresponding to this second current signal is the load current of 30A carried by the other power modules. At this time, in order to make the load current carried by each power module [(30 / (1-50%))+30] / 2A, the current sharing control system reduces the load current carried by the target power module by 30 / (1-50%)-[(30 / (1-50%))+30] / 2A, and increases the load current carried by the other power modules by [(30 / (1-50%))+30] / 2-30A.

[0078] Furthermore, after the current sharing control system adjusts the load current of the target power module and the load current of other power modules, the load current of the target power module can be further reduced to avoid overheating caused by fan failure and affect the normal use of the target power module.

[0079] Specifically, the system can control the target power module to feed back a third current signal to the current sharing control system, which is greater than the current load current of the target power module. It can also control other power modules among the multiple power modules to feed back a fourth current signal, representing their current load current, to the current sharing control system. Based on the third and fourth current signals, the system adjusts the current load current of the target power module and the current load current of the other power modules. In other words, the current sharing control system further reduces the current load current of the target power module and increases the current load current of the other power modules, thereby further reducing the load current of the target power module.

[0080] Furthermore, after the current sharing control system adjusts the load current of the target power module and the load current of other power modules, it can ensure that the total load current of the modular power supply remains unchanged, thus avoiding affecting the use of the modular power supply.

[0081] Specifically, the system can obtain the first total current value (current load current of the target power module and current load current of other power modules) and the second total current value (current load current of multiple power modules); that is, the sum of the current load currents after current adjustment by the current sharing control system, and the total load current of the modular power supply during startup. Based on the proportion of the target power module's current load current to the first total current value and the second total current value, the target power module's current load current is adjusted to the first load current; based on the proportion of the other power modules' current load currents to the first total current value and the second total current value, the other power modules' current load currents are adjusted to the second load currents; where the first load current plus the second load current equals the second total current value. In other words, by dividing the total load current of the modular power supply according to the proportion of the target power module's current load current to the first total current value and the proportion of the other power modules' current load currents to the first total current value, the total load current of the modular power supply can remain constant even when a fan fails in one of the modular power modules.

[0082] This application also provides a current regulation device for a modular power supply, such as... Figure 3 As shown, the modular power supply includes multiple power modules, which are connected to a current sharing control system. The current sharing control system is used to share the load current of the multiple power modules, ensuring that the load current of the multiple power modules is the same. The current regulating device includes:

[0083] The first control unit 301 is used to, during the operation of the modular power supply, when the fan of the target power module among the plurality of power modules fails, control the target power module to feed back a first current signal greater than the load current of the target power module to the current sharing control system.

[0084] The second control unit 302 is used to control other power modules among the plurality of power modules to feed back a second current signal of the load current carried by the other power modules to the current sharing control system.

[0085] The execution unit 303 is used to control the current sharing control system to adjust the load current of the target power module and the load current of the other power modules based on the first current signal and the second current signal.

[0086] This application embodiment also provides a current regulating device 400 for a modular power supply, such as... Figure 4 As shown, the current regulating device 400 of this application embodiment may include one or more central processing units (CPUs) 401 and a memory 402, wherein the memory 402 stores one or more application programs or data.

[0087] The memory 402 can be volatile or persistent storage. The program stored in the memory 402 can include one or more modules, each module including a series of instruction operations on the electronic device. Furthermore, the central processing unit 401 can be configured to communicate with the memory 402 and execute the series of instruction operations stored in the memory 402 on the current regulating device 400.

[0088] The current regulating device 400 may also include one or more power supplies 405, one or more wired or wireless network interfaces 404, one or more input / output interfaces 403, and / or one or more operating systems, such as Windows Server™, Mac OS X™, Unix™, Linux™, FreeBSD™, etc.

[0089] The central processing unit 401 can perform the operations performed by the first aspect or any specific method embodiment of the first aspect, which will not be described in detail here.

[0090] This application also provides a computer-readable storage medium including instructions that, when executed on a computer, cause the computer to perform the method described above.

[0091] Those skilled in the art will clearly understand that, for the sake of convenience and brevity, the specific working processes of the systems, devices, and units described above can be referred to the corresponding processes in the foregoing method embodiments, and will not be repeated here.

[0092] In the several embodiments provided in this application, it should be understood that the disclosed systems, apparatuses, and methods can be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative; for instance, the division of units is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection between apparatuses or units through some interfaces, and may be electrical, mechanical, or other forms.

[0093] The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.

[0094] Furthermore, the functional units in the various embodiments of this application can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit. The integrated unit can be implemented in hardware or as a software functional unit.

[0095] If the integrated unit is implemented as a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, or all or part of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of this application. The aforementioned storage medium includes various media capable of storing program code, such as USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, or optical disks.

Claims

1. A method of current regulation for a modular power supply, the method comprising: The modular power supply includes a plurality of power modules connected with a current sharing control system, the current sharing control system is used for current sharing of load currents carried by the plurality of power modules, so that the load currents carried by the plurality of power modules are the same, and the method comprises: During operation of the modular power supply, when a fan of a target power module in the plurality of power modules fails, the target power module is controlled to feed back a first current signal greater than the load current carried by the target power module to the current sharing control system; Other power modules in the plurality of power modules are controlled to feed back second current signals of load currents carried by the other power modules to the current sharing control system; Based on the first current signal and the second current signal, the current sharing control system is controlled to adjust the load current carried by the target power module and the load currents carried by the other power modules; The control of the current sharing control system to add target current values of the first current signal and target current values of the second current signal and then take an average to obtain an average current value; A first current difference value between the target current value of the first current signal and the average current value and a second current difference value between the target current value of the second current signal and the average current value are determined; The load current carried by the target power module is reduced by the first current difference value, and the load currents carried by the other power modules are increased by the second current difference value; Alternatively, after the control of the current sharing control system to adjust the load current carried by the target power module and the load currents carried by the other power modules based on the first current signal and the second current signal, the method further comprises: The target power module is controlled to feed back a third current signal greater than a current load current carried by the target power module to the current sharing control system; Other power modules in the plurality of power modules are controlled to feed back fourth current signals of current load currents carried by the other power modules to the current sharing control system; Based on the third current signal and the fourth current signal, the current sharing control system is controlled to adjust the current load current carried by the target power module and the current load currents carried by the other power modules. When the target power module has a plurality of fans, the control of the target power module to feed back the first current signal greater than the load current carried by the target power module to the current sharing control system comprises:

2. The current regulation method according to claim 1, characterized in that, A target current value of the first current signal is determined based on a number of failed fans in the target power module, and the target current value is greater than a current value of the load current carried by the target power module; The target power module is controlled to feed back the first current signal with the target current value to the current sharing control system. ​ 3. The current regulation method according to claim 2, characterized in that, The method further comprises: determining a target current value of the first current signal based on a number of failed fans in the target power module includes: determining a ratio of the number of failed fans to the number of the plurality of fans, and obtaining a target ratio by subtracting the ratio from 1; 4. The current regulation method of claim 1, wherein, dividing a current value of a load current borne by the target power module by the target ratio to obtain the target current value of the first current signal. When the target power module has only one fan, the method further comprises: increasing the current value of the load current borne by the target power module by a preset proportion to obtain the target current value of the first current signal; 5. The current regulation method of claim 1, wherein, controlling the target power module to feed back the first current signal with the target current value to the current sharing control system. After the current sharing control system adjusts the load current borne by the target power module and the load current borne by the other power modules based on the first current signal and the second current signal, the method further comprises: obtaining a first total current value of the current load current borne by the target power module and the current load current borne by the other power modules, and a second total current value of the load current borne by the plurality of power modules; adjusting the current load current borne by the target power module to a first load current based on a proportion of the current load current borne by the target power module in the first total current value and the second total current value; 6. The current regulation method of claim 1, wherein, adjusting the current load current borne by the other power modules to a second load current based on a proportion of the current load current borne by the other power modules in the first total current value and the second total current value; wherein the first load current plus the second load current is the second total current value. The method further comprises: sampling fan parameters of the power modules in the modular power supply through a sampling board; 7. A current regulating device for a modular power supply, characterized by, determining whether the fans of the power modules are failed based on the sampled fan parameters. The modular power supply comprises a plurality of power modules connected with a current sharing control system, the current sharing control system being configured to share the load current borne by the plurality of power modules to make the load currents borne by the plurality of power modules the same, and the current adjustment device comprises: a first control unit configured to, when a fan of a target power module in the plurality of power modules is failed during operation of the modular power supply, control the target power module to feed back a first current signal greater than a load current borne by the target power module to the current sharing control system; a second control unit configured to control other power modules in the plurality of power modules to feed back a second current signal of a load current borne by the other power modules to the current sharing control system; an execution unit configured to control the current sharing control system to adjust the load current borne by the target power module and the load current borne by the other power modules based on the first current signal and the second current signal. The execution unit is specifically configured to: control the current sharing control system, add and average the target current value of the first current signal and the target current value of the second current signal to obtain an average current value; determine a first current difference value between the target current value of the first current signal and the average current value, and a second current difference value between the target current value of the second current signal and the average current value; reduce the load current borne by the target power module by the first current difference value, and increase the load current borne by the other power modules by the second current difference value. Alternatively, the execution unit is specifically configured to: control the target power module to feed back, to the current sharing control system, a third current signal greater than a current load current borne by the target power module; control the other power modules in the plurality of power modules to feed back, to the current sharing control system, fourth current signals of current load currents borne by the other power modules; and control the current sharing control system to adjust the current load current borne by the target power module and the current load currents borne by the other power modules based on the third current signal and the fourth current signals.

8. A computer-readable storage medium, characterized in that, The computer readable storage medium comprises instructions which, when executed on a computer, cause the computer to perform the method of any one of claims 1 to 6.

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