CN115912652A - Power module protection method and device, computer equipment and storage medium - Google Patents

Power module protection method and device, computer equipment and storage medium Download PDF

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Publication number
CN115912652A
CN115912652A CN202211540780.XA CN202211540780A CN115912652A CN 115912652 A CN115912652 A CN 115912652A CN 202211540780 A CN202211540780 A CN 202211540780A CN 115912652 A CN115912652 A CN 115912652A
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control instruction
bypass
bypass control
power module
type information
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CN202211540780.XA
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CN115912652B (en
Inventor
杨学广
张健成
焦石
李舒维
赵成斌
李倩
周登波
朱博
严海健
郑星星
曾鸿
唐唯钊
莫熙喆
钟明明
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Guangzhou Bureau of Extra High Voltage Power Transmission Co
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Guangzhou Bureau of Extra High Voltage Power Transmission Co
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Abstract

The application relates to a power module protection method, a power module protection device, computer equipment and a storage medium. The method comprises the following steps: acquiring fault type information of the power module under the condition that the power module has a fault; determining a bypass control instruction acquisition mode according to the fault type information; according to the bypass control instruction acquisition mode, acquiring a bypass control instruction, and sending the bypass control instruction to a bypass switch unit; the bypass control instruction is used for controlling the bypass switch unit to be in a conducting state. By adopting the method, the bypass control instruction acquisition mode can be determined according to the fault type information, and compared with the method of acquiring the bypass control instruction in a single mode, the method and the device can carry out protection action on the power module rapidly in the face of various fault conditions, so that the protection efficiency of the power module is improved.

Description

Power module protection method and device, computer equipment and storage medium
Technical Field
The present application relates to the field of converter valve control technologies, and in particular, to a power module protection method, apparatus 5, a computer device, and a storage medium.
Background
The modular multi-level converter valve is core equipment of a direct-current transmission project, and expected direct-current voltage is obtained and power control is achieved by sequentially connecting three-phase alternating-current voltage to a direct-current end. The power module is formed by combining and packaging power electronic devices into a module according to a certain function.
The power module controls the closing of the bypass switch through a power module control panel, the converter valve control system is communicated with the power module, and the converter valve control system can control the closing of the bypass switch through the power module control panel. In the common power module protection, a converter valve control system generally processes fault information in a centralized manner,
or the fault information is processed by a plurality of power modules, and only the bypass information is sent to the converter valve control system. However, in the current power module protection method, the protection of the power module cannot be realized quickly.
Disclosure of Invention
In view of the above, it is necessary to provide a power module protection method, apparatus, computer device and storage medium capable of protecting a power module quickly.
In a first aspect, the present application provides a power module protection method, including:
acquiring fault type information of the power module under the condition that the power module has a fault;
determining a bypass control instruction acquisition mode according to the fault type information;
according to the bypass control instruction acquisition mode, acquiring a bypass control instruction, and sending the bypass control instruction to a bypass switch unit; the bypass control instruction is used for controlling the bypass switch unit to be in a conducting state.
5 in one embodiment, the fault type information includes downlink communication fault type information;
determining a bypass control instruction acquisition mode according to the fault type information, comprising:
determining that the bypass control instruction acquisition mode is a first bypass control instruction acquisition mode under the condition that the fault type information is downlink communication fault type information;
according to bypass control instruction acquisition mode, acquire bypass control instruction to with bypass control instruction send bypass switch element, include:
and under the condition that the bypass control instruction acquisition mode is the first bypass control instruction acquisition mode, generating a first bypass control instruction and sending the first bypass control instruction to the bypass switch unit.
In one embodiment, after sending the first bypass control instruction to the bypass switch unit, the method further includes:
receiving bypass conduction state information returned by the bypass switch unit based on the first bypass control instruction, and transmitting the bypass conduction state information to the valve control module; and the valve control module is used for marking the power module according to the bypass conduction state information and stopping sending a work control instruction for controlling the power module to work.
In one embodiment, the fault type information includes uplink communication fault type information;
determining a bypass control instruction acquisition mode according to the fault type information, comprising:
determining that the bypass control instruction acquisition mode is a second bypass control instruction acquisition mode under the condition that the fault type information is the uplink communication fault type information;
according to bypass control instruction acquisition mode, acquire bypass control instruction to with bypass control instruction send bypass switch element, include:
under the condition that the bypass control instruction acquisition mode is a second bypass control instruction acquisition mode, receiving a second bypass control instruction sent by the valve control module, and sending the second bypass control instruction to the bypass switch unit; the valve control module is used for generating a second bypass control instruction, marking the power module and stopping sending a work control instruction for controlling the power module to work.
In one embodiment, the fault type information includes non-communication fault type information;
determining a bypass control instruction acquisition mode according to the fault type information, comprising:
determining that the bypass control instruction acquisition mode is a third bypass control instruction acquisition mode under the condition that the fault type information is non-communication fault type information;
according to bypass control instruction acquisition mode, acquire bypass control instruction to with bypass control instruction send bypass switch element, include:
transmitting non-communication fault type information to the valve control module under the condition that the bypass control instruction acquisition mode is a third bypass control instruction acquisition mode; the valve control module is used for generating a third bypass control instruction according to the non-communication fault type information;
and receiving a third bypass control instruction sent by the valve control module, and sending the third bypass control instruction to the bypass switch unit.
In one embodiment, in the case that the power module fails, before acquiring the fault type information of the power module, the method further includes:
acquiring target operation information of a power module; the target operation information comprises the operation state and/or the operation voltage data of the power module;
under the condition that the power module has a fault, acquiring fault type information of the power module, wherein the fault type information comprises the following steps:
and acquiring the fault type information of the power module under the condition that the operation state is a preset state and/or the operation voltage data meets the preset condition.
In a second aspect, the present application further provides a power module protection device, comprising:
the fault type information acquisition module is used for acquiring fault type information of the power module under the condition that the power module has a fault;
the instruction acquisition mode determining module is used for determining a bypass control instruction acquisition mode according to the fault type information; (ii) a
The bypass control instruction acquisition module is used for acquiring a bypass control instruction according to a bypass control instruction acquisition mode and sending the bypass control instruction to the bypass switch unit; the bypass control instruction is used for controlling the bypass switch unit to be in a conducting state.
In a third aspect, the present application also provides a computer device. The computer device comprises a memory storing a computer program and a processor implementing the steps of the method described above when executing the computer program.
In a fourth aspect, the present application further provides a computer-readable storage medium. The computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method described above.
In a fifth aspect, the present application further provides a computer program product. The computer program product comprises a computer program which, when executed by a processor, performs the steps of the method described above.
According to the power module protection method, the power module protection device, the computer equipment and the storage medium, when the power module fails, the fault type information of the power module is acquired; determining a bypass control instruction acquisition mode according to the fault type information; according to the bypass control instruction acquisition mode, acquiring a bypass control instruction, and sending the bypass control instruction to a bypass switch unit; the bypass control instruction is used for controlling the bypass switch unit to be in a conducting state. According to the method and the device, the bypass control instruction acquisition mode is determined according to the fault type information, actions for protecting the power module can be rapidly carried out aiming at various faults, the bypass control instruction is acquired according to the bypass control instruction acquisition mode, and the power module can be rapidly protected when the faults occur. Compared with the prior art, the bypass control instruction acquisition mode is determined through the fault type information, the bypass control instruction is acquired in a single mode, and the protection action of the power module is rapidly carried out on various fault conditions, so that the protection efficiency of the power module is improved.
Drawings
FIG. 1 is a diagram of an exemplary power module protection method;
FIG. 2 is a flow diagram illustrating a method for power module protection in one embodiment;
FIG. 3 is a flowchart illustrating the step of determining a bypass control instruction fetch mode in one embodiment;
FIG. 4 is a flowchart illustrating the step of determining a bypass control instruction fetch mode in another embodiment;
FIG. 5 is a flow diagram illustrating a method for protecting a power module in accordance with an exemplary embodiment;
FIG. 6 is a flow diagram illustrating a method for protecting a power module in another embodiment;
FIG. 7 is a flow diagram illustrating a method for protecting a power module in accordance with yet another exemplary embodiment;
FIG. 8 is a block diagram of the power module protection device in one embodiment;
FIG. 9 is a diagram illustrating an internal structure of a computer device according to an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of and not restrictive on the broad application.
The existing modular multilevel converter valve power module faults are all controlled by a control panel of a power module to close a bypass switch, in a common converter valve system, a set of converter valve control system controls numerous power modules, and the existing control method of the power module fault bypass can be divided into two methods, namely, the converter valve control system processes fault information in a centralized manner and controls the power module bypass, namely, centralized bypass control; and the other is that a plurality of power modules process fault information by themselves and only send bypass information to a converter valve control system, namely distributed bypass control for short.
When the centralized bypass control is confronted with the failure of the power module, the failure information is sent to the valve control system, the valve control system issues a bypass control command, when the downlink communication failure of the power module occurs by adopting the control method, because the power module can not receive the bypass control command, the power module can only control the closing of a bypass switch (such as overvoltage bypass) through a hardware backup protection loop of the power module, the reliability of the power module is reduced,
when the distributed bypass control surface is in fault with the power module, the power module judges fault information and controls the bypass of the distributed bypass control surface.
The power module protection method provided by the embodiment of the application can be applied to the application environment shown in fig. 1. Wherein the terminal 102 communicates with the server 104 via a network. The data storage system may store data that the server 104 needs to process. The data storage system may be integrated on the server 104, or may be located on the cloud or other network server. The data storage system may store failure type information. The terminal 102 may be, but is not limited to, various personal computers, notebook computers, smart phones, tablet computers, internet of things devices, and portable wearable devices. The server 104 may be implemented as a stand-alone server or a server cluster comprised of multiple servers.
In one embodiment, as shown in fig. 2, a power module protection method is provided, which is described by taking the method as an example applied to the server in fig. 1, and includes the following steps:
step S202, under the condition that the power module has a fault, obtaining fault type information of the power module.
The power module refers to a power electronic device which is combined and packaged into a module according to a certain function, and the valve control system of the converter valve can control direct-current voltage through the capacitance voltage of each power module and the number of input modules. The failure type information indicates a type corresponding to a failure occurring when the failure occurs. For example, the fault type information may include an IGBT (Insulated Gate Bipolar Transistor) fault, a driver board fault, a communication fault, and the like. The communication failure may include an upstream communication failure and a downstream communication failure.
For example, in the event of a power module failure, the control board of the power module can determine the type of failure that occurred.
And step S204, determining a bypass control instruction acquisition mode according to the fault type information.
The bypass control instruction acquisition mode refers to a mode of acquiring a bypass control instruction, and the bypass control instruction refers to an instruction for controlling the on-off state of the bypass switch unit. The bypass switching unit may be a bypass switching circuit in the power module, and may be used for overcurrent to protect the power module.
Illustratively, in the case of a fault in the power module, the control board of the power module can determine the bypass control instruction acquisition mode according to the fault type information. The bypass control instruction acquisition mode corresponding to the fault type information is determined according to different fault type information, so that the action of protecting the power module can be quickly generated under the condition that any fault occurs in the power module, but the action is not limited to a single specific bypass control instruction acquisition mode, the protection action of the power module cannot be timely performed on other fault types, and the power module is damaged.
Step S206, acquiring a bypass control instruction according to the bypass control instruction acquisition mode, and sending the bypass control instruction to a bypass switch unit; the bypass control instruction is used for controlling the bypass switch unit to be in a conducting state.
The bypass control instruction refers to an instruction for controlling the bypass switch unit, and can control the bypass switch unit to be in a conducting state. The bypass switching unit may be a bypass switching circuit in the power module, and may be used for overcurrent to protect the power module.
Illustratively, according to the bypass control instruction acquisition mode, the corresponding bypass control instruction can quickly perform corresponding control on the bypass switch unit according to the fault type information, so as to protect the power module and avoid the power module from being damaged. According to the method and the device, the bypass switch unit can be quickly protected against various fault type information through the determination of the acquisition of the bypass control instruction acquisition mode and the acquisition of the corresponding control instruction according to the bypass control instruction acquisition mode.
In the embodiment, under the condition that the power module fails, the fault type information of the power module is acquired; determining a bypass control instruction acquisition mode according to the fault type information; according to the bypass control instruction acquisition mode, acquiring a bypass control instruction, and sending the bypass control instruction to a bypass switch unit; the bypass control instruction is used for controlling the bypass switch unit to be in a conducting state. According to the method and the device, the bypass control instruction acquisition mode is determined according to the fault type information, actions for protecting the power module can be rapidly carried out aiming at various faults, the bypass control instruction is acquired according to the bypass control instruction acquisition mode, and the power module can be rapidly protected when the faults occur. Compared with the prior art, the bypass control instruction acquisition mode is determined through the fault type information, the bypass control instruction is acquired in a single mode, and the protection action of the power module is rapidly carried out on various fault conditions, so that the protection efficiency of the power module is improved.
In one embodiment, as shown in fig. 3, the fault type information includes downlink communication fault type information;
determining a bypass control instruction acquisition mode according to the fault type information, comprising:
step S302, under the condition that the fault type information is downlink communication fault type information, determining that a bypass control instruction acquisition mode is a first bypass control instruction acquisition mode;
according to bypass control instruction acquisition mode, acquire bypass control instruction to with bypass control instruction send bypass switch element, include:
in step S304, when the bypass control instruction obtaining mode is the first bypass control instruction obtaining mode, a first bypass control instruction is generated, and the first bypass control instruction is sent to the bypass switch unit.
The downlink communication fault type information can be downlink communication fault information between the valve control module and the power module control board. The first bypass control instruction acquisition mode refers to an acquisition mode of a control instruction when a downlink communication fault occurs. The first bypass control command is a command for controlling the bypass switching unit when a downstream communication failure occurs.
For example, the control board of the power module may determine the fault type information as downlink communication fault type information. Under the condition that the fault type information is downlink communication fault type information, the control board of the power module can determine that the bypass control instruction acquisition mode is a control instruction acquisition mode corresponding to the downlink communication fault. And generating a first bypass control instruction corresponding to the downlink communication fault according to the control instruction acquisition mode corresponding to the downlink communication fault, and sending the first bypass control instruction to the bypass switch unit so as to control the bypass switch unit to be in a conducting state.
In this embodiment, when determining the downlink communication fault type information, it is determined that the bypass control instruction acquisition mode is the first bypass control instruction acquisition mode; and generating a first bypass control instruction according to the first bypass control instruction acquisition mode, and sending the first bypass control instruction to the bypass switch unit. Therefore, the power module can be protected rapidly under the condition that downlink communication occurs in the power module, and the efficiency of protecting the power module is improved.
In one embodiment, after sending the first bypass control instruction to the bypass switch unit, the method further includes:
receiving bypass conduction state information returned by the bypass switch unit based on the first bypass control instruction, and transmitting the bypass conduction state information to the valve control module; and the valve control module is used for marking the power module according to the bypass conduction state information and stopping sending a work control instruction for controlling the power module to work.
Wherein, the bypass conduction state information refers to the conduction state information of the bypass switch unit. The valve control module may be a valve control system of a converter valve. The work control instruction refers to an instruction used by the valve control module for controlling the work of the power module.
Illustratively, the bypass switching unit returns bypass conduction state information to the control board of the power module, which transmits the bypass conduction state information to the valve control module. And the valve control module is used for marking the power module according to the bypass conduction state information and stopping sending a work control instruction for controlling the power module to work.
In this embodiment, the bypass conduction state information is transmitted to the valve control module in the case of a downlink communication failure. The valve control module marks the power module and stops sending the work control instruction aiming at the power module, so that the work of the power module can be stopped, the safety of the power module can be improved, and the power module is further protected from being damaged.
In one embodiment, as shown in fig. 4, the fault type information includes uplink communication fault type information;
determining a bypass control instruction acquisition mode according to the fault type information, comprising:
step S402, determining that the bypass control instruction acquisition mode is a second bypass control instruction acquisition mode under the condition that the fault type information is the uplink communication fault type information;
according to bypass control instruction acquisition mode, acquire bypass control instruction to with bypass control instruction send bypass switch element, include:
step S404, under the condition that the bypass control instruction acquisition mode is the second bypass control instruction acquisition mode, receiving a second bypass control instruction sent by the valve control module, and sending the second bypass control instruction to a bypass switch unit; the valve control module is used for generating a second bypass control instruction, marking the power module and stopping sending a work control instruction for controlling the power module to work.
The uplink communication fault type information can be uplink communication fault information between the valve control module and the power module control board. The second bypass control instruction acquisition mode refers to an acquisition mode of a control instruction when an uplink communication fault occurs. The second bypass control command is a command for controlling the bypass switch unit when a downlink communication failure occurs.
For example, the control board of the power module may determine the fault type information as uplink communication fault type information. Under the condition that the fault type information is uplink communication fault type information, the control board of the power module can determine that the bypass control instruction acquisition mode is a control instruction acquisition mode corresponding to the uplink communication fault. And generating a second bypass control instruction corresponding to the uplink communication fault according to the control instruction acquisition mode corresponding to the uplink communication fault, and sending the second bypass control instruction to the bypass switch unit so as to control the bypass switch unit to be in a conducting state.
In this embodiment, when determining the uplink communication fault type information, determining that the bypass control instruction acquisition mode is the second bypass control instruction acquisition mode; and generating a second bypass control instruction according to the second bypass control instruction acquisition mode, and sending the second bypass control instruction to the bypass switch unit. Therefore, the power module can be protected quickly under the condition that the power module carries out uplink communication, and the efficiency of protecting the power module is improved.
In one embodiment, the fault type information includes non-communicative fault type information;
determining a bypass control instruction acquisition mode according to the fault type information, comprising:
determining that the bypass control instruction acquisition mode is a third bypass control instruction acquisition mode under the condition that the fault type information is non-communication fault type information;
according to bypass control instruction acquisition mode, acquire bypass control instruction to with bypass control instruction send bypass switch element, include:
transmitting non-communication fault type information to the valve control module under the condition that the bypass control instruction acquisition mode is a third bypass control instruction acquisition mode; the valve control module is used for generating a third bypass control instruction according to the non-communication fault type information;
and receiving a third bypass control instruction sent by the valve control module, and sending the third bypass control instruction to the bypass switch unit.
The non-communication fault type information may be non-row communication fault information between the valve control module and the power module control board, and may be, for example, an IGBT fault and a drive board fault. The third bypass control instruction acquisition mode refers to an acquisition mode of a control instruction when a non-communication fault occurs. The third bypass control command is a command for controlling the bypass switch unit when a non-communication failure occurs.
For example, the control board of the power module may determine the fault type information as non-communication fault type information. Under the condition that the fault type information is the non-communication fault type information, the control board of the power module can determine that the bypass control instruction acquisition mode is the control instruction acquisition mode corresponding to the non-communication fault. And transmitting non-communication fault type information to the valve control module according to a control instruction acquisition mode corresponding to the downlink communication fault, generating a third bypass control instruction corresponding to the non-communication fault by the valve control module according to the non-communication fault type information, and transmitting the first bypass control instruction to the bypass switch unit by the control panel of the power module so as to control the bypass switch unit to be in a conducting state.
In this embodiment, when the non-communication fault type information is determined, it is determined that the bypass control instruction acquisition mode is the third bypass control instruction acquisition mode; and generating a third bypass control instruction according to the third bypass control instruction acquisition mode, and sending the third bypass control instruction to the bypass switch unit. Therefore, the power module can be protected rapidly under the condition that the power module is in non-communication, and the efficiency of protecting the power module is improved.
In one embodiment, in the case that the power module fails, before obtaining the fault type information of the power module, the method further includes:
acquiring target operation information of a power module; the target operating information includes operating status and/or operating voltage data of the power module;
under the condition that the power module has a fault, acquiring fault type information of the power module, wherein the fault type information comprises the following steps:
and acquiring the fault type information of the power module under the condition that the operation state is a preset state and/or the operation voltage data meets the preset condition.
The preset state may be an unlocked state of the power module, and the operating voltage data may be a voltage value of the power module.
Illustratively, whether the power module fails is determined according to the operating state and/or the operating voltage data. And determining that the power module has a fault when the operating state is the unlocking state and/or the operating voltage data is greater than a preset threshold value, and acquiring fault type information of the power module at the moment. The voltage preset threshold may be 500V. The unlocked state may be a state 10ms before the communication state.
In this embodiment, whether the power module fails or not is determined according to the operating state and/or the operating voltage data, so that the accuracy of failure determination can be improved.
In a specific embodiment, as shown in fig. 5, the protection method of the power module includes the following steps:
step S501, a downlink communication fault of a power module occurs;
step S502, judging whether the state is an unlocking state 10ms before the communication fault and/or the voltage is greater than a threshold value;
step S503, if the condition of the step S502 is not met, the control board of the power module processes the fault;
step S504, if the state is unlocked 10ms before the communication fault and/or the voltage is greater than the threshold value, the control board of the power module transmits a bypass command of closing the bypass switch;
step S505, the bypass switch executes a bypass command;
step S506, the control board of the power module receives the bypass state and transmits the bypass state to the valve control system;
and step S507, the valve control system marks the bypass state of the power module and stops issuing the control command.
In a specific embodiment, as shown in fig. 6, the protection method of the power module includes the following steps:
step S601, a power module uplink communication fault occurs;
step S602, judging whether the state is an unlocking state 10ms before the communication fault and/or the voltage is greater than a threshold value;
step S603, if the condition of step S602 is not satisfied, the control board of the power module handles a fault;
step S604, if the state is an unlocking state 10ms before the communication fault and/or the voltage is greater than a threshold value, the valve control system issues a bypass command for closing the bypass switch;
step S605, the valve control system marks the bypass state of the power module and stops issuing a control instruction;
and step S606, the control board of the power module receives the bypass command and transmits the bypass command to the bypass switch.
In step S607, the bypass switch executes the bypass command.
In a specific embodiment, as shown in fig. 7, the protection method of the power module includes the following steps:
step S701, a power module non-communication fault occurs;
step S702, a control board of a power module detects a fault;
step S703, the control board of the power module transmits the fault information to the valve control system;
step S704, the valve control system receives the fault information and issues a bypass command for closing the bypass switch;
step S705, the control board of the power module receives the bypass command and transmits the bypass command to the bypass switch;
step S706, the bypass switch executes the bypass command;
step S707, the control board of the power module receives the bypass state and transmits the bypass state to the valve control system;
step S708, the valve control system marks the bypass state of the power module and stops issuing the control command.
In some specific embodiments, in order to avoid normal change of capacitor voltage in the process of starting and stopping the converter valve and communication interruption of a power module due to normal occurrence in the process of starting and stopping the converter valve, a communication interruption fault bypass anti-misoperation strategy is added, and the added anti-misoperation strategy is as follows: 1. before 10ms (the settable time length), the unlocking state is set; 2. the voltage of the power module is larger than 500V (the voltage can be set) before 10ms (the time length can be set), and the communication abnormity of the power module can be judged when one of the two conditions is met.
In some specific embodiments, the protection method of the power module improves the operation reliability of the converter valve. Under the original framework, when an uplink or downlink communication fault occurs, the power module can not quickly close the bypass switch, and can only be protected through a power module capacitor voltage hardware overvoltage bypass, so that the hidden danger of damage to primary equipment of the power module is brought, and the accident caused by the failure of the module hardware overvoltage bypass function is avoided. The protection method of the power module can quickly close the bypass switch when various power modules have faults, quickly mark the fault power module in the valve control system, quickly and effectively control the bypass of the power module when uplink and downlink communication faults occur, avoid serious faults such as power primary equipment damage or capacitor explosion caused by overvoltage of the power module and effectively improve the operation reliability of the converter valve.
In one embodiment, the converter valve control system is placed in a control protection room; the power module is arranged in the valve hall, and a control panel and a bypass switch of the power module are arranged in the power module; the power module is communicated with the valve control room through optical fibers, one end of the power module is placed in the valve control system, and the other end of the power module is placed in the power module and connected with a control panel of the power module; a cable is used for a control command between the power module control board and the bypass switch, one end of the cable is connected to the control board, and the other end of the cable is connected to the bypass switch; the bypass switch feeds back the control panel information by using optical fibers, one end of the optical fibers is connected into the control panel, and the other end of the optical fibers is connected into the bypass switch.
It should be understood that, although the steps in the flowcharts related to the embodiments as described above are sequentially displayed as indicated by arrows, the steps are not necessarily performed sequentially as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least a part of the steps in the flowcharts related to the embodiments described above may include multiple steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, and the execution order of the steps or stages is not necessarily sequential, but may be rotated or alternated with other steps or at least a part of the steps or stages in other steps.
Based on the same inventive concept, the embodiment of the application also provides a power module protection device for realizing the power module protection method. The implementation scheme for solving the problem provided by the device is similar to the implementation scheme described in the above method, so specific limitations in one or more embodiments of the power module protection device provided below can be referred to the limitations of the power module protection method in the foregoing, and details are not described herein again.
In one embodiment, as shown in fig. 8, there is provided a power module protection device, including: a fault type information obtaining module 810, an instruction obtaining mode determining module 820 and a bypass control instruction obtaining module 830, wherein:
a failure type information obtaining module 810, configured to obtain failure type information of the power module when the power module fails.
And an instruction obtaining mode determining module 820, configured to determine a bypass control instruction obtaining mode according to the fault type information.
The bypass control instruction acquisition module 830 is configured to acquire a bypass control instruction according to the bypass control instruction acquisition mode, and send the bypass control instruction to the bypass switch unit; the bypass control instruction is used for controlling the bypass switch unit to be in a conducting state.
In one embodiment, the fault type information includes downlink communication fault type information; the instruction acquisition mode determining module is used for determining that the bypass control instruction acquisition mode is a first bypass control instruction acquisition mode under the condition that the fault type information is downlink communication fault type information; the bypass control instruction obtaining module is used for generating a first bypass control instruction and sending the first bypass control instruction to the bypass switch unit under the condition that the bypass control instruction obtaining mode is the first bypass control instruction obtaining mode.
In one embodiment, the bypass control instruction obtaining module is further configured to receive bypass conduction state information returned by the bypass switch unit based on the first bypass control instruction, and transmit the bypass conduction state information to the valve control module; and the valve control module is used for marking the power module according to the bypass conduction state information and stopping sending a work control instruction for controlling the power module to work.
In one embodiment, the fault type information includes uplink communication fault type information; the instruction acquisition mode determining module is used for determining that the bypass control instruction acquisition mode is a second bypass control instruction acquisition mode under the condition that the fault type information is the uplink communication fault type information; under the condition that the bypass control instruction acquisition mode is a second bypass control instruction acquisition mode, receiving a second bypass control instruction sent by the valve control module, and sending the second bypass control instruction to the bypass switch unit; and the bypass control instruction acquisition module is used for the valve control module to generate a second bypass control instruction, mark the power module and stop sending a working control instruction for controlling the power module to work.
In one embodiment, the fault type information includes non-communicative fault type information; the instruction acquisition mode determining module is used for determining that the bypass control instruction acquisition mode is a third bypass control instruction acquisition mode under the condition that the fault type information is non-communication fault type information; the bypass control instruction acquisition module is used for transmitting non-communication fault type information to the valve control module under the condition that the bypass control instruction acquisition mode is a third bypass control instruction acquisition mode; the valve control module is used for generating a third bypass control instruction according to the non-communication fault type information; and receiving a third bypass control instruction sent by the valve control module, and sending the third bypass control instruction to the bypass switch unit.
In one embodiment, the apparatus further comprises an information acquisition module. The information acquisition module is used for acquiring target operation information of the power module; the target operation information comprises the operation state and/or the operation voltage data of the power module; the fault type information acquisition module is used for acquiring the fault type information of the power module under the condition that the operation state is a preset state and/or the operation voltage data meets a preset condition.
The modules in the power module protection device may be implemented in whole or in part by software, hardware, and a combination thereof. The modules can be embedded in a hardware form or independent of a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
In one embodiment, a computer device is provided, which may be a server, and its internal structure diagram may be as shown in fig. 9. The computer device includes a processor, a memory, an Input/Output interface (I/O for short), and a communication interface. The processor, the memory and the input/output interface are connected through a system bus, and the communication interface is connected to the system bus through the input/output interface. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program, and a database. The internal memory provides an environment for the operating system and the computer program to run on the non-volatile storage medium. The database of the computer device is used for storing fault type information data. The input/output interface of the computer device is used for exchanging information between the processor and an external device. The communication interface of the computer device is used for connecting and communicating with an external terminal through a network. The computer program is executed by a processor to implement a power module protection method.
It will be appreciated by those skilled in the art that the configuration shown in fig. 9 is a block diagram of only a portion of the configuration associated with the present application, and is not intended to limit the computing device to which the present application may be applied, and that a particular computing device may include more or fewer components than shown, or may combine certain components, or have a different arrangement of components.
In an embodiment, a computer device is further provided, which includes a memory and a processor, the memory stores a computer program, and the processor implements the steps of the above method embodiments when executing the computer program.
In an embodiment, a computer-readable storage medium is provided, on which a computer program is stored which, when being executed by a processor, carries out the steps of the above-mentioned method embodiments.
In an embodiment, a computer program product is provided, comprising a computer program which, when executed by a processor, carries out the steps in the method embodiments described above.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, database, or other medium used in the embodiments provided herein may include at least one of non-volatile and volatile memory. The nonvolatile Memory may include a Read-Only Memory (ROM), a magnetic tape, a floppy disk, a flash Memory, an optical Memory, a high-density embedded nonvolatile Memory, a resistive Random Access Memory (ReRAM), a Magnetic Random Access Memory (MRAM), a Ferroelectric Random Access Memory (FRAM), a Phase Change Memory (PCM), a graphene Memory, and the like. Volatile Memory can include Random Access Memory (RAM), external cache Memory, and the like. By way of illustration and not limitation, RAM can take many forms, such as Static Random Access Memory (SRAM) or Dynamic Random Access Memory (DRAM), for example. The databases involved in the embodiments provided herein may include at least one of relational and non-relational databases. The non-relational database may include, but is not limited to, a block chain based distributed database, and the like. The processors referred to in the embodiments provided herein may be general purpose processors, central processing units, graphics processors, digital signal processors, programmable logic devices, quantum computing based data processing logic devices, etc., without limitation.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims (10)

1. A method for power module protection, the method comprising:
acquiring fault type information of a power module under the condition that the power module has a fault;
determining a bypass control instruction acquisition mode according to the fault type information;
according to the bypass control instruction acquisition mode, acquiring a bypass control instruction, and sending the bypass control instruction to a bypass switch unit; the bypass control instruction is used for controlling the bypass switch unit to be in a conducting state.
2. The method of claim 1, wherein the fault type information includes downlink communication fault type information;
the determining of the bypass control instruction acquisition mode according to the fault type information includes:
determining that the bypass control instruction acquisition mode is a first bypass control instruction acquisition mode under the condition that the fault type information is the downlink communication fault type information;
the step of obtaining a bypass control instruction according to the bypass control instruction obtaining mode and sending the bypass control instruction to a bypass switch unit comprises the following steps:
and under the condition that the bypass control instruction acquisition mode is the first bypass control instruction acquisition mode, generating a first bypass control instruction and sending the first bypass control instruction to the bypass switch unit.
3. The method of claim 2, wherein after sending the first bypass control command to the bypass switch unit, further comprising:
receiving bypass conduction state information returned by the bypass switch unit based on the first bypass control instruction, and transmitting the bypass conduction state information to a valve control module; and the valve control module is used for marking the power module according to the bypass conduction state information and stopping sending a work control instruction for controlling the power module to work.
4. The method of claim 1, wherein the fault type information comprises uplink communication fault type information;
the determining of the bypass control instruction acquisition mode according to the fault type information includes:
determining that the bypass control instruction acquisition mode is a second bypass control instruction acquisition mode under the condition that the fault type information is the uplink communication fault type information;
the obtaining a bypass control instruction according to the bypass control instruction obtaining mode, and sending the bypass control instruction to a bypass switch unit includes:
under the condition that the bypass control instruction acquisition mode is the second bypass control instruction acquisition mode, receiving a second bypass control instruction sent by a valve control module, and sending the second bypass control instruction to the bypass switch unit; and the valve control module is used for generating the second bypass control instruction, marking the power module and stopping sending a working control instruction for controlling the power module to work.
5. The method of claim 1, wherein the fault type information comprises non-communicative fault type information;
the determining of the bypass control instruction acquisition mode according to the fault type information includes:
determining that the bypass control instruction acquisition mode is a third bypass control instruction acquisition mode under the condition that the fault type information is the non-communication fault type information;
the obtaining a bypass control instruction according to the bypass control instruction obtaining mode, and sending the bypass control instruction to a bypass switch unit includes:
transmitting the non-communication fault type information to a valve control module under the condition that the bypass control instruction acquisition mode is the third bypass control instruction acquisition mode; the valve control module is used for generating a third bypass control instruction according to the non-communication fault type information;
and receiving a third bypass control instruction sent by the valve control module, and sending the third bypass control instruction to the bypass switch unit.
6. The method according to claim 1, wherein before obtaining the fault type information of the power module in case of a fault of the power module, the method further comprises:
acquiring target operation information of the power module; the target operating information includes operating state and/or operating voltage data of the power module;
the acquiring the fault type information of the power module under the condition that the power module has a fault comprises the following steps:
and acquiring the fault type information of the power module under the condition that the operation state is a preset state and/or the operation voltage data meets a preset condition.
7. A power module protection device, the device comprising:
the fault type information acquisition module is used for acquiring fault type information of the power module under the condition that the power module has a fault;
the instruction acquisition mode determining module is used for determining a bypass control instruction acquisition mode according to the fault type information; (ii) a
The bypass control instruction acquisition module is used for acquiring a bypass control instruction according to the bypass control instruction acquisition mode and sending the bypass control instruction to a bypass switch unit; the bypass control instruction is used for controlling the bypass switch unit to be in a conducting state.
8. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor, when executing the computer program, implements the steps of the method of any of claims 1 to 6.
9. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 6.
10. A computer program product comprising a computer program, characterized in that the computer program realizes the steps of the method of any one of claims 1 to 6 when executed by a processor.
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