CN111880464A - Redundancy control method and system for maintaining gas turbine - Google Patents
Redundancy control method and system for maintaining gas turbine Download PDFInfo
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- CN111880464A CN111880464A CN202010815162.6A CN202010815162A CN111880464A CN 111880464 A CN111880464 A CN 111880464A CN 202010815162 A CN202010815162 A CN 202010815162A CN 111880464 A CN111880464 A CN 111880464A
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
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- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
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Abstract
The invention discloses a redundancy control method and a redundancy control system for maintaining a gas turbine, wherein the redundancy control method comprises the following steps of responding to a starting signal of a standby gas turbine system, and establishing communication connection between the standby gas turbine system and a monitoring device through a main communication module; monitoring the communication verification times between the standby gas turbine system and the monitoring device in real time, and establishing a mapping relation between the communication verification times in a preset period and the detection time corresponding to the communication verification times to form a reference database; matching the communication verification times to be verified with the reference database, and comparing the gas pressure value output by the operating system if the matching result meets a first preset condition; the communication verification times to be verified are collected communication verification times after a preset period; and sending a closing signal of the main combustion engine system when the first gas transmission pressure is equal to the second gas transmission pressure. The application improves the safety of the selection of the user's autonomous control and the switching between the combustion engine systems.
Description
Technical Field
The invention relates to the technical field of natural gas transportation, in particular to a redundancy control system for maintaining a combustion engine and a redundancy control method for maintaining the combustion engine.
Background
Natural gas is one of the current important energy sources, and the guarantee of uninterrupted supply of natural gas is an important control index in the field of natural gas transportation. The main control system of the natural gas is a gas turbine system; the gas turbine system mainly controls a natural gas pipeline to carry out conveying; the various equipment used in combustion engine systems includes the principles of various compressors, valves and pneumatic-hydraulic interlocking valves, separation equipment, metering equipment, pigging equipment, operation and maintenance techniques and fault and accident handling methods, where the control of the gas turbine compressor train is directly related to the stability of the natural gas delivery safety.
Among the prior art, in order to guarantee the incessant supply of natural gas, need switch between the gas system of difference, how to improve the accuracy of switching, reduce to cause the influence to the gas transmission air feed, be the problem that this application needs to solve.
Disclosure of Invention
In view of the above, embodiments of the present invention provide a redundancy control method and system for engine maintenance to solve the above technical problems.
In order to achieve the above technical object, a first aspect of an embodiment of the present invention provides a redundancy control method for maintenance of a combustion engine, which is improved by including:
responding to a starting signal of a standby gas turbine system, and establishing communication connection between the standby gas turbine system and a monitoring device through a main communication module;
monitoring the communication verification times between the standby gas turbine system and the monitoring device in real time, and establishing a mapping relation between the communication verification times in a preset period and the detection time corresponding to the communication verification times to form a reference database;
matching the communication verification times to be verified with the reference database, and if the matching result meets a first preset condition, acquiring a first gas transmission pressure of a gas transmission pipeline controlled by the standby gas turbine system and acquiring a second gas transmission pressure of the gas transmission pipeline controlled by the main gas turbine system; the communication verification times to be verified are collected communication verification times after a preset period;
and sending a closing signal of the main combustion engine system when the first gas transmission pressure is equal to the second gas transmission pressure.
Further, if the communication verification frequency in the preset period exceeds a preset value, the standby gas turbine system establishes communication connection with the monitoring device through the standby communication module and sends a first prompt signal.
Further, when the monitoring device receives an overhaul signal or receives a shutdown request sent by the main combustion engine system, a starting signal and a second prompt signal of the standby combustion engine system are sent.
Further, the preset period comprises a natural gas conveying period, the conveying period comprises acquisition time periods with different priority levels, and the acquisition time periods correspond to different acquisition times; the first preset condition comprises an input reference priority level set, and the reference priority level set comprises all or part of priority levels in a conveying period;
when the priority level corresponding to the communication verification times to be verified belongs to the reference priority level set, if the communication verification times to be verified are larger than the average communication verification times in the priority level corresponding to the communication verification times to be verified, the matching result meets a first preset condition.
The present application further provides a redundant control system for maintenance of a combustion engine, the redundant control system comprising: the system comprises a monitoring device, a standby gas turbine system, a main gas turbine system and a pressure sensor group;
the pressure sensor group is used for acquiring first gas transmission pressure of a gas transmission pipeline controlled by the standby gas turbine system and acquiring second gas transmission pressure of a gas transmission pipeline controlled by the main gas turbine system;
the standby gas turbine system is used for responding to a starting signal of the standby gas turbine system and establishing communication connection with the monitoring device through the main communication module;
the monitoring device is used for monitoring the communication verification times between the standby gas turbine system and the monitoring device in real time, and establishing a mapping relation between the communication verification times in a preset period and the detection time corresponding to the communication verification times to form a reference database;
the monitoring device is further used for matching the communication verification times to be verified with the reference database, and if the matching result meets a first preset condition, acquiring and confirming that the first gas transmission pressure is equal to the second gas transmission pressure, and sending a closing signal of the main combustion engine system; the number of communication checks to be verified is the number of communication checks collected after the preset period.
Further, the monitoring device detects that the communication verification times in the preset period exceed a preset value, and sends out a switching signal; after receiving the switching signal, the standby gas turbine system establishes communication connection with the monitoring device through the standby communication module and sends a first prompt signal.
Further, when the monitoring device receives the overhaul signal or receives the main combustion engine system sends a shutdown request, a starting signal and a second prompt signal of the standby combustion engine system are sent.
Further, the monitoring device is further configured to determine that, when the priority level corresponding to the number of communication checks to be verified belongs to the reference priority level set, if the number of communication checks to be verified is greater than the average number of communication checks within the priority level corresponding to the number of communication checks to be verified, the matching result meets a first preset condition;
the preset period comprises a natural gas conveying period, the conveying period comprises acquisition time periods with different priority levels, and the acquisition time periods correspond to different acquisition times; the first preset condition comprises an input reference priority level set, and the reference priority level set comprises all or part of priority levels in a transmission period
In the embodiment of the invention, the safe detection and the start-stop switching between the main combustion engine system and the standby combustion engine system are realized through the step-by-step detection; by detecting the network communication verification times, a reference database is formed in the user self-selection period, so that the selection of the user for autonomous control is improved, and the switching safety between the gas turbine systems is improved.
Drawings
FIG. 1 is a flow chart of a method for evaluating blockchain accounts according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an account relationship model diagram provided by an embodiment of the invention.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
In order to explain the technical means of the present invention, the following description will be given by way of specific examples.
In order to guarantee the stability of gas supply, the gas system of this application is triple redundancy and presses the unit controlling means. The device is mainly characterized in that:
(1) the power supply, the power supply diode, the power supply wiring and the air switch are dual redundancy, and at any point or one equipment fault, the system function failure and the shutdown can not be caused, and the fault alarm is carried out. The faulty device can now be repaired and replaced online while the unit is in operation.
(2) The gas control system adopts a triple redundant structure, and when a fault occurs in any one of three signals, the system can give an alarm, but the system function failure and the shutdown can not be caused. The faulty device can now be repaired and replaced online while the unit is in operation.
(3) Hardware structures for monitoring HMI pictures and data network communication of the system all adopt a dual-redundancy structure, any communication fault can give an alarm, functional failure cannot be caused, shutdown cannot be caused, and the communication fault can be replaced and repaired on line to be fault equipment.
On the basis of the method shown in fig. 1, the embodiment provides a redundancy control method for maintenance of the combustion engine, which comprises the following steps:
responding to a starting signal of a standby gas turbine system B, and establishing communication connection between the standby gas turbine system B and a monitoring device through a main communication module; monitoring the communication verification times between the standby gas turbine system B and the monitoring device in real time, and establishing a mapping relation between the communication verification times in a preset period and the detection time corresponding to the communication verification times to form a reference database;
matching the communication verification times to be verified with the reference database, and if the matching result meets a first preset condition, acquiring a first gas transmission pressure of a gas transmission pipeline controlled by the standby gas turbine system B and acquiring a second gas transmission pressure of a gas transmission pipeline controlled by the main gas turbine system A; the communication check number to be verified is the collected communication check number after the preset period (downloading data packet, we can decode and analyze the data packet transmitted by two communication hosts, and find that a large number of data packets with the same IP port and the same IP identification bit exist in the data, which proves that the data packet transmitted between the two communication hosts is the same data packet, then locate the data packet in the TTL field of the data packet, find that the TTL value of the data packet shows a gradual descending trend, and each data packet TTL-retention time value is reduced by 2, which shows that the data packet returns to the interface connected with the core switch and the firewall after being processed by 2 three layers of equipment in the transmission process and is captured again, although the data packet can be transmitted, the delay between the standby combustion engine system B and the monitoring device is caused, after the data packet is detected, the number of communication checks is automatically increased by one); and sending a closing signal of the main combustion engine system A when the first gas transmission pressure is equal to the second gas transmission pressure. The first gas transmission pressure and the second gas transmission pressure are respectively the gas pressure of a compressed gas inlet pipeline of the standby gas turbine system B and the main gas turbine system A; the design matches the communication verification times according to a preset period, so that the communication verification times are ensured to be in a reasonable range; the preset period can be a period of the statistical verification times, and can also be a service period of the delivered gas. The selection of the preset period ensures that the data in the reference database conforms to the latest change period, and improves the accuracy of verification.
Preferably, if the communication verification frequency in the preset period exceeds a preset value, the standby combustion engine system B establishes communication connection with the monitoring device through the standby communication module and sends a first prompt signal. The preset value is the lowest set value for ensuring normal communication, and when the preset value exceeds the lowest set value, the standby communication module is controlled to establish communication connection with the monitoring device; the communication module can be a commonly used communication module such as a 4G module.
Preferably, when the monitoring device receives an overhaul signal or receives a shutdown request sent by the main combustion engine system A, a starting signal and a second prompt signal of the standby combustion engine system B are sent.
Preferably, the preset period includes a natural gas conveying period, the conveying period includes acquisition time periods of different priority levels, and the acquisition time periods correspond to different acquisition times; the first preset condition comprises an input reference priority level set, and the reference priority level set comprises all or part of priority levels in a conveying period;
when the priority level corresponding to the communication verification times to be verified belongs to the reference priority level set, if the communication verification times to be verified are larger than the average communication verification times in the priority level corresponding to the communication verification times to be verified, the matching result meets a first preset condition.
As shown in fig. 2, the present application further provides a redundant control system for repairing a combustion engine based on the method, comprising: the system comprises a monitoring device, a standby gas turbine system B, a main gas turbine system A and a pressure sensor group; the backup combustion engine system B includes a second controller, a second gas turbine compressor controller coupled to the second controller, and a second gas turbine compressor coupled to the second gas turbine compressor controller; the main combustion engine system A comprises a first controller, a first gas turbine compressor controller connected with the first controller and a first gas turbine compressor connected with the first gas turbine compressor controller; the first controller and the second controller are in communication connection with the monitoring device through the main communication module and the standby module respectively; the pressure sensor group comprises a first pressure sensor and a second pressure sensor, and the first pressure sensor and the second pressure sensor are respectively arranged in an output pipeline of the second gas turbine compressor and an output pipeline of the first gas turbine compressor. The pressure sensor group is used for acquiring a first gas transmission pressure of a gas transmission pipeline controlled by the standby gas turbine system B and acquiring a second gas transmission pressure of a gas transmission pipeline controlled by the main gas turbine system A; the standby gas turbine system B is used for responding to a starting signal of the standby gas turbine system B and establishing communication connection with the monitoring device through the main communication module; the monitoring device is used for monitoring the communication verification times between the standby gas turbine system B and the monitoring device in real time, and establishing a mapping relation between the communication verification times in a preset period and the detection time corresponding to the communication verification times to form a reference database;
the monitoring device is further used for matching the communication verification times to be verified with the reference database, and if the matching result meets a first preset condition, acquiring and confirming that the first gas transmission pressure is equal to the second gas transmission pressure, and sending a closing signal of the main gas turbine system A; the number of communication checks to be verified is the number of communication checks collected after the preset period. The main combustion engine system a receives the shut down signal,
preferably, the monitoring device detects that the communication verification times in the preset period exceed a preset value, and sends a switching signal; after receiving the switching signal, the standby gas turbine system B establishes communication connection with the monitoring device through the standby communication module and sends a first prompt signal. Monitoring personnel can make a maintenance plan according to the first prompt signal, and the problem that communication check exceeds the standard is eliminated in time.
And when the monitoring device receives the overhaul signal or receives the shutdown request sent by the main combustion engine system A, the starting signal and the second prompt signal of the standby combustion engine system B are sent. The starting signal of the standby gas turbine system B is convenient for a user to determine whether the whole main gas turbine system A needs to be stopped according to the judgment of a maintenance plan, so that the option of overhauling the main gas turbine system A when the maintenance fault level is low is met, and the stability of gas supply is ensured.
Preferably, the monitoring device is further configured to determine that, when the priority level corresponding to the number of communication checks to be verified belongs to the reference priority level set, if the number of communication checks to be verified is greater than the average number of communication checks within the priority level corresponding to the number of communication checks to be verified, the matching result meets a first preset condition;
the preset period comprises a natural gas conveying period, the conveying period comprises acquisition time periods with different priority levels, and the acquisition time periods correspond to different acquisition times; the first preset condition comprises an input reference priority level set, and the reference priority level set comprises all or part of priority levels in a transmission period. Due to the adoption of the conveying period, the reference data in the reference database can better conform to the recent use rule, and the reference priority level set can be a reference gas conveying and allocating instruction, so that the gas conveying safety in a certain time period is guaranteed, and the priority level is highest; the accuracy in the data is further ensured by the verification of the priority level and the verification of the average communication verification times for two times.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working processes of the units and modules in the system may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus/terminal device and method may be implemented in other ways. For example, the above-described embodiments of the apparatus/terminal device are merely illustrative, and for example, the division of the modules or units is only one logical division, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated modules/units, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method embodiments may be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media does not include electrical carrier signals and telecommunications signals as is required by legislation and patent practice.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (8)
1. A method of redundant control of maintenance of a combustion engine, comprising:
responding to a starting signal of a standby gas turbine system (B), and establishing communication connection between the standby gas turbine system (B) and a monitoring device through a main communication module;
monitoring the communication verification times between the standby gas turbine system (B) and the monitoring device in real time, and establishing a mapping relation between the communication verification times in a preset period and the detection time corresponding to the communication verification times to form a reference database;
matching the communication verification times to be verified with the reference database, and if the matching result meets a first preset condition, acquiring a first gas transmission pressure of a gas transmission pipeline controlled by the standby gas turbine system (B) and acquiring a second gas transmission pressure of the gas transmission pipeline controlled by the main gas turbine system (A); the communication verification times to be verified are collected communication verification times after a preset period;
and sending a closing signal of the main combustion engine system (A) when the first gas transmission pressure is equal to the second gas transmission pressure.
2. The method for redundantly controlling maintenance of a combustion engine as recited in claim 1, wherein if the number of communication checks in the preset period exceeds a preset value, the backup combustion engine system (B) establishes a communication connection with a monitoring device through a backup communication module and sends a first prompt signal.
3. A method for redundant control of engine maintenance according to claim 1, characterized in that the activation signal of the backup engine system (B) and a second prompt signal are issued when a service signal is received by a monitoring device or a request for shutdown is received by the main engine system (a).
4. The method of claim 1, wherein the predetermined period comprises a delivery period of natural gas, the delivery period comprising acquisition time periods of different priority levels, the acquisition time periods corresponding to different acquisition times; the first preset condition comprises an input reference priority level set, and the reference priority level set comprises all or part of priority levels in a conveying period;
when the priority level corresponding to the communication verification times to be verified belongs to the reference priority level set, if the communication verification times to be verified are larger than the average communication verification times in the priority level corresponding to the communication verification times to be verified, the matching result meets a first preset condition.
5. A redundant control system for servicing a combustion engine, comprising: the system comprises a monitoring device, a standby gas turbine system (B), a main gas turbine system (A) and a pressure sensor group;
the pressure sensor group is used for acquiring first gas transmission pressure of a gas transmission pipeline controlled by the standby gas turbine system (B) and acquiring second gas transmission pressure of the gas transmission pipeline controlled by the main gas turbine system (A);
the standby gas turbine system (B) is used for responding to a starting signal of the standby gas turbine system (B) and establishing communication connection with the monitoring device through the main communication module;
the monitoring device is used for monitoring the communication verification times between the standby gas turbine system (B) and the monitoring device in real time, and establishing a mapping relation between the communication verification times in a preset period and the detection time corresponding to the communication verification times to form a reference database;
the monitoring device is further used for matching the communication verification times to be verified with the reference database, and if the matching result meets a first preset condition, acquiring and confirming that the first gas transmission pressure is equal to the second gas transmission pressure, and sending a closing signal of the main gas turbine system (A); the number of communication checks to be verified is the number of communication checks collected after the preset period.
6. The redundant control system for engine maintenance of claim 5,
the monitoring device detects that the communication verification times in the preset period exceed a preset value, and sends out a switching signal; after receiving the switching signal, the standby gas turbine system (B) establishes communication connection with the monitoring device through the standby communication module and sends a first prompt signal.
7. The redundant control system for engine maintenance of claim 5,
and when the monitoring device receives the overhaul signal or receives the stop request sent by the main combustion engine system (A), the starting signal and the second prompt signal of the standby combustion engine system (B) are sent.
8. The redundant control system for engine maintenance of claim 5,
the monitoring device is also used for confirming that when the priority level corresponding to the communication checking times to be verified belongs to the reference priority level set, if the communication checking times to be verified are larger than the average communication checking times in the priority level corresponding to the communication checking times to be verified, the matching result accords with a first preset condition;
the preset period comprises a natural gas conveying period, the conveying period comprises acquisition time periods with different priority levels, and the acquisition time periods correspond to different acquisition times; the first preset condition comprises an input reference priority level set, and the reference priority level set comprises all or part of priority levels in a transmission period.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104836484A (en) * | 2015-05-28 | 2015-08-12 | 北京航空航天大学 | Redundant backup-based rope driving system and control method thereof |
| CN207673443U (en) * | 2017-06-23 | 2018-07-31 | 湖北欧安电气股份有限公司 | Gas turbine measures control protective unit |
| CN109856957A (en) * | 2019-03-01 | 2019-06-07 | 武汉华沃电源技术有限公司 | A kind of generating set redundancy monitoring system |
| CN209875259U (en) * | 2019-04-04 | 2019-12-31 | 深圳市沃尔奔达新能源股份有限公司 | Smoke exhaust purification device of internal combustion generator set |
| CN110768305A (en) * | 2019-10-30 | 2020-02-07 | 南方电网科学研究院有限责任公司 | Method, device and equipment for coordinating standby resources and storage medium |
-
2020
- 2020-08-12 CN CN202010815162.6A patent/CN111880464B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104836484A (en) * | 2015-05-28 | 2015-08-12 | 北京航空航天大学 | Redundant backup-based rope driving system and control method thereof |
| CN207673443U (en) * | 2017-06-23 | 2018-07-31 | 湖北欧安电气股份有限公司 | Gas turbine measures control protective unit |
| CN109856957A (en) * | 2019-03-01 | 2019-06-07 | 武汉华沃电源技术有限公司 | A kind of generating set redundancy monitoring system |
| CN209875259U (en) * | 2019-04-04 | 2019-12-31 | 深圳市沃尔奔达新能源股份有限公司 | Smoke exhaust purification device of internal combustion generator set |
| CN110768305A (en) * | 2019-10-30 | 2020-02-07 | 南方电网科学研究院有限责任公司 | Method, device and equipment for coordinating standby resources and storage medium |
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