20 results about "Hot spare" patented technology

The invention provides an RAID (redundant array of independent disks) data processing method and device, a chip, electronic equipment, a storage medium and a computer program product, and is applied to RAID, the method comprises the following steps: detecting that at most three storage devices fail, determining at most three corresponding to-be-recovered areas in a stripe, and storing the to-be-recovered areas in the stripe; the to-be-recovered area is a data area, a verification area, a first hot standby area and / or a second hot standby area; determining a target area based on at most three areas to be recovered, wherein the target area is a data area, a verification area, a first hot standby area and / or a second hot standby area except the areas to be recovered; and target information in the target area is read, and the data information and / or the first verification information of the to-be-recovered area are / is recovered based on the target information.

The invention relates to a server disk RAID state monitoring method and device and a readable storage medium. The method comprises the steps that the health state of a battery backup unit is judged according to RAID hardware information; obtaining SMART attribute information to judge the health state of a server disk; obtaining the state of a server disk RAID array, reconstruction progress information and availability information of a hot spare disk so as to judge the performance of the server disk; when the RAID array has the degradation state, a fault disk corresponding to the degradation state in the RAID array is determined, reconstruction of the RAID array is automatically triggered, replacement operation of the fault disk is executed, and alarm information is sent to an upper computer; the RAID hardware information, the SMART attribute information, the state of the RAID array, the reconstruction progress information, the availability information of the hot spare disk and the position information of the fault disk are uploaded to a log file; and encrypting the log file by using an AES algorithm. The accuracy of the method for monitoring the RAID state of the server disk and the safety and reliability of the log file are improved.

A duplex configuration for application state synchronicity. A primary controller actively monitors and controls a plant / process and a secondary controller takes over in case of a failure of the primary controller. Input data is received at respective inputs of the primary controller and the secondary controller. Determining which of the received input data is associated with or should be treated as External Events permits achieving application state synchronicity between the primary controller and the secondary controller by synchronizing the execution of events associated with the same input data.

The invention relates to a combined cooling and heating collaborative optimization method for a central air conditioner, which comprises the following steps of: when cold and heat load fluctuation is detected, according to the response speed difference of a cooling and heating system, asymmetrically controlling the time sequence and pre-starting or hot standby of equipment, so that the time sequence of a cold and heat source is coordinated; potential physical interference nodes or cross paths are identified in the operation process of the cooling and heating system, a hydraulic or energy transmission path is temporarily passivated, and the reverse coupling influence between the cooling and heating system is reduced in combination with hot side delayed water feeding and cold side path adjustment; according to the method, the asymmetric control time sequence and the cold and hot response priority queue are introduced, the control windows can be dynamically distributed according to the cold and hot source response speed difference, the system control conflict problem caused by simultaneous adjustment of the cold and hot sources is avoided, the cold and hot system rush adjustment phenomenon is effectively relieved, and response adjustment is more orderly. By means of the pre-starting device and the hot standby mechanism, the device can be awakened in advance or maintained in the heat balance pre-starting state before load fluctuation.

The invention relates to a mounting structure of a redundant hot standby device. The mounting structure comprises a mounting frame; the mounting positions are arranged on the mounting frame, and at least two mounting positions are arranged at intervals; and the wire guiding device is arranged at the mounting position, and a plurality of wire passing holes which are arranged at intervals are formed in the wire guiding device. The mounting rack is provided with at least two mounting positions for mounting the control equipment, the mounting positions are arranged at intervals to separate the control equipment, each mounting position is provided with a wire guide device, each wire guide device is provided with a plurality of wire passing holes which are arranged at intervals, and a wire is mounted in each wire passing hole to separate the plurality of wires. And a plurality of wires are prevented from being mutually crossed and wound.

The invention provides an RAID (redundant array of independent disks) data processing method and device, a chip, electronic equipment, a storage medium and a computer program product, relates to the field of data processing, is applied to an RAID, and comprises the following steps: detecting that at most four storage devices fail, determining at most four corresponding to-be-recovered areas in a stripe, and storing the to-be-recovered areas in the stripe; the to-be-recovered area is a data area, a verification area and / or a first hot standby area; determining a target area based on the at most four areas to be recovered, wherein the target area is a data area, a verification area and / or a first hot standby area except the areas to be recovered; target information in the target area is read, and data information and / or first verification information of the to-be-recovered area are / is recovered based on the target information.

Provided are a Hot Backup system and method, and an electronic device and a storage medium. The system includes: an accelerator card, correspondingly connected to a primary server on a one-to-one basis, connected to a standby server in a sharing manner, and configured to acquire operating state information, operation log information, memory information, and configuration information of the primary server, in a case where determining, according to the operating state information, that the primary server has crashed, acquire data to be processed that is to be transmitted to the primary server, and transmit the operation log information, the memory information, the configuration information, and the data to be processed to the standby server; and the standby server, configured to generate, through simulation, a virtual application environment of the primary server and execute an application service of the primary server.

The invention discloses a dual-power supply control method and device based on hot standby. The method comprises the following steps: acquiring a first input AC voltage of a first rectification module, a second input AC voltage of a second rectification module and an input DC voltage of an inversion module; comparing the first input alternating-current voltage with the upper and lower limits of an alternating-current threshold to obtain a first alternating-current working signal, comparing the second input alternating-current voltage with the upper and lower limits of the alternating-current threshold to obtain a second alternating-current working signal, and comparing the input direct-current voltage with the lower limit of a direct-current threshold to obtain a direct-current working signal; determining the working states of the first rectification module and the second rectification module according to the first AC working signal, the second AC working signal and the DC working signal; and for the rectifier module in the fault state, the hot standby state or the normal working state, different control modes are respectively carried out. By adopting the technical scheme, the voltage and current impact in the switching process is reduced, and the switching time is shortened.

The invention discloses a hot standby excitation system shared by multiple generator sets, and belongs to the technical field of automatic control, the system comprises generator excitation systems and hot standby excitation systems, any one of the generator excitation systems and the hot standby excitation systems is provided with power cabinets with the same number, an anode power supply input end of a power cabinet in the hot standby excitation system is connected to a low-voltage side of an excitation transformer of the generator set through standby excitation anode switches of the generator sets respectively, and an output end of the power cabinet is connected to rotor circuits of the generator sets in parallel through standby excitation switches of the generator sets respectively. The hot standby excitation system used in the system is an independent excitation system with a power cabinet, multiple generator sets can be connected, rapid switching of the excitation system can be achieved, and switching reliability and safety are improved.

This application discloses a method, apparatus, and medium for handling abnormal RAID member disks, relating to the field of disk array storage. In order to reduce the experimentation of hot spare disks, this application provides a method to reserve a portion of storage space on the RAID member disks to store data sent by the host to the abnormal RAID member disks in the event of an abnormal RAID member disk. During the process of repairing the abnormal RAID member disks, the I / O commands received by the RAID card are directly cached in the hard drives of other normal member disks. After the RAID card successfully repairs the abnormal member disks, the RAID card can restore the data stored in the reserved storage space to the member disks that were abnormal before the RAID, avoiding data inconsistency problems caused by the member disks being unable to receive I / O commands. If the member disks can be successfully repaired, there is no need to start the hot spare disk.

The invention discloses an annual cold and hot standby distribution method and device for a multi-power-source electric power system containing new energy, terminal equipment and a storage medium, and belongs to the technical field of electric power system operation, and the method comprises the steps: generating an approximate weekly continuous load curve according to a first annual load curve; wherein the approximate weekly continuous load curve comprises a plurality of load segments, and the load of each load segment corresponds to one segment load level; constructing an annual operation model according to all the approximate weekly continuous load curves; and solving the annual operation model under unit maintenance constraint, unit operation constraint, new energy power operation constraint and system operation constraint, and calculating cold reserve capacity and hot reserve capacity of each week according to a model solving result. According to the method, the problem scale is remarkably reduced, the solving efficiency is improved, and the problem of overlong solving time caused by overlarge problem scale in the prior art can be solved.

The invention discloses a method for judging a hot standby state of voltage output equipment based on induced voltage, which is used for an equipment switch loop, and comprises the following steps of: switching power transmission of a circuit breaker switch to a hot standby state, and specifically, acquiring auxiliary contact position signals of a grounding knife switch, an isolation knife switch and the circuit breaker switch in real time; judging whether the equipment does not enter a hot standby state or not according to the auxiliary contact position signal, if so, outputting a corresponding prompt, and if not, executing the next step; acquiring three-phase phase voltage and line voltage of a to-be-transmitted side of the circuit breaker switch; and sequentially carrying out induced voltage threshold, balance degree and out-of-limit judgment, if any item is unqualified, outputting a corresponding abnormal prompt, and if all items pass, outputting that the hot standby state is normal and storing data. During reverse power failure, verification can be completed only by executing out-of-limit judgment. According to the invention, accurate positioning of abnormal links is realized, safety and efficiency of switching operation are improved, and bidirectional closed-loop control of power transmission / power failure is realized.

The invention discloses a multi-time-scale medium-and-long-term standby allocation method and device for a power system, terminal equipment and a storage medium, and belongs to the field of power systems. The method comprises the following steps: reconstructing according to time sequence load data to obtain a continuous load curve; clustering the new energy output data corresponding to each segment of time sequence load data to obtain a new energy output scene probability; on the basis of the continuous load curve and the new energy output scene probability, calculating the new energy output scene probability according to the unit operation parameters, the unit operation cost data and the new energy output data; constructing a medium-and-long-term operation simulation model, a first model constraint and a second model constraint of the power system by taking the sum of the power system operation cost, the load loss risk and the new energy abandoned electric quantity as a target; and calculating hot standby and cold standby of the power system according to the operation state variable of the power system obtained by solving the model, and distributing the standby of each load section in each preset time period of the power system. By implementing the invention, the problem of inaccurate standby allocation in the prior art is solved.

The utility model discloses an intelligent electric service vehicle -mounted equipment multi -path hot spare device, contain vehicle -mounted equipment test module, temperature control module and hot spare area. Vehicle -mounted equipment deposits in hot spare area, can carry out hot spare to three sets of vehicle -mounted equipment simultaneously, and all are connected with test module. Test module has host computer mainboard, display and simulation control plug -in, and hot spare area sets up heater and temperature sensor, all link temperature control module, and module still connects high temperature alarm device. The device supports 3 sets of equipment synchronous hot spare, integrates automatic temperature control and intelligent test function, improves spare system reliability, simplifies the structure, saves the cost. Through PID regulation accurate simulation locomotive high temperature environment, sensor monitors temperature, and when alarm is set up 2 when exceeding, guarantees equipment safety. Simulation control plug -in can simulate a variety of signals and gather equipment information, and test information presents through display, and it is convenient for monitoring equipment state, ensures its performance to reach the standard.

The application provides a redundant array of independent disks (RAID) reconstruction method and device. When a fault disk is reconstructed, P target hot spare disks are selected to reconstruct a specified fault disk in the RAID. A logical disk for reconstructing the fault disk is created and divided into P subspaces. The space of the fault disk is divided into P subspaces. According to the corresponding relationship between the subspaces of the fault disk and the logical disk and the corresponding relationship between the subspaces of the logical disk and the mapping spaces of the target hot spare disks, the fault disk is reconstructed into each target hot spare disk in parallel. It can be seen that the technical solution provided by the embodiment does not reconstruct the fault disk into one selected hot spare disk according to the form that one fault disk corresponds to one hot spare disk, but selects multiple target hot spare disks at the same time and reconstructs the fault disk into the multiple selected target hot spare disks in parallel, so as to shorten the fault disk reconstruction time, improve the reconstruction efficiency of the fault disk in the RAID, and improve the reliability of the data in the RAID.

To provide a hot / standby loss compensation method, device and apparatus for balancing hot / standby electricity quantity of a wind power generation / solar power generation / energy storage power plant on site.SOLUTION: When the scheduling command power value is equal to the preset threshold and the active power direction vector of the grid connection point of the wind power generation / photovoltaic power generation / energy storage power station flows from the grid connection point to the wind power generation / photovoltaic power generation / energy storage power station, the active power value of the grid connection point is used as the active power scheduling value to be compensated, and power allocation is performed on the wind power generation / photovoltaic power generation / energy storage power station according to the active power scheduling value.SELECTED DRAWING: Figure 1

The invention provides a 10kV station service power modularized intelligent switching method and system, and the method comprises the steps: calling a corresponding operation mode block, a hot standby block and a cold standby block according to the current state and the target state of a target bus, and writing the numbers and states of a power switch, a feeder switch and a PT trolley into corresponding function blocks; state conversion operation between the function blocks is executed in sequence according to a preset conversion path, the operation mode block and the hot standby block are executed from bottom to top, and a simultaneous execution strategy is adopted between the hot standby block and the cold standby block; after each function block conversion operation is completed, whether the bus is successfully converted to the target state or not is judged in real time, if the target state is not achieved, the current operation process is terminated, manual intervention is prompted, and switching operation continues to be executed until the target state condition is met. According to the technical scheme provided by the invention, one-key conversion among various states of the 10kV auxiliary power bus is realized, and the operation efficiency and safety are improved.

The present invention relates to a method for operating a fuel cell (SOFC) or a high-temperature electrolysis or co-electrolysis reactor (1) having a stack of solid oxide elementary electrochemical cells (SOEC) in hot standby mode, comprising the step of supplying pulses of safety gas to the compartment on the hydrogen / water electrode (H2 / H2O) side at regular intervals during a given period to refresh the gas present in said compartment during a given period in the absence of current flowing from or applied to the stack, respectively, or when the temperature of the cell or reactor is required to increase or decrease, or when the cell voltage drops below a threshold value.

The application provides a kind of coordination control method and system of distributed compensator.The method comprises: assembling distributed compensator;Detecting the operating state of each phase converter each stage module;Calculate the number of modules that distributed compensator can effectively output voltage;Lock bypass when module fails;Convert the module that needs to be converted to hot standby state.According to the coordination control method and system of distributed compensator provided by the application, the coordination control of distributed compensator can be realized, the module fault of distributed compensator can be quickly and smoothly handled, and balanced control can be ensured after the module fault of a certain phase occurs in each phase of each loop line, to avoid unbalanced disturbance to the AC power grid.