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33results about How to "Full check" patented technology

Active power distribution network control strategy and method

The invention discloses an active power distribution network control strategy and method. The method includes the following steps that firstly, all circuits and distributed power source information are initialized; secondly, t is equal to zero, and initial load flow calculation preparation is conducted; thirdly, the changes of P and Q are compared, whether load changes exist or not is judged; fourthly, normal operation is conducted, and adjustment is not made; fifthly, primary adjustment of a system is conducted; sixthly, secondary adjustment of the system is conducted; seventhly, frequency control is conducted; eighthly, voltage control is conducted; ninthly, active output and reactive output are adjusted, and the offset is adjusted; tenthly, a new round of load flow calculation is prepared. According to the active power distribution network control strategy and method, global optimization can be achieved only with the communication of local information, the control efficiency is improved, and the control cost is reduced; due to the layered control over an active power distribution network, the logic and the function of protection can be verified more comprehensively, more efficiently and faster, the functions of control and protection are fully developed, the safe and reliable operation of a power grid is ensured, the debugging manpower and the debugging material resources are greatly saved, the production cost is lowered, and industrialization, application and popularization in the future are facilitated.
Owner:YUNNAN POWER GRID CO LTD ELECTRIC POWER RES INST

Method for analyzing torsional vibration of shafting of vehicle range extender

The invention relates to a method for analyzing torsional vibration of a shafting of a range extender for a vehicle. The method comprises the following steps: 1, establishing a torsional vibration model of the shafting of the range extender; 2, determining structure parameters of each node of the vibration model; 3, obtaining the inherent frequency of each order of the shafting of the vibration model according to the mechanical vibration theory; 4, calculating a corresponding excitation frequency, and judging whether the excitation frequency interferes with the inherent frequency or not; 5, ifthe judgment result is that interference does not exist, judging to obtain the shafting safety of the vehicle range extender, If the judgment result is that interference exists, performing forced vibration analysis to obtain the maximum amplitude and the maximum relative torsion angle of a resonance node of the vibration model; and 6, obtaining the maximum stress of the vibration model based on the maximum relative torsion angle so as to compare the maximum stress with the allowable stress of the material, judging that the shafting safety of the vehicle range extender is obtained if the comparison result meets the set safety coefficient, and returning to the step 2 to modify the structural parameters of each node if the comparison result does not meet the set safety coefficient. Comparedwith the prior art, the method has the advantages of accurate checking, accurate calculation result and the like.
Owner:TONGJI UNIV

Method for quickly and conveniently detecting firewall configuration

The invention discloses a method for quickly and conveniently detecting firewall configuration. The method is characterized by comprising the following steps: accessing a target network or target firewall equipment through a portable terminal for detection, performing activity detection on the existing firewall equipment, and automatically reading a corresponding configuration acquisition commandfrom a command library and acquiring corresponding configuration information of a firewall by the portable terminal according to the detected equipment model; and finally, based on the obtained information, determining whether the configuration of the target firewall equipment is correct or not by comparing the information obtained from the correct rule base with the configuration information readby the command, if the configuration of the target firewall equipment is correct, ending the detection, otherwise, enabling the terminal equipment to automatically modify the firewall configuration according to the rule set by the user, and meanwhile, supporting the user to manually modify the firewall configuration. According to the method, the configuration of the specified firewall in the target network can be accurately, comprehensively, quickly and flexibly detected and verified, and the configuration which does not meet the requirement is modified.
Owner:YUNNAN POWER GRID CO LTD KUNMING POWER SUPPLY BUREAU

Distribution network automation master station GIS single line diagram updating verification method and device

The invention relates to the technical field of distribution network automation, in particular to a distribution network automation master station GIS single line diagram updating verification method and device, and the method comprises the following steps: S1, building a data interface, and regularly obtaining a version list of all GIS system single line diagrams from a GIS system through the data interface; S2, based on a single line diagram which is being used in the distribution network system, enabling the distribution network system to record version information of the single line diagram in a commercial library to form a system single line diagram version library; S3, acquiring data information of the power distribution GIS system through the data interface; S4, dividing power distribution network lines into different feeder groups through distribution network feeder group analysis according to the data information obtained in the S3, and verifying a system single line diagram version library and a version list of a GIS system single line diagram by a distribution network system by taking the feeder groups as units; and S5, enabling the distribution network system to record each verification result of the system single line diagram version library and the version list of the GIS system single line diagram in the commercial library. According to the invention, the verification process can be ensured to be safe, rapid, accurate and free of omission.
Owner:GUANGDONG POWER GRID CO LTD DONGGUAN POWER SUPPLY BUREAU

Cross-system and cross-department business cooperation information exchange method based on government affair field

The invention relates to a cross-system and cross-department business cooperation information exchange method based on the government affair field, which is used for carrying out cross-department and cross-region information exchange by taking a whole-city department business application system as an object, and comprises the following steps of: accessing departments; establishing a transmission information data structure, forming a message transmission envelope, wherein the message transmission envelope comprises a message header and a message body; performing information transmission, wherein the information transmission comprises a data sending process and a data receiving process; and during implementation, performing security supervision on the data stream, including a token mechanism, a signature mechanism and a data encryption mechanism. Therefore, a unified application identity management and control system, a unified encryption mode and perfect verification are provided, and the security and reliability of cooperative information exchange between departments are greatly improved. Based on the tcp protocol, the data packet is smaller, and the transmission speed is higher. A request retry confirmation mechanism is included. The timeliness and effectiveness of information exchange are effectively improved.
Owner:江苏云坤信息科技有限公司

Service data monitoring method and system, monitoring architecture, equipment and storage medium

The invention discloses a service data monitoring method and system, a monitoring architecture, equipment and a storage medium, and the method comprises the steps: monitoring a business message in real time, and obtaining business data according to the monitored business message, and comprises the steps: obtaining first business data corresponding to business execution request data transmitted bya first business subsystem in real time; acquiring recorded corresponding service execution request data from an associated service subsystem in real time to serve as third service data; acquiring second business data corresponding to the business processing operation completed by the associated business subsystem in real time; performing real-time check on the obtained service data to obtain a check result, including: performing real-time check on the first service data and the third service data to determine whether the first service data and the third service data are consistent; checking the second business data and the first business data in real time, and determining whether the two business data are consistent; and generating corresponding monitoring information based on the check result and outputting the monitoring information. By adopting the scheme, the real-time performance of consistency check of the service data can be improved, and accumulation of error data is reduced.
Owner:RAJAX NETWORK &TECHNOLOGY (SHANGHAI) CO LTD

Business data monitoring method and system, monitoring architecture, equipment, storage medium

A business data monitoring method and system, monitoring architecture, equipment, and storage medium, the method comprising: monitoring business messages in real time, and acquiring business data according to the monitored business messages, including: acquiring in real time a business execution request sent by the first business subsystem The first business data corresponding to the data; obtain the corresponding business execution request data recorded in real time from the associated business subsystem as the third business data; obtain the second business data corresponding to the business processing operation completed by the associated business subsystem in real time; Real-time verification of the business data to obtain the verification results, including: real-time verification of the first business data and the third business data to determine whether they are consistent; real-time verification of the second business data and the first business data to determine whether they are consistent; Check the results to generate corresponding monitoring information and output. Adopting the above solution can improve the real-time performance of business data consistency check and reduce the accumulation of wrong data.
Owner:RAJAX NETWORK &TECHNOLOGY (SHANGHAI) CO LTD

An active distribution network control strategy and method

The invention discloses an active power distribution network control strategy and method. The method includes the following steps that firstly, all circuits and distributed power source information are initialized; secondly, t is equal to zero, and initial load flow calculation preparation is conducted; thirdly, the changes of P and Q are compared, whether load changes exist or not is judged; fourthly, normal operation is conducted, and adjustment is not made; fifthly, primary adjustment of a system is conducted; sixthly, secondary adjustment of the system is conducted; seventhly, frequency control is conducted; eighthly, voltage control is conducted; ninthly, active output and reactive output are adjusted, and the offset is adjusted; tenthly, a new round of load flow calculation is prepared. According to the active power distribution network control strategy and method, global optimization can be achieved only with the communication of local information, the control efficiency is improved, and the control cost is reduced; due to the layered control over an active power distribution network, the logic and the function of protection can be verified more comprehensively, more efficiently and faster, the functions of control and protection are fully developed, the safe and reliable operation of a power grid is ensured, the debugging manpower and the debugging material resources are greatly saved, the production cost is lowered, and industrialization, application and popularization in the future are facilitated.
Owner:YUNNAN POWER GRID CO LTD ELECTRIC POWER RES INST
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