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5603 results about "Power equipment" patented technology

Intelligent inspection robot system for transformer substation equipment

The invention discloses an intelligent inspection robot system for transformer substation equipment. The intelligent inspection robot system for the transformer substation equipment comprises a control center, a wireless communication network and an inspection robot, wherein the control center realizes remote control and data transmission with the inspection robot through the wireless communication network; the control center comprises an upper control host, an inspection monitoring data processing module and a robot remote control transmission module; and the inspection robot comprises a robot control unit, a robot body mechanism, a robot obstacle detection and navigation device, a robot remote control receiving module and a field signal acquisition and transmission device. The intelligent inspection robot system for the transformer substation equipment inspects power equipment in a transformer station through the inspection robot, transmits related data acquired in real time to the control center through the wireless communication network and displays the related data on related equipment, so that workers can remotely monitor the on-site working condition and the operation condition of the equipment conveniently, remote areas and unattended stations can be monitored remotely, and time and labor are saved.
Owner:MAINTENANCE BRANCH OF STATE GRID CHONGQING ELECTRIC POWER +1

Electrical equipment state maintenance system

The invention provides an electrical equipment state maintenance system. The electrical equipment state maintenance system comprises an operation and maintenance base layer platform, a state monitoring module, a state evaluation module, a risk assessment module, a fault diagnosis module and a maintenance strategy module, wherein production area I data of a power grid system and production area III data of the power grid system are integrated on the operation and maintenance base layer platform, the state monitoring module is used for collecting on-line monitoring data of electrical equipment and operating environment information of the electrical equipment through the operation and maintenance base layer platform, the state evaluation module is used for evaluating the on-line monitoring data according to state evaluation standards of the electrical equipment to acquire an electrical equipment health state represented by the on-line monitoring data, the risk assessment module is used for calculating the risk index of the electrical equipment according to risk assessment standards of the electrical equipment, the fault diagnosis module is used for diagnosing faults of the electrical equipment and generating a fault diagnosis report according to the health state and the risk index of the electrical equipment, and the maintenance strategy module is used for generating maintenance strategy information of the electrical equipment according to the health state, the risk index and the fault diagnosis report of the electrical equipment. By means of the electrical equipment state maintenance system, evaluation, assessment and predication are automatically carried out on the power grid system, and therefore the automation level and the intelligentization level of the power grid system are improved.
Owner:EXAMING & EXPERIMENTAL CENT OF ULTRAHIGH VOLTAGE POWER TRANSMISSION COMPANY CHINA SOUTHEN POWER GRID +1

Positioning device and positioning method for fault detection of local discharge

The invention discloses a positioning device and a positioning method for fault detection of local discharge, and the positioning device comprises two sensors, a local discharge detection positionfinder and a computer, wherein, the two sensors consist of an electromagnetic sensor and a resonant ultrasonic sensor; the local discharge detection positionfinder is internally provided with double-signal paths in parallel; the positioning device also comprises a data acquisition card and a liquid crystal display (LCD) which are connected with the output ends of the double-signal paths; one path of the double-signal paths is an electromagnetic path connected with a peripheral electromagnetic sensor, while the other path thereof is an ultrasonic channel connected with a peripheral resonant ultrasonic sensor; one path is displayed by the LCD connected with the acquisition card, and the other path is sent to a peripheral computer through data wires after signal received by the electromagnetic path and the ultrasonic path is processed by the acquisition card. The test method is simple and flexible, has easy operation and strong anti-interference performance, overcomes the defect of single detection method for local discharge in the prior art, and can realize accurate detection and position on local discharge fault points in power equipment.
Owner:优能电气(天津)有限公司

Comprehensive monitoring and early warning system based on meteorology and power grid GIS and method thereof

The invention discloses a comprehensive monitoring and early warning system based on meteorology and a power grid GIS and a method thereof. The system comprises a data layer and an application layer. The data layer consists of a meteorological database, a power grid GIS database, and a production and operation database. The application layer includes a meteorological monitoring module, a meteorological early warning module, a power grid weather module, an information display module, and an auxiliary decision-making module. The meteorological database, the power grid GIS database, and the production and operation database carry out communication mutually; and the meteorological monitoring module, the meteorological early warning module, the power grid weather module, the information display module, and the auxiliary decision-making module carry out communication with the meteorological database, the power grid GIS database, and the production and operation database respectively. According to the invention, meteorological monitoring information like the temperature, wind direction, and wind speed and the like of important power equipment like a transformer substation, a transmission and transformation line, and a tower can be gotten in real time; and visual meteorological real-time data can be provided for the power grid. Meanwhile, prediction and disaster early warning information of the typhoon and thunder and the like can be provided every 12 hours in the next seven days.
Owner:EMERGENCY MANAGEMENT CENT OF STATE GRID SHANDONG ELECTRIC POWER

Transformer substation electrical equipment comprehensive physical examination system based on cloud side end collaborative perception

The invention relates to a transformer substation electrical equipment monitoring, analyzing and processing system and particularly relates to a transformer substation electrical equipment comprehensive physical examination system based on cloud side end collaborative perception. The system is characterized in that multi-node detection and unified perception access are realized through an integrated communication network architecture on the edge side of a station end, an intelligent sensing terminal is comprehensively covered in real time. Meanwhile, local intelligent data processing is realized by utilizing an edge computing technology; an omnibearing intelligent diagnosis and analysis system of the transformer substation is constructed at a cloud end, and multiple functions such as abnormal real-time early warning and intelligent sensing prediction are realized, so that the real-time tracking of the operation state of the power equipment of the transformer substation is realized. Themethod has the advantages that the transformer substation can be covered, monitoring data can be comprehensively utilized, an intelligent processing scheme can be provided, construction of the intelligent transformer substation is promoted, and the intelligent evaluation and safety early warning level of the electrical equipment state of the transformer substation is improved.
Owner:STATE GRID INFO TELECOM GREAT POWER SCI & TECH +2

Power equipment current-carrying fault trend prediction method based on least squares support vector machine

The invention discloses a power equipment current-carrying fault trend prediction method based ona least squares support vector machine. The method provided by the invention comprises the steps of employing historical temperature data to train an LS-SVM regression model, and employing a PSO optimization algorithm to adjust two parameters of the model, namely nucleus width sigma and punishment parameter gamma; employing a PCA algorithm and a K-means clustering algorithm to real-time analyze the temperature of equipment contacts to find contacts with abnormal temperature rising, and using the temperature value asan initial value sequence of prediction;and finally employing the regression model obtained by training to predict the temperature value of the initial value for a long term and for a short term, and analyzing the highest point the contact temperature may reach and the time when the contact temperature reaches the highest point. Through predictive analysis based on PSO-LSSVM, fault development trend of equipment contacts is actively controlled, so the time for timely measures and ensuring the safe operation of power grid is bought. The method provided by the invention can be widely used in the field of power equipment forecast alarm protection.
Owner:ZHEJIANG UNIV +1

Device, system and method for measuring space charges by using electro-acoustic (PEA) method

The invention provides a device, a system and a method for measuring space charges by using an electro-acoustic (PEA) method. The device comprises a first electrode, a second electrode, a first thermostatic source, a second thermostatic source, a high-voltage direct current power supply, a pulse generator and a piezoelectric transducer, wherein the first electrode is used for contacting with one surface of the tested insulation material sample; the second electrode is used for contacting with the other surface of the tested insulation material sample; the first thermostatic source is used forconducting the temperature to the first electrode; the second thermostatic source is used for conducting the temperature to the second electrode; the high-voltage direct current power supply is used for transmitting the high-voltage direct current to the first electrode; the pulse generator is used for transmitting a high-voltage pulse signal to the first electrode; the piezoelectric transducer is used for detecting the acoustic signal of the tested insulation material sample, generated by the functions of the temperature gradient field, the high-voltage electric field and the high-voltage electric pulse, and is used for converting the acoustic signal into an electrical signal to output. The invention is used for measuring the distribution of the space charges in the high-voltage direct current power equipment insulation in the temperature gradient field.
Owner:XI AN JIAOTONG UNIV

Method for intelligently inspection substation equipment by using robot

The invention discloses a method for intelligently inspection substation equipment by using a robot, which comprises the following steps: arranging RFID tags at the detection points of power equipment, wherein positioning information is stored in each RFID tag; respectively storing the information corresponding to each RFID tag into an upper control host and a lower control machine on an inspection robot; installing an RFID reader-writer on the inspection robot; and after the detection is started, enabling the lower control machine to control the inspection robot to walk to the detection points of the power equipment along the predetermined paths according to the instruction of the upper control host, thereby recognizing the RFID tags by using the RFID reader-writer and finishing the information acquisition of the power equipment. By combining the RFID technology with the communication technology and the automatic control technology, the method successfully solves the problems of positioning and orientating of the inspection robot in the walking process. The method can ensure that the inspection process is convenient and reliable, the acquired data is accurate and effective, and workers can conveniently monitor the working conditions of the field and the operating conditions of the equipment remotely, thereby realizing the purpose of remotely monitoring remote areas and unattended stations.
Owner:MAINTENANCE BRANCH OF STATE GRID CHONGQING ELECTRIC POWER +1

Virtual reality-based power safety production scene interaction system

The invention relates to a virtual reality-based power safety production scene interaction system. The system comprises a server and a virtual reality terminal communicating with the server, wherein the server comprises a three-dimensional model generation unit used for building power equipment and place three-dimensional models according to actual power construction demands and performing storage, an information obtaining unit used for collecting and obtaining power production data of power equipment in a power production system, an information association unit used for enabling the power production data of the power equipment to be in one-to-one correspondence with the power equipment three-dimensional models and performing association, and an information processing unit for generating virtual power scene image data according to actual demands and the power production data and sending the virtual power scene image data to the virtual reality terminal; and the virtual reality terminal used for generating a virtual power reality scene image according to the virtual power scene image data and performing display. According to the system, a virtual environment is consistent with a production scene, so that accidents can be reduced and personal and equipment safety is greatly ensured.
Owner:李福荣

Automatic electric pole climbing operating platform

The invention discloses an automatic electric pole climbing operating platform comprising a gear rack sliding climbing mechanism, a buckle locking mechanism, a work platform, and a hoop rotating mechanism. The gear rack sliding climbing mechanism comprises an inner sliding arm, an outer sliding sleeve, a driving device, and climbing unidirectional guide wheels. The inner sliding arm is inserted into the outer sliding sleeve from the top of the outer sliding sleeve and is in sliding connection with the outer sliding sleeve. The driving device drives the inner sliding arm to slide. The top of the inner sliding arm, the top end and the bottom end of the outer sliding sleeve are all equipped with the climbing unidirectional guide wheels. The climbing unidirectional guide wheels are in sliding connection with an electric pole. The buckle locking mechanism locks the inner sliding arm and the outer sliding sleeve or separates the inner sliding arm and the outer sliding sleeve from the electric pole. The work platform is fixed to the outer sliding sleeve and tightly holds or loosens the electric pole by means of the hoop rotating mechanism. The automatic electric pole climbing operating platform helps a worker improve power equipment installation and maintenance work efficiency, and reduces the labor intensity and the accident risk of the worker.
Owner:CHANGZHOU COLLEGE OF INFORMATION TECH

Regional building energy consumption predicting method

The invention discloses a regional building energy consumption predicting method. The regional building energy consumption predicting method comprises the steps of: S1, acquiring an annual energy consumption data sample set of buildings as data for building energy consumption prediction; S2, calculating cooling and heating loads of individual buildings, respectively, according to form of terminal air conditioners and heating equipment of the buildings; S3, calculating the energy consumption of cold and heat source related energy-consuming equipment of the buildings according to the cooling and heating loads of the individual buildings; S4, calculating the energy consumption of illumination equipment of the individual buildings; S5, calculating the energy consumption of electric equipment of the individual buildings; S6, calculating the energy consumption of power equipment of the individual buildings; S7, accumulating the energy consumption obtained in the steps S3, S4, S5 and S6 to obtain the annual energy consumption of the individual buildings; and S8, calculating the total energy consumption of all buildings in the region according to the annual energy consumption of the individual building. The method disclosed by the invention breaks through the limitation that for single building energy consumption prediction, an energy station is taken as a node, establishes an energy consumption predication calculating model of a building group in the region, and can provide a reliable ground for overall planning and management of regional energy sources.
Owner:BEIJING BUILDING TECH DEV

On-demand power control system, on-demand power control system program, and computer-readable recording medium recording the same program

Power is supplied to electrical devices while priorities between the electrical devices are being changed according to the states of use by a user instead of predetermined fixed priorities between the electrical devices, supply of power from a commercial power source can be controlled in real time at a request for power required by the user, and supply of power meeting QoL required in user's daily life is controlled. A power manager determines power to be assigned to each electrical device by inquiring a home appliance agent of whether or not the electrical device is capable of adjusting an operating function mode set as a target of a service operation of the electrical device, and of power for the electrical device. If the electrical device is capable of adjusting the operating function mode, the power manager obtains as a power assignment message the operating function mode set as a target for the electrical device and/or a power mode with power necessary for reaching the operating function mode as a target and with necessary time. If the electrical device is not capable of adjusting the operating function mode, the power manager obtains a power mode as a power assignment message without considering the operating function mode. The power manager includes a memory for transmitting the obtained power assignment message to the home appliance agent.

A multi-mode combined cooling, heating and power micro-grid system considering ice storage air conditioning

A multi-mode combined cooling, heating and power micro-grid system considering ice storage air conditioning is composed of a distributed power generation system composed of photovoltaic power generation, wind power generation, a fuel cell, a micro gas turbine and ice storage air conditioning, primary system composed of an energy storage system and other co-supply equipment, and a secondary dispatching control system. A CCHP-MG multi-time-scale optimal scheduling method is proposed, in a day-ahead plan, the uncertainty of renewable energy is described through multiple scenes, economic operationof CCHP-MG in a running optimization period is focused on; Intra-day scheduling is based on the scheme of the day-ahead plan, the difference and correlation of cooling, heating and power on scheduling time scale are considered, a two-layer rolling optimal scheduling scheme is proposed, the upper layer dispatches the combined cold and heat supply equipment, the lower layer adjusts power equipment,taking minimization of the adjustment cost as the goal, the smooth output of each co-supply equipment is obtained. The invention can remarkably improve the comprehensive utilization efficiency of energy and the local absorption capacity of the distributed renewable energy, and realize the economic and safe operation of the multi-energy micro-network.
Owner:CHINA THREE GORGES UNIV

Power equipment integrated monitoring and early warning system based on big data and analysis method thereof

The invention discloses a power equipment integrated monitoring and early warning system based on big data and an analysis method of the power equipment integrated monitoring and early warning system. The system comprises a sensor group, a monitoring unit group and a power equipment integrated diagnosis platform, wherein the sensor group comprises multiple sensors used for obtaining monitoring parameters of a coupling transformer, a power cable and a GIS; the monitoring unit group comprises monitoring units used for monitoring the monitoring parameters of the coupling transformer, the power cable and the GIS, and each monitoring unit is connected with the corresponding sensor; the power equipment integrated diagnosis platform is connected with the monitoring unit group and used for achieving storage and management of multi-target power equipment monitoring data based on an HDFS, diagnosis based on the MapReduce technology and a fault sample bank, and real-time storage of monitoring index quantity and diagnosis results based on the NoSQL database technology; through a high-speed two-way data transmission mechanism, uploading of mass data monitored by multi-target power equipment in real time to a monitoring center is achieved on one hand, and feedback and early warning of the diagnosis results are achieved on the other hand.
Owner:STATE GRID CORP OF CHINA +1

Novel remote real-time intelligent monitoring system for injurious insects and monitoring method implemented by system

The invention discloses a novel remote real-time intelligent monitoring system for injurious insects and a monitoring method implemented by the system. The novel remote real-time intelligent monitoring system and the monitoring method are mainly used in the field of monitoring for injurious insects. The monitoring system mainly comprises modules such as power equipment, a trap, a counting system, an environmental information collecting system, a central control system and a safety detection system, and is characterized in that statistics of the quantity of trapped injurious insects is relevant to change of current in the trap, and insect condition monitoring information can be directly acquired after relevant instructions are transmitted. The novel remote real-time intelligent monitoring system and the monitoring method have the advantages that functions of trapping the injurious inspect, counting the injurious insects by the aid of a power grid, transmitting data, receiving the information and the like are implemented by the different modules of the system, so that effects of efficiently killing the trapped injurious insects, accurately counting the injurious insects and timely reporting the insect condition information are realized, a series phenomena such as mistaken reporting, missed reporting and information transmission lag are prevented, and the requirement on large-scale and systematic forecasting for various injurious insects during agricultural production is met.
Owner:北京依科曼生物技术股份有限公司
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