Patents
Patents for G01R 31 - Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere (152,264)
09/2013
09/18/2013CN203203618U Electric actuator checking device
09/18/2013CN203198756U Monitoring and alarm device for electric car high-tension distribution system
09/18/2013CN203196914U Cleaning block and spot measurement device
09/18/2013CN103314477A Method and device for managing battery system
09/18/2013CN103314303A Method for ascertaining the open circuit voltage of a battery, battery with a module for ascertaining the open circuit voltage and a motor vehicle having a corresponding battery
09/18/2013CN103314302A Method and device for enhancing the reliability of generator ground fault detection on a rotating electrical machine
09/18/2013CN103312188A Power supply and testing method used for testing performance of electric reactor in power electronic device
09/18/2013CN103312183A Power supply for electric reactor performance testing in phase-control rectifying circuit and test method thereof
09/18/2013CN103312127A Quick discharging and indicating device for explosion-proof frequency converter for mines
09/18/2013CN103312033A Distribution abnormality detecting device, power transmission and reception control device
09/18/2013CN103311984A Alternating current charging post for electric automobile
09/18/2013CN103311688A Spiral high-voltage earth rod and method for detecting connection state thereof
09/18/2013CN103311589A Method for grouping storage batteries by voltage difference
09/18/2013CN103309381A Temperature and humidity combined control system and method for artificial pollution test room
09/18/2013CN103309064A Sensor, detection device and method
09/18/2013CN103308869A Test method for starting of modular multi-level multi-terminal flexible direct-current transmission system
09/18/2013CN103308868A Airplane power source system control and protection experiment device
09/18/2013CN103308867A Cascade mobile power supply testing device
09/18/2013CN103308866A Direct current insulation on-line monitoring device of transformer substation
09/18/2013CN103308865A Method and electric equipment for calculating secondary battery SOC (system on a chip) and self-learning OCV (open circuit voltage)-SOC curve
09/18/2013CN103308864A Method for estimating secondary cell SOH value and testing residual service life
09/18/2013CN103308863A Storage battery monitoring system based on fiber optical ring network
09/18/2013CN103308862A Remote intelligent transformer substation storage battery charge and discharge and residual capacity monitoring device
09/18/2013CN103308861A Semiconductor circuit, battery monitoring system, and diagnosis program and method
09/18/2013CN103308860A Battery fault detection method, battery fault detection device and battery management system
09/18/2013CN103308859A Monitoring system and monitoring method for statuses of storage batteries
09/18/2013CN103308858A Online inspection system for internal resistances of batteries
09/18/2013CN103308857A Power generator rotating rectifier detecting device and method
09/18/2013CN103308856A Adjusting positioning device
09/18/2013CN103308855A Wind turbine generator system fault diagnosis method and device based on gray correlation
09/18/2013CN103308854A Method and system for motor motion fault monitoring
09/18/2013CN103308853A Integrated test stand of miniature circuit breaker
09/18/2013CN103308852A Full-isolation relay contact action detecting circuit
09/18/2013CN103308851A Scan flip-flop, method thereof and devices having the same
09/18/2013CN103308850A Self-testing built-in framework and test method of touch IC (integrated circuit) analog front end
09/18/2013CN103308849A Test system for amplification capability of TV stylus signal panel
09/18/2013CN103308848A VS transient negative voltage endurance capacity testing device and method for high-voltage integrated circuit
09/18/2013CN103308847A Testing system for battery protection board and testing method thereof
09/18/2013CN103308846A Method and device for detecting functional performance of integrated chip based on model identification
09/18/2013CN103308845A Wafer inspection interface and wafer inspection apparatus
09/18/2013CN103308844A Testing template, fault location method and debugging methods of control board and clamping apparatus
09/18/2013CN103308843A Chip with receiver test function and circuit board with receiver test function
09/18/2013CN103308842A Debugging circuit
09/18/2013CN103308841A Method for calibrating four main gate marking piece
09/18/2013CN103308840A Wafer acceptance test method
09/18/2013CN103308839A Wafer inspection apparatus
09/18/2013CN103308838A LED light bar detection method
09/18/2013CN103308837A Device and method for testing laser diode
09/18/2013CN103308836A Method, device and system for monitoring insulating property of electronic transformer
09/18/2013CN103308835A Method and device for detecting insulation aging state of oil-paper insulation electric power equipment
09/18/2013CN103308834A Insulation rubber experimental device
09/18/2013CN103308833A Ultraviolet image fault positioning and processing system and ultraviolet image fault positioning and processing method both used for corona detection
09/18/2013CN103308832A Partial discharge test device for high-voltage cable insulation middle joint and use method
09/18/2013CN103308831A Crosslinked polyethylene cable water-resistant tree performance rapid detection method based on power-frequency voltage withstanding method
09/18/2013CN103308830A Online monitoring system of partial discharge of power cable
09/18/2013CN103308829A GIS (gas insulated switchgear) single-time partial discharge signal extraction and trigger moment adjusting method
09/18/2013CN103308828A Partial discharge electro-acoustic signals synchronous monitoring device for CPLD (complex programmable logic device)-based transformer
09/18/2013CN103308827A Voltage aging test method and device for composite insulator
09/18/2013CN103308826A Integrated alternating current withstand voltage testing device
09/18/2013CN103308825A Substation grounding grid imaging detection device
09/18/2013CN103308824A Power system fault diagnostic method based on probability Petri net
09/18/2013CN103308823A Method for locating single-phase disconnection non-ground fault of power distribution network
09/18/2013CN103308822A Small current earth fault line selection method for radial distribution network
09/18/2013CN103308821A Intermittent arcing ground-fault line selection method based on improved phase locked loop
09/18/2013CN103308820A Power grid fault positioning system
09/18/2013CN103308819A Fuse life testing system with remote information transmission and control function
09/18/2013CN103308818A Testing and verifying circuit of plugging state of flying plug of initiating explosive device on satellite
09/18/2013CN103308817A Device and method for detecting circuit of array substrate
09/18/2013CN103308816A Detection circuit for three-phase alternating current phase dislocation and phase loss and detection method of detection circuit
09/18/2013CN103308815A Core aligning device of power cable equipment
09/18/2013CN103308814A System and method for detecting improper wiring or configuration in a monitoring system
09/18/2013CN103308813A Electrode substrate, and circuit pattern inspection device with the same
09/18/2013CN103308812A Electric device and electrical method
09/18/2013CN103308811A Debugging device for substation subsystem of the voltage of 750 kilovolts
09/18/2013CN103308810A DC (Direct Current) transmission valve test control method and pulse conversion control device
09/18/2013CN103308809A Fatigue testing device of RFID (radio frequency identification) reader card
09/18/2013CN103308808A System and method for testing secondary device of intelligent substation automatically
09/18/2013CN103308807A Transformer state detection device and breaker
09/18/2013CN103308806A Islanding detection method based on fundamental frequency and switching-frequency sub-impedance
09/18/2013CN103308805A Overhauling method and overhauling system for state of distribution transformer
09/18/2013CN103308804A Method for extracting time-frequency parameters of power quality disturbance signals on basis of fast K-S (Kaiser-S) transformation
09/18/2013CN103308803A Adapter with self-checking circuit and system interface integrated structure
09/18/2013CN103308802A Transformer evaporating and cooling experiment system
09/18/2013CN103308801A Ground test method for full-aircraft electromagnetic compatibility of commercial aircraft
09/18/2013CN103308800A LCAM (life cycle asset management) real-time evaluating system and evaluating method for power transformer based on real-time monitoring
09/18/2013CN103308799A Device and method for measuring parameters of cable line connected with GIS (gas insulated metal-enclosed switchgear)
09/18/2013CN103308798A Method for testing shielding effectiveness of electromagnetic shielding material
09/18/2013CN103308797A Intelligent automatic standby power supply switching device calibration system
09/18/2013CN103308796A System capable of guaranteeing parameter test work safety of ac/dc (alternating current/direct current) transmission line
09/18/2013CN103308795A Main transformer protective device test method and portable arithmetic facility
09/18/2013CN103308794A Electric installation maintenance method and device
09/18/2013CN103308793A Testing device for heating direct-current cable
09/18/2013CN103308792A Deterioration diagnosis method for potentiometer
09/18/2013CN103308791A Deterioration diagnostic method of potentiometer
09/18/2013CN103308790A Ageing induction system for electromagnetic heating products
09/18/2013CN103308789A Relay protection test system for intelligent transformer substation
09/18/2013CN103308788A Plug test fixing device of lamp charging plug
09/18/2013CN103308787A Power supply monitoring system and method
09/18/2013CN103308786A Method and device for state detection of energy consumption equipment
09/18/2013CN103308785A Crystal oscillation detection circuit and crystal oscillation detection device