171419 ⎘
Details of measuring arrangements of the types provided for in groups - , - or; Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
Systems and methods for locating a circuit
#302Built-in test injection for current sensing circuit
#303Power line takeoff clamp assembly
#304Motor driving circuit and electronic apparatus using the same
#305Current detection printed board, voltage detection printed board, current/voltage detection printed board, current/voltage detector, current detector and voltage detector
#306System and method of measuring power produced by a power source
#307Distribution line clamp force using DC bias on coil
#308System for measuring current and method of making same
#309Gas turbine engine comprising an ultra high temperature circuit coupling open core transformer
#310Current measuring apparatus
#311Device for current measuring in power supply networks
#312AC plug receptacle with non-contact power meter and radio telemetry
#313Electronic current transformer based on complete self-excitation power supply
#314Reduced parts count isolated AC current switching and sensing
#315Method of Enabling Calibration of a Current Transformer, and Associated Apparatus
#316Direct-current current transformer
#317Distributed electricity metering system
#318System for detecting lightning strikes on wind turbine rotor blades
#319High frequency detection device and coaxial cable including the same
#320Apparatus for calibrated non-invasive measurement of electrical current
#321Current sensor
#322BRANCH CIRCUIT POWER MONITORING APPARATUS & RELATED METHODS
#323Method for mounting current sensors
#324Current detection printed board, voltage detection printed board, current/voltage detection printed board, current/voltage detector, current detector and voltage detector
#325Magnetic field sensor measuring a direction of a magnetic field in a plane and current sensor
#326Ground fault circuit interrupter and method
#327Electrical current sensor
#328CURRENT DETECTION PRINTED BOARD, VOLTAGE DETECTION PRINTED BOARD, CURRENT/VOLTAGE DETECTION PRINTED BOARD, CURRENT/VOLTAGE DETECTOR, CURRENT DETECTOR AND VOLTAGE DETECTOR
#329Sensor mount assemblies and sensor assemblies
#330System and method to determine the state of charge of a battery using magnetostriction to detect magnetic response of battery material
#331Power line takeoff clamp assembly
#332System for automatically detecting power system configuration
#333Electrical equipment arranged in the roof of an electrically driven railway vehicle
#334Current measuring device and processing unit comprising one such device
#335WIRELESS CURRENT TRANSFORMER
#336Fourier transform-based phasor estimation method and apparatus capable of eliminating influence of exponentially decaying DC offsets
#337Self calibrating current sensor
#338Sensor, method and system of monitoring transmission lines
#339Electrical measuring instrument having a current clamp measures the current while detached from and attached to the housing
#340System for measuring current in multiple motor coils using a single sensing element
#341Out-of-line measurement of a current flowing through a load
#342Method and apparatus for legacy comparison
#343Apparatus for digital measurement of quick break voltage and magnetic pulse duration
#344Magnetic toroid self resonant current sensor
#345Circuit for Supplying Electrical Energy to Measuring Instrument
#346Power supply circuit structure comprising a current sensor, and method of assembling the same
#347CURRENT DETECTION PRINTED BOARD, VOLTAGE DETECTION PRINTED BOARD, CURRENT/VOLTAGE DETECTION PRINTED BOARD, CURRENT/VOLTAGE DETECTOR, CURRENT DETECTOR AND VOLTAGE DETECTOR
#348Electrical measuring instrument having detachable current clamp probe
#349Electrical measuring instrument having detachable current clamp
#350Inverter system
#351Anomaly detection in inverter system
#352Method and system for monitoring power flow through an electric power transmission line
#353Sensor module, system, and method for sensors in proximity to circuit breakers
#354Method for measuring electrical current levels in a power switching device
#355Current sensor
#356Method and device for measuring voltage
#357Apparatus for measuring an a.c. current in a cable
#358Current sensing lug
#359Method and apparatus for measuring coil current
#360Shielding assembly for an RF sensor current transducer
#361Method and apparatus for instrument transformer reclassification
#362Method and apparatus for instrument transformer reclassification
#363Current sensing system
#364Method and apparatus for measuring voltage in a power switching device
#365Cost-effective measurement of large machine currents
#366Inductor-based current sensing
#367Method and apparatus for determining a current in a conductor
#368Flux coil system
#369Electrical appliance power monitoring
#370Directional sensor with means for adjusting cancellation of interfering electromagnetic field
#371Low power ADC sampling in a digital power controller
#372Bi-polar triac short detection and safety circuit
#373Primary side constant current regulation
#374Locking mechanism for a faulted circuit indicator
#375Motorized high voltage in-line disconnect switch with hand-held communication system to prevent unwanted operation
#376Full-time inductor current monitoring method by sensing low side switch
#377Power sensing transducer