APPARATUS AND METHOD FOR DETECTING AN ELECTRIC CURRENT FLOW THROUGH A DIODE, AND ELECTRIC DRIVE SYSTEM

METHOD AND SYSTEM FOR AUTOMATICALLY CORRECTING POWER QUALITY SENSOR CONNECTIONS

GRID-TIED VARIABLE FREQUENCY FACILITY

METHOD TO IDENTIFY ROTOR SLOT HARMONICS IN A MOTOR CURRENT SPECTRUM

NON-CONTACT VOLTAGE SENSING

FULL ELECTRONIC CIRCUIT BREAKER USING CURRENT SENSOR MEASURING ELECTROMAGNETIC WAVE

VOLTAGE BOOSTER ISOLATION TRANSFORMER SYSTEM AND METHOD OF OPERATING THE SAME

EMBEDDED IN-CORD ACTIVE INRUSH CURRENT LIMITER DEVICE FOR POWER SUPPLY UNIT

REMOTE CONTROLLED CONSTRUCTION EQUIPMENT WITH A POWER SUPPLY DIAGNOSTICS FUNCTION

UNIVERSAL HIGH POWER/FAULT MANAGED POWER FRONT END

GRID-TIED VARIABLE FREQUENCY FACILITY

METER ADAPTER AND SYSTEMS

SWITCH CURRENT SENSORS

ELECTRICAL OUTLET FAULT DETECTION

METHOD AND APPARATUS OF PERFORMING FAILURE DETECTION ON AC INPUT VOLTAGE, AND POWER SUPPLY SYSTEM

POWER SUPPLY DEVICE

MONITORING ASSEMBLY AND SYSTEM HAVING A MONITORING ASSEMBLY

METHODS AND APPARATUS FOR RESISTIVE VOLTAGE SENSING IN AN ISOLATED POWER DISTRIBUTION UNIT

INTEGRATED CIRCUIT FOR POWER SUPPLY AND POWER SUPPLY SYSTEM

Controlling feeder units for self-restoration of power

VOLTAGE BOOSTER ISOLATION TRANSFORMER SYSTEM AND METHOD OF OPERATING THE SAME

SAFETY FAULT INTERRUPTER CIRCUIT WITH POWER FAULT MONITOR

GRID-TIED VARIABLE FREQUENCY FACILITY

METER ADAPTER AND SYSTEMS

AC-VOLTAGE SENSOR CIRCUIT, INVERTER CIRCUIT, AND POWER SUPPLY CIRCUIT

MEASURING APPARATUS FOR MEASURING A VOLTAGE OVER AN ISOLATION BARRIER AND HOUSEHOLD APPLIANCE HAVING THE MEAURING APPARATUS

Motorless power electronic test device

Systems and methods for controlling switching timing

Input power monitoring circuit

Grid-tied variable frequency facility

Current sensor for a switching converter

Grid-tied electric meter adapter and systems for automated power resilience and on-demand grid balancing

Methods and apparatus for resistive voltage sensing in an isolated power distribution unit

Circuit arrangement and method for monitoring a signal formed by alternating voltage

Grid-tied variable frequency facility

Grid-tied electric meter adapter and systems for automated power resilience and on-demand grid balancing

Grid-tied variable frequency facility

Variable frequency facility

Method for detecting loss or undervoltage condition of phase of electric converter unit, conveyor control unit, and conveyor system

Method and apparatus for identifying a grid fault

Electrical fault detection device and vehicle power supply system

Method and arrangement for performing a shutdown test on an inverter

Fault detection in a multi-phase electric machine

Grid-tied electric meter adapter and systems for automated power resilience and on-demand grid balancing

Safety fault interrupter circuit with power fault monitor

Grid-tied variable frequency facility

Grid-tied electric meter adapter and systems for automated power resilience and on-demand grid balancing

Voltage booster isolation transformer system and method of operating the same

System for detecting a drop in voltage of an AC power supply

Grid-tied variable frequency facility

Motor control device

Device for efficient DC link processing independent of grid type

Grid-tied electric meter adapter and systems for automated power resilience and on-demand grid balancing

Voltage sensitive current circuit

Inrush current test device

Electronic apparatus, voltage detector and voltage detection method thereof

Abnormality prompting method and intelligent socket

Grid-tied electric meter adapter and systems for automated power resilience and on-demand grid balancing

Circuit assembly and method for monitoring sinusoidal alternating voltage signals

Capacitance-coupled voltage transformer monitoring

Active AC power loss detection

SYSTEMS AND METHODS FOR MANAGING AN ELECTRICAL LOAD OF A POWER STRIP

METHODS AND APPARATUS FOR RESISTIVE VOLTAGE SENSING IN AN ISOLATED POWER DISTRIBUTION UNIT

Detection of removable power inlet current rating

Method for identifying the type of a grid automatically and inverter device thereof

Power factor correction (PFC) device with switching analysis circuit

Dual feeder systems having current transformers

Method for locating phase faults in a microgrid

Active AC power loss detection

VOLTAGE BOOSTER ISOLATION TRANSFORMER SYSTEM AND METHOD OF OPERATING THE SAME

Safety fault interrupter circuit with power fault monitor

Faulty load detection for multi-phase electric motor

Method and a device for determining a switching current of a converter of a system for inductive power transfer and a method of control

Faulty load detection for multi-phase electric motor

Locking mechanism for a faulted circuit indicator

Power blackout sensing system with a phantom voltage detector including a coupled inductor device

Method for controlling a charging device of a vehicle and charging device of a vehicle for charging an electrical energy storage device of the vehicle

Flux based utility disturbance detector

Power saving device capable of automatically sensing standby current

Capacitance detection circuit and electrostatic capacitance sensor device with a high-pass filter having first and second passive circuit elements for outputting an attenuated current signal

POWER STORAGE CONTROL DEVICE

Current detector for bidirectional switching power supply

Electric power devices with automatically established input voltage connection configuration

Electric power devices with automatically established input voltage connection configuration

Magnetic nanoparticle-based gyroscopic sensor

On-board charging device and operating method thereof

Voltage converter controller, voltage converter and method for operating a voltage converter

Power supply apparatus and image forming apparatus

Energy supply apparatus

Voltage detecting glove

Devices and methods for fault indication connector circuits

METHOD FOR FLUX RESTORATION FOR UNINTERRUPTIBLE POWER SUPPLY STARTUP

Power supply circuit and sound equipment

Commercial power restore indicator for sites, such as for cellular telecommunications sites

Power supply unit and method for backfeed protection thereof

Voltage booster isolation transformer system and method of operating the same

Electrical motor coil short detection and protection

ELECTRIC POWER CONTROL APPARATUS, ELECTRIC POWER CONTROL METHOD, AND PROGRAM

Control device and method for brushless motor

Islanding detection in an electrical power grid

Power generation system, method for controlling power generation system, and power generation apparatus

Diagnostic system for a vehicle electrical system

Power conversion device and contactless power supply system

POWER SUPPLY CONTROL METHOD AND SYSTEM

METHOD AND DEVICE FOR CONTROLLING OPENING/CLOSING OF CIRCUIT BREAKER

SYSTEM AND METHOD FOR PREVENTING THEFT OF ELECTRICITY

Black box apparatus for analyzing cause of arc interruption

Domestic-appliance heating device

SEMICONDUCTOR ELEMENT DRIVING DEVICE

Current measurement

Systems and methods for controlling switching timing

Input-voltage-abnormality detection method and power source device

Inverter with identification of neutral connection

Power supply glitch detector

Wireless power feeding device, wireless power receiving device, wireless power supply system, and method for measuring current of wireless power feeding device

Electric power devices with automatically established input voltage connection configuration

Power estimating apparatus, image forming apparatus, and non-transitory computer readable medium

Active AC power loss detection

Control device, control system, control method and program

Electric power converting device

Power blackout sensing system with a phantom voltage detector

Test device and alternating current power detection method of the same

RESONANT FREQUENCY SEARCH FOR RESONANT ACTUATORS

DIGITAL PROTECTION RELAY

SYSTEMS AND METHODS FOR SECONDARY VOLTAGE LOSS ESTIMATOR

Electrical current measuring device for measuring AC current

Initial angle detection in stand still

Stray magnetic field rejection for in-hole current-measurement systems

Multi-input scalable rectifier droop detector

Methods and Apparatus for Resistive Voltage Sensing in an Isolated Power Distribution Unit

Disturbance rejection for current-measurement systems

Voltage monitoring control system, voltage monitoring control device, measurement device, and voltage monitoring control method

Power control apparatus and control method

System and method for monitoring a three-phase network

Circuit for measuring power violations using high side current sensing

Overcurrent detection circuit

Fault detection device, fault detection method, and program

Load detecting device

LED power supply

Lossless over-current detection circuit for Royer oscillators and push-pull converters

AC input signal detection

Method for diagnosing a frequency converter

Early power failure detection circuit

Controller for a voltage converter

Network appliance with power conditioning

Overcurrent detection apparatus and intelligent power module using same

Root mean square detector and circuit breaker using the same

Systems and methods for detecting power quality of uninterrupible power supplies

Power conditioning, distribution and management

AC voltage detection circuit, heater control device and image forming device

Fast AC voltage detector

Method and arrangement for controlling DC power output in utility meter

Overvoltage prevention in an aircraft electrical power generation system

POWER RECEPTACLE CURRENT DISPLAYING AND ALERT DEVICE FOR DETECTING CURRENT STATE OF POWER RECEPTACLE AND RECEPTACLE HAVING THE SAEM

Electrical Test Apparatus

Supply voltage auto-sensing

ELECTRICAL EQUIPMENT

Fault detection device, electrical instrument and fault detection method

Current meter with on board memory

Power monitoring and management with remote access

Supply voltage monitor

Methods and apparatus for resistive voltage sensing in an isolated power distribution unit

Current detecting and indicating device

APPARATUS FOR MONITORING FAULT CURRENT IN POWER SYSTEM

Automatic voltage selector control circuit for test sets with tap selectable line input transformers

Power supply circuit

Branch current monitor with an alarm

System and method for detecting distribution transformer overload

AC current sensor for measuring electric AC current in a conductor and an indicator system comprising such a sensor

Voltage detecting circuit and switching power source apparatus

Electrical Test Apparatus

Method for measuring an alternating current which is generated using inverters, and arrangement for carrying out the method

Methods for common mode voltage-based AC fault detection, verification and/or identification

Device for detecting voltage disturbance

Utility disconnect monitor node with communication interface

HIGH VOLTAGE TOLERANT OVER-CURRENT DETECTOR

Polyphase source detecting circuit

Self-calibrating voltage sensor

System and method for detecting the presence of an unsafe line condition in a disconnected power meter

Power line communication and power distribution parameter measurement system and method

Power Theft Detection System and Method

System and method for determining distribution transformer efficiency

System and method for detecting distribution transformer overload

Abnormality detection circuit

Method and circuit arrangement for the self-testing of a reference voltage in electronic components

Power disturbance detection circuit and method

Voltage verification unit

Systems, methods, and apparatus for indicating faults within a power circuit utilizing dynamically modified inrush restraint

Circuit arrangement for overvoltage detection and method for operating circuit arrangement

Fault detection system

Method of detecting phase-loss state of three-phase power supply

Method and circuit arrangement for the self-testing of a reference voltage in electronic components

Method and circuit arrangement for monitoring the mode of operation of one or more load circuits, especially of a domestic appliance

Passive indicator of voltage presence

Current sensing method and current sensing device, power conversion device using this current sensing device, and vehicle using this power conversion device

Device for locating and identifying circuit breakers

Instantaneous voltage lowering detection device

Measuring devices

Apparatus for calculating an effective voltage

Locking mechanism for a faulted circuit indicator

Electric power devices with automatically established input voltage connection configuration