AUTOMATIC ASSESSMENT OF ELECTRICAL UNBALANCE ON THREE-PHASE LOADS

FAULT DETECTION CIRCUIT

Three-phase AC load unbalance detection and balancing method and circuit

Method and device for approximately determining voltages at a high-voltage side of a transformer

Phase identification display method

Method to determine three-phase load impedances driven by a power control device when no neutral reference is available in an alternative electrical network

Inverter with identification of neutral connection

Methods and systems for open-phase detection in power transformers

Drive performance measurement

Switchgear for a single-phase motor and a three-phase motor

Three-phase wiring detection device and coincidence phase detection method

Parallel harness current imbalance and failure detection

Power monitoring systems and methods

Three-phase detection module

Phase-based operation of devices on a polyphase electric distribution system

Method and device for analysing the quality of the electrical energy in a three-phase electric network

Method and device for detecting zero phase component

Frequency phase detection three phase system

Method and device for measuring the phase-noise spectrum of a pulsed sinusoidal signal

Method and System for Detecting Unbalance in Power Grids

Method and System for Detecting Unbalance in Power Grids

System, method and computer program product for determining load profiles

System and method for wireless remote display for high voltage line meter

Method, system and device of phase enable or disable functionality in a meter

Current sensing device for a multi-phase switched voltage regulator

Phase-based operation of devices on a polyphase electric distribution system

Three-phase detection module

Wiring testing device

Method and device for the detection of current asymmetries in three-phase circuits

Methods and Apparatuses for Detecting Faults in Electrical Power Systems

Methods and Apparatuses for Determining Charging Current in Electrical Power Systems

Apparatus and method of monitoring an alternating current component of a downhole electrical imbalance voltage

System and method for phase load discovery

Method and practical use system for measuring the imbalance power in electrical installations, and the device for calibration thereof

Method and apparatus for detecting phase current imbalance in a power generator

Method and system for multiphase current sensing

Three-phase detection module

Method and related device for estimating two currents flowing simultaneously through respective windings of a poly-phase electrical load driven in SVM mode

System and method for the detection of regenerated AC voltage

Method of operating a converter circuit

Apparatus and method for determining a faulted phase of a three-phase ungrounded power system

Unbalanced current detection

Method and apparatus for improving operational reliability during a loss of a phase voltage

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

Open-phase detecting method and apparatus

Compensation method for a voltage unbalance

Method for determining a negative sequence component