Dual rail device with power detector

Rechargeable multi-cell battery

Dual rail device with power detector

Grid synchronisation

Inductive power transfer

Dual rail device with power detector for controlling power to first and second power domains

Ferroresonant transformer for use in uninterruptible power supplies

User interface with proximity sensing

User interface with proximity sensing

System and method for synchronizing multiple generators with an electrical power distribution system

Methods, systems, and computer readable media for adaptive out of step protection for power generators with load resynchronization capability

Reconnecting a wind power plant to a utility grid

Method of controlling multiple parallel-connected generators

Rack power distribution unit with detachable cables

Method and apparatus for grid impedance detection

Auto-switching duplex module

Systems and methods for controlling acceleration of a power generator

Circuitry for inductive power transfer

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

Inductive power transfer

System and method for protection during inverter shutdown in distributed power installations

Connecting an inverter in a solar power plant with shifted potential center point

Voltage generators having reduced or eliminated cross current

Power supply system

Ferroresonant transformer for use in uninterruptible power supplies

Rechargeable multi-cell battery

Inrush current protection for wind turbines and wind farms

Parallel linkage for generators

Grid synchronisation

High voltage battery system for vehicle applications

Electrical phase synchronization

System and method for synchronizing multiple generators with an electrical power distribution system

User interface with proximity sensing

Load driving circuit and load driving method