An improved low voltage DC distribution system to provide power to power or charge passenger electronic devices. Cable assemblies 200, 300 pass high voltage power down in daisy chain fashion to various seat groups 106. Connector elements 201, 301, 203, 302...

A power distribution system (101) in which a power source (102) is configured to supply an amount of high-frequency input power to a centralized frequency converter unit (103). The centralized frequency converter unit (103) is configured to convert the hig...

A system has a power source 203 connected to power access points 205 and at least one environmental control system 201. A threshold compare device 206 is effective to compare the proportional load on the environmental control systems 201 to a preset thresh...

A system for managing distribution of electrical power includes a power management circuit, power control units, a first keyline and a second keyline. The power management circuit includes a device configured to measure power consumed by an electrical load...

An apparatus is disclosed for simultaneously measuring the rotational speed and/or direction of a shaft, and providing control power in accordance with the shaft rotation. The apparatus includes a permanent magnet machine (PMM) having a multipole rotor and...

A load distribution and management system (LDMS) has a source (12) of multi-phase power (A, B, C) and multiple power lines (22, 24, 26). A separate power line (22, 24, 26) is associated with each phase (A, B, C) of power. These power lines (22, 24, 26) con...