A power distribution system suitable for an aircraft includes a bipolar high voltage direct current source 210; an electrical load 226; a set of switching ...

It is a still further object of the invention to provide a device as mentioned above which, in addition to functioning as an electric motor, also may function ...

... direct current electrical motors by using electrical resonance circuitry. BACKGROUND OF THE INVENTION. Electrical motors are rated by their efficiency.

A direct current arc furnace has a cathode centrally located in the furnace body and a bottom anode arranged on an electrically conductive lower body to ...

In a direct current electric arc furnace with at least one movable electrode and at least one part of the bottom of the furnace of electrically conductive ...

A direct current, high voltage generator is disclosed in which electric power is produced by repeated capacitance changes. In various embodiments of the ...

the invention relates to a superconductive electric direct current cable. superconductive cables include electric conductors of a composite material which ...

Electrical switching apparatus employing separable contacts exposed to air can be structured to open a power circuit carrying appreciable current. These ...

Single direct current arc chute, and bi-directional direct current electrical switching apparatus employing the same ...

Apparatus for conversion between AC and AC, between AC and DC, or between DC and DC, and for use with mains or similar power supply systems.

... direct current electric transmission line. The calculating method comprises three parts that (1) the surface electric field intensity of the conducting of ...

Apparatus for and methods of converting radio frequency energy into direct current for generating electric power includes a dipolar antenna for receiving radio ...

A direct current electric arc furnace comprises a main body, a moving electrode attached at the center of a roof of the furnace which generates an arc under ...

The invention provides an AC-DC (alternating current and direct current) electric mosquito repellent heater which comprises a casing, an alternating current ...

WO2011012572A2 - Direct current electric motor, particularly for movements on motor vehicles, such as window winders, seat adjusters, windscreen wipers and ...

Regenerative power absorption system for direct current electric railroad system ... It has a DC feeding system configuration that discharges electricity.

The present invention relates to a non-rotating direct current electric generator capable of generating a direct current with high efficiency without ...

A kind of hearth electrode (1) that is used for direct current electric arc furnace comprises a metal bar (3) on the substrate (2) that is contained in ...

The utility model relates to the dynamo-electric control technical field and especially relates to a direct current leakage detection circuit.

This circuit allows for a method of converting a direct electric current of a photovoltaic source of direct current into an alternating current at a frequency ...