Abstract

An electrical power control apparatus, including : a magnetic core including at least three interconnected limbs defining a plurality of magnetic circuits, the at least three interconnected limbs including a first limb and second limbs; a primary winding to receive input electrical power having an input voltage, an input current, and an input power factor, the primary winding being wound around the first limb of the limbs of the magnetic core to generate a corresponding first magnetic flux in the first limb that is divided between the second limbs; secondary windings to provide output electrical power having an output voltage and an output power factor to a load, the secondary windings being wound around the first and second limbs of the magnetic core to generate the output voltage across the secondary windings from magnetic flux in the first and second limbs of the magnetic core, wherein the secondary windings around the second limbs are wound in opposite polarities; and control windings wound around the second limbs to modify the magnetic flux in the second limbs and thereby modify the output voltage and the input power factor, wherein the control windings around the second limbs are wound in opposite polarities.

IPC Classes  ?

• H02J 3/00 - Circuit arrangements for ac mains or ac distribution networks
• H02M 1/00 - Details of apparatus for conversion
• G05F 3/06 - Regulating voltage or current wherein the variable is AC using combinations of saturated and unsaturated inductive devices, e g. combined with resonant circuit

Goods & Services

Apparatus for electricity distribution; apparatus for measuring consumption of electricity; electrical substations; electricity transformers for the distribution of electricity; electricity switchgear and electricity control panels for the distribution of electricity; parts and fittings for all the aforesaid goods. Monitoring, reporting and advising upon the consumption of electricity; collection of data relating to the consumption of electricity; electricity metering services. Construction, installation, repair and maintenance services, all relating to electricity distribution and supply equipment, meters, apparatus and instruments; advisory and consultancy services relating to all the aforesaid. Electricity distribution services; electrical power supply systems. Engineering design, drawing, planning, research and consultancy services and non-downloadable software relating to electricity distribution networks, electricity power supply systems and environmental services; software as a service (SAAS) services featuring software for allowing online transactions between sellers and buyers of electrical power; electrical engineering services.

Goods & Services

Apparatus for electricity distribution; apparatus for measuring consumption of electricity; electrical substations; electricity transformers for the distribution of electricity; electricity switchgear and electricity control panels for the distribution of electricity; parts and fittings for all the aforesaid goods. Monitoring, reporting and advising upon the consumption of electricity; collection of data relating to the consumption of electricity; electricity metering services. Construction, installation, repair and maintenance services, all relating to electricity distribution and supply equipment, meters, apparatus and instruments; advisory and consultancy services relating to all the aforesaid. Electricity distribution services; electrical power supply systems. Engineering design, drawing, planning, research and consultancy services and non-downloadable software relating to electricity distribution networks, electricity power supply systems and environmental services; software as a service (SAAS) services featuring software for allowing online transactions between sellers and buyers of electrical power; electrical engineering services.

Abstract

An electrical power distribution network, including a plurality of electrical power control apparatuses, each including : Signal conversion components in order to convert the received signal to have a desirable signal having a second fundamental frequency and characteristic voltage; and a controller that controls operation of the signal conversion components to determine an output voltage and output frequency of the electrical power control apparatus; electrical power generation components acting as sources of electrical power and electrical power consumption components acting as sinks of electrical power to at least some of the electrical power control apparatuses; and wherein the electrical power control apparatuses operate autonomously but are interconnected such that an output of each of the electrical power control apparatuses is connected to an input of at least one corresponding electrical power control apparatus and to one or more of the sinks and/or sources of electrical power so that the electrical power control apparatuses collectively maintain the voltages and frequencies of electrical power signals.

IPC Classes  ?

• H02M 5/16 - Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into DC by static converters using transformers for conversion of frequency
• H02M 5/27 - Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into DC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means for conversion of frequency
• H02M 5/297 - Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into DC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal for conversion of frequency
• H02M 5/451 - Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with automatic control of output voltage or frequency

Abstract

An electrical power supply process, including receiving, at a control component of an electrical power supply system a signal representing a time-varying first fundamental frequency and a first voltage of the first input signal; processing the received signal to generate a corresponding frequency control signal to cause a heterodyning component to generate a corresponding heterodyned signal having frequency components corresponding to a sum and a difference of the first fundamental frequency and a reference frequency; and a corresponding voltage control signal to cause a virtual air-gap transformer to generate a corresponding signal having a target output voltage whereby the received input electrical energy in the form of the first input signal having the first input fundamental frequency and the first voltage is processed to generate corresponding output electrical energy in the form of a corresponding first output signal of the target frequency and the target output voltage.

IPC Classes  ?

• G05F 1/32 - Regulating voltage or current wherein the variable is actually regulated by the final control device is AC using magnetic devices having a controllable degree of saturation as final control devices

Abstract

An electrical power supply system, including: at least one virtual air gap transformer, including at least one primary winding, at least one secondary winding, and one or more control windings to control the electromagnetic coupling between the primary and secondary windings; an input port configured to receive a first input signal having a first input fundamental frequency and a first input voltage; and a control component configured: to receive a signal representing the first input voltage and the first input fundamental frequency of the first input signal, and to generate a corresponding virtual air gap control signal to determine the electrical current in the control windings of the at least one virtual air gap transformer, such that a target output voltage of a target output frequency is generated at the secondary windings; wherein the electrical power supply system receives input electrical energy in the form of the first input signal having the first input fundamental frequency and the first input voltage, and generates corresponding output electrical energy in the form of a corresponding first output signal of the target frequency and the target output voltage.

IPC Classes  ?

• G05F 1/32 - Regulating voltage or current wherein the variable is actually regulated by the final control device is AC using magnetic devices having a controllable degree of saturation as final control devices