Class 323/206 - Using saturable inductor

Subclass of Class 323 - Electricity: power supply or regulation systems
Definition: Subject matter wherein the element which produces the compensation
No. of patents: 23
Last issue date: 02/07/2012

Number	Title	Issue Date
8111049	Power supply device for an electric circuit In the case of a power supply device (2) for an electric circuit (3), an energy source (4) and an electric filter (7) are provided for the reliable and low-emission supply of energy to the electric circuit (3), wherein the energy s...	02/07/2012
7965064	Power conversion regulator with predictive energy balancing A power-conversion regulator comprising an inductive reactor, an output filter reactor, and a switch for admitting energy to the inductive reactor, additionally comprises computation circuitry responsive to the flux in the inductive reactor, to a reference signal, t...	06/21/2011
7928701	AC-DC converter An AC-DC converter includes a rectifier DB for rectifying an alternating current supplied from an alternating power source AC, a power factor controller 11a connected to an output side of the rectifier DB to improve a power factor and also output eithe...	04/19/2011
7786709	Bi-polar bi-directional energy balancing power-conversion engine The invention provides a power converter and method for controlling same, comprising a plurality of switch elements, an inductive reactor, and at least two ports for the movement of electrical energy. Any energy-moving port may be made unipolar, bidirectional, bipol...	08/31/2010
7719240	AC-DC converter An AC-DC converter includes a rectifier DB for rectifying an alternating current supplied from an alternating power source AC, a power factor controller 11 connected to an output side of the rectifier DB to improve a power factor, a DC-DC converter 12 ...	05/18/2010
7642758	Power conversion regulator with predictive energy balancing A power-conversion regulator comprising an inductive reactor, an output filter reactor, and a switch for admitting energy to the inductive reactor, additionally comprises computation circuitry responsive to the flux in the inductive reactor, to a reference signal, t...	01/05/2010
7372239	Multi-output type DC/DC converter Disclosed a multi-output type DC/DC converter including: a reactor connected to a direct-current power supply; a first switching circuit composed of switches to apply a current to the reactor; a second switching circuit composed of switches to switch an output from ...	05/13/2008
7193869	Noise suppressor A noise suppressor capable of achieving reduction in size and weight of devices is provided. The noise suppressor is a circuit for suppressing normal mode noise which is transmitted through a first current-carrying wire and a second current-carrying wire, and causes...	03/20/2007
6980890	Method for designing a power factor controller apparatus A method for designing a power factor controller apparatus for a power distribution network comprising the phases of: configuring, in a predefined computerised support, an interactive computerised environment (2) dedicated to the management of data and/or pro...	12/27/2005
6125048	Method and apparatus for adjusting power delivered from a central power unit to a remote unit via a supply cable A power delivery apparatus and method which calibrates a voltage delivered from a central unit to a remote unit to compensate for losses in the supply lines between the central unit and remote unit is disclosed. The impedance of the supply lines is determ...	09/26/2000
5754034	Electrically controllable inductor An apparatus for providing an electrically controllable inductor which uses a first and a second magnetic core (20, 24) spaced apart from one another. A DC bias coil (22) is wound on the first magnetic core (20). An inductor coil (26) is wound on both the...	05/19/1998
5523673	Electrically controllable inductor An apparatus for providing an electrically controllable inductor uses a first and a second magnetic core (20, 24) spaced apart from one another. A DC bias coil (22) is wound on the first magnetic core (20). An inductor coil (26) is wound on both the first...	06/04/1996
5424626	Tuned A.C. power systems compensator having variable reflective impedance for linear and non-linear reactive load compensation The present invention provides means to instantaneously optimize reactive kva for an a.c. power system containing both linear and non-linear reactive loads. The preferred means utilizes a reflux transformer which is tuned for maximum energy transfer betwe...	06/13/1995
5210443	Process and apparatus for parallel control of tapped transformers A process for parallel control of tap transformers in which individual voltage regulators of parallel operating transformers are connected to a single parallel processor by serial data lines and the measured values of the voltage and current amplitudes an...	05/11/1993
5001649	Linear power control for ultrasonic probe with tuned reactance There is disclosed herein a driver system for an ultrasonic probe for allowing a user to have proportional control of the power dissipated in the probe in accordance with the position of power dissipation controls operable by the user and for automaticall...	03/19/1991
4914375	Saturable reactor apparatus for automatic control of power factor of inductive load An automatic power factor control apparatus for an inductive load such as an AC induction motor includes a circuit for producing a signal varying in accordance with the load power factor, which is applied to control the duty cycle with which switching ele...	04/03/1990
4719402	VAR generator system with minimal standby losses In a hybrid switched-capacitor controlled-reactor static VAR compensator including a fixed-capacitor, hysteresis on switching-OFF a switchable capacitor of the capacitance bank is performed with a minimal fixed-hysteresis at the entrance of the standby re...	01/12/1988
4680531	Method for attenuating at least one electric harmonic of the system frequency in a multi-phase alternating-current system A method for attenuating at least one unwanted harmonic, particularly the second harmonic, with respect to the system frequency in a multi-phase alternating current system, wherein an additional stabilizing circuit is installed into a conventional current...	07/14/1987
4503380	Static reactive compensator A polyphase static reactive compensator comprising a main saturated reactor (SR1) connected in series with a number of smaller saturated reactors (SR2-4) of graded voltage rating. The smaller reactors are shunted by respective thyristor switches (TV2-TV4)...	03/05/1985
4445082	Variable ratio transformer and static balance compensator Variable ratio transformer constructed around a control transformer comprising: two closed magnetic circuits each constructed around a ferromagnetic core. An alternating current magnetic field circulates in the first core and a direct current magnetic fie...	04/24/1984
4058761	Saturated reactors A saturated reactor of the type, for example the treble-tripler reactor, in which groups of 3-phase windings are connected in series to produce multiple flux phases in respective core limbs to achieve harmonic compensation. The windings are connected betw...	11/15/1977
4017790	Alternating current power transmission systems An alternating current power transmission system employing a long transmission line has a stabilizing arrangement comprising a plurality of alternating current saturated reactors connected to intermediate stations along its length, at least some of the re...	04/12/1977
3955134	Reactance controller The invention comprises a reactive device inserted within the secondary circuit of a power transformer connected to a AC transmission line which can be controlled in both inductive and compacitive modes with step changes being achieved by switching capaci...	05/04/1976

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Class 323/206 - Using saturable inductor