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Matches 351 - 400 out of 6,620

Document Document Title
WO1999017315A3
The invention relates to a method for regulating an induced voltage in transformer, alternatively reactive power of a reactor, wherein a winding (5; 26) is achieved with an insulating electric conductor including at least one current car...  
WO1999017314A3
A step-free induction controlled voltage regulator, primarily for high-voltage regulation, includes a magnetic circuit based upon a magnetizable core (1) having one or more flux paths or legs (2) with at least one winding (3) supplying t...  
WO1999017316A3
An induction controlled voltage regulator, primarily for high voltage regulation, includes a magnetic circuit based upon a metallic core (1) having two or more flux paths or legs (2) with at least one main winding (3) supplying the outpu...  
WO/1999/028934A2
A high power static electromagnetic device with variable inductance has a magnetic circuit with a flux bearing region. A main winding and at least one control winding surrounds the portions of the flux bearing region. A control device is...  
WO/1999/028928A1
A transformer (30) including a core (31), a first winding (34) to be regulated wound around a limb (32) of the core (31), at least one regulation second winding (37, 38) and moving means for moving the regulating winding(s) relative to f...  
WO/1999/027546A1
An electromagnetic device comprises at least one magnetic circuit (1) and at least one electric circuit (2, 3) comprising at least one winding (4, 5). The magnetic and electric circuits are inductively coupled to each other. The device c...  
WO/1999/017315A2
The invention relates to a method for regulating an induced voltage in transformer, alternatively reactive power of a reactor, wherein a winding (5; 26) is achieved with an insulating electric conductor including at least one current car...  
WO/1999/017313A2
An induction controlled voltage regulator, primarily for high-voltage regulation, includes a magnetic circuit based upon a core (1) having one or more flux paths or legs (2) surrounded by high and low voltage windings (3, 15). The leg (2...  
WO/1999/017316A2
An induction controlled voltage regulator, primarily for high voltage regulation, includes a magnetic circuit based upon a metallic core (1) having two or more flux paths or legs (2) with at least one main winding (3) supplying the outpu...  
WO/1999/017314A2
A step-free induction controlled voltage regulator, primarily for high-voltage regulation, includes a magnetic circuit based upon a magnetizable core (1) having one or more flux paths or legs (2) with at least one winding (3) supplying t...  
WO/1999/009569A1
A ferroresonant transformer (56) includes a three legged magnetic core. The core includes a center leg (58), and first and second flanking legs. Each of the center and flanking legs have respective first and second longitudinal ends. The...  
WO/1998/048432A1
The invention concerns a circuit for a load transfer switch comprising a regulating winding with a regulating stage (1) whose load current can be conducted via a lower or a higher winding tap (2, 3) and via at least two selector contacts...  
WO/1998/047159A1
A controllable inductor including at least one tubular core (10), a main winding (5) surrounding the core and a control winding (11) running substantially axially through said core and returning substantially axially outside thereof betw...  
WO/1998/043257A1
A tubular core (6) for a controllable inductor with a main winding (1) surrounding the core and a control winding (7) passing substantially axially through said core, said core being intended to receive a magnetic flux from said main win...  
WO/1998/043259A1
An arrangement with a conductor (15) intended to be on a high potential and a part (12) connected to ground and separated therefrom by at least a voltage receiving air gap (16, 17), comprising an insulating envelope (18) surrounding said...  
WO/1998/034249A1
A power- or regulating transformer (11) with voltage regulating means is disclosed. The transformer comprises regulating windings (15) made of a flexible conductor having electric field containing means forcing the electric field due to ...  
WO/1998/034244A1
A power transformer or inductor is disclosed. The winding (31) of the transformer/inductor is made of a flexible conductor (38) having electric field containing means forcing the electric field due to the electric current in the winding ...  
WO/1998/033256A1
An a.c. current distribution system fed by a current source for providing electrical power to a load, the current distribution system comprising a first and second conductive means connectable to the current source and coupling means to ...  
WO/1998/031024A1
A controllable inductor comprises at least a tubular core (13), a main winding (5) surrounding the core, a control winding (14) passing substantially axially through the core, a ground part (15) arranged inside the main winding and an el...  
WO/1998/029788A1
In a three-phase three-wire or four-wire auto-transformer, one set or a plurality of sets of main coils connected to an input terminal are interwound around three-phase core type cores by three circuits and a plurality of sets of excitin...  
WO/1998/029929A1
This invention is related to a device and a method for protection, in an electric power plant, of an object (1) against overcurrents from a network (3) or another equipment included in the high voltage plant, the device comprising a swit...  
WO/1998/027635A1
This invention is related to a device and a method in an electric power plant for protection of an object (1) against over-currents from a network (3) or another equipment included in the high voltage plant, the device comprising a switc...  
WO/1998/027634A1
This invention is related to a device and a method in an electric power plant for protection of an object (1) against over-currents from a network (3) or another equipment included in the high voltage plant, the device comprising a switc...  
WO/1998/027636A1
This invention is related to a device and a method for protection, in an electric power plant, of an object (1) against over-currents from a network (3) or another equipment included in the high voltage plant, the device comprising a swi...  
WO/1998/022959A1
The saturation choke coil of the present invention may be used for controlling the DC voltage and/or current in power rectifiers. The present invention may also provide a substantial gain in the power coefficient as well as in the harmon...  
WO1997045288A3
In a plant intended for driving traction motors e.g. railway locomotives or motor coaches, and which possibly comprises one or more electric machines provided with insulated conductors, the magnetic circuit in the traction motor(s) and/o...  
WO1997045933A3  
WO1997045921A3  
WO1997045926A3  
WO1997045907A3  
WO1997045919A3  
WO/1997/045919A2
A rotating electric machine for direct connection to all types of high-voltage networks, in which the magnetic circuit adapted for high voltage comprises a rotor, stator and windings. The winding comprising a conductor surrounded by a so...  
WO/1997/045288A2
In a plant intended for driving traction motors e.g. railway locomotives or motor coaches, and which possibly comprises one or more electric machines provided with insulated conductors, the magnetic circuit in the traction motor(s) and/o...  
WO/1997/045922A1
The magnetic circuit of synchronous compensator plant is included in an electric machine which is directly connected to a high supply voltage of 20-800 kV, preferably higher than 36 kV. The electric machine is provided with solid insulat...  
WO/1997/045847A1
The present invention relates to a power transformer/reactor (14, 15, 16) for high voltages, comprising at least one winding having at least one current-carrying conductor. The winding comprises a solid insulation (7) surrounded by outer...  
WO/1997/045925A1
In a plant comprising one or more electric machines constructed with insulated conductors and connected for heavy current via insulated conductors, the magnetic circuit in at least one of these electric machines is connected directly to ...  
WO/1997/045921A2
An electromagnetic device comprises a magnetic field generating electrical circuit including a winding (1) having at least one electrical conductor (2). The winding comprises a solid insulation (4) surrounded by outer and inner layers (3...  
WO/1997/045923A1
The magnetic circuit of a generator in a hydro-generator plant is arranged to directly supply a high supply voltage of 20-800 kV, preferably higher than 36 kV. The generator is provided with solid insulation and its winding includes a ca...  
WO/1997/045933A2
In a method for reducing the influence of third harmonic voltages upon direct connection of alternating current machines (1) to a three-phase power network (5), wherein at least one winding of the machine is Y-connected and the neutral p...  
WO/1997/045848A1
The present invention relates to a DC transformer/reactor comprising a magnetic circuit, wherein the magnetic circuit comprises a magnetic core and at least one winding. The winding comprises at least one current-carrying conductor. Each...  
WO/1997/045926A2
An electric high voltage AC machine intended to be directly connected to a distribution or transmission network (16) comprises at least one winding. This winding comprises at least one current-carrying conductor, a first layer having sem...  
WO/1997/045924A1
In a plant containing a turbo-generator the magnetic circuit of the turbo-generator is included in an electric generator which directly supplies a high supply voltage of 20-800 kV, preferably higher than 36 kV. The insulation of the gene...  
WO/1997/045927A1
The present invention relates to a rotating electric high voltage machine comprising a stator (8), a rotor (7; 37; 47) and at least one winding. The machine is characterized in that said winding comprises at least one current-carrying co...  
WO/1997/045907A2
The present invention relates to installations for transformerless generation of HVDC and wherein the installation comprises rotating high-voltage single-winding/multiple-winding machines and converters. The single-winding/multiple-windi...  
WO/1997/045912A1
The present invention relates to a rotating asynchronous converter and a generator device. The converter comprises a first stator connected to a first AC network with a first frequency (f1), and a second stator connected to a second AC n...  
WO/1997/044796A1
A controllable inductor comprises at least a tubular core (3), a main winding (1) surrounding the core and a control winding (4) passing substantially axially through the core. It also comprises a yoke (19) of a material having a high ma...  
WO/1997/044795A1
A controllable inductor comprises at least a tubular core, a main winding (1) surrounding the core and a control winding (3) passing substantially axially through the core. It is adapted for connection to a three phase alternating curren...  
WO/1997/035327A1
A high voltage electrical apparatus (13) comprises an insulating support (14) made of a moulded first electrically insulating material and carrying rigid electrical conductors (11, 12) and a second electrically insulating material (16, 1...  
WO/1997/034161A1
A method for monitoring an on-load tap changer wherein the recording of sound and its conversion into a sound signal are initiated at the beginning of a connection operation of the tap changer and the sound signal is rectified, converted...  
WO/1997/029494A1
A parallel winding voltage-regulating apparatus includes a transformer whose voltage-regulating side consists of two parallel main windings, which are electric coupling through balancing reactor. The two main windings are tapped in the o...  

Matches 351 - 400 out of 6,620