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WO/2007/147844A2 |
The disclosure pertains to a high-voltage AC-DC converter converting alternating current (1-3) into high-voltage direct current to be provided to a load (12), e.g. for use as an electrostatic precipitator. The converter comprises at leas...
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WO/2007/142099A1 |
A power transmitting apparatus (100) is composed of a power transmitting section (30) and a power receiving section (40). The power transmitting section includes at least a power converting means for converting direct current power into ...
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WO/2007/132558A1 |
[PROBLEMS] To simplify the production work of a coil and to miniaturize a reactor, or the like, by reducing the occupation space as much as possible. [MEANS FOR SOLVING PROBLEMS] A reactor coil (12) consists of a first coil element (121)...
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WO/2007/129588A1 |
A high-voltage transformer comprises a core, a secondary coil bobbin surrounding the core, and a secondary coil wire wound around the secondary coil bobbin. The secondary coil wire includes a first partial secondary coil wire and a secon...
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WO/2007/099931A1 |
This invention provides an amorphous transformer for electric power supply, using a magnetic core formed of an amorphous alloy material, which, as compared with the conventional amorphous alloy material, has a lower annealing temperature...
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WO/2007/074710A1 |
It is possible to provide a power conversion device and a power conversion system capable of reducing the number of switching elements in 3-phase/2-phase conversion so as to suppress cost increase and lowering of conversion efficiency an...
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WO/2007/069936A1 |
The invention relates to electric engineering. The inventive method for generating electric power by means of a ferromagnet magnetic field energy consists in magnetising the ferromagnet volume with a special coil provided with a magnetic...
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WO/2007/069403A1 |
A power transmission transformer section is constituted by providing a middle leg (106b) of an E type core (106), and a pair of outer legs (106a, 106c) opposing each other across the middle leg, and then winding a first set of coil consi...
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WO/2007/066645A1 |
It is possible to provide a switching transformer having an improved performance, capable of reducing the material cost and the size, and having a preferable assembling feature, and appropriate for mass production. Instead of using a con...
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WO/2007/043309A1 |
A multilayer coil component in which inductance can be regulated finely and coupling between two spiral coils can be enhanced without increasing the number of pattern types of coil conductors. Coil conductors (13a-13e) at a first coil po...
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WO/2007/035111A1 |
The present invention relates to a power supply system with voltage stabilisation comprising, for each phase an autotransformer (TA, TB, TC) with a parallel winding (4, 5, 6) and a series winding (7, 8, 9), the autotransformer (TA, TB, T...
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WO/2007/019869A1 |
An electricity generating circuit to supply an electric car motor (16) or other industrial devices is shown. An dynamo/generator (17) feeds a battery (1 ). The battery (1 ) supplies the primary coil (4) of a single-phase transformer (3) ...
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WO/2007/014480A1 |
The present invention is concerned with a multilevel converter including a transformer arrangement comprising at least two transformer units, each with primary and secondary windings and a transformer core structure. The latter are merge...
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WO/2006/133663A1 |
The invention relates to a support device for a toroidal core inductance, comprising a baseplate (10), with projecting wire guide devices (11, 12). The invention further relates to a mounting for an inductive component, comprising the su...
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WO/2006/130820A1 |
A multi-phase transformer is provided that includes a first layer having at least a first planar wire and a second planar wire and a second layer formed on the first layer and having at least a third planar wire and a fourth planar wires...
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WO/2006/128340A1 |
A kind of electronic transformer used in low-voltage lamps mainly includes case, electronic control circuit, voltage switch isolating transformer. Therein, the case consists of upper cover plate (1) and lower cover plate (2). The electro...
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WO/2006/126868A1 |
The invention relates to a prism-type electrical converter for the generation, transmission, distribution and supply of electric current, which essentially comprises two systems, namely a magnetic system and an electric system, plus an a...
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WO/2006/121036A1 |
A multilayer inductor which has a high inductance, excellent direct current superposition characteristic and suppresses alternating current resistance with a low DC bias. Electric insulating magnetic layers (22) and conductor patterns (2...
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WO/2006/120997A1 |
[PROBLEMS] To form a highly accurate and fine-structure coil pattern and to provide highly accurate cylindrical coil having an excellent mechanical accuracy such as circularity and deviation and a cylindrical micro motor using the cylind...
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WO/2006/120957A1 |
There is provided a single-structure transformer part capable of balancing current flowing to three or four loads while reducing the number of parts, the mounting area, and the cost. The transformer uses a bobbin having a plurality of wi...
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WO/2006/105693A1 |
A converter transformer with self-coupling compensation and harmonic shielding is disclosed. A self-coupling tap is led out from the secondary winding in the supply transformer, this tap dividing the secondary winding into two stages: th...
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WO/2006/105024A2 |
The present invention is directed to a transformer having a stacked core (12) , which includes upper and lower yokes (14, 16) and first and second outer legs (18,20) . The core also includes one or more inner legs (22) . Each of the uppe...
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WO/2006/087403A2 |
The invention relates to a device for the inductive coupling of a data-transmission unit to a phase of an electrical power line and to the corresponding production method. The inventive device comprises two complementary semi-annular hal...
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WO/2006/080251A1 |
At least one component of a static device for electric power is covered by a synthetic polymer compound (A). The synthetic polymer compound (A) is formed by connecting at least one first organosilicon polymer and at least one second orga...
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WO/2006/077872A1 |
A gap sheet to be inserted into a magnetic core, which has a gap at least at one part in a magnetic path, is formed of a composite material of a soft magnetic powder and a resin.
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WO/2006/078060A1 |
A magnetic core for a transformer is composed of an I-type core (1), and two C-shaped C-type cores (2, 3), which are arranged to sandwich a leading edge of the I-type core (1) from the both sides. The leading edge of the I-type core (1) ...
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WO/2006/070544A1 |
Disclosed is a small-sized magnetic device (10) having a reduced inductance which can be manufactured easily. This magnetic device (10) comprises a core member (20) which is formed by press molding a mixture of a magnetic powder containi...
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WO/2006/063436A1 |
A toroidal transformer core topology having improved thermal and electrical properties has a two part core, one part concentrically disposed within the other, with the windings wound between the two. Less expensive materials and less mat...
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WO/2006/056057A1 |
A multi-phase transformer is provided having at least 3 phases, said transformer comprising:multiple limbs, one of said limbs per each said phase, each of said limbs disposed symetrically with respect to remaining said limbs, wherein a p...
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WO/2006/051540A2 |
The present invention is generally directed to an efficient voltage transforming and regulating device based on a High Frequency (HF) transformer and a HF Electromagnetic Voltage Regulator (HFEVR) serially connected to the transformer's ...
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WO/2006/040074A1 |
A polyphase transformer (101) comprises a number of toroidal cores (102) adjacently arranged in an axial direction. The toroidal cores (102) support phase windings of different phases. The connecting points of the phase windings of two a...
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WO/2006/032607A1 |
The invention concerns the electric power supply of airplanes and in particular large-size commercial airplanes. The invention is characterized in that the aircraft is equipped with an AC/DC converter which distributes power over a direc...
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WO/2006/021597A1 |
The invention relates to a multi-voltage power transformer for a high-voltage electric power transmission network (Politrafo), which is of compact design and which has different selectable input and/or output voltage levels, such as to p...
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WO/2006/022525A1 |
The invention is a harmonics reduction device for three-phase poly-wire power lines, which can more reliably eradiate harmonics current applied to an electric power system via a neutral line. The invention comprises an electric power sys...
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WO/2006/020386A2 |
Zig-zag connected, phase shifting, auto-transformers that provides the inherent ability to block the flow of zero sequence currents that are associated with multiple-pulse rectifiers. The transformer coils are wound in three separate, mu...
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WO/2006/014982A2 |
A three-input induction transformer in which the phase relationship of the power output relative to the power input is selectable/adjustable after the transformer is placed in operation in the field. The transformer includes a primary se...
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WO/2005/122193A1 |
A planar transformer device comprising a primary coil (4), a secondary coil (6) and a core (8, 10), in which the coil layers (16, 24) of the secondary coil (6) are wound onto each other in a direction which is essentially parallel to the...
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WO/2005/117039A1 |
A transformer includes a bobbin, a primary coil, a secondary coil, an E-type core, a plurality of pin terminals, and an insulation member. The bobbin has a winding portion where the primary coil and the secondary coil are wound, a flange...
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WO/2005/114682A1 |
The invention relates to a current transformer core with a ratio of the core outside diameter Da to the core inside diameter Di of < 1.5, a saturation magnetostriction &lgr s of = &Verbar 4&Verbar ppm, a circular hysteresis loop with 0.5...
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WO/2005/109457A1 |
The invention relates to a transformer for converting three-phase power into nine-phase power, in particular for a rectifier. The inventive autotransformer is embodied in the form of a step-up or step-down transformer. For a step-down tr...
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WO/2005/109593A1 |
The present invention relates to a method for protection of power transformers and other power system components, which are vulnerable to geomagnetically induced currents, which comprises feeding from an overhead line/s or cable conducto...
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WO/2005/093765A1 |
The present invention relates to a signal coupling/decoupling arrangement for coupling/decoupling a signal onto/from an AC power line. The arrangement comprises: a carrier structure (101, 201) having a first and a second surface, a first...
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WO/2005/086187A1 |
A transformer, wherein a coil part formed by combining a first bobbin on which a coil is installed with a second bobbin fitted to the first bobbin is held by magnetic cores from the upper and lower sides. The first bobbin comprises at le...
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WO/2005/078750A1 |
The present invention discloses a unique method to design and operate torus inductor components with very linear properties to construct ballasts and plasma drivers with very high short circuit current capability and very high open circu...
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WO/2005/078908A1 |
An oscillatory machine (200) comprises a support (220) having a load carrying surface (222) and an opposite surface (224), an electric motor (21) having an air gap (218) through which lines of magnetic flux extend, an armature (214) coup...
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WO/2005/076449A1 |
A switching power supply apparatus having a structure in which a multilayer board or a laminated plate-like conductor is used as a winding of a transformer, thereby achieving a reduced volume of the transformer, an enhanced efficiency, a...
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WO/2005/057769A1 |
There is disclosed a voltage summer including a transformer having a primary side and a secondary side, wherein a first voltage to be summed is connected to the primary side and a second voltage to be summed is connected to the secondary...
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WO/2005/053141A1 |
The present invention realizes a small-sized transformer and a switch that exhibits a zero voltage switching, thereby achieving a size reduction, an enhanced efficiency and a noise reduction. There are included a series circuit connected...
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WO/2005/053140A1 |
The present invention realizes a small-sized transformer and a switch that exhibits a zero voltage switching, thereby achieving a size reduction, an enhanced efficiency and a noise reduction. There are included a series circuit connected...
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WO/2005/050341A1 |
The present invention relates to a voltage regulator, especially for power regulation, consisting of a toroid-core transformer (1), where its input is connected to distribution electricity network, and of control voltage source (2), wher...
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