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Matches 51 - 100 out of 6,607

Document Document Title
WO/2016/190319A1
Provided is a current limiting circuit inductor which, despite being small in size, can provide a current limiting effect by maintaining a large inductance when an instantaneous large current flows. In particular, the current limiting ci...  
WO/2016/169826A1
A load stepping switch (1) for uninterrupted changeover between winding taps (n, n+1) on a control winding (20) comprises – a changeover switch (2) that comprises a first, second and third changeover contact (2.1, 2.2, 2.3) and can ado...  
WO/2016/170211A1
The present invention relates to an on-load tap changer device, which allows the automatic regulation of voltage in the secondary winding (28) of high-voltage electrical equipment (26, 65) by selecting the number of turns of the primary ...  
WO/2016/155944A1
The invention relates to a circuit arrangement for reducing a magnetic unidirectional flux component in the core (13) of a transformer, comprising: - a measuring device (12) which provides a sensor signal (10) corresponding to the magnet...  
WO/2016/141614A1
A saturable reactor having a simple structure comprises a closed-loop iron core (3). Coils L1 and L2 are respectively disposed on two iron core limbs of the closed-loop iron core, and the quantities of the turns per coil are the same. Do...  
WO/2016/137971A1
Auto-balancing transformers are disclosed for balancing a multi-phase electrical system by varying the degree of electromagnetic coupling between primary and secondary windings. The auto-balancing transformer includes a movable armature ...  
WO/2016/135003A1
The invention relates to a method for changing the active number of turns of a control winding (12) in an electric system (10). The control winding is coupled to an AC voltage network for a specified period duration T, is designed for a ...  
WO/2016/131887A1
The invention relates to a device (100) for detecting an electrical disruption generated by a tap changer (102) in an electrical path between an energy supply network (104) and an electrical end user device (106, 120), wherein the device...  
WO/2016/130511A1
An electric power system including an on-load tap changing (OLTC) transformer is provided. The OLTC transformer includes a primary winding and a secondary winding. A portion of the at least one primary winding and at least one of the sec...  
WO/2016/120563A1
The present invention relates to a device (3) for dynamically adjusting voltage, intended to equip electrical networks comprising an electrical network of first voltage (1) and an electrical network of second voltage (2), these networks ...  
WO/2016/110013A1
A magnetically-controlled isolated multifunctional transformer (5), comprising a magnetically-controlled saturable reactor, wherein primary coils (L1, L2) and secondary coils (L3, L4) are provided on the magnetically-controlled saturable...  
WO/2016/106931A1
A permanent magnet drive on-load tap-changing switch comprising a changing switch circuit. The changing switch circuit comprises an odd-numbered tap-changing circuit and an even-numbered tap-changing circuit that are structurally identic...  
WO/2016/106916A1
A permanent magnet on-load tap-changing switch comprising a changing switch circuit and a high-speed mechanism. The changing switch circuit comprises an odd-numbered tap-changing circuit and an even-numbered tap-changing circuit that are...  
WO/2016/106918A1
A permanent magnet drive on-load tap-changing switch comprising a changing switch circuit. The changing switch circuit comprises an odd-numbered tap-changing circuit and an even-numbered tap-changing circuit that are structurally identic...  
WO/2016/106928A1
A permanent magnet drive on-load tap-changing switch comprising a changing switch circuit. The changing switch circuit comprises an odd-numbered tap-changing circuit and an even-numbered tap-changing circuit. The tap-changing circuits ar...  
WO/2016/106920A1
A permanent magnet drive on-load tap-changing switch comprising a changing switch circuit. The changing switch circuit comprises an odd-numbered tap-changing circuit and an even-numbered tap-changing circuit that are structurally identic...  
WO/2016/091123A1
The present invention relates to a high-capacity three-phase combined type phase-shift transformer, comprising: three single-phase transformers, which are respectively used as a phase A, a phase B and a phase C and are combined with one ...  
WO/2016/086828A1
A constant magnetic flux voltage regulating structure of ultrahigh voltage self-coupling power transformer, comprising a main transformer body and a voltage regulating transformer body, the main transformer body comprising a series windi...  
WO/2016/082704A1
The present invention relates to an on-load voltage regulation tap switch for a transformer, comprising a main switch group, a switch contact protection branch and a switch control circuit, wherein the main switch group comprises a plura...  
WO/2016/060635A1
The invention relates to the field of electrical engineering and can be used in high-voltage electrical grids having a voltage of 110-750 kV. The technical result is that of providing for the generation of reactive power for 110-750 kV g...  
WO/2016/034438A1
The invention relates to a switch assembly (1), in particular a preselector, for a variable transformer (4) having a first winding (2) and a second winding (3) with a first and a second tap (3.3, 3.4), said switch assembly comprising: a ...  
WO/2016/034439A1
A switching arrangement (1), in particular a polarity switching means, for a control transformer (10) which comprises a first winding (2) for a phase of an AC power supply system, which phase is to be controlled, comprises - a first conn...  
WO/2016/009825A1
Provided is an on-load tap changing device with which retrofit functionality can be increased while maintaining compatibility of the oil tank when changing from an in-oil arc changing method to a vacuum valve method, and with which the c...  
WO/2015/169692A3
The invention relates to a system (11), which can provide reactive power in an alternating current network (10), the system comprising: a two-pole (12) having a first two-pole terminal (121) and a second two-pole terminal (122) having a ...  
WO/2015/195064A1
The invention relates to electrical technology and to apparatuses with transverse magnetization. A controllable electric reactor with transverse magnetization contains a magnetic core rod in the form of coaxially-disposed rings which are...  
WO/2015/193011A1
A switching arrangement (15) for an electric system (10) that includes a first and a second tapped winding (11, 13) comprises: - a first on-load tap changer (16) that includes a first discharge terminal (161) and three first switching te...  
WO/2015/185368A1
The invention relates to a switch (10) for a switching device (11), in particular a continuous main switch (10) or a disconnecting switch (10) for a load transfer switch (11) of an on-load tap changer, comprising: a primary lead-out cont...  
WO/2015/185316A1
Measuring arrangement for detecting a magnetic unidirectional flux in the core of a transformer, wherein a sensor (1), formed from a ferromagnetic sensor core (2) which is wrapped around by a sensor coil (3), is arranged in a section of ...  
WO/2015/180483A1
A rolled iron core traction transformer, comprising an iron core (1); the iron core (1) is formed by splicing two symmetrical annealed iron-core closed single frames (1-1); each iron-core closed single frame (1-1) is formed by sequential...  
WO/2015/176918A1
The invention relates to a switching arrangement for a tap-changing transformer with an on-load tap changer, wherein said switching arrangement comprises - a main winding with a first main connection terminal, - a coarse winding with a f...  
WO/2015/172416A1
A mechanical rotary adjustable reactor, comprising a reactor body, an overrunning clutch, an external drive motor and a controller thereof, wherein the reactor body comprises a transformer and a rotary iron core. Both the transformer and...  
WO/2015/164896A1
The invention relates to a plunger core coil (1) comprising a coil (3) with an air gap (5), a threaded spindle (7) which pushes through the air gap (5) and has a cylindrical base body (17) made of metal, and a plunger coil (6, 6') with a...  
WO/2015/124508A1
The invention relates to a switching device, in particular an on-load tap changer, having a housing and at least one exchangeable switching module. The switching device (1), in particular on-load tap changer, comprises a housing (2); an ...  
WO/2015/124511A1
The invention relates to a switching unit comprising a switching module and a cooling channel. The switching unit (1) comprises a housing (2); a switching module (3, 3', 3''), which is arranged in the interior of the housing (2) and has ...  
WO/2015/117661A1
A device for monitoring a current in a primary conductor with respect to a predetermined current threshold, comprising: - a magnetic circuit associable to the primary conductor and comprising a fixed part and an element which can rotate ...  
WO/2015/117708A1
The invention relates to an apparatus for reducing a magnetic unidirectional flux component in the core of a transformer with at least three legs, in particular a three-phase transformer comprising at least one compensation winding per t...  
WO/2015/113800A1
The invention relates to an on-load tap changer (2) according to the reactor switching principle for uninterrupted load switching between different tap windings of a tapped transformer (1), comprising: - an inductor (3) which is designed...  
WO/2015/090228A1
A transformer, a synchronous generator and a synchronous motor. The transformer comprises a first coil (130), a second coil (140) and iron cores, wherein the iron cores comprise a fixed iron core (110) and a rotating iron core (120); the...  
WO/2014/127932A3
The invention relates to an on-load tap changer (1) for controlling voltage, comprising semiconductor switching elements (61, 62, 71, 72), and to a method for controlling voltage for a variable transformer (2). The on-load tap changer (1...  
WO/2015/081400A1
A modular switch is described, of the type including a main module that can be used on its own as a single-phase switch, and one or more complementary modules (22) enabling use as a two-phase switch, a three-phase switch, and so on. The ...  
WO/2015/082531A1
The invention relates to an electrical installation (1) for a three-phase alternating current network, comprising, for each phase (U, V, W) of the alternating current network, a transformer (20U, 20V, 20W) having a primary side (30U, 30V...  
WO/2014/118615A3
A power transmitting device includes power transmitting coils, which contactlessly transmit electric power to a power receiving coil, and a switching device. When the power receiving coil is a solenoid coil, the switching device connects...  
WO/2015/044331A1
In a method for the gas-free, in particular acetylene-free, operation of an on-load tap changer (2) with a preselector (2.2) for switching over between a plurality of winding taps of an oil-insulated transformer (3) without interruption,...  
WO/2015/044361A1
The invention relates to a tap changer for a power transformer comprising at least one main and one regulating winding, with a preselector (20) and a fine selector (18), which comprises at least one fine selector contact (29, 30). Beside...  
WO/2015/044324A1
The invention relates to a switching arrangement (15) with a pre-selector (28) for a power transformer (10, 40) which has multiple windings (12, 14). The pre-selector is designed to optionally connect at least one first winding (12) to o...  
WO/2015/028253A1
In an on-load tap changer (10) for voltage regulation of a tap-changing transformer (15), provision is made for the tap-changing transformer (15) to have at least one phase (16) to be regulated which has a first winding (20) and a second...  
WO/2015/022089A1
The present invention relates to a method of manufacturing an electromagnetic induction device with On-Load Tap Changer, OLTC, capabilities. The method comprises: a) providing an electromagnetic core with windings, b) suspending an OLTC ...  
WO/2014/202447A1
The invention relates to a local network transformer, comprising: - a transformer winding on the side of the local network voltage, wherein an end region of the transformer winding has at least two first taps and the other end of the tra...  
WO/2014/183103A1
A method is shown to create soft transition in selected topologies by controlling and designing the magnetizing current in the main transformer which will exceed the output current at a certain point in the switching cycle and which will...  
WO/2014/144501A3
The present disclosure provides techniques for an improved switching module for voltage regulators or transformers with voltage regulating taps. The switching module disclosed herein includes a first bypass switch and a second bypass swi...  

Matches 51 - 100 out of 6,607