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Matches 1 - 50 out of 6,604

Document Document Title
WO/2019/204963A1
A tap changer assembly of a dry-type transformer. The tap changer assembly includes a first molding including multiple taps, a semi-conductive coating applied to the first molding, a conductive shield provided overtop some of the semi-co...  
WO/2019/197014A1
The invention relates to a device (1) for reactive power compensation in a high-voltage network (17) comprising at least one phase conductor (16, 18, 19). A high-voltage connection (8) is provided for each phase of the high-voltage netwo...  
WO/2019/186580A1
A Variable Automatic Electrical Transformer, capable of working under different voltages used for stabilizers, regulators and isolators is provided. It is provided with the state of art sensing technology for online monitoring of the pha...  
WO/2019/182470A1
A static electric generator relates to devices for generating electrical energy without movable mechanical parts and can be used as a power source for electronic devices. The generator consists of two permanent magnets (1) which are inte...  
WO/2019/177005A1
Provided are a tap changing device with which it is possible to perform tap changing at high speed and quietly, while effectively suppressing an arc current generated between contacts during a tap change, and an on-load tap changing pole...  
WO/2019/170417A1
The invention relates to an on-load tap changer (10), comprising – a first selector rod (21) and a second selector rod (25); – a load transfer switch rod (51); – a switching means (55); – a gear mechanism (19); wherein – the fi...  
WO/2019/126661A1
In some embodiments, a transmit coil configuration is provided. A coil configuration for a wireless transmitter according to some embodiments can include a plurality of turns coupled between a first tap coupled to an innermost turn and a...  
WO/2019/104218A1
A tunable inductor has a first magnetic core and a second magnetic core wound with a direct current (DC) winding and an alternating current (AC) winding. A first portion of the AC winding is wound around a first portion of the first magn...  
WO/2019/101460A1
The invention relates to a winding unit (10) for connecting to a high-voltage network. The winding unit has a winding (12), which is embedded in a solid insulating body (11), and a first main connection terminal (19), which is connected ...  
WO/2019/096538A1
The present invention relates to a transformer type supply circuit (1) with adjustable power output, enabling supplying power in particular to microwave ovens. In its most basic form, the supply circuit (1) is characterized by a transfor...  
WO/2019/088817A1
The invention relates to an energy-optimising apparatus which comprises a magnetic circuit formed by a coil and a ferromagnetic core, which allows an acceleration of loads by means of which said loads can be reintroduced into the network...  
WO/2019/090358A1
Various examples are provided related to mixed material magnetic cores, which can be utilized for shielding of eddy current induced excess losses. In one example, a magnetic core includes a ribbon core and leakage prevention or redirecti...  
WO/2019/087219A1
A voltage stabiliser (1) is disclosed, comprising two fixed windings (4, 5) and a mobile and in short-circuit one (6), such as a voltage regulator. Within each of the two fixed windings (4, 5) another winding (7, 8) is introduced, said t...  
WO/2019/064003A1
An on-load tap-changer switching mechanism comprises an annular cam plate (21) defining a radially-outward-facing cam surface (24) having a plurality of raised portions (25). A switching assembly (10) is disposed at least partly within, ...  
WO/2019/053088A1
The invention relates to a testing system for carrying out a high-voltage test on a test object (PR), comprising a test throttle (PD) with an electromagnetically adjustable inductance in order to form a resonant circuit together with the...  
WO/2019/042716A1
The invention relates to an assembly (1) for connection to a high-voltage system having multiple single-phase transformers (2, 3, 4) which each have a transformer tank (5) which is filled with a fluid and in which a core (21) having at l...  
WO/2019/009869A1
The invention relates to electrical engineering and can be used, for example, as a shunt reactor for regulating voltage and reactive power in high-voltage transmission lines. The technical result is the possibility of controlled low-volt...  
WO/2019/004897A1
Described is, among other things,a variable shunt reactor(100) comprising at least three cores (101, 102, 103, 104) and at least two AC windings (106, 108) wound around at least a respective first core and a second core. The variable shu...  
WO/2018/226823A1
A fluid treatment apparatus is constructed from at least one electrochemical cell including a bipolar ion exchange membrane and having a single output orifice to deliver treated fluid. The apparatus may employ a power supply transformer ...  
WO/2018/200506A1
Unique systems, methods, techniques and apparatuses of a modular power transformer are disclosed. One exemplary embodiment is a matrix power transformer including a plurality of block assemblies each including a plurality of transformer ...  
WO/2018/148811A4
The selector contains an upper metal flange (1) with a body (6) and a lower metal flange (2) with cage-like segments (3) made of insulating material. On the segments there are mounted odd (4) and even (5) stationary contact elements. In ...  
WO/2018/148812A4
The spring-energy accumulator is mounted on a carrying flange (1). It has a left lever (7) and a right lever (9) mounted on two pivots (2, 3) fixed in the carrying flange (1). Between the ends (10, 11) of the two Severs (7, 9) are mounte...  
WO/2018/148811A1
The selector contains an upper metal flange (1) with a body (6) and a lower metal flange (2) with cage-like segments (3) made of insulating material. On the segments there are mounted odd (4) and even (5) stationary contact elements. In ...  
WO/2018/148810A1
The selector comprises an upper mange (11) and a lower flange (12) connected to insulating segments (13) cut-out of an insulating cylinder. The three phases (A, B, C) are located in tiers, where on the segments (13, 16) are mounted an (1...  
WO/2018/148812A1
The spring-energy accumulator is mounted on a carrying flange (1). It has a left lever (7) and a right lever (9) mounted on two pivots (2, 3) fixed in the carrying flange (1). Between the ends (10, 11) of the two Severs (7, 9) are mounte...  
WO/2018/095703A1
The present disclosure relates to a method of monitoring switching by an on-load tap changer (OLTC) (1) from a first contact (3a) to a second contact (3b) of a transformer winding (2). The method comprises measuring a voltage of the tran...  
WO/2018/073966A1
Provided is an on-load tap changing device with high durability performance that restrains arc at the time of switching and reduces deterioration of a switch thereof. The device is provided with a first switch part 2 connected to a first...  
WO/2018/070023A1
An on-load tap switching device according to an aspect of the present invention has a changeover switch and an insulating mediator. The changeover switch includes a semiconductor switch, and shifts the transformation ratio by switching t...  
WO/2018/063766A1
An inductor has a conductor layer formed by multiple concentric co-planar turns of ultra-thick metal (UTM) adapted to receive current at a frequency of at least one gigahertz. The multiple turns of UTM proceed from an innermost turn to a...  
WO/2018/054802A1
The invention relates to a method and to a device (1) for generating an electromagnetic field for inductive energy transmission, in particular to a mobile terminal device (2), wherein the device (1) comprises a plurality of electrical co...  
WO/2018/050522A1
The invention relates to a method for switching an on-load tap changer (11) comprising a tap selector (20), which comprises: a plurality of selector fixed contacts comprising a commutation contact (200) which can be connected to an origi...  
WO/2018/037114A1
The invention is concerned with a monitoring device, method and computer program product for monitoring a transformer comprising a tap changer. The transformer has at least two magnetically coupled windings and a tap changer comprising i...  
WO/2018/031766A1
An apparatus for applying a magnetic pressure to a work piece includes an inductor configured to be disposed in proximity to the work piece and a controller electrically connected to the inductor and configured to control a supply of ele...  
WO/2017/201265A1
Unique systems, methods, techniques and apparatuses for a ZVT ZCT resonant converter with a variable resonant tank are disclosed. One exemplary embodiment is a system comprising a bidirectional resonant converter comprising an input/outp...  
WO/2017/192707A1
A voltage regulator comprising a tap selector switch, a switching module and a switching module controller. The tap selector can comprise stationary contacts and movable contacts which can be adjusted for regulating the voltage between a...  
WO/2017/186429A1
In order to provide an electrical device (1) for connection to a high-voltage supply system, having a housing (2) which can be filled with a cooling liquid, having a core (3) which is arranged in the housing (3) and is composed of a magn...  
WO/2017/181960A1
A lightning protection on-load regulated-capacity transformer, and an on-load regulated-capacity switch. The on-load regulated-capacity transformer comprises a low-voltage winding, a high-voltage winding, and an on-load regulated-capacit...  
WO/2017/107244A1
A thyristor-assisted arc-extinguishing hybrid on-load tap switch. The switch comprises a main current loop and a thyristor module connected to the main current loop in parallel. The main current loop comprises a first contact switch, a m...  
WO/2017/102174A1
The invention relates to a controllable local network transformer, comprising at least one high-voltage coil on a high-voltage side, at least one low-voltage coil on a low-voltage side, a first on-load tap changer for the low-voltage sid...  
WO/2017/103296A1
The invention relates to a solid-state automatic on-load voltage regulator which allows switching between the different taps of a transformer by means of purely electronic devices, dispensing with all types of movable part, comprising a ...  
WO/2017/084634A1
An on-load voltage regulation tapping switch of a transformer is composed of a tapping switch unit and a switch control circuit. The tapping switch unit is composed of two relay switch contacts (K1, K2) and corresponding contact protecti...  
WO/2017/036496A1
A switch (10) for a switch device (11), in particular a continuous main switch or disconnecting switch for a load transfer switch of an on-load tap changer (12) comprises: a discharge contact (13); a primary fixed contact (14); a seconda...  
WO/2016/149154A3
Create soft transition in selected topologies by preserving leakage inductance energy (ELI) during dead time (Td). Using several techniques to supplement energy required to discharge parasitic capacitance (Cp) of primary switchers and ob...  
WO/2017/015378A1
Magnetic flux valves can be used in electromagnetic (EM) power converters to electronically control output signals of the EM power converters. An input signal is provided to an EM power converter that includes two or more core sections i...  
WO/2017/007038A1
A device for stabilizing the current has a core whose ratio of the sectional area of the second leg (S2) to the sectional area of the first leg (SI) is within the range of 0.6-0.95 and a compensating winding wound around the first leg of...  
WO/2016/207832A1
The invention relates to a electrical/electronic apparatus, without dielectric coolants or oils, which is used to power electric motors and which alters the frequency, voltage, current and power parameters of the electric signals. The ap...  
WO/2016/205903A1
These may be applied monophasically to medium-voltage three-phase electric networks and to low-voltage electric networks without coolant oil, close to consumers, operation being possible with only one motor for actuating the contacts of ...  
WO/2016/190418A1
Provided is a tap changer which is compact and for which the maintenance interval is prolonged. The tap changer comprises: a first terminal T1 and a second terminal T2 that are connected to a tap winding 1 of a stationary induction elect...  
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...  

Matches 1 - 50 out of 6,604