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JP6013875B2 |
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JP6000835B2 |
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JP5998465B2 |
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JP2016157758A |
To provide a motor operation mechanism of a tap changer in a loading state capable of facilitating replacement of electric parts constituting a control part and improving maintainability.The motor operation mechanism of a tap changer inc...
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JP5976666B2 |
The invention relates to a tap changer for regulating voltage, comprising semiconductor switching elements on a regulating transformer having a regulating winding. The tap changer is modularly constructed, wherein each module comprises a...
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JP5971674B2 |
An accumulator mechanism having a forcible loading mechanism and accomplishing a space saving, and an on-load tap changer including same are provided. The accumulator mechanism includes a spring 26, a winding casing 24 slidable in a dire...
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JP2016134513A |
To provide an automatic voltage regulator for power distribution capable of easily selecting a state where an inspection window for confirming a tap position is covered with a douser and a state where the inspection window is not covered...
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JP5945394B2 |
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JP5946177B2 |
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JP2016111277A |
To provide a compact on-load tap changer with an excellent insulation function, facilitating installation work and maintenance work.The on-load tap changer includes: a cylindrical insulating container 3; a lid 2 for sealing an opening pa...
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JP5918066B2 |
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JP2016081982A |
To provide an electric operation mechanism of on-load tap changer, the structure of which is simplified by decreasing the number of components.A mechanism section 3 and a control section 4 are separated, and the mechanism section 3 insta...
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JP2016063134A |
To provide a changeover switch for on-load tap changer which can suppress occurrence of chattering when a movable contact comes into contact with a fixed contact.Magnetic attraction restraint means 30 for restraining the movable contacts...
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JP2016046307A |
To provide an automatic voltage adjusting device having a long lifetime, which is adaptable to instantaneous voltage variation occurring frequently without causing increase of the cost and inducing increase of the size of the device.In a...
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JP2016042279A |
To enable protective operation even in the case where operation voltage for an electromagnetic contactor is lost in an automatic voltage regulator that protects a circuit connected with the primary coil of a series transformer by short c...
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JP5896371B2 |
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JP2016033959A |
To provide an on-load tap switcher which is lightweight and compact and has a high performance and in which, if a vacuum valve is broken, it can be easily exchanged.The on-load tap switcher includes a changeover switch 50 and a tap selec...
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JP2016507907A |
The present invention relates to a load tap changer (1) for adjusting voltage by a semiconductor switch element (61,62,71,72) and a method for adjusting voltage for a voltage regulator (2). The load tap changer (1) includes a first load ...
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JP5872487B2 |
The invention relates to a stepping switch (10) for switching among at least two winding taps (12, 14) of a step transformer (16) without interruption, said step transformer having a rotatable switching shaft (22), with which actuating e...
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JP5873841B2 |
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JP5842788B2 |
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JP5828562B2 |
A tap changer with semiconductor switching elements for uninterrupted switching between winding taps of a tapped transformer has two load branches connected with the winding taps of the tapped transformer and that each comprise a respect...
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JP5823502B2 |
The invention relates to an on-load tap changer for step transformers, which has one main current branch and one auxiliary current branch for each of the two winding taps to be switched. In each main current branch and auxiliary current ...
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JP5823501B2 |
The invention relates to an on-load tap changer for switching among winding taps of a step transformer without interruption. According to the invention, in each auxiliary current branch of the on-load tap changer, which operates with vac...
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JP5811670B2 |
To reduce the size of a transformer by reducing the size of a tap changeover section.A transformer comprises: a plurality of tap terminals 15a-c provided to a tap winding 5; common terminals 17 provided to the side of the tap terminals 1...
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JP2015530745A |
The present invention relates to an energy storage mechanism 1 for a tap changer under load. The energy storage mechanism 1 has a first gear 5 that drives the crank 13 via at least one other gear 7, 9 provided around a rotatable drive sh...
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JP5784708B2 |
The present invention relates to a load transfer switch for a tap changer, comprising permanent main contacts that switch powerlessly for each phase. The general inventive concept lies in connecting the fixed permanent main contacts of s...
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JP2015525435A |
The present invention relates to a device including a plurality of vacuum valves 3, 3a, 3b of the switching switch 1. Each cam controller 5 consisting of one control cam 7 and one lever bearing 10 operates each of these vacuum valves 3, ...
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JP2015138942A |
To provide a capacitor module capable of suppressing reduction in power transmission efficiency even if a temperature change occurs.A resonant capacitor module for use in a non-contact power supply system includes: a capacitance section ...
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JP5744181B2 |
The invention relates to a mechanical switch contact (10) for releasing, disconnecting, or switching over, in particular for an on-load tap changer of a step transformer, comprising at least two contact fingers or contact finger blocks (...
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JP5744180B2 |
An indexing transmission for an on-load tap changer or a tap selector of a tapped transformer has a rotatable cam disk having an outer edge formed with a succession of convex and concave cam formations in regular succession and merging w...
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JP5738331B2 |
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JP2015115397A |
To easily mount an oil flow protective relay at a desired inclination angle.The oil flow protective relay includes: a cylindrical body 210 inside of which becomes a flow path of insulation oil; an abnormality detection mechanism that is ...
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JP2015106582A |
To provide an on-load tap changer with high rigidity that rarely generates distortion or deformation.An on-load tap changer is installed in a tank of a transformer body, and has an oil tank housing a changeover circuit breaker and filled...
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JP5730245B2 |
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JP2015515138A |
The present invention relates to a load tap changer that switches between different winding taps of a tap transformer based on the superordinate concept of claim 1 without interruption. The universal idea of the present invention is that...
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JP2015515139A |
The present invention relates to a load tap changer that switches between different winding taps of a tap transformer based on the superordinate concept of claim 1 without interruption. The universal idea of the present invention is that...
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JP5720971B2 |
In this non-contact power supply system, inductance can be easily adjusted. Power is supplied in a non-contact manner to a pickup coil of a carriage from a power supply line that is provided along a traveling path. A variable inductor, w...
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JP2015513794A |
The present invention relates to a drive unit for a tap changer that operates a switching contact. An object of the present invention is to provide a drive unit for a tap changer having a compact structure, which is arranged near the tap...
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JP5710587B2 |
The invention relates to an on-load tap changer comprising semiconductor switching elements for uninterrupted switching between fixed tap changer contacts which are electrically connected to winding taps of a tapped transformer. Each of ...
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JP5709641B2 |
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JP5707071B2 |
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JP2015511034A |
The present invention relates to a load tap changer for controlling voltage by a semiconductor switching element of a control transformer having a control winding. This load tap changer is modularly configured. In this case, each module ...
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JP5694333B2 |
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JP2015506162A |
Disclosed is a fault current limiter including an input terminal for electrically connecting to a power source for supplying a load current and an output terminal for electrically connecting to a load circuit for drawing out a load curre...
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JP5677163B2 |
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JP2014532295A |
The present invention relates to a motor drive unit for operating a tap changer composed of a drive motor, an electric gear device, and a control gear device. In this case, the means for detecting the torque, which is composed of at leas...
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JP2014531754A |
The present invention relates to methods and devices for determining whether a vehicle can pass through an object using a 3D camera (having spatial resolution). Here, at least one image around the vehicle is taken by using a 3D camera. H...
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JP2014529987A |
The fault current limiter is provided with a magnetically saturable core. The first core includes a first leg, a second leg, a third leg and a fourth leg, the first AC coil is wound around the second leg and the second The AC coil is wou...
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JP5600212B2 |
A switch comprising a plurality of transformers and a path comprising a number of wires. Each of the plurality of transformers comprises a core and a control winding. The path is configured to connect the plurality of transformers to eac...
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