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JP2014154676A |
To suppress local overheat in a contact part.Input connection points 118a, 118b in a plurality of fixed contact connection members 111a, 111b and a plurality of input conductors 108a, 108b in terminal-side tap switching mechanism groups ...
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JP2013506276A5 |
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JP2014130864A |
To provide a magnetic circuit capable of variably adjusting characteristics while consuming very little power, and a method of adjusting the same.A magnetic circuit 2 comprises, as a characteristic adjustment part 10: a soft magnetic bod...
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JP2014123599A |
To provide a diverter switch which can prevent a high voltage of external lightning, or the like, from being imposed to a vacuum valve used as a breaking element, and can block dielectric breakdown of a vacuum valve due to a high voltage...
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JP5537365B2 |
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JP2014515190A |
The present invention relates to a dry type distribution transformer provided with a housing (1'), a coil (200), a sealing division (100), and the tap panel (110) related with the coil (200). A tap panel (110) has electric screening (107...
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JP2014116402A |
To provide an automatic voltage regulator which can be mounted on a pole by employing a tap changer of air specification, without causing cost increase or up-sizing and without using an element of short life like a ventilation fan, there...
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JP2014115770A |
To provide an automatic voltage regulator which constitutes a tap switching device using an AC thyristor switch of an air specification so as to reduce a cost and enhances easiness of the maintenance.Tap changeover devices 4u to 4w are c...
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JP2014514748A |
The present invention relates to a tap changer at the time of load for switching without interception of between a winding tap of a stepdown transformer, and a winding tap. Especially the present invention relates to a new vacuum valve w...
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JP5520613B2 |
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JP2014103197A |
To make an on-load tap changer compact with simple configuration.A diverter switch comprises: a current-limiting resistor connected between a third movable contact and a neutral; a resistance vacuum valve connected between the current-li...
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JP2014090023A |
To solve such a problem of a conventional force accumulating device including a pair of dampers for stopping operation of a switching crank that, since the number of components increases, the assembly man hours increases and the cost als...
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JP2014068503A |
To provide a new and special efficiency enhancing device.A three-phase induction motor efficiency enhancing device comprises: reactance grant means comprising a primary coil 9 configuring a non-inductive winding; reactance adjustment mea...
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JP5472846B2 |
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JP2014060274A |
To prevent a movable contact from having a defect in switching even when a cam disk is rotated fast.A changeover switch has a cam disk 18 having a recessed cam 181 at an outer periphery, a pair of stationary contacts 12, 13, and a movabl...
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JP2014507800A |
The present invention relates to a tap changer at the time of load for, switching without interception of between a winding tap of a stepdown transformer, and a winding tap which has a vacuum valve. A tap changer is based on abstract tho...
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JP2014506733A |
The present invention relates to a tap switching arrangement with which two parallel load part Kibe who has arranged a plurality of change units made from a semiconductor with a た form connected in series, respectively is stationed, wh...
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JP5431212B2 |
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JP2014504808A |
The present invention relates to a tap switching arrangement which equipped with a changeover section article made from a semiconductor control 変成器 which has a control coil and which controls voltage. This tap switching arrangement...
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JP5419079B2 |
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JP2014029901A |
To provide a power electromagnetic apparatus in which a magnetic core structure and a winding structure are simple and reactance is variable.A tripod magnetic core which symmetrically forms a pair of closed magnetic circuits with a centr...
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JP5416133B2 |
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JP2014022626A |
To provide a reactance variable and three-phase integrated type electromagnetic apparatus which improves three-phase balance.A basket-shaped magnetic core is formed by connecting both end portions of each of six linear leg part iron core...
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JP2014023227A |
To provide an instantaneous voltage adjusting device and an instantaneous voltage adjusting method in which a low voltage side voltage is adjusted using a semiconductor switch having no limitation on the number of switching, and fine vol...
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JP2014022432A |
To provide a maintenance support device and a maintenance support method for transformer that can appropriately determine a state of a transformer.There is provided a maintenance support device for transformer that is provided with an in...
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JP2014017387A |
To provide a manufacturing method for a tapped coil of novel structure which eliminates the need for a work of forming a tap by bending a conductor in the way of manufacturing the coil body, or a work of connecting a conductor for leadin...
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JP2014502049A |
The present invention relates to a tap changer at the time of the load for switching without interception of between the winding tap of a stepdown transformer, and a winding tap. Two load part Kibe is provided to each phase which should ...
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JP2014501441A |
[Subject] The present invention relates to the tap changer for controlling the voltage of the control transformer which has a control coil by a solid-state-switching element. This tap changer is constituted by the module type. Each modul...
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JP2014007234A |
To improve withstand voltage performance of a transformer for a converter.This transformer for the converter includes first and second lead members, a plurality of first to third barrier members, and a plurality of insertion members. The...
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JP5389290B2 |
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JP5390162B2 |
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JP2013254835A |
To obtain a transformer capable of stabilizing system voltage by enabling control over a starting current of an AC motor.In the transformer, a primary winding 2 and a secondary winding 3 are sequentially arranged concentrically at an out...
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JP5366097B2 |
To provide a secondary side power reception circuit of a non-contact power supply facility capable of stably supplying power at the voltage required from a load, without depending on a saturation voltage of a saturable reactor that fluct...
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JP2013247173A |
To provide an on-load tap changer and a transformer which have a compact simple configuration and can perform accurate abnormality determination without overlooking any slight abnormality, thereby improving system safety and reliability....
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JP2013247731A |
To provide a superconducting current limiter in which degradation of insulation performance can be minimized even during current limit operation.A plurality of superconducting coils 5 formed by winding a superconducting wire 2 a pluralit...
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JP2013247808A |
To provide a connection mechanism for a secondary side of a transformer which permits easy separation of an apparatus connected and easy connection of a mobile apparatus.A connection mechanism for a secondary side of a transformer includ...
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JP2013247170A |
To enhance durability by suppressing consumption of a neutral contact, and to enhance positioning accuracy, compactness and economy by simplifying the configuration.A neutral contact 16, a first tap contact 17 and a second tap contact 18...
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JP2013243233A |
To provide a transformer with an automatic tap changer for use in construction enabling replacement work of a pole transformer in an uninterruptible state and to provide a replacement method of a pole transformer.The transformer with an ...
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JP2013243194A |
To provide an on-load tap changer that is free from occurrence of insulation breakdown even when being in a current carrying state before and after a switching behavior and is excellent in reliability.A movable contactor M1, a current-li...
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JP5360427B2 |
To provide a power supply device capable of controlling an output voltage without using a complicated control circuit on a primary side. A power supply device has: a transformer with cores 1, 4, and 5 that form a coupling magnetic path f...
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JP5352975B2 |
In the upper face of a substrate (22), there are formed a plurality of recesses (25). In one recess, a variable condenser (27) is formed by mounting a plate-shaped stationary electrode (30) on the bottom face of the recess (25) and by mo...
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JP5354730B2 |
To simplify structure in a three-phase voltage-controlling transformer assembly for controlling an output voltage at a non-step mode. The three-phase voltage-controlling transformer assembly includes three sets of first to third transfor...
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JP5354728B2 |
To achieve a simple configuration as well as stepless control of the output voltage, in a voltage controlled transformer. The voltage controlled transformer includes: a transformer formed by winding an input winding AN1 and an output win...
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JP2013229589A |
To impart a function of indicating that a voltage adjustment function reaches a limit to a column upper transformer with an automatic tap switching function.A column upper transformer with an automatic tap switching function comprises: a...
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JP5336136B2 |
To provide an existing automatic voltage regulator for power distribution in which a protective cover is easily attached to a tap position inspection window even for a field assembled article. In the automatic voltage regulator for power...
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JP2013539221A |
The present invention relates to a tap changer at the time of load for switching without interception of between a winding tap of a stepdown transformer, and a winding tap. Two load part Kibe is provided to each phase which should be swi...
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JP5317896B2 |
To provide a vacuum valve which allows use in high pressure gas and a tap switching device for gas insulation load which is small sized and has high reliability suitable for the vacuum valve. The vacuum valve 2 is arranged inside a seale...
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JP5318024B2 |
To switch a Δ-connection to a V-connection, while preventing the increase of a loss due to a load loss. A load factor calculating section 11 calculates a load factor of a three phase power transformer on the basis of the detection value...
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JP2013538547A |
A switch is provided with a course including a plurality of transformers and arbitrary numbers of wiring. Each transformer of a plurality of above-mentioned transformers is provided with a core and a control coil. The course is constitut...
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JP2013537717A |
The invention relates to an on-load tap changer for switching among different winding taps of a step transformer without interruption. The general inventive concept lies in eliminating the previously static design of the on-load tap chan...
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