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Patent Searching and Data


Matches 501 - 550 out of 6,466

Document Document Title
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 ...  
JP2013506276A5  
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...  
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...  
JP5537365B2  
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...  
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...  
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...  
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...  
JP5520613B2  
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...  
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...  
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...  
JP5472846B2  
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...  
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...  
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...  
JP5431212B2  
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...  
JP5419079B2  
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...  
JP5416133B2  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
JP5389290B2  
JP5390162B2  
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...  
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...  
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....  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  

Matches 501 - 550 out of 6,466