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Patent Searching and Data


Matches 601 - 650 out of 6,691

Document Document Title
JP6063647B2
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...  
JP2017501579A
The present invention relates to a gas insulation instrument transformer (1) for measuring a high voltage. A gas insulation instrument transformer (1) is provided with a Transformer device for changing a high voltage into measurement vol...  
JP6059217B2  
JP6057679B2  
JP2016225590A
To provide an inductor for current-limiting circuit, capable of retaining a large inductance at instantaneous large current conduction for exhibiting a current-limiting effect even with a small size, particularly used for an electric cur...  
JP2016225334A
To provide a compact tap changer having elongated maintenance intervals.The tap changer includes: a first terminal T1 and a second terminal T2 connected to a tap winding 1 of a stationary induction electric apparatus; a first semiconduct...  
JP2016207962A
To provide a gas insulation type load-time tap switching device which attains reduction of a maximum electric field value and improves a voltage resistance property.A gas container 2c is provided in which an insulation gas is encapsulate...  
JP6030082B2  
JP6025059B2  
JP6012025B2
The present invention relates to a dry distribution transformer comprising a housing (1′), a coil (200), a sealed compartment (100) and a taps panel (110) associated to the coil (200). The taps panel (110) has an electrostatic shield (...  
JP6013875B2  
JP6000835B2  
JP5998465B2  
JP2016529726A
It sets to a tap changer (10) at the time of load for controlling voltage of Transformer with a tap (15), Transformer with a tap (15) has at least one phase (16) provided with the first winding (20) and second winding (30) which should b...  
JP2016529701A
The present invention relates to the load selection machine (1) which has the plug apparatus for load change switches (14) provided with the opening-and-closing pipe (15) which can revolve around an axis (A), and at least one opening-and...  
JP2016162924A
To provide three-phase electromagnetic equipment capable of attaining reduction in weight while suppressing a leakage magnetic flux that may be generated in main windings, and capable of varying reactance of the main windings.The three-p...  
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...  
JP5976666B2  
JP2016525283A
The present invention relates to a burst device (1) for a high-voltage apparatus (2). Especially a burst device fits a tap changer or a high-voltage transformer at the time of load filled up with gas or a restoration medium like oil. A b...  
JP5971674B2  
JP2016524345A
The present invention relates to the method of attaching the plug apparatus for load change switches (14), the plug apparatus for load change switches (14) provided with the tap changer (1) and the opening-and-closing pipe (15) at the ti...  
JP2016524348A
The present invention relates to a tap changer (1) at the time of the load which drives by the electric motor provided with the drive in an emergency. The power storage mechanism (13) of the tap changer (1) is connected with a gearing (5...  
JP2016524347A
The tap changer (1) is indicated at the time of load. A tap changer (1) has an opening-and-closing pipe (15) which can revolve around the plug apparatus for load change switches (14), and the axis (A) in which at least one change module ...  
JP2016524349A
The present invention is a tap changer (1) at the time of load, and a tap changer is with a change pipe (15) at the time of this load, It has the tap changer gearing (100) at the power storage mechanism (13) for adjusting the change posi...  
JP2016524346A
the present invention -- tap Metamorphosis -- it is related with a dexterous load selection machine (1). This load selection machine (1) has a prior selection machine (37) in an oil tank (18). In the present invention, two separated empt...  
JP2016139701A
To provide an on-load tap changer ensuring a high dielectric strength, by avoiding that the tap side terminal of a vacuum valve is in floating state.A cut-off circuit is provided with three-phases, each attached with four cylindrical vac...  
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...  
JP2016519922A
The present invention relates to a method for performing a change process between a winding tap of a transformer with a tap, and a winding tap within a tap changer at the time of negative. In this case, the change process of a tap change...  
JP5945394B2  
JP5946177B2  
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...  
JP2016100388A
To provide an on-load tap changer capable of suppressing the generation of aeration.An on-load tap changer has a vacuum valve 18; a lead-out conductor 22; an oil tank; and a negative pressure reducing mechanism. The vacuum valve 18 has a...  
JP5918066B2  
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...  
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...  
JP2016048741A
To provide a multi-phase stationary induction apparatus, such as a three-phase reactor, where the reactance is made variable by a simple device configuration.A multi-phase stationary induction apparatus having a main magnetic path 1 of N...  
JP2016046858A
To provide an automatic voltage regulation device capable of realizing a specification required for a power distribution system to which a photovoltaic power generation facility is interlocked, at low cost.A tap switcher 8 for switching ...  
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...  
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...  
JP5896371B2  
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...  
JP2016507907A
The present invention relates to a method of adjusting voltage for a tap switching arrangement (1) and a voltage regulator (2) at the time of load which adjusts voltage with a solid state switch element (61, 62, 71, 72). A tap switching ...  
JP2016031963A
To facilitate the change of the number of windings.A coil component of the present invention includes: a coil pattern formed on a printed board and having a plurality of pattern separation parts separated to be conducted to each other in...  
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...  
JP5873841B2  
JP2016021533A
To provide an on-load tap changer securing compatibility of an oil tank at the time of change from an in-oil arc change system to a vacuum bulb system, being capable of enhancing a retrofit function, achieving simplification of a part co...  
JP2016015442A
To provide a tap selector capable of improving the safety while improving the workability in connection with a simple structure at a low cost.A tap selector T has plural main posts 7 which are disposed on the same circumference, and plur...  
JP5842788B2  
JP5828562B2  
JP2015503230A5  

Matches 601 - 650 out of 6,691