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Matches 701 - 750 out of 5,187

Document Document Title
JP2014525678A
The invention relates to a worm gear which is arranged directly on the head of an on-load tap changer and has a housing, a worm, and a worm wheel, wherein means for torque detection comprising at least one radio-scannable surface wave se...  
JP5579795B2  
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
To provide a single valve type on-load tap changer suitable for practical use by reducing the breaking current of the valve.In an on-load tap changer 1, a resistance changeover switch SW1, a VCB changeover switch SW2, and a conduction ch...  
JP2014514748A
The invention relates to a tap changer for the interruption-free switchover between winding taps of a tap-changing transformer. Furthermore, the present invention relates to a novel vacuum interrupter which is particularly suitable for s...  
JP5520613B2  
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  
JP2014507800A
The invention relates to a tap changer having vacuum interrupters for switching over between winding taps of a tapped transformer without interruption. The tap changer according to the invention having vacuum interrupters is based on the...  
JP2014506733A
The invention relates to a tap changer for voltage regulation, comprising semiconductor switch units (S1.1, . . . , S1.6; S2.1, . . . , S2.6) on a variable transformer having a regulating winding, wherein two parallel load branches (1, 2...  
JP5431212B2  
JP2014504808A
The invention relates to a stepping switch for voltage control, comprising semiconductor switch elements on a variable transformer having associated regulating windings. The stepping switch has a modular design, wherein each module compr...  
JP5419079B2  
JP5416133B2
The present invention relates to a system and method for preventing, protecting OLTC from fire and/or preventing, protecting and/or detecting explosion and/or resulting fire of electrical transformer (30) in advance before decomposition ...  
JP2014502049A
A tap changer for uninterrupted switching between winding taps of a tapped transformer has first and second load branches for each phase to be switched. Each load branch has a main vacuum switch and in parallel thereto a series connectio...  
JP5389290B2  
JP5390162B2  
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...  
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...  
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
A tap changer for uninterrupted switching over between winding taps of a tapped transformer has two load branches each for a respective phase to be switched. Each load branch has a vacuum switching contact acting as main contact and para...  
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...  
JP2013537717A
An on-load tap changer for uninterrupted switching between different winding taps of a regulating winding of a tapped transformer in a transformer housing has at least one selector inside the housing for power-free selection of the respe...  
JP2013201319A
To improve assembly operability while improving the reliability of a device by reducing a load on a shaft.A tap changer includes a metallic driving shaft 110, a current collecting contac shoe 120 extending outside the driving shaft 110 i...  
JP5296471B2
To provide an existing automatic voltage regulator for power distribution in which work for providing a protective plate to a viewing window through which a check of a tap position is greatly simplified. A bolt pass-through hole 312a is ...  
JP2013535849A
The invention relates to a tap changer for switching among winding taps of a step transformer without interruption, said step transformer having an oil-filled transformer tank, wherein the tap changer does not have a separate housing or ...  
JP5286610B2  
JP5279864B2  
JP5280510B2
An electrical winding (2) elongated across the width of a running metal plate (4) is located above the plate and orientated parallel to it. Magnetic bars (9) associated with the winding may be individually slid along it to adjust the fie...  
JP5283261B2
To provide a compact tap changer capable of changing taps at high speed and quietly while having a simple configuration with less driving mechanism compared with conventional ones, and to provide an inexpensive, quiet, and space-saving o...  
JP5279120B2
To provide an inexpensive and compact on-load tap changing device. The on-load tap changing device is characterized in being composed of one current-limiting resistance by arranging the current-limiting resistance 408 on an insulating pl...  
JP5276961B2
To provide an on-load tap changing device which is compact, generates low switching noise, and can optimize a cutoff speed. The on-load tap changing device is characterized in that the cutoff speed can be optimized and noise due to a cut...  
JP2013162604A
To provide a power facility support system that can apply an optimal amount of load suppression to a transformer in tune with a coping time necessary for a worker to cope with trouble.An electric facility operation support system compris...  
JP5237994B2
An on-load tap changer (10) (OLTC) for a transformer winding (12) is disclosed. The OLTC includes a first MEMS switch (18) coupled in series with a first tap on the transformer winding (12) and a neutral terminal (16). The OLTC also incl...  
JP5225360B2  
JP5223067B2  
JP2013526771A
The invention relates to a load transfer switch for a tap changer for switching among various winding taps of a step transformer without interruption. The general inventive concept lies in fastening both the force accumulator and the loa...  
JP5210809B2
Capacitances (308) in an impedance-matching box (306) for an RF coil (104), in a plasma deposition system for depositing a film of sputtered target material (110) on a substrate (112), can be varied during the deposition process so that ...  
JP2013520018A
A power supply apparatus which includes a transformer having a primary winding and a secondary winding, whereby magnetic flux generated by a varying primary voltage applied to the primary winding induces a varying secondary voltage on th...  
JP5196343B2  
JP2013516051A
The invention relates to a step switch provided with a preselector and a polarity circuit, a separate polarization resistance being respectively provided at the beginning and the end of the stepped winding. Optionally, the two polarizati...  

Matches 701 - 750 out of 5,187