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Matches 501 - 550 out of 6,343

Document Document Title
JP4904329B2  
JP2012049238A
To allow the variable range of inductance to be broadened while also maintaining high magnetic shield performance in a transformer.A transformer 4 comprises: a lower collar part 421 secured to a base 41 and facing the base 41; a coil fix...  
JP4874493B2  
JP2012028639A
To provide a gas-insulated on-load tap changer which can be made compact, can suppress temperature rise of a current limit element even when insulating gas with low heat capacity is used, and can provide a good maintenance workability.A ...  
JP2012503317A  
JP2012501069A  
JP2012501070A  
JP2012010539A
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 fo...  
JP2011222561A
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 values...  
JP2011192839A
To provide transformer facilities with a load tap changer, constituted so that when a component such as a diverter switch of a changeover switch of an on-load tap changer is maintained or replaced in the transformer facilities with the l...  
JP2011187889A
To provide a tap selector of an on-load tap changer such that connection structures of input lines are simplified to improve operability and an assembly state is confirmed directly from outside.An insulating shaft 4 has one end and the o...  
JP2011187569A
To provide an on-load tap changer that suppresses excessive abrasion due to a defect in lubrication on a slide surface of a change-over contact with compact and simple constitution.The on-load tap changer includes a feeding contact 11 fi...  
JP4774437B2  
JP4765891B2  
JP4767141B2  
JP4764686B2  
JP2011171560A
To provide an environment adaptive type on-load tap switching device which is improved in dielectric strength voltage of an insulated drive shaft portion of a selector switch portion, and further has insulation reliability.The on-load ta...  
JP4764303B2  
JP4764245B2  
JP4764318B2  
JP2011159647A
To provide a transformer device having a built-in tap changer capable of ensuring sealability even in special conditions in a cold district.The transformer device includes a tap changer including a transformer tank 1 for housing the tran...  
JP4750903B2  
JP4745201B2  
JP2011146526A
To provide a magnetic flux control type variable transformer with a simple structure, the transformer adjusting a load voltage at high speed and in a continuous manner by adjusting a control current while reducing a control loss.Center l...  
JP2011139039A
To provide a transformer device which can convert different AC voltages to a desired voltage and can be made compact in size and light in weight.The transformer device includes a primary winding (3) for receiving an AC voltage, a plurali...  
JP4719045B2  
JP4703473B2  
JP4702834B2  
JP4693901B2  
JP4682252B2  
JP4680261B2  
JP4678613B2  
JP2011512028A  
JP4664928B2  
JP4660490B2  
JP4660313B2  
JP2011509521A  
JP2011054504A
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 sealed...  
JP2011054835A
To save space, reduce the number of parts and man hours, achieve a good heat dissipation and good insulation performance without receiving any internal pressure restriction, and carry out large capacity formation.A changeover switch incl...  
JP4649448B2  
JP4646327B2  
JP4643225B2  
JP2011035162A
To provide an on-load tap changer capable of improving reliability by a compact and simple structure.A shield ring 15a is installed in a circumferential direction on an inner periphery side of a changeover switch tank 3. The shield ring ...  
JP4627694B2  
JP4627695B2  
JP4630873B2  
JP2011018867A
To provide a voltage adjusting machine using a variable-winding-number transformer, which is made to have a lifetime of 30 years, of about 6,600V and 1,000 KVA by making a conventional variable-winding-number transformer 1/2 in weight, l...  
JP2011018905A
To provide the on-load tap changer of a high-output transformer capable of eliminating parasitic energy loss in a semiconductor switching means.The on-load tap changer (OLTC) 10 includes a first minute electromechanical system (MEMS) swi...  
JP4621167B2  
JP2011015504A
To provide a method for setting a tap of an arc-suppressing reactor wherein earth capacitance is easily and quickly measured in safety and this earth capacitance is utilized.A zero-phase voltage or zero-phase current in a transmission sy...  

Matches 501 - 550 out of 6,343