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Matches 501 - 550 out of 6,377

Document Document Title
JP2013065763A
To provide an on-load tap changer incorporating a covered electrode which is free of cracks in or separation of an insulating material, and therefore exhibits excellent insulation strength.A fixed contact 9 is fitted to a column 11 penet...  
JP2013058527A
To provide a novel transformer capable of reliably preventing a solid matter such as metal powder from entering a transformer tank via a conservator.The transformer body 20 and the changeover switch housing chamber 31 of an on-load tap c...  
JP5159984B1  
JP2013042028A
To provide an easy-to-assemble three-phase electromagnetic device with excellent three-phase balance and low distortion capable of varying a reactance.Eighteen linear magnetic cores are radially arranged almost symmetrically, and the cen...  
JP5153867B2  
JP2013038104A
To reduce the size of a transformer by reducing the size of a tap changeover section.A transformer comprises: a plurality of tap terminals 15a-c provided to a tap winding 5; common terminals 17 provided to the side of the tap terminals 1...  
JP2013506276A  
JP2013503600A  
JP2013012507A
To provide a simple and minimized apparatus for tap change.A tap changing apparatus 1 comprises: a rotatable rotation axis 3; a rotation driving part 4 for letting the rotation axis 3 rotate; a plurality of fixed electrodes 5 in a cylind...  
JP2013500594A  
JP2012256681A
To provide a DC reactor capable of improving distortion in a DC component and an AC component of a main winding current run through a main winding and achieving size reduction.The DC reactor includes: a core 1; a main winding 2 wound aro...  
JP5095680B2  
JP2012238683A
To provide a tap changer having an automatic tap changeover function by reutilizing an existing transformer main body, and to provide a pole transformer equipped with the tap changer.In a tap changer 200 for a pole transformer whose tran...  
JP2012238653A
To provide a tap switching device for switching energization with a simple constitution at high accuracy.A tap switching device comprises a tap selector and a changeover switch. The changeover switch switches a tap, in which a load curre...  
JP2012222064A
To obtain two outputs from one input of an energy storage mechanism of a changeover switch of a loading-time tap changer.The energy storage mechanism comprises: an input disc 210 rotating in a circumferential direction; a first crank 110...  
JP2012221178A
To provide a handle with a rotation angle display part not only for detecting and displaying the rotational frequency of one rotation of a handle, but also for easily detecting the rotational frequency of less than one rotational frequen...  
JP2012204798A
To provide an energy storing mechanism with a forced feed mechanism which has an inexpensive and simple structure and allows stable operation with suppressed load torque, and also to provide an on-load tap changer equipped with the energ...  
JP2012523680A  
JP2012523681A  
JP5037100B2  
JP4963300B2  
JP2012117978A
To appropriately display each power waveform even when excessive shaft torque is activated immediately after a motor is started.A power waveform display system 10 has: electric power acquisition means 60, 61, 22 through 24 and 30; and di...  
JP4939566B2  
JP2012099490A
To improve temperature uniformity in a width direction of a strip.An electromagnetic induction heating device of a metal strip 4 moving in a specific direction has at least one electric coil 2 arranged opposite to at least one surface in...  
JP2012094782A
To provide an LTC (on-Load Tap Changer) with a simple structure, which can suppress the usage of SF6 gas.The LTC comprises: a first insulating cylinder; an upper lid which closes an opening of the first insulating cylinder; a support pla...  
JP4932489B2  
JP4934601B2  
JP2012069692A
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...  
JP2012064629A
To provide a method of on-load tap changing capable of performing changeover of a switch without generating arc in a changeover switch for an on-load tap changer.In a one-resistor, one-valve changeover switch L1, the switching operation ...  
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...  

Matches 501 - 550 out of 6,377