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Patent Searching and Data


Matches 501 - 550 out of 6,381

Document Document Title
JP2013519996A
The present invention was provided with a change axis (22) in which a mechanical changeover section article (MTF, TTF) or a final controlling element article (24) for a plurality of operation stages of a vacuum interception pipe (MSV, TT...  
JP2013520018A
A transformer in which magnetic flux generated by the variable 1st voltage which has primary winding and a secondary wind line and is impressed to the primary winding concerned induces the variable 2nd voltage on the secondary wind line ...  
JP5196343B2  
JP2013516051A
[Subject] The present invention relates to the tap changer with a pre selector which has a polar circuit. [Means for Solution] One independent polar resistance is provided in each of the starting point of tap winding, and a terminal poin...  
JP2013077731A
To inhibit a tap switching operation from being performed when a changeover switch of an on-load tap switching device is inoperable.An on-load tap switching device comprises an accumulation drive mechanism 1 including a spring 6 which is...  
JP5187750B2  
JP2013065740A
To provide an energy-accumulation mechanism having a forced closing mechanism in which space saving is achieved, and to provide an on-load tap changer including the same.The energy-accumulation mechanism includes a spring 26, a hoisting ...  
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
A transformer (50) is provided with primary side winding (3) wound around an iron core (10) and an iron core (10), secondary winding (4) wound around an iron core (10) along with primary side winding (3), and differential winding (5) whi...  
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
[Means for Solution] The present invention relates to a tap changer at the time of load which has a vacuum switch. An invention idea as a whole is provided with a cam disk of one or a large number, The above-mentioned cam disk was fabric...  
JP2013503600A
[Means for Solution] It is a current limiter (30, 40, 50, 60), and receives a Gentlemen phase of an exchange power supply, A closed magnetic core (31) which decreased volume and mass which have the 1st and 2nd a pairs of rims (32a, 32b;3...  
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
The present invention is arrangement of a step switch in a voltage adjustment transformer, and is a Mechanical contact part for selection of a step switch of tapping of an adjustment coil of a voltage adjustment transformer in that case,...  
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
To provide an on-load tap changer which suitably control opening/closing operation of a contact and eliminates a fault caused by sludge production. The on-load tap changer includes a container 23 filled with insulating oil and a changeov...  
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
The invention relates to a magnetically influenced current or voltage regulator comprising a body (1) which is composed of a magnetisable material and provides a closed, magnetic circuit, at least one first electrical conductor (8) wound...  
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  

Matches 501 - 550 out of 6,381