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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...
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JP2013530520A |
The present invention relates to a tap switching arrangement at the time of load for stepdown transformers. A tap switching arrangement has one [at a time] main current part Kibe and auxiliary current part Kibe to each of two winding tap...
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JP5237994B2 |
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JP2013528942A |
The present invention relates to a tap switching arrangement at the time of load for switching without interception between winding taps of plurality of a stepdown transformer. According to the present invention, within each auxiliary cu...
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JP2013134997A |
To provide a diverter switch which can make the switching operation of contacts irreversible when switching taps of a tap winding from an even-numbered tap to an odd-numbered tap, and when switching from an odd-numbered tap to an even-nu...
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JP5225360B2 |
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JP2013527565A |
An interception change [in / in especially the present invention / a load tap changer of 変成器 with a tap], It can circle in between two termination positions about a mechanical switch contact for an opening-and-closing change or a c...
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JP5223067B2 |
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JP2013526772A |
The present invention relates to a load change switch for a tap changer at the time of load provided with a continuation main contact switched without a performance loss for each phase. Being general and an invention idea are the fixed c...
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JP2013526771A |
The present invention relates to a load change switch for a tap changer at the time of load for a change of no intercepting nature between winding taps from which a tap change transformer differs at the time of load. A power accumulation...
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JP2013524544A |
[Means for Solution] The present invention is step change gearing 10 for a tap changer or a tap selector at the time of load of a tap change transformer at the time of load, In the case of this step change gearing, cam disk 18; 20 driven...
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JP2013120855A |
To increase the variable range of a resonant frequency in a resonant circuit.A pitch variable coil includes a helical coil 1, and a coil pitch variable part 2 with which a coil pitch of the helical coil is varied.
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JP5210809B2 |
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JP2013520809A |
The present invention relates to a tap changer which has a solid-state-switching element for switching between winding taps of plurality of a transformer with a tap to non-瞬断. In this case, this tap changer is a hybrid switch. This h...
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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...
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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 ...
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JP5196343B2 |
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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...
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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...
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JP5187750B2 |
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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 ...
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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...
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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...
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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...
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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...
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JP5153867B2 |
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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...
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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...
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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...
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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...
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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,...
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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...
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JP5095680B2 |
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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...
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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...
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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...
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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...
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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...
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JP2012523680A |
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JP2012523681A |
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JP5037100B2 |
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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...
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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...
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JP4939566B2 |
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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...
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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...
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JP4932489B2 |
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JP4934601B2 |
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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...
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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 ...
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