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Matches 851 - 900 out of 5,187

Document Document Title
JP4334149B2
The invention relates to a contact assembly mounted on a preselector of a step switch, where the fixed preselector contact has a contacting ring that can be interconnected. The appropriate design of the contact and of the openings in an ...  
JP4330840B2  
JP4319351B2
Variable reactances in an impedance-matching box for an RF coil, in a plasma deposition system for depositing a film of sputtered target material on a substrate, can be varied by rotating inductor cores during the deposition process so t...  
JP4317980B2  
JP4316553B2  
JP4316024B2  
JP2009176993A
To provide a composite common-mode coil whose leakage inductance magnitude can be changed and whose volume and manufacturing cost can be reduced.The composite common-mode coil includes a bottom platform, a coil-onboard body, and an iron ...  
JP4306826B2  
JP4287924B2
The multi-contact switch includes a by-pass switch that has a pair of movable contacts (2.1.2.2) mounted on a carrier (2). The carrier is indexed by a drive unit and the movable contacts selectively engage fixed contacts (3.1,3.2). The c...  
JP4289514B2
To provide a voltage adjusting device capable of reducing tap switching frequency by reducing useless tap switching. Deviation voltage ΔV and a deviation integration value Vh calculated by a voltage adjusting relay in a master substatio...  
JP4282795B2  
JP4280040B2  
JP4282148B2  
JP4275770B2
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 ...  
JP2009117508A
To provide a tap position determining device capable of easily determining the current position of a tap from outside a transformer without newly constructing a circuit, a mechanism, etc., in the transformer.The tap position determining ...  
JP2009117640A
To provide a stationary induction apparatus which excels in fire safety and long term operational stability and includes an on-load tap changing device.The stationary induction apparatus with an on-load tap changing device includes a tan...  
JP2009518787A
A switch controller (1) for a switch-monitoring unit comprises an upper drive stage operated by a shaft and driving a Maltese wheel connected to a switch column carrying a contact. The unit comprises two cam switches (9,10) above the dri...  
JP2009088123A
To provide an on-load tap changer achieving a change contact having advantageous sliding properties and long service life while simultaneously preventing the formation of silver sulfide and being excellent in reliability with a compact a...  
JP4246146B2
An inverter based power source for electric arc welding where the power source includes a high switching speed inverter for driving the primary side of an output transformer that has a primary circuit with current greater than 250 ampere...  
JP4240725B2  
JP4237536B2  
JP4231866B2  
JP2009026971A
To provide a compact energy accumulation device for an on-load tap changing device which is adaptive to variation in load on a breaking mechanism unit due to temperature variation.The energy accumulation device has an energy accumulation...  
JP2009026970A
To easily diagnose whether an on-load tap changing device is abnormal with high precision by seizing operation abnormality of an energy accumulation unit and a breaking unit provided to a changeover opening/closing device.The on-load tap...  
JP2009010106A
To provide an oil-filled on-load tap switching device that will not impair the insulation reliability by removing air bubbles to a location that will not pose insulation problems, even if air bubbles are generated in the insulation oil i...  
JP4201963B2  
JP2008258259A
To prevent damaging of a changeover switch due to midway stoppage that occurs for an increasing load of the cutoff mechanism of an on-load tap switching device, in the entire changeover step.The on-load tap switching device is provided w...  
JP4139479B2
To reduce the size of the building of an on-load tap changing transformer, while the insulating oil in a transformer oil tank is prevented from flowing out of the tank and losing its insulating ability, when the liquid-tightness of a cha...  
JP4138393B2  
JP4136421B2  
JP2008532303A
The converter has circular contacts arranged on an insulating material frame. A rotatable insulating switch shaft carries switch contacts which can be switched by the corresponding contact. The converter has a head (1) with a Malteser dr...  
JP4130497B2  
JP4127571B2  
JP2008172033A
To provide an on-load tap changer which can be made compact, be arranged compactly, easily and inexpensively and can increase reliability and economy by increasing a cooling efficiency for a current limiting resistor while securing a mec...  
JP4099179B2  
JP4087168B2  
JP4087160B2  
JP2008108920A
To provide a gas insulation stationary induction electric apparatus of an indirect switching system which is easily transported, is intended to simplify an assembly at a site and to drastically shorten the time necessary for the completi...  
JP2008060111A
To realize low power consumption by solving the problem that a conventional coil used for a power supply unit such as a PDP (plasma display panel) has the maximum variation of its inductance value (L component) at 20%, and the plasma pan...  
JP2008060217A
To provide an automatic voltage regulator capable of preventing an on-load tap-changing transformer 12 from burnout by detecting the mistake of connection to a tap-changer motor operating mechanism.The automatic voltage regulator is prov...  
JP2008053256A
To perform quick manual operation of tap change by a number of persons smaller than the number of transformers.Manual operation inputs 1-16 are connected to the load time tap change information of a transformer 67 through relays 17-32, c...  
JP2008505479A
A diverter switch with an operating member and an electric circuit. The electric circuit has a main branch and a resistance branch connected in parallel with the main branch. Each branch includes a contact and a vacuum switch. The resist...  
JP4042361B2  
JP4034392B2  
JP2008004754A
To provide electromagnetic equipment capable of decreasing an occurrence of a harmonic distortion in a broad current range from a small to a large current flowing a main winding, and capable of varying a reactance.A core has two by two m...  
JP2007335770A
To provide a transformer with a tap changer for preventing gas leakage and the intrusion of rainwater at a box penetration part and easily installed. The transformer includes: a winding 15 with a plurality of taps 21; an insulation mediu...  
JP3137948U
To provide a transformer capable of efficiently adjusting mutual inductance between windings to obtain an appropriate coupling coefficient k and equally stabilizing the current flowing through the windings. A main core (11) in which a pl...  
JP4010988B2  
JP3136319U
To provide a small and low-loss wound iron core linear reactor. As shown in the present invention, a wound iron core reactor is provided with two windings, a main winding and a sub-winding, and an AC power circuit current is passed throu...  
JP2007273646A
To provide a superior at-load tap switch which is simplified in configuration by suppressing consideration into electrical insulation to a minimum, which can monitor the switching operation state of a changeover switch during the operati...  

Matches 851 - 900 out of 5,187