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JP4441419B2 |
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JP4440794B2 |
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JP4436408B2 |
The device has an isolation gas-filled encapsulation housing (1), an earthing contact (14), an isolator contact (15) attached to a first current conductor (6) at high voltage, a movable contact element (9), a conductor tube (11) attached...
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JP4435499B2 |
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JP4421101B2 |
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JP4409708B2 |
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JP4409822B2 |
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JP2010020937A |
To obtain an open-close device capable of suppressing increase in size of the open-close device including a contactor.This device is equipped with a cylindrical movable side fixed contactor 1 and fixed side fixed contactor 10, the movabl...
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JP4403782B2 |
A main circuit switching unit and an isolator are accommodated in a vacuum container. A first conductor and a main circuit conductor are arranged to extend in and out of the vacuum container. A movable electrode of the main circuit switc...
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JP4399479B2 |
Provided is a terminal connection device capable of stabilizing contact of contact portion even in a case that center misalignment of connected terminals is caused by the flowing of a big current due to accident, without increasing press...
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JP4388032B2 |
Provided is a solid insulated disconnection switch including a base frame to which outside electrical equipment is electrically connected, a driving assembly generating rotating power, a shaft of which an outside surface has a screw thre...
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JP2009296827A |
To surely prevent the occurrence of a blackout in a substation by preventing an inspector from forgetting opening of a cutoff-circuit locking switch when executing an inspection of a protective relay.A current-test terminal device is use...
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JP4386323B2 |
A fixed member 11 is provided with an input terminal 2 to be connected with a battery 100 and an output terminal 9 to be connected with an electric load 101. A movable member 12 is provided with the first current pass 4 that has connecti...
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JP4378254B2 |
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JP2009272077A |
To provide a power source changeover switch that does not need a large space in a board and that is capable of reducing the number of steps in wiring.The power source changeover switch drives a drive handle 8 provided with a toggle mecha...
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JP4367228B2 |
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JP4369160B2 |
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JP4365620B2 |
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JP2009259820A |
To provide a means for visually and electrically display a state of ready to close (readiness to close;RTC) for a circuit breaker.Exemplary embodiment includes a circuit breaker device, including a lay shaft coupled to circuit breaker co...
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JP4352050B2 |
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JP2009245684A |
To provide a power distributor electrode capable of securing wear resistance without using a binder and a dispersing agent.The power distributor electrodes 22 and 33 are provided by forming silver-plated layers 2 and 3 on the surface of ...
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JP2009536513A |
Method for maintenance of high-voltage switchgear/fuses in an installation, which method is performed while the switchgear/installation is under operation/voltage. It is further provided a device for carrying out the method, which device...
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JP4339667B2 |
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JP4338067B2 |
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JP2009212372A |
To obtain an electromagnetic actuator which can generate a large driving torque and can be miniaturized.The electromagnetic actuator is provided with: a fixed iron core 14 having a plurality of magnetic poles inside; a rotation shaft 16 ...
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JP2009199968A |
To prevent a short-circuit accident damaged by birds by widening a phase-distance between adjacent charging sections without enlarging an occupied space of an atmospheric disconnecting switch.The phase-distance between the adjacent charg...
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JP4321333B2 |
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JP4307052B2 |
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JP4294930B2 |
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JP4296715B2 |
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JP4297549B2 |
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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...
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JP4277198B2 |
A vacuum switchgear system for a three phase electric power system, wherein a switchgear comprises a vacuum switch comprising a vacuum container and switches accommodated in the vacuum switch and an operation unit. Each of the switches a...
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JP3151075U |
To switch a switching blade provided for contacting and rotating a standing blade from a disconnecting position to a pair of receiving blades, and press-contact the switching blade to the standing blade and the receiving blade to energiz...
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JP4270849B2 |
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JP4272037B2 |
Power terminals constituting a power switch are provided in both of connector housings, respectively. Fitting sensing terminals forming a fitting sensing switch are provided in a lever attached to the one connector housing and the other ...
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JP4264094B2 |
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JP2009099326A |
To provide a resin cast article capable of firmly pasting a copper section and a ferrous section with an insulated section formed by molding epoxy resin.A breaker rod 7 connecting different kinds of metal materials used for opening and c...
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JP4249971B2 |
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JP2009070780A |
To provide an insulating barrier of a power switch having incombustibility and anti-explosive stress property and excellent in tracking resistance and heat resistance.The power switch 1 includes a switching electrode 7 consisting of a fi...
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JP2009054543A |
To increase inter-earth dielectric strength of an earth switch having a main circuit electrode embedded in an insulating cylinder.The switch includes: the insulating cylinder 1 formed by molding; the main circuit electrode 2 embedded in ...
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JP4237431B2 |
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JP4230739B2 |
A gas-insulated switchgear includes a tank filled with an electrically insulating gas, first and second conductors disposed within the tank, a disconnector for disconnecting the first conductor and the second conductor from each other, a...
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JP4224301B2 |
A switching contact arrangement is for a power switch, wherein a plurality of contact levers are pivoted on a contact support via a bearing pin. The contact support is provided with at least three support elements for radially supporting...
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JP2009026617A |
To provide an operation device for a disconnector which is in a simple structure and can be inexpensive at fewer components.One end of a driving lever 9 rotatably supported on a drive shaft 10 is connected with a plunger 8 of an electrom...
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JP4205663B2 |
A switching installation ( 5 ) having a circuit breaker ( 12 ), which is connected to a cable connection ( 33 ), and optionally a disconnector ( 14 ) for making or breaking a conductive connection between the cable connection ( 33 ) and ...
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JP4198337B2 |
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JP2008295259A |
To provide a three-phase collective type circuit, the breaker of which the tank diameter is small and which requires only a small space for installation.Three phases of a disconnector 4 are provided adjacent to a conversion part 5, and a...
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JP4188812B2 |
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JP2008288605A |
To provide an operation device including a permanent magnet arranged on a magnetic circuit other than the magnetic circuit generated by an exciting coil, thereby reducing the occurrence of eddy current, so as to solve the problem associa...
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