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JP5408551B2 |
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JP5399179B2 |
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JP5389500B2 |
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JP5367594B2 |
A switch operating device has: an electric motor (5) capable of being rotated in both positive and negative directions; a drive shaft (6) rotated by the electric motor (5); a drive-side intermittent gear (8) rotated by the drive shaft (6...
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JP2013232353A |
To provide a disconnector which improves energization characteristics and voltage endurance characteristics even if the number of components of members provided at a fixed side electrode and a movable side electrode is reduced.The discon...
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JP5328567B2 |
To provide a disconnection mechanism which can block an excitation current, or the like, without having to install a cutout switch, or the like. A movable arc contactor 22, which is purposed for blocking a current is arranged in addition...
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JP5325652B2 |
To provide an operation check device for a disconnector with improved detection accuracy of an opening and closing position of the disconnector by reducing an operating range of a magnetic proximity switch. A turntable 8 is horizontally ...
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JP5324530B2 |
To provide a high voltage switchgear miniaturized by reducing an electric field in a blade end and a stator end and improving a voltage resistance property without using a larger shield. A high voltage switchgear has a switchgear includi...
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JP2013196824A |
To simplify a structure of an air break switch, and reduce costs.In an air break switch, a stationary electrode 3 and a pressure-welding spring 4 are mounted to a stationary plate 2 fixed to a support insulator 1. The stationary plate 2 ...
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JP5300621B2 |
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JP5295279B2 |
To provide an operating handle tool for an isolator capable of mounting an operating handle and a torque handle regardless of a kind of an isolator. A dedicated operating handle 20 has height H and width W of a fitting part 22 with a pre...
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JP5284738B2 |
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JP2013176270A |
To take pictures of a fuse in a cutout.A cutout includes: a fuse connected with a point between a power line and a pole transformer; an insulation case housing the fuse and having an opening for checking a part of the fuse from an obliqu...
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JP2013171707A |
To reduce an installation space for an air insulation switchgear.An air insulation switchgear includes first to third opening/closing apparatuses and a support member. The first opening/closing apparatus is connected to a first connectio...
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JP5275301B2 |
In an air circuit breaker provided with a make-and-break unit having a stator 11 and a blade-shaped movable element 10 rotatably supported with a support shaft 9 oppositely to the stator, comprising an electromagnetic operation unit 20 h...
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JP5269167B2 |
To provide a disconnector capable of facilitating a maintenance operation. A disconnector 1 comprises: a pair of conduction parts 2, 2 electrically connected to a pair of electric wires C1, C2; support parts 3 supporting a pair of the co...
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JP5248414B2 |
A switch including a movable side contacting portion (3 1 ), a fixed side contacting portion (3 2 ) arranged to face the movable side contacting portion (3 1 ), a movable conductor (4) held slidably in the movable side contacting portion...
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JP5243327B2 |
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JP5242458B2 |
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JP5242131B2 |
To provide a power source device in which wiring is saved and component control can be made easy. The power source device 1 to supply electric power to an electric motor of an electric automobile comprises a battery assembly 3 having a p...
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JP5241593B2 |
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JP5236902B2 |
The circuit breaker (1) has a cylindrical cam (40) for performing opening/closing sequence of a gas type switch (10), a sulfur hexafluoride type interruption switch (20) and a disconnecting switch (30). The cam has a wall in which recess...
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JP2013137866A |
To achieve improvement of voltage resistance characteristics of movable electrodes provided with load springs for applying contact loads to a fixed electrode.A disconnecting device includes: a fixed electrode 1 that is one electric circu...
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JP5235592B2 |
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JP2013134883A |
To solve the problems in which, since a contact material is manufactured by a sintering method and a contact is manufactured by brazing or welding the contact material to a base material, it is not possible to make a contact point long, ...
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JP2013131476A |
To provide an operation monitoring system capable of safely and securely determining whether a disconnecting switch is in normal operation.There is provided an operation monitoring system 1 for a disconnecting switch 100 including a rota...
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JP5225167B2 |
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JP5226467B2 |
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JP2013120719A |
To precisely grasp an operation status of an on-condition and an off-condition of a blade of a disconnector.A disconnector action checking device DS comprises: an on-side reflection section 220 mounted to a blade 200 so that a reflection...
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JP5209680B2 |
Disclosed is a transfer device (200) for an automatic transfer switch (100). With the configuration of the transfer device, the transfer device, which is installed between a plurality of air circuit breakers (110,120) to allow switching ...
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JP5210836B2 |
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JP5203659B2 |
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JP5200601B2 |
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JP2013517753A |
An exemplary switch having a housing that includes one contact bolt per phase. Each contact bolt moving along a longitudinal axis. In a first position on the axis, the contact bolt connects two active parts to one another. In a second po...
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JP5197786B2 |
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JP5187763B2 |
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JP5178966B1 |
A blade-type movable contact (26) that extends in the radial direction from the center of rotation and reciprocates so that the free end draws a rotation locus, and a plurality of pairs of energized contacts that come into contact with a...
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JP5177773B2 |
Actuator (1) for a switch, such as a high-voltage or medium-voltage circuit breaker, comprising a freewheel coupling device (5) to allow a motor (2) to be uncoupled when the switch contact is closed by the closing spring (4) provided for...
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JP5165094B2 |
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JP5153971B1 |
Each outermost part of fixed-side connection conductors, fixed-side fixed contacts, movable-side fixed contacts, and movable-side connection conductors are placed outside of an outermost diameter of a fixed-side conductor and a movable-s...
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JP5137799B2 |
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JP5139559B2 |
A movable contactor (D) of a circuit breaker, comprising: a cage (10) for angularly rotating with one side as a axis; a plurality of fingers (20) disposed at the cage, including a path body portion (21) having a predetermined thickness a...
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JP2013027226A |
To provide a GIS with a smaller insulation space filled with an insulation gas with fewer components.The GIS generally includes: a grounded container, a power source side conductor 7, a load side conductor 8, a bipolar EDS, a VCT side ou...
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JP5132764B2 |
A breaker switch includes a connector housing having plug-in contacts and a socket housing having sockets. The connector housing has a fuse chamber having an opening through which a fuse can be inserted into the fuse chamber. A lever piv...
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JP2013501491A |
A gas-insulated high-voltage switching includes a housing having a switch module including an actuator, a control module, a cable outlet, a transformer, a circuit breaker, and a grounding switch. The circuit breaker and the grounding swi...
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JP5111556B2 |
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JP5111245B2 |
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JP5114305B2 |
The present invention relates to a blade-shaped circuit breaker, for moderating an electric field between a fixed side electrode and an electrode of a movable blade, capable of improving electroinsulating property and implementing miniat...
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JP2012253917A |
To smoothly conduct an opening and closing test of an outdoor installation type circuit breaker.A bypass disconnector 100 includes a bypass member 101, which is formed by a circuit breaker conductive material and electrically connects wi...
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JP5096837B2 |
A power unit including a plurality of series-connected battery modules and safety circuit wherein a service plug is inserted from the side of a terminal board of a battery pack, thereby establishing an electrical connection among battery...
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