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WO/2007/141238A1 |
In order to develop a polyphase switch panel for medium-voltage switchgear assemblies for selective earthing of a respective single busbar connection of the medium-voltage switchgear assembly by means of a circuit breaker which has a dri...
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WO/2007/134692A1 |
In accordance with one embodiment, a switching device for an electrical switchgear assembly for energy distribution with a functional unit for the function of earthing and a functional unit for the function of isolation is specified, whe...
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WO/2007/131868A1 |
The invention relates to a switching device, in particular fused interrupters, comprising a housing and a cover arranged thereon, wherein in the housing at least one pair of contacts is provided for receiving respectively one contact bla...
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WO/2007/096302A1 |
The invention relates to an electrical switching device having a first interrupter unit for interrupting and connecting an electrical line, in particular an air-insulated grounding switch. Furthermore, the invention relates to a method f...
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WO/2007/085425A1 |
The invention relates to a contact system for a short-circuiting device in a medium-voltage or high-voltage switchboard plant, comprising one stationary contact piece (10) each per phase, connected to the mains voltage (high voltage or m...
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WO/2007/085727A2 |
Device for automatically earthing the neutral (N) of an electrical appliance co-operating with a cut-off and/or protection apparatus comprising jaws (1, 2) for receiving an isolating element (3) of the strip type and/or a protection elem...
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WO/2007/077108A1 |
A switching point (1) of an electrical switching device has a first and a second contact piece (2, 3), which can be moved in relation to one another by means of a drive device (5). The drive device (5) has a gear mechanism, which contain...
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WO/2007/078285A1 |
As applications of variable frequency drives (VFD) (50) continue to grow so do challenges to provide VFD(50) systems meeting application specific requirements . For multiple reasons to include safety standards and electromagnetic interfe...
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WO/2007/070288A2 |
A bypass blade is pivotably connected to the first terminal pad, and movable between open and closed positions. The bypass blade electrically connected between the first and third terminal pads when in the closed position. A first discon...
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WO/2007/057164A1 |
The invention describes an electrical switchgear assembly (10). The switchgear assembly (10) has at least two circuit breaker poles (11), which are arranged next to one another on a mounting frame (13). Furthermore, two grounding switche...
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WO/2007/042548A1 |
The invention mainly concerns an assembly for a ground disconnect switch comprising a fixed ground contact (12), a phase contact (14) adapted to be electrically connected to a conducting bar (8) via mobile connection means (16) for elect...
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WO/2007/035644A2 |
A radio frequency identification tag reading/writing station is adapted to be used with a radio frequency identification tag reader/writer in order to read/write radio frequency identification tags on a continuous web of carrier material...
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WO/2007/031040A1 |
In order to design a vacuum interrupter (1, 1’) having a housing (2), a first contact system (19, 22, 31, 34), which comprises a movable contact piece (19, 34) and a fixed contact piece (22, 31), and a second contact system (11, 16) co...
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WO/2007/023093A1 |
The invention relates to a contact assembly for an earthing switch (4, 5) or circuit breaker, said assembly comprising a first and second contact part (7, 9). The two contact parts (7, 9) can be displaced in relation to one another. At l...
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WO/2007/017573A1 |
A neutral connection device comprises two pairs of axially remote connection jaws (1, 2), which are fixed to an insulating support and connected to each other by a removable connecting battery (4), wherein one jaw pair (1, 2) is electric...
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WO/2006/131560A1 |
An electric switch including a stationary contact that is annular. The switch comprises a gastight enclosure (2), a conductor bar (8) of axis (D), a stationary contact (12) presenting a contact zone (22) of substantially annular shape, a...
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WO/2006/109892A1 |
A manual interrupter, i.e. a service plug device (50), arranged in series with a relay between a fuel cell and a load comprises a case (52), a service plug (70), a rotary lock plate (58) and a limit switch (64). The rotary lock plate (58...
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WO/2006/100293A1 |
The invention relates to a metal bracket (10) for retaining fuses in the cover of a fused interrupter. Said bracket comprises a front section (12) and two wall sections (14) that extend perpendicularly from the front section. According t...
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WO/2005/122352A1 |
The invention relates to a gas-insulated switchgear, particularly a gas-insulated medium-voltage switchgear, according to claim 1. In order to satisfy additional safety requirements also with position 2 and 3 disconnectors in gas-insulat...
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WO/2005/109450A1 |
A compliant electrical contact assembly (11) for temporarily interfacing two electrical devices. The assembly (11) includes a contact (10) having loops (14) with axes forming with a closed coil with opposed contact points (16, 18). The a...
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WO/2005/083732A1 |
The invention relates to a switching device comprising an encapsulation housing (1) filled with an insulating gas. A grounding contact (14) and a disconnection contact (15) are fixed in the interior of the housing. A displaceable contact...
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WO/2005/074085A2 |
Disclosed is a high-voltage outdoor bushing arrangement (1) comprising an electrically insulating jacket (6) and an electrically conducting housing (2). An isolating gap (11) is located inside the electrically conducting housing (2). Sai...
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WO/2005/074074A2 |
The invention relates to a leadthrough arrangement (1) comprising a separating switch component which is connected to an electrically insulating cover (10) in the manner of an open-air leadthrough. A tubular shaped electrode (9) is arran...
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WO/2005/069327A1 |
The invention relates to an electrical contact element (24) that can be used to electrically connect in series two conductive elements (12, 22) that can be displaced in relation to each other and form part of the electrical equipment. Sa...
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WO/2005/062325A1 |
A disconnector comprising a movable conductor (1) for connecting/disconnecting/earthing an electric line, an insulating holder (7) for securing an input terminal part (3), a connecting terminal part (5) and an earthing terminal part (6),...
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WO/2005/062328A1 |
The invention relates to a medium voltage switchgear assembly which comprises at least one disconnector and whose drive unit is disposed inside or outside a gas chamber according to the generic part of claim 1. In order to further develo...
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WO/2005/024876A1 |
A bypass switch recloser assembly has a first switch assembly connected electrically in series to a second switch assembly. A bypass switch assembly is connected electrically in parallel to the first and second switch assemblies. A reclo...
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WO/2005/018066A2 |
The invention relates to a high or medium-voltage electric switch, in particular a GIS-type breaker embodied in the form of a tree-position switch having a ground position comprising a tightly closed casing (1) filled with a dielectrical...
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WO/2004/109881A2 |
The invention relates to a communication system (1,20) consisting of a protection housing (2, 2a) provided with a contact breaker unit (3) arranged therein. Said contact breaker unit (3) comprises two contact elements which are movable w...
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WO/2004/109880A2 |
The invention relates to a switch assembly (1, 20, 30) comprising an essentially tubular enclosed housing (2, 21, 31). The tubular axis of the enclosed housing (22, 21, 31) deviates from the horizontal and the vertical. The switch assemb...
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WO/2004/093276A2 |
A displaceable contact piece (3) of an earthing switch (4) transverses the wall (2) of a housing of a capsule. Said displaceable contact piece (3) is sealed with respect to the capsule housing wall by means of a sealing element. The disp...
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WO/2004/054057A1 |
A gas−insulated switch gear, wherein all of a breaker, a disconnect switch with an earth switch, and a bushing for bus− bar in an insulating gas−sealed tank are supportedly installed on a single flat plate−shaped mounting plate f...
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WO/2004/053911A1 |
An air circuit breaker in which the size of a spring for closing the air circuit breaker by relieving accumulated pressure is decreased, an excessive stress load is prevented, the mechanical strength lifetime of the closing spring is pro...
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WO2004032165A9 |
A make-before-break selector switch for use in high-voltage applications allows power to a load to be switched from a first power source to a second power source such that the second connection is made before the first is broken. The sel...
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WO/2004/030007A1 |
The invention relates to a single pole fuse holder base consisting of a base body (1), a frame or base (2) and a cover (3) comprising lateral end grooves (7) which are articulated to respective lateral flanges (4) belonging to the base (...
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WO/2004/017348A2 |
Drive mechanism for the synchronous operation of a plurality of vacuum circuit breakers (35). It comprises energy storage means (6), conversion means (37) for converting energy stored in the energy storage means (6) into an operation of ...
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WO/2003/107373A1 |
The present invention relates to an insulator (20) for an electrical fuse cutout comprising: a composite body (30) with a connector (40), a housing (50) wherein the composite body (30) is located.
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WO/2003/096504A1 |
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 a rail sys...
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WO/2003/092027A1 |
An improved fuse cutout is provided of the type having a fuse tube assembly that moves to a dropout position upon operation in response to a fault current or other overcurrent. These types of fuse cutouts include the pivotal mounting of ...
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WO1996023336A9 |
With the intention of simplifying the replacement of an operating device (4) of an air insulated switchgear (1) having a power circuit breaker (3), the operating device has been made dockable. By dockable is meant that the operating devi...
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WO2003028055B1 |
One of the foregoing objectives is basically attained by providing an insulator assembly (11) including a terminal pad (91) having a base (95) that has angularly oriented first and second portions (97, 99). A first opening (101) in the f...
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WO2003026462B1 |
An insulator assembly has a mounting bracket for securing the insulator assembly to a support structure. The mounting bracket has a base having a first end and a second end. A first leg has a first end attached to the first end of the ba...
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WO/2003/056590A1 |
A medium voltage controller for electrical equipment, having cast fuse holders, a disconnect switch, a switch illuminator, low power current transformers, and an optical temperature measuring system. The fuse holder includes a cast housi...
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WO/2003/034454A1 |
The invention relates to a clip-on contact (1) comprising at least one leader contact (2), in addition to primary contacts (3), each contact being composed of U-shaped contact lamellae and having recesses (5, 9) that are designed to rece...
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WO/2003/028042A1 |
An insulator assembly (11) has a base assembly (31) that is rigidly connected and is not prone to movement over time. There are three support members, each with plurality of holes. One of the support members connect the two other support...
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WO/2003/028068A2 |
An insulator assembly (11) has a spacer (151) for conducting electrical current from the terminal pad (91) of a bypass switch assembly (19) to the contact of a switch assembly. The insulator assembly (11) has a base (31). A first switch ...
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WO/2003/001568A2 |
A transitional member for attaching between an elongate member and a tip that selectively engages operational catches on electrical distribution equipment mounted on poles of an electrical distribution system, in which the transitional m...
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WO/2002/089165A1 |
An insulator assembly (71) for a polymeric cutout assembly has a core (21) with first and second ends and an outer surface. First (51) and second (53) end caps are attached at the first and second ends. The end caps (51, 53) have outer s...
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WO/2002/089164A1 |
The invention relates to a fuse-holder base comprising a cover (1) and a fixed (2) or retractable (2') handle which is used for opening and closing the corresponding base and for disconnecting/connecting the fuse (3) which is removably s...
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WO/2002/082481A1 |
The invention relates to a switching contact arrangement for a power switch, which is characterized in that a plurality of contact levers are pivoted on a contact support (30) by means of a bearing pin (37) and that the contact support (...
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