摘要:
An operating apparatus (10) for operating a vacuum interrupter (11) which comprises a fixed contact (12) and a mobile contact (13), comprises: - a bearing plate (14) which can be fastened to the fixed contact (12); - a main spring (15) which has a first end (151), by way of which it can act on the mobile contact, and a second end (152); - a mating spring (16) which has a first end (161), by way of which it acts on the bearing plate, and a second end (162); - an operating lever (17) which has a first action region (171), on which the main spring (15) acts by way of its second end (152), and a second action region (172), on which the mating spring (16) acts by way of its second end (162); wherein - the operating lever (17) is pivotably mounted on the bearing plate (14) in such a way that it can assume a first end position, in which the main spring (15) is at least partially relieved of tension and the mating spring (16) is tensioned and in which, in particular, the mobile contact (13) is separated from the fixed contact (14), and a second end position, in which the mating spring (16) is at least partially relieved of tension and the main spring (15) is tensioned and in which, in particular, the mobile contact (13) is pressed against the fixed contact (14).
摘要:
An energy accumulator (15) for or in an on-load tap changer (10) comprising a motor (11) with an output shaft (12) as well as a load transfer switch (13) with an input shaft (14) comprises - an elastic accumulation element (17), and - a gear unit which is coupled to the accumulation element (17) and which comprises: ∙ an input hub (201) that can be connected to the output shaft (12) for conjoint rotation therewith; ∙ an output hub (231) that can be connected to the input shaft (12) for conjoint rotation therewith; and ∙ a variable transmission means (20, 21) that is connected between the input hub (201) and the accumulation element (17).
摘要:
A switching arrangement (1), in particular a polarity switching means, for a control transformer (10) which comprises a first winding (2) for a phase of an AC power supply system, which phase is to be controlled, comprises - a first connection terminal (1.1) which can be connected to the winding (2); - a second connection terminal (1.2) which can be connected to a discharge line (3); - a vacuum interrupter (4); - an isolator (5); - a resistor (6) which is connected in series with the vacuum interrupter (4) and the isolator (5); wherein - the first connection terminal (1.1) is connected to the second connection terminal (1.2) by means of the series circuit.
摘要:
The invention relates to a holder (10) for at least one vacuum switching tube (11) of an on-load tap changer, comprising a support plate (12), which can be fastened to a mount of the on-load tap changer, a first sleeve (13), which can be inserted in the one first vacuum switching tube (11), and which has two opposing ends, a first end (16) of which located away from the support plate (12) can be connected to said vacuum switching tube (11), and a second end (17) located close to the support plate (12) is connected to the support plate (12). The first sleeve (13) completely surrounds or encloses at least a part of the first vacuum switching tube (11), or has a section (18) that completely surrounds or encloses at least a part of the first vacuum switching tube (11).