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Spring-loaded drive for high-voltage power switch and method for operating spring-loaded drive

A power switch and driver technology, applied to the power device inside the switch, the output power conversion device, the electric switch, etc., can solve the problem of damage to the motor, and achieve the effect of preventing damage, compact structure, and omitting the cooling device

Active Publication Date: 2019-02-05
SIEMENS ENERGY GLOBAL GMBH CO & KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This can damage the motor

Method used

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  • Spring-loaded drive for high-voltage power switch and method for operating spring-loaded drive
  • Spring-loaded drive for high-voltage power switch and method for operating spring-loaded drive
  • Spring-loaded drive for high-voltage power switch and method for operating spring-loaded drive

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Embodiment Construction

[0032] figure 1 A spring tensioning motor 1 for a spring energy storage drive for a high-voltage power switch is schematically shown in side view. For the sake of simplicity, elements such as the springs of the spring energy drive, the transmission and other elements of the kinematic chain of the high voltage power switch are not shown in the figures. The tensioning motor 1 shown comprises a housing 3 and electrical contacts 2 for electrically connecting the tensioning motor 1 to a power source. The power supply can provide DC voltage or AC voltage to drive the tensioning motor. For example, an AC voltage of 220Vac or a DC voltage of 110Vdc can be applied to the contact 2 of the tensioning motor 1 .

[0033] exist figure 2 A tensioning motor 1 with four diodes connected in a bridge rectifier circuit 7 according to the prior art is shown in . These diodes are connected in such a way that a positive voltage is always applied to the motor 1 . This is necessary so that the el...

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Abstract

The invention relates to a spring-loaded drive for a high-voltage power switch and to a method for operating the spring-loaded drive, wherein the spring-loaded drive comprises at least one spring andat least one clamping motor (1) for the at least one spring. The spring-loaded drive comprises at least one rectifier circuit (4), which is formed by precisely one diode (5) connected in series to theclamping motor (1).

Description

technical field [0001] The invention relates to a stored-spring energy drive for a high-voltage power switch and a method for operating the stored-spring energy drive, wherein the stored-spring energy drive comprises at least one spring and at least one tensioning motor for the at least one spring. Background technique [0002] Power switches switch on or off current paths for high voltages and currents, in particular in the range up to several 10000V and up to several 1000A. A large mechanical energy is required for this. To provide the required mechanical energy, spring energy drives are used. In these drives, a mechanical spring is tensioned by means of an electric motor via a transmission until the spring mechanically engages. The spring is locked against self-relaxation so that energy is stored in the spring. The locking can be released by means of a triggering device, wherein the spring relaxes and releases the stored kinetic energy for the switching operation of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H3/26H01H3/30
CPCH01H3/26H01H3/3005H01H2003/266H02M7/217
Inventor T.希尔克
Owner SIEMENS ENERGY GLOBAL GMBH CO & KG
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