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AC controller for electromagnetic switches

A technology of AC power and regulator, which is applied in the direction of converting AC power input to AC power output, relays, output power conversion devices, etc., which can solve the problems of reducing the cost of maintaining power, reducing the cost of maintaining power, and large overhead, so as to avoid The effect of the synchronization effect of the phase

Inactive Publication Date: 2011-01-05
KLOCKNER-MOELLER GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this method for reducing the holding power is very expensive, especially considering the measures necessary to maintain electromagnetic compatibility
In particular, in operation with higher supply voltages, the overhead for reducing the holding power is therefore unduly high

Method used

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  • AC controller for electromagnetic switches
  • AC controller for electromagnetic switches
  • AC controller for electromagnetic switches

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Embodiment Construction

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Abstract

The invention relates to a device for an electromagnetic driving mechanism used for operating a switch device, wherein, the electromagnetic driving mechanism is operated through an AC power adjuster.

Description

AC power conditioner for electromagnetic switchgear technical field The invention relates to a device for operating an electromagnetic drive of a switchgear. Background technique When protecting drives, for mechanical and especially electrical durability reasons, it is decisive to adjust the closing speed of the drive to an optimum value in the rated voltage range in order to minimize mechanical shock loads and contact bounce change. On the other hand, the adjustment of the closing speed to the ideal value consists in the advance of the auxiliary switch, which should not fall below a minimum value. Sufficient advance of the auxiliary contact is essential in order to minimize the switching current, especially in the case of capacitor protection, wherein the capacitor protection precharges the capacitor to be switched by means of the contact resistance and the advanced auxiliary contact. In conventional electromagnetic drives, in particular due to the increased voltage de...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M5/00
CPCH01H47/36
Inventor G·施米茨
Owner KLOCKNER-MOELLER GMBH