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Method and apparatus for controlling magnetically actuated power switching device

A switching device, a technology for controlling power supply, applied in measurement devices, electromagnetic relays, circuits, etc., can solve problems such as the inability to control the speed of the starter to open or close, waste of energy, etc.

Inactive Publication Date: 2007-09-19
ABB (SCHWEIZ) AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method of constantly opening and closing the magnetic starter wastes energy and cannot control the speed at which the starter opens or closes

Method used

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  • Method and apparatus for controlling magnetically actuated power switching device
  • Method and apparatus for controlling magnetically actuated power switching device
  • Method and apparatus for controlling magnetically actuated power switching device

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Embodiment Construction

[0020] The invention provides a power switch control device and a method thereof, so as to control a magnetic actuator in the power switch device. Accordingly, the power switch control device of the present invention is suitable for providing a series of modulated current pulses to control (eg open and close) a magnetic actuator in a power switch device. Magnetic actuators in power switching gear are controlled by using a series of modulated current pulses. In one embodiment of the present invention, the power switch control device is an automatic switch controller, and the power switch device is an automatic switch.

[0021] Additionally, in one embodiment of the invention, the operating characteristics of the magnetic starter in the power switching device are determined by observing the impedance of the magnetic starter coil. From this, the armature position of the magnetic starter can be determined. Alternatively, the physical state of the magnetic starter coil can be det...

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PUM

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Abstract

A power switching control device (1) and methods for using the same to control a magnetic actuator (15) within a power switching device (10) are disclosed. The power switching control device uses a series of modulated current pulses to control a magnetic actuator within a power switching device. The power switching control device inputs a power signal and applies a series of modulated current pulses through the coil of the magnetic actuator in a first direction such that the actuator moves from a first position to a second position. Certain operating characteristics of a power switching device can be ascertained by analyzing the impedance of the magnetic actuator coil within the power swithcing device. The power switching device control device also has an improved energy management system therein. In this manner, the controller includes a voltage regulator (22) that has the ability to switch between operating modes.

Description

technical field [0001] The present invention relates generally to the field of power distribution systems. More particularly, the present invention relates to power switch controls for use in power distribution systems. Background technique [0002] A ubiquitous problem in almost any power distribution system is the momentary interruption or failure of electrical equipment, for example due to momentary short circuits. Most of these faults are self-correcting and terminated quickly, thus requiring no permanent fuse or circuit breaker protection. However, if a fuse blows or a circuit breaker trips, the power line is disconnected and the user loses power. This would require service to replace the fuse or reset the circuit breaker, thereby increasing the cost to the user. [0003] A power switchgear system is a fault interrupting device that detects current, voltage, and / or frequency changes and isolates a faulty portion of a power distribution line, thereby protecting the po...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/02G01R31/327H01H47/32H01H51/22
CPCH01H51/2209H01H47/325
Inventor 厄斯金·R·巴伯卡尔·J·拉普拉斯
Owner ABB (SCHWEIZ) AG
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