File:Inverter ckt 01cjc.png
Inverter_ckt_01cjc.png (293 × 405 pixels, file size: 7 KB, MIME type: image/png)
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DescriptionInverter ckt 01cjc.png |
English: simple inverter configuration |
Date | |
Source | en wikipedia |
Author |
English: C J Cowie |
Summary
[edit]Simple inverter circuit diagram drawn by the contributor.
The upper part of the figure shows a simple inverter configuration in which a bidirectional switch is used to alternate the voltage supply between the two halves of the primary of the transformer. The secondary side of the transformer outputs a voltage square waveform whose amplitude is given by the transformation ratio of the transformer and whose frequency is given by the switching time of the switch.
The lower part of the figure shows an inverter in which the transformer is used also to command the two BJT's. When the upper BJT is in saturation, the transformer primary is subjected to a DC voltage. This voltage is mirrored into the two auxiliary windings which drives the bases of the BJT's. While approaching magnetic saturation, the voltage in these two auxiliary windings falls down and so the upper BJT turns off. Since in the transformer core the H field is not zero, a current must feed the transformer. This causes a rapid voltage inversion across all the transformer windings, which turns on the lower BJT. This cycle repeats indefinitely and causes a square voltage waveform on the secondary output of the transformer.
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue |
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This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. | |
Attribution: English Wikipedia user C J Cowie | ||
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This licensing tag was added to this file as part of the GFDL licensing update.http://creativecommons.org/licenses/by-sa/3.0/CC BY-SA 3.0Creative Commons Attribution-Share Alike 3.0truetrue |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 12:19, 23 September 2008 | ![]() | 293 × 405 (7 KB) | Wdwd (talk | contribs) | {{Information |Description=en:simple inverter configuration |Source=en wikipedia |Date=23:52, 14 March 2006 |Author=en:C J Cowie |Permission= }} == Summary == Simple inverter circuit diagram drawn by the contributor. The upper part of the figure shows a |
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