CN100504891C - 荧光灯用电子镇流器的三绕组变压器电路仿真方法 - Google Patents

荧光灯用电子镇流器的三绕组变压器电路仿真方法 Download PDF

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CN100504891C
CN100504891C CNB200610171093XA CN200610171093A CN100504891C CN 100504891 C CN100504891 C CN 100504891C CN B200610171093X A CNB200610171093X A CN B200610171093XA CN 200610171093 A CN200610171093 A CN 200610171093A CN 100504891 C CN100504891 C CN 100504891C
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winding
circuit
electronic ballast
transformer
simulation
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CN101122929A (zh
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李江淮
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Sichuan Liankai Lighting Co ltd
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Abstract

本发明公开的荧光灯用电子镇流器的三绕组变压器电路仿真方法，在电路仿真软件界面里的电子镇流器仿真电路的三绕组变压器中，第一绕组和第二绕组具有同名端，其异名端相连接形成公共参考点，将与三极管连接的第三绕组替换成反相器并和第二绕组并联，即反相器的输出端并联连接逆变输出电路三极管的的基极和射极，反相器的输入端和第二绕组并联，其中一端为公共参考点。满足电路仿真软件对多绕组非线性变压器的电路仿真条件要求，解决镇流器电路中多绕组非线性变压器的电路仿真无法仿真的问题，便于工程技术人员对电路进行性能分析和优化设计。

Description

荧光灯用电子镇流器的三绕组变压器电路仿真方法
技术领域
本发明涉及一种利用电路仿真软件对电路进行仿真，尤其是荧光灯用电子镇流器的三绕组变压器电路仿真方法。
背景技术
多绕组非线性变压器历来都是仿真的一大难题，主要是电路仿真软件说明书要求“变压器两侧接地”、多绕组变压器有“公共参考点，或许接地”。但是实际应用电路往往有自身的连接要求，并不一定是“变压器两侧接地”、多绕组变压器有“公共参考点”；众所周知，荧光灯用电子镇流器电路中包括一个三绕组变压器，其实际电路连接无法满足软件说明书的要求，仿真软件根本无法对其进行仿真。如何解决对三绕组变压器进行电路仿真成了荧光灯用电子镇流器电路分析、优化设计的关键之一。
发明内容
为解决上述电路仿真软件无法对荧光灯用电子镇流器中的三绕组变压器进行电路仿真，本发明提出荧光灯用电子镇流器的三绕组变压器电路仿真方法。
本发明解决其技术问题所采用的技术方案为：荧光灯用电子镇流器的三绕组变压器电路仿真方法，其特征在于：在电路仿真软件界面里的电子镇流器仿真电路的三绕组变压器中，第一绕组和第二绕组具有同名端，其异名端相连接形成公共参考点，将与三极管连接的第三绕组替换成反相器并和第二绕组并联，即反相器的输出端并联连接逆变输出电路三极管的基极和射极，反相器的输入端和第二绕组并联。仿真软件为Multisim、Protel、Pspice或Matlab电路仿真软件，本发明优先选用Multisim交互式电路仿真软件对电路仿真。
本发明的有益效果是：电路仿真软件界面里的电子镇流器仿真电路的三绕组变压器中，将与三极管连接的第三绕组替换成反相器并和第二绕组并联，则形成三个绕组有一个公共参考点，满足电路仿真软件对多绕组非线性变压器的电路仿真条件要求，解决镇流器电路中多绕组非线性变压器的电路仿真无法仿真的问题，便于工程技术人员对电路进行性能分析和优化设计。
附图说明
图1为仿真电子镇流器的三绕组变压器的电路图。
图2为仿真电子镇流器的三绕组变压器中第三绕组为反相器连接示意图。
图中：1.变压器；2.逆变输出电路三极管；3.反相器。
具体实施方式
下面结合附图和实施例对本发明进一步说明。
如图1所示，在电路仿真软件界面里的电子镇流器仿真电路的三绕组变压器1中，第一绕组和第二绕组具有同名端，其异名端相连接形成公共参考点，这也是实际电路的连接方式，但由于对多绕组变压器1进行电路仿真，电子镇流器中的三绕组变压器1的实际连接方式三绕组并没有一个公共参考点或公共接地端，因此在电路仿真软件界面的电子镇流器仿真电路的三绕组变压器1中，将与三极管连接的第三绕组替换成反相器3并和第二绕组并联，则形成三个绕组有一个公共参考点；即反相器3的输出端并联连接逆变输出电路三极管2的Q2的基极和射极，反相器3的输入端和第二绕组并联，其中一端为公共参考点。这样就满足电路仿真软件对多绕组非线性变压器1的电路仿真条件要求，解决镇流器电路中多绕组非线性变压器1的电路仿真无法仿真的问题，便于工程技术人员对荧光灯用电子镇流器电路进行分析和优化设计。

Claims (2)

1.荧光灯用电子镇流器的三绕组变压器电路仿真方法，其特征在于：在电路仿真软件界面里的电子镇流器仿真电路的三绕组变压器中，第一绕组和第二绕组具有同名端，其异名端相连接形成公共参考点，将与三极管连接的第三绕组替换成反相器并和第二绕组并联，即反相器的输出端并联连接逆变输出电路三极管的基极和射极，反相器的输入端和第二绕组并联。
2.根据权利要求1所述的荧光灯用电子镇流器的三绕组变压器电路仿真方法，其特征在于：所述的电路仿真软件为Multisim、Protel、Pspice或Matlab电路仿真软件。
CNB200610171093XA 2006-12-29 2006-12-29 荧光灯用电子镇流器的三绕组变压器电路仿真方法 Expired - Fee Related CN100504891C (zh)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4313060A (en) * 1980-02-15 1982-01-26 Bell Telephone Laboratories, Incorporated Uninterruptible power supply with load regulation of standby voltage source

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4313060A (en) * 1980-02-15 1982-01-26 Bell Telephone Laboratories, Incorporated Uninterruptible power supply with load regulation of standby voltage source

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