| 新型晶闸管逆变电桥的分析计算 |
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| 引用本文： | 党福祥 夏霄红. 新型晶闸管逆变电桥的分析计算[J]. 工业加热, 1995, 0(4): 3-6 |
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| 作者姓名： | 党福祥 夏霄红 |
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| 作者单位： | 山东工业大学，山东计量科学研究所 |
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| 摘 要： | 介绍一种新型晶闸管中频感应电炉的逆变电桥，分析了对该电桥逆变晶闸管采用阻容保护电路的必要性。建立了该阻容保护电路中电容电压的二阶微分方程，解出电压随时间变化关系，推导出逆变晶闸管上的电压上升率，为元件参数的选择提供了依据。
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| 关 键 词： | 逆变电桥 晶闸管 电桥 计算 |
A New Thyristor Contravariant Bridge for MED Freq Furnace Main Power |
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| Dang Fuxiang,Xia Xiaohong. A New Thyristor Contravariant Bridge for MED Freq Furnace Main Power[J]. Industrial Heating, 1995, 0(4): 3-6 |
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| Authors: | Dang Fuxiang Xia Xiaohong |
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| Affiliation: | Dang Fuxiang;Xia Xiaohong |
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| Abstract: | This article introduces a new contravariant bridge circuit in the power source of the medium friquency induction furnace,analyzes the necessity of using R-C for protecting the thyris-tors.A second-order differential equation which describes the relation of time to voltage in that pro-tection circuit is established.The solution of that equation and the voltage increasing rate on the thyristor are given also.Thereby provides the basis for choosing the element parameters, |
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| Keywords: | contravariant bridge circuit R-C protection increasing rate of voltage |
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