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1. 发明授权

US08665924B2 Electronic circuit and method of supplying electricity 有权
标题翻译：电子电路和供电方法
公开(公告)号：US08665924B2
公开(公告)日：2014-03-04
申请号：US11665435
申请日：2006-07-24
申请人： Roland Koenig , Thomas Pasch , Andreas Haaks , Rolf Degel
发明人： Roland Koenig , Thomas Pasch , Andreas Haaks , Rolf Degel
IPC分类号： H05B7/148
CPC分类号： H05B7/005
摘要： The invention relates to an electronic circuit and a method for feeding power to at least one electrode of an alternating-current electric-arc furnace, particularly for melting metal. Known circuits of this type typically comprise a series connection with a transformer for providing a supply voltage for the electric-arc furnace from a power grid (1) and a AC power controller (8) connected between the transformer (6) and the electrode (11) for regulating the current through the electrode (11). According to the invention, a further development for such electronic circuits is proposed, which development has a simple design, is inexpensive and prevents overload of the AC power controller (8) even in operating modes of the electric-arc furnaces at high electrode currents. This further development provides to bypass the AC power controller with a bypass switch (9) that is opened or closed with the help of a controller as a function of the amount of current flowing through the electrode (11).
摘要翻译：本发明涉及一种用于向交流电弧炉的至少一个电极供电的电子电路和方法，特别是用于熔化金属。这种类型的已知电路通常包括与变压器的串联连接器，用于从连接在变压器（6）和电极（6）之间的电网（1）和AC功率控制器（8）提供用于电弧炉的电源电压 11）用于调节通过电极（11）的电流。根据本发明，提出了这种电子电路的进一步发展，其开发设计简单，价格低廉，并且即使在高电极电流下的电弧炉的操作模式下也能防止交流电力控制器（8）的过载。这种进一步的发展提供了利用通过控制器的帮助来打开或关闭的旁路开关（9）来绕过AC电力控制器作为流过电极（11）的电流量的函数。

2. 发明申请

US20080123714A1 Electronic Circuit And Method Of Supplying Electricity ... 有权
标题翻译：电子电路及供电方法
公开(公告)号：US20080123714A1
公开(公告)日：2008-05-29
申请号：US11665435
申请日：2006-07-24
申请人： Roland Konig , Thomas Pasch , Andreas Haaks , Rolf Degel
发明人： Roland Konig , Thomas Pasch , Andreas Haaks , Rolf Degel
IPC分类号： H05B7/148
CPC分类号： H05B7/005
摘要： The invention relates to an electronic circuit and a method for feeding power to at least one electrode of an alternating-current electric-arc furnace, particularly for melting metal. Known circuits of this type typically comprise a series connection with a transformer for providing a supply voltage for the electric-arc furnace from a power grid (1) and a AC power controller (8) connected between the transformer (6) and the electrode (11) for regulating the current through the electrode (11). According to the invention, a further development for such electronic circuits is proposed, which development has a simple design, is inexpensive and prevents overload of the AC power controller (8) even in operating modes of the electric-arc furnaces at high electrode currents. This further development provides to bypass the AC power controller with a bypass switch (9) that is opened or closed with the help of a controller as a function of the amount of current flowing through the electrode (11).
摘要翻译：本发明涉及一种用于向交流电弧炉的至少一个电极供电的电子电路和方法，特别是用于熔化金属。这种类型的已知电路通常包括与变压器的串联连接器，用于从电网（1）和连接在变压器（6）和电极（6）之间的AC电力控制器（8））提供用于电弧炉的电源电压 11）用于调节通过电极（11）的电流。根据本发明，提出了这种电子电路的进一步发展，其开发设计简单，价格低廉，并且即使在高电极电流下的电弧炉的操作模式下也能防止AC功率控制器（8）的过载。这种进一步的发展提供了利用通过控制器的帮助来打开或关闭的旁路开关（9）来绕过AC电力控制器作为流过电极（11）的电流量的函数。

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