Design and experimental evaluation of the loss-free braking resistor concept for applications in integrated converter machine systems

被引:0
|
作者
Kolar, JW [1 ]
Ertl, H [1 ]
Zach, FC [1 ]
机构
[1] Vienna Tech Univ, Inst Elekt Maschinen & Antriebe, A-1040 Vienna, Austria
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中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
If the braking resistor of a conventional dissipative braking system (braking chopper) of a three-phase AC drive is replaced by a thyristor bridge (Loss-Free Braking Resistor) controlled in the full inverter operation, the braking energy of the drive can be fed back into the mains. This means that the current flowing into the mains via always two phases from the DC link is controlled by the power transistor of the braking chopper. In this paper this regenerative braking system as proposed in [1] is discussed based on a 10kW laboratory model.
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页码:626 / 629
页数:4
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