Parallel Operation of Electronic Power Transformer(EPT)
Parallel Operation of Electronic Power Transformer(EPT)
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发表时间：
2005
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通讯作者：
J. Lu
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作者：
J. Lu
电子电力变压器与传统变压器有着显著的区别，它与其他电力变压器并联时具有其自身的特点。总结了并联系统配置的类型。在分析并联系统结构类型及其新特点的基础上，提出了主从控制、功率偏差控制、分布式逻辑控制和基于输出下垂特性的无线控制等几种控制方案。并对具有多个ept的交直流混合并联系统的输入级负荷分担控制进行了分析。最后，以具有两个ept的并联系统为例，详细讨论了主从控制策略，并通过仿真验证了所提控制策略的有效性。
Electronic power transformer (EPT) is significantly different from the conventional transformer and it is of its own features when it is connected with other EPT in parallel. Types of parallel system configuration are summarized. On the basis of analysis on the types of parallel system configuration and their new features, several kinds of control schemes are proposed, such as master and slave control, power deviation control, distributed logic control and wireless control based on output droop characteristics. And the load sharing control of the input stage is also analyzed by the AC and DC hybrid parallel system with several EPTs. Finally, on the basis of a parallel system with two EPTs, the master and slave control strategy is discussed in details and simulations are provided that show the effectiveness of proposed control strategy.