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首页> 外文会议>Twenty-Eighth Annual IEEE Applied Power Electronics Conference and Exposition >Droop controller design methods for isolated DC-DC converter in DC grid battery energy storage applications
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Droop controller design methods for isolated DC-DC converter in DC grid battery energy storage applications

机译：DC电网电池储能应用中隔离式DC-DC转换器的下垂控制器设计方法

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摘要

Droop control is a potential solution to assign the power share for multiple DC power sources such as battery energy storage systems in a DC micro-grid, without demanding communication requirement. The design objective of the droop controller is to regulate the DC-DC converter virtual output impedance. As the major contribution of this paper, two types of DC droop controllers are proposed for the isolated DC-DC converter in battery energy storage applications in DC grid. One method provides cost effective solution by only designing the output voltage compensator without current sensor. The other method requires a current-feedback loop but provides accurate and linear output droop. An isolated DC-DC converter prototype was built and the test results were reported for both droop controller designs.
机译：下垂控制是一种潜在的解决方案，可以在不要求通信的情况下为多个DC电源（例如DC微电网中的电池储能系统）分配功率份额。下垂控制器的设计目标是调节DC-DC转换器的虚拟输出阻抗。作为本文的主要贡献，针对直流电网电池储能应用中的隔离式DC-DC转换器，提出了两种类型的DC下垂控制器。一种方法是通过仅设计不带电流传感器的输出电压补偿器来提供具有成本效益的解决方案。另一种方法需要电流反馈环路，但可提供准确且线性的输出下降。构建了隔离的DC-DC转换器原型，并报告了两种下垂控制器设计的测试结果。

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