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首页> 外文期刊>Power Electronics, IEEE Transactions on >Conservative Power Theory, a Framework to Approach Control and Accountability Issues in Smart Microgrids
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Conservative Power Theory, a Framework to Approach Control and Accountability Issues in Smart Microgrids

机译：保守力量理论，一种解决智能微电网中控制和问责制问题的框架

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摘要

Smart microgrids offer a new challenging domain for power theories and compensation techniques, because they include a variety of intermittent power sources, which can have dynamic impact on power flow, voltage regulation, and distribution losses. When operating in the islanded mode, low-voltage smart microgrids can also exhibit considerable variation of amplitude and frequency of the voltage supplied to the loads, thus affecting power quality and network stability. Due to limited power capability in smart microgrids, the voltage distortion can also get worse, affecting measurement accuracy, and possibly causing tripping of protections. In such context, a reconsideration of power theories is required, since they form the basis for supply and load characterization, and accountability. A revision of control techniques for harmonic and reactive compensators is also required, because they operate in a strongly interconnected environment and must perform cooperatively to face system dynamics, ensure power quality, and limit distribution losses. This paper shows that the conservative power theory provides a suitable background to cope with smart microgrids characterization needs, and a platform for the development of cooperative control techniques for distributed switching power processors and static reactive compensators.
机译：智能微电网为功率理论和补偿技术提供了一个新的挑战领域，因为它们包括各种间歇性电源，这些电源可能会对功率流，电压调节和配电损耗产生动态影响。当以孤岛模式运行时，低压智能微电网还可能表现出向负载提供的电压幅度和频率的较大变化，从而影响电源质量和网络稳定性。由于智能微电网的功率能力有限，电压失真也会变得更糟，影响测量精度，并可能导致保护跳闸。在这种情况下，需要重新考虑电源理论，因为它们构成了电源和负载特性以及责任制的基础。还需要修订用于谐波和无功补偿器的控制技术，因为它们在紧密互连的环境中运行，并且必须协同工作以面对系统动态，确保电能质量并限制配电损耗。本文表明，保守的功率理论为满足智能微电网的表征需求提供了合适的背景，并且为开发用于分布式开关功率处理器和静态无功补偿器的协作控制技术提供了平台。

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