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首页> 外文期刊>Electric power systems research >Voltage regulation in distribution networks in the presence of distributed generation: A voltage set-point reconfiguration approach
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Voltage regulation in distribution networks in the presence of distributed generation: A voltage set-point reconfiguration approach

机译：存在分布式发电时配电网络中的电压调节：电压设定点重新配置方法

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摘要

In this paper a control strategy based on predictive control ideas is proposed for reconfiguring on-line the on-load tap changer (OLTC) voltage set-point in electrical medium voltage (MV) power grids in the presence of distributed generation (DG). The idea is that an active management of the set-point can be effective for maintaining relevant system variables within prescribed operative constraints in response to unexpected adverse conditions, e.g. changing loads or generation failures. The voltage set-point reconfiguration problem is formulated as a constrained optimization problem by imposing that the voltages at certain nodes have, compatibly with all prescribed constraints and changed conditions, minimal deviations from their nominal values. Simulation results show that the proposed approach ensures, under certain conditions, feasible evolutions to the overall network whenever critical events occur.
机译：在本文中，提出了一种基于预测控制思想的控制策略，用于在存在分布式发电（DG）的情况下在线重新配置电力中压（MV）电网中的有载分接开关（OLTC）电压设定点。想法是，对设定点的主动管理可以有效地将相关的系统变量保持在规定的操作约束范围内，以响应意外的不利条件，例如：改变负载或发电故障。通过强加某些节点上的电压与所有规定的约束条件和变化的条件兼容，与其标称值的偏差最小，将电压设定点重新配置问题公式化为约束优化问题。仿真结果表明，所提出的方法可以确保在一定条件下，每当关键事件发生时，整个网络的可行演化。

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