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IEC 61850 based predictive power management system for industrial networks

机译:基于IEC 61850的工业网络预测功率管理系统

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The industrial power distribution network, of late, has become complex as utility network due to multiple generating units operating in parallel and distributed loads. Stability of the power system is critical for the efficient operation of a process plant. Loss of generation is one of the severe contingencies in the plant network, which may result in black-out of the sources due to the cascaded tripping of sources. Different techniques of load shedding are used like under-frequency based, rate of change of frequency based, contingency based etc. The paper discusses about a model that is predictive. The load shedding scheme is based on power balance with a back-up frequency and/or header steam pressure. Industrial distribution network have multiple sub-network islands based on the source and tie-feeder status and are dynamic in nature. The model includes dynamic sub-network determination matrix. The model considers the Spinning reserve power available in the machines in the power balance calculation to avoid over-shedding of the loads. The paper also discusses about the various load shedding techniques and the importance of the fast load shedding. The proposed model is reliable, fast, flexible and effective that results in maximum availability of the power with minimum plant disturbance. The model uses the ethernet based network for faster communication and would be best suited for the management of networks of large process plants of oil and gas, cement, steel, paper and chemical industries.
机译:最近,由于多个发电机组以并联和分布式负载运行,因此工业配电网络作为公用事业网络已经变得复杂。电力系统的稳定性对于加工厂的高效运行至关重要。发电损失是工厂网络中严重的突发事件之一,由于源的级联跳闸,可能会导致源停电。使用了不同的减载技术,例如基于欠频,基于频率变化率,基于意外事件等。本文讨论了一种可预测的模型。减载方案基于具有备用频率和/或集管蒸汽压力的功率平衡。工业配电网具有基于来源和联络人状态的多个子网孤岛,并且本质上是动态的。该模型包括动态子网确定矩阵。该模型在功率平衡计算中考虑了机器中可用的旋转备用功率,以避免负载过度脱落。本文还讨论了各种减载技术以及快速减载的重要性。所提出的模型是可靠,快速,灵活和有效的,从而在最小的工厂干扰下实现了最大的电源可用性。该模型使用基于以太网的网络来加快通信速度,最适合于石油,天然气,水泥,钢铁,造纸和化学工业等大型过程工厂的网络管理。

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