| 城市轨道交通供电系统对电网的影响及控制 |
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| 引用本文： | 胡颖. 城市轨道交通供电系统对电网的影响及控制[J]. 建材技术与应用, 2020, 0(1): 38-41. DOI: 10.3969/j.issn.1009-9441.2020.01.018 |
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| 作者姓名： | 胡颖 |
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| 作者单位： | 山西职业技术学院,山西太原 030006 |
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| 基金项目： | 山西省教科院1331专项课题 |
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| 摘 要： | 基于电网运行环境,建立电厂主变压器中性点增加电容隔直装置相关问题模型,分析继电保护受直流偏磁抑制装置的影响机理,影响因素对交流电网故障特征及其继电保护影响的规律,通过测试数据分析得知,偏磁抑制电容的接入对于电网没有影响。
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| 关 键 词： | 直流偏磁 电容隔直装置 变压器 直流输电 |
Influence and Control of Urban Rail Transit Power Supply System on Power Grid |
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| HU Ying. Influence and Control of Urban Rail Transit Power Supply System on Power Grid[J]. Research & Application of Building Materials, 2020, 0(1): 38-41. DOI: 10.3969/j.issn.1009-9441.2020.01.018 |
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| Authors: | HU Ying |
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| Affiliation: | (Shanxi Polytechnic College,Taiyuan,Shanxi,030006,China) |
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| Abstract: | Based on the operation environment of the power grid,this paper establishes a model of the neutral point of the main transformer of the power plant to increase the capacity of the direct isolation device. It analyzes the mechanism of the influence of the DC bias suppression device on the relay protection. It also studies the law of the influence of the influencing factors on the fault characteristics of the AC power grid and the relay protection.Through the analysis of the test data,it concludes that the connection of the bias suppression capacitor has no effect on the power grid. |
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| Keywords: | DC bias capacitance isolation device transformer DC transmission |
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