| 甘景纯.某造纸厂配电网相角差成因分析及合环改造方案设计[J].中国造纸,2026,45(4):224-229 |
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| 某造纸厂配电网相角差成因分析及合环改造方案设计 |
| Analysis of the Causes of Phase Angle Difference in the Distribution Networks of a Paper Mill and Design of the Loop Closure Retrofitting Scheme |
| 收稿日期：2025-10-20 修订日期：2025-11-11 |
| DOI：10.11980/j.issn.0254-508X.2026.04.028 |
| 关键词: 造纸厂 配电网 相角差 合环 |
| Key Words:paper mill distribution network phase angle difference loop closure |
| 基金项目: |
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| 摘要:针对某造纸厂现有配电网系统改造展开深入分析，南北厂区主要配电网间存在固定30°相角差的问题。通过分析引发该相位差异的成因，以及对配电网可能产生的影响和潜在风险，并在充分考量现场运行条件与安全可靠性的前提下，经过多方案对比，提出了调整变压器联结组别以消除相位差的配电网合环改造技术方案。 |
| Abstract:This study conducted an in-depth analysis of the distribution network system upgrade at a paper mill. The main distribution networks in the northern and southern plant zones exhibited a fixed 30° phase difference. By analyzing the causes of the phase difference and its potential effects and risks on distribution networks， and after comprehensive evaluation of field operating conditions and safety reliability， a transformer connection group adjustment approach was proposed through multi-scenario comparisons to eliminate phase differences in distribution network loop closure retrofitting schemes. |
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