发电厂厂用电系统接线通常采用什么类型?

2025年03月15日 08:29
有1个网友回答
网友(1):

发电厂厂用电系统接线通常采用单母线分段接线方式。

单母线分段接线形式,它是将单母线用分段断路器分成几段。与单母线不分段相比提高了可靠性和灵活性。
优点:
1, 两母线段可以分裂运行,也可以并列运行;
2, 重要用户可用双回路接于不同母线段,保证不间断供电;
3, 任意母线或隔离开关检修,只停该段,其余段可继续供电,减少了停电范围。
缺点:
1, 分段的单母线增加了分段部分的投资和占地面积;
2, 某段母线故障或检修时,仍有停电情况;
3, 某回路断路器检修时,该回路停电;
4, 扩建时需向两端均衡扩建。

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