13问答网 > 为什么要在PT二次侧中性点接击穿保险？与中性点直接接地有什么区别？直接接地不也能满足安全吗？

为什么要在PT二次侧中性点接击穿保险？与中性点直接接地有什么区别？直接接地不也能满足安全吗？

2025-03-15 17:50:22
推荐回答（1个）
回答1：

防止在接地相熔断器熔断时，主要是防止高电压窜入二次回路造成二次回路电压升高，电压升高对二次设备就人身造成伤害。

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