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为什么中国使用220V交流电,而有的国家却使用110V？
230-240V：英国及大多数英联邦成员国、大多数英国海外领地、大多数中东国家 220-230V：欧洲大陆国家、以及他们的大多数前殖民地；前苏联的加盟国,以及受苏联影响较深的国家。
220-240VAC 50/60HZ 什么意思？_百度知道
220-240VAC 50/60HZ 意思是：适用电压为220-240V、频率为50HZ或者60HZ的交流电。 AC是交流电（alternating current）的简称。交流电也称"交变电流",简称"交流"。一般指大小和方向
家里电压超240V了,会设备有影响吗？
Jul 18, 2023 · 家里电压超240V了,会设备有影响吗？,最近发现家里的电压偏高,白天还好,大概在238V,但是到晚上能到243V。 给电网打电话,他们说这都很正常,现在电压普遍偏高一些。
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国产220v的电器,在国外240v的电压下能用么？
May 24, 2021 · 供电系统的电压范围是+10%-- -5%,现在居民家中电压都在230V以上,晚间甚至达到245V（我家有 数字电压表）。所以,国内电器在240V电源上使用没问题。如果240V的电
很多电器上标有 AC 100V-240V 是什么意思? AC不是代表
Apr 8, 2021 · 很多电器上标有 AC 100V-240V 是什么意思? AC不是代表交流电流吗,怎么后面是电压?由题意对上述电子设备技术参数进行解读：（1）入100~240V AC ：表示该USB驱动应接
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家用电压 240 伏正常吗？
Aug 27, 2024 · 你好,这个电压属于正常范围,一般电网末端用户电压在±5-10%范围内都是正常的,我们的家用电器正常工作电压一般都在240V以下。
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家里电压长期240以上正常吗？
Sep 28, 2020 · 我家要求电压不能超过230V,超过了就让电力公司给降压！因为我坚持使用上世纪的 电感镇流器 的荧光灯,电感镇流器对电压的要求很高,如果过压会对电感镇流器有致命性
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使用220V电压的电器,用240V的电压会不会容易坏？
值得注意的是,虽然240V电压在某些地区是常见的,但使用220V电器时,应尽量保持电压在推荐范围内。 如果电压过高,超过250V,电器的使用寿命可能会缩短,甚至导致损坏。
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为什么充电器的输入电压写的是 100~240V？
Dec 29, 2024 · 为什么是一个区间值呢？因为这种电源适配范围很宽,世界上各个国家的交流电都可以使用 其中日本使用最低的100V,英国使用最高的240V。所以就设置了这么个范围。
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Aug 1, 2023 · China holds a pivotal status as Guyana''s strategic partner, lauded by President Ali for its remarkable strides in modernization.