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15问答网 > 12v120w的用电器接12v10a的变压器行么？

12v120w的用电器接12v10a的变压器行么？

2024-11-02 10:01:49

推荐回答（2个）

回答1：

12v120w的用电器接12v10a的变压器行么？

如果是电阻性负载可以，电感型负载不行，因为有一个功率因数问题（即视在功率与额定功率不一致的问题）。

12V10A=120VA，如果电器负载的功率因数为0.8那么，只能带120*0.8=96W的用电器。

回答2：

看是什么类型的用电器，一般电源负载能力要求富裕些，起码150W以上才能够稳定工作。安装时注意交直流别弄错了。

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