什么是发电上网,发电并网和发电切换

2025-03-15 23:07:57
推荐回答(1个)
回答1:

发电并网,是指发电机与电力系统进行并列的过程。许多的发电厂、变电站、变配电设备、输电线路和电力用户,构成了电力系统。发电机并网的原理,简单地说就是利用电压、相位、相序、频率都相同时,可以进行并列运行的原理来实现的。打个比方,就好象是一条河流的水,缓慢而不受冲击地流入大海。当发电机与系统并列后,开始向电力系统输送电能,也就是说这个发电厂发的电开始“发电上网”了。也就说河里的水开始流入大海了。
至于发电切换,我觉得是你说的名词不够准确,而应该是电源切换。是指当某个电力用户的工作电源由于发生故障而中断时,自动或人为手动将电源切换为备用电源供电,这个过程就叫电源切换。要实现电源切换,必须要有两路不同的电源才可以。举个简单例子,就象一个人的一件衣服坏了,只能换另一件衣服穿。至于电源自动切换的原理和过程,那就很复杂了。

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