合上电梯供电开关，再分步控制柜内各控制回路电开关。检查所有电源电压和相序(相序继电器)是否正确。

Turn on the power switch, then turn on the switches in controller. Check phase and voltage.

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供电行业远远走在了前面，主要原因是他们可以利用电网来收集传感器反馈的数据和控制伺服开关。

Power utilities are well ahead, not least because they can use the grid itself to collect sensor data and control switches.

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值得一提的是天窗系统，采用的是全球领先的VELUX(威卢克斯)太阳能动力窗技术，智能开关完全由太阳能供电。

It is worth mentioning that the sunroof system, using the world's leading VELUX (Wilukes) solar power window technology, intelligent switch fully powered by solar energy.

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