Other cost-saving advantages in system installations include:
-No need to add cables between transformer and inverter
-No need for separate indoor/outdoor spaces for transformers(oil pits,cable trenches)
-Due to the integrated input contactor,there is no need to increase the control cable between the user’s main circuit breaker and the inverter for control and protection
系统安装中，其它节省成本的优势包括：
-无需增加变压器和变频器之间的电缆
-无需为变压器提供单独的室内/户外空间(油坑，电缆沟)
-由于集成了输入接触器，无需增加用户主回路断路器和变频器之间用于控制和保护的控制电缆
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