balanced polyphase source

例句：

1. 1.The balanced polyphase source is essential for the operation of the power system.
   平衡多相电源对于电力系统的操作至关重要。
2. 2.The balanced polyphase source provides stable and reliable power supply.
   平衡多相电源提供稳定可靠的电力供应。
3. 3.The balanced polyphase source is widely used in industrial applications to ensure efficient energy conversion.
   平衡多相电源在工业应用中广泛使用，以确保高效的能源转换。