配电变压器远方终端单元（TTU）是配电自动化的重要组成部分，而目前国内的大部分TTU产品都存在价格昂贵、功能不齐全、兼容性和通用性不够等缺点。

Terminal Transformer Unit (TTU) is an important portion of Distribution Automation. But most TTU products have some disadvantages like costly price, few functions, lack of compatibility, and so on.

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