介绍了配电变压器低压保护的组成，对故障原因进行了分析，提出了提高低压保护可靠性的具体措施。
Introduces the constitutes of low voltage protection system of distributing transformer, analyzes the failure reason, puts forward concrete measures of improving low voltage protective reliability.
采用由高低压力保护的压缩机组，具有自我监测的压缩机起闭控制程序，噪声小，寿命长，温度波动小。
With both high pressure and low pressure protection and compressor, self-checking compressor on and off controlling program, ensuring low noise, long duration and little temperature fluctuation.
全自动化控制系统，高低压压力保护，电源断相及逆相保护，有效保障压缩机运行。
Fully automated control system, high and low pressure protection, power off phase and reverse phase protection, effective protection of compressor.
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