最后给出了三相牵引变压器的过载能力曲线组，供设计、运行单位使用。
A group of overload capability curve of three-phase electric traction transformer is given for use by design and operation units.
作者结合工作心得，对非固有耐短路、无危害式安全变压器的短路和过载保护测试方法进行了总结和归纳。
With working experience, the author has summarized the test methods of short circuit and overload protection of non-inherently short-circuit proof transformer and fail-safe transformer.
对于任何防护等级的变压器，都可配置风冷系统(AF)，以提高短时过载能力，确保安全运行。
For any level of transformer protection, air-cooled system can be configured (af), to improve short-term overload capacity, to ensure safe operation.
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