广义的过电应力（Electrical Over Stress，EOS）是指元器件承受的电流或电压应力超过其允许的最大范围。过电应力是影响光耦器件的因素之一。
在使用不当方面，主要是静电放电(esd)损伤和过电损伤(EOS)，EOS损伤中包括输出端失配、加电顺序等操作不当引入的过电应力等。
As for application problems, the main failure reasons are damage caused by ESD and EOS, including mismatch in the output ports and incorrect biasing sequence, etc.
通过电站真机与模型转轮应力测试结果的分析证明，混流式转轮叶片应力与机组出力之(？)存在线性关系。
In this paper, the stresses analysis on prototype runner in power station and model runner proved that there is a linear relationship between blade stress and output of Francis turbine.
本工作通过电化学，恒载荷应力腐蚀和再钝化试验，对碳钢在碱溶液中的应力腐蚀破裂进行了研究。
The stress corrosion cracking(SCC) of carbon steels in aqueous alkali was studied by electrochemical technique, stress corrosion test under constant load and repassivation test.
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