• 本文针对航天继电器触头燃弧现象理论建模实验两方面进行研究

    This paper aims at the arc phenomenon of aerospace relay and does research on its theory model and experiment.

    youdao

  • 农写于1938年硕士论文,“继电器开关电路符号分析”,应用布尔代数建立现代数字电路理论基础

    Shannon 's 1938 master's thesis, A Symbolic Analysis of Relay and Switching Circuits , used Boolean algebra to establish the theoretical basis of modern digital circuits.

    youdao

  • 根据可靠性抽样理论分析了过载继电器可靠性试验方案研制了过载继电器可靠性试验装置

    Based on the reliability sampling theory, the reliability examine plan of overload relay was analyzed and the test device was developed.

    youdao

  • 阐述电磁继电器贮存寿命预测理论基础上,选择了采用恒定应力加速寿命试验方法对电磁继电器进行试验及寿命预测。

    Based on the expounding of the prediction theory for storage life of electromagnetic relays, the constant stress accelerated life test was introduced.

    youdao

  • 理论分析了并架双回线线不接地故障距离继电器测量阻抗变化规律

    This paper analyses the rule of variations measuring impedance of distance relay when phase to phase fault occurs between two lines on double circuit line on the same pole (DLSP).

    youdao

  • 用无触点固态继电器无噪声理论寿命无限长内部继电器容量:250V/30A

    Inner contactless solid relay is with lower noise, infinite theoretical service life. Internal relay capacity: 250V/30A.

    youdao

  • 本文提出了一种分相式接地距离继电器判据,并进行了理论分析。

    This paper presents a new criterion to ground distance relay. The ground distance relay takes three-input comparators.

    youdao

  • 本文提出了一种分相式接地距离继电器判据,并进行了理论分析。

    This paper presents a new criterion to ground distance relay. The ground distance relay takes three-input comparators.

    youdao

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