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- residual current variation method 剩余电流变化量法
- Residual current variation 剩余电流变化量
- The IDB-2 type residual current operated protection tester was introduced. 介绍了IDB-2型剩余电流动作保护测试仪。
- The influence of circular trim coil current variation on vertical beam behaviour is also determined experimentally. 同时也测量了束流引出区环形补偿线圈中的励磁电流变化对引出束流性能的影响。
- The input impedance, voltage, and current variation along a transmission line is approximated as cascade of many parallel C and series L circuit model. 以多段并联电容与串联电感串接电路模型近似输入阻抗、电压、电流沿传输线位置之变化响。
- In the Huanghai Sea, tide-induced residual current is also an important part of its circulation. 在黄海，潮致余流也是黄海环流的重要组成部分。
- The input impedance, voltage, and current variation along a transmission line is approximated as cascade of many series L and parallel C circuit model. 以多段串联电感与并联电容串接电路模型近似输入阻抗、电压、电流沿传输线位置之变化。
- The socket outlet shall be protected by a 30mA residual current circuit breaker. 电器插座应该由30毫安剩余电流动作断路器进行保护。
- It summarizes class,feature,parameter and selection of the residual current device,correct wiring and definition of numher of poles of knife switch. 指出 TN、TT接地系统装设剩余电流保护器的必要性 ,综述了剩余电流保护器的种类、特点、参数、选择和正确接线方式以及刀极数的确定。
- The input impedance, voltage, and current variation along a transmission line is approximated as cascade of many parallel C/2, series L, parallel C/2 circuit model. 以多段并联电容、串联电感、并联电容兀形串接电路模型近似输入阻抗、电压、电流沿传输线位置之变化。
- The tidal current fields , water-level fields and residual current fields of spring, mean, and neap tides are simulated. 并模拟了大、中、小潮三种潮汛条件下的潮流场,水位场及余流场。
- Using the long-term current data measured by buoys, the cause for the low frequency current variation in the Huanghai Sea and the East China Sea has been analyzed in this paper. 本文利用近几年观测的长时间序列的海流数据和沿岸海洋站上风和气压资料,分析了引起黄东海陆架低频流变化的原因。
- The model results show that around the Jiaozhou Bay there are many residual current eddies differing in size, magnitude and rotation direction. 湾内COD浓度东部比西部高,湾口外的COD浓度等值线成舌状分布,向东伸展;
- The operating principle and the use of residual current protective device is introduced,and its selection, installation and limi tation are commented. 介绍了剩余电流动作保护器的工作原理及其用途，叙述了剩余电流动作保护器的选型、安装及其局限性。
- The notices of designing were given in order to supply references to the residual current fire alarming system designers. 介绍了剩余电流火灾报警系统的相关规范及适用范围,阐述了剩余电流引起火灾的原因。
- The characters of the tide, tidal current, residual current , the vertical turbulent coefficients in the Beibu Bay are analized with the simulated results. 并由此对北部湾的潮汐、潮流和潮余流以及垂直湍流粘滞系数的分布特征进行了分析。
- The wind variation, wavelike meander of Kuroshio and Taiwan Warm Current and instantaneous eddy, atmospheric pressure vibration are mainly factors for the low frequency current variation. 初步得出:风的变化、强流弯曲和瞬时涡旋是低频流变化的机制,而在半封闭海区低频流的变化同海面气压振荡有关。
- From the analysis,it can be found that improper L and R will led to overlarge grounding residual current and voltage in the arc-suppression process,being not helpful. 由分析过程可以得出,电感值和电阻值的大小选择不合适,将会在灭弧过程中产生过大的接地残流或后期过高的过电压水平,不利于电弧的快速熄灭。
- This residual current circuit breaker can solve problems of protection of people electric shock, and has the function of electric fire automatic protection. 该漏电断路器既能解决人身电击保护的问题,又有自动防止电气火灾的功能,推广应用前景广阔。
- Abstract: The operating principle and the use of residual current protective device is introduced,and its selection, installation and limi tation are commented. 文摘:介绍了剩余电流动作保护器的工作原理及其用途，叙述了剩余电流动作保护器的选型、安装及其局限性。
