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1)  safety voltage
安全电压
2)  safe voltage
安全电压
1.
In this paper, the authors give us definitions about safe voltage, ground-connecting current, touch voltage and step voltage in details and also make a conclusion that it is the necessity of ground-connecting protection to electrical equipment.
本文详细分析了人体的安全电压、接地电流和对地电压、接触电压和跨步电压, 论述了电气设备的接地保护必要性。
2.
The auto-reset power designed by this scheme can ensure the initial output voltage to remain 5V,which is in the safe voltage range.
利用此方案的开机自复位电源能够让开机初始输出电压始终保持在5V的安全电压范围内,同时也可提供5 ̄15V的工作电压,以确保实验的顺利开展,有效预防电子类实验系统的电源安全性问题。
3)  voltage security
电压安全
1.
Power system is now more and more vulnerable to voltage security problems, which are usually classified into two categories: transient and static voltage security, with the latter including static voltage stability and static voltage deviation.
电压安全问题严重威胁电力系统的安全运行。
2.
In the light of static voltage security in electricity market environment, an approach to calculate the risk of low voltage in power system is proposed.
针对电力市场环境下的静态电压安全问题,建立了一种电力系统低电压风险评估方法。
3.
One is static security assessment (SSA), the other is dynamic security assessment (DSA), and voltage security assessment (VSA) was included in SSA and DSA.
一直以来电力系统的安全性评估包括静态安全评估和动态安全评估,电压安全评估包含于这两大评估之内。
4)  voltage security region
电压安全域
1.
Based on the sensitivities of the voltage stability index to node injections, a heuristic method for estimating the shortest radius of power system voltage security region in node injection space is proposed.
基于电压稳定量化指标对节点注入的灵敏度提出了一种估计注入空间中电压安全域最短半径的启发式方法,该方法以一定的步长逐步逼近注入空间中电压安全域的最近边界,可以考虑各种系统运行参数的约束,不存在数值收敛性问题。
5)  Voltage security
电压安全性
1.
A new algorithm of voltage security constrained reactive power optimization based on Monte- Carlo simulation is proposed to im prove the voltage level of the power system .
该模型的优化结果对提高节点电压水平和整个系统的电压安全性效果显著 ,使系统在电压安全的基础上达到经济优化。
6)  dynamic voltage security
动态电压安全
1.
A particle swarm optimization (PSO) technique based novel approach for solving the dynamic voltage security constrained preventive control problem is proposed.
基于粒子群优化算法(PSO),提出一种求解含动态电压安全约束的预防控制新方法。
补充资料:安全电压
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性质:又称安全特低电压,指保持独立回路的,其带电导体之间或带电导体与接地体之间不超过某一安全限值的电压。中国国家标准规定工频电压有效值的限值为50V、直流电压的限值为120V。中国标准规定工频电压有效值的额定值有42V,36V,24V,12V和6V。特别危险环境中使用的手持电动工具应采用42V安全电压。有电击危险环境中使用的手持照明灯和局部照明灯应采用36V或24V安全电压。金属容器内、特别潮湿处等特别危险环境中使用的手持照明灯应采用12V安全电压。水下作业等场所应采用6V安全电压。具有安全电压的设备即III类设备。

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