保护

Accident prevention;Anaesthesiology;Ball compression test;Classes of protection;Classification;Classification systems;Clearances;Colour codes;Design;Determinations;Dictionaries;Dimensions;Earth conductors;Earthing;Electric appliances;Electric contact protection;Electric enclosures;Electric mains;Electric power systems;Electric shocks;Electrical accidents;Electrical appliances;Electrical engineering;Electrical equipment;Electrical medical equipment;Electrical protection equipment;Electrical safety;Electrically-operated devices;Electromagnetic compatibility;Electromedicine;Electrostatics;EMC;Enclosures;Environmental conditions;Equipment;Equipment safety;Explosion protection;Fire safety;General conditions;Graphic symbols;Hot-mandrel;Impact testers;Inspection;Instructions for use;Insulating enclosures;Insulations;Leakage paths;Letterings;Lists;Marking;Measurement;Mechanical safety;Medical equipment;Medical radiology;Medical sciences;Medical technology;Occupational safety;Operational instructions;Programmable;Protection against electric shocks;Protection coverings;Qualification tests;Radiation protection;Safety;Safety devices;Safety engineering;Safety regulations;Safety requirements;Specification;Strength of materials;Surveys;Symbols;Temperature;Test atmospheres;Test equipment;Testing;Testing conditions;Testing voltages;Transformers

中文主题词事故预防；麻醉学；球压试验；防护等级；分类；分类系统；间隙；色码；设计；测定；词典；尺寸；接地导线；接地；电器；电接触保护；电气外壳；电源；电力系统；电击；电气事故；电气设备；电气工程；医用电气设备；电气保护设备；电气安全；电驱动装置；电磁兼容性；电医学；静电学；EMC；外壳；环境条件；设备；设备安全；防爆；防火安全；一般条件；图形符号；热卷筒；冲击试验器；检验；使用说明书；绝缘外壳；绝缘件；漏电路径；文字书写；表；作标记；测量；机械安全；医疗设备；医学放射学；医学科学；医疗技术学；职业安全；操作说明书；可编程序的；防电击；保护覆盖层；合格试验；辐射防护；安全；安全装置；安全工程；安全规则；安全要求；规范；材料强度；调查；符号；温度；试验环境；试验设备；试验；试验条件；试验电压；变压器

Two kinds of transmission line model differential equation algorithms are applied,the applicability to the transmission lines with different parameters is analyzed.

在继电保护的计算机时代，人们可以根据具体应用情况在众多距离保护方案和算法中做出选择，以求实现包括保护的选择性、速动性、灵敏性、可靠性和经济性等整体性能的最优。

Aim to develop the EHV transmission line protective relay, the general simulation platform aim for protection developing was established.

针对超高压输电线路纵联保护的开发，建立了面向微机保护研发的通用仿真平台，并详细给出了该保护仿真平台的构成方法。

In this paper, the control panel and function of the WXH － 15 l ine protector are introduced. The mathematics model and activating condition are deduced from the principle of the line distance relay.

介绍了WXH-15型微机线路保护面板和功能，根据其距离保护的工作原理，导出了距离保护的数学模型及动作判据。

This paper introduces the test model and requirements of EHV line protection relay, and analyzes several study emphases of line protection device in detail. Scheme and method for these problems in developed new high voltage line protection DF3621 are presented.

本文介绍高压线路保护装置动模测试的模型及要求的同时，着重分析了当前高压线路保护装置研究的几个难点，并就此给出了我们在研制新一代高压线路保护产品DF3621中的处理策略和方法。

The controller is able to achieve the functions of speed regulation,overheating protection,low-voltage protection,over-current protection and soft start,and so on.

控制器可以实现速度调节、过热保护、欠压保护、过流保护和软启动等多种功能。

It is also a key component that the management of accumulator in P-V system. The plan of the management of accumulator is enacted in the paper, which joints the charge and discharge characteristic of the accumulator together with P-V system's uniqueness, it takes the measures of low-voltage protection、over-voltage protection and the temperature compensation at the point of over-voltage protection.

光伏系统中对蓄电池的管理也是一个关键部分，本文结合蓄电池的充、放电特性以及光伏系统的独特性，制定了蓄电池的管理方案，采取了欠压保护、过压保护以及过压保护点的温度补偿。

Multiple protection, short circuit, overload, high pressure, lack phase, overheating, and other low-voltage protection, as well as fans, pumps, fire dampers to protect the chain.

多重保护，短路、过载、高压、缺相、过热、低压等保护，以及风机、水泵、防火阀连锁保护。

Protection: DC input over/low-voltage, the anti-polarity protection, AC output over-power、short circuit protection, machines overheating protection.

直流输入过、欠压、极性反接保护，交流输出过功率、短路保护，机内过热保护。

Protection: DC input over/low-voltage, the anti-polarity protection, AC output over-power、short circuit protection, machines overheating protection.

直流输入过、欠压、极性接反保护，交流输出过功率、短路保护，机内过热保护。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。