可靠性综合评价对研究光纤保护通道有着重要作用。
Study of seismic reliability estimation on urban water supply network;
摘要：本文作者介绍了光纤保护原理，对高压输电线路保护探讨进行了探讨，供同行参考。
Abstract: the author describes the principles of optical fiber protection, protection of high voltage transmission lines, for reference.
通过一起保护动作的分析，对于允许式光纤保护的联动条件、允许信号的产生过程进行了细致的分析。
With the investigation and analysis of a fault, this paper explains the operation of optical fiber permissive relaying protection and the course of sending permissive signal.
在软件方面，通常采用的方式是建立一种网元管理系统EMS，将光纤保护设备看成是网络中的网元进行统一管理。
On the side of software, designing an element Management System (EMS for short) to administer optical protection devices regarded as network element is customarily adopted.
多斯螺旋管（杭州）有限公司主要生产光纤保护管和普通电缆保护管，以及标准淋浴软管和用于医疗设备的金属软管。
DOSFLEX is producing flexible metal tubes for protecting fiber optic cables as well as electrical cables. We also produce standard shower hoses and flexible hoses used in medical equipment.
一个才设立没有老的通话业务需要保护名叫Yota的公司已建成了一个从无到有的4G网络，埋藏了3000公里(1,864英里)的光纤电缆以连接无线基站。
Yota, a start-up with no old voice business to protect, has built a 4g network from scratch, burying 3,000km (1,864 miles) of fibre-optic cables to connect its wireless base stations.
一个才设立没有老的通话业务需要保护名叫Yota的公司已建成了一个从无到有的4G网络，埋藏了3000公里(1,864英里)的光纤电缆以连接无线基站。
Yota, a start-up with no old voice business to protect, has built a 4g network from scratch, burying 3, 000km (1, 864 miles) of fibre-optic cables to connect its wireless base stations.
在这些申请的情况下，光纤电缆应规定保护管，不要频繁移动。
In case of such applications, the optical fibre cable should be laid in protective tubes and not be frequently moved.
对埋入混凝土的传感光纤而言，刚性保护构件的存在会对光纤周围的微观力学场产生扰动，从而影响光纤传感精度。
For sensing fiber embedded in concrete, the rigid protecting structure will disturb micro-mechanic filed around fiber, thus affect its measuring accuracy.
以苏州电力光纤通信网西外环为对象，研究了各种通道故障下复用段保护切换、恢复过程中通道时延的变化情况。
Taking the Suzhou power fiber optic communication grid as the object of research, this paper studies the transmission delay during protection and recovery in various channel failures.
该光纤微弯压力传感器能够组成分布式光纤测试系统，具有机械调零、过载保护功能。
This sensor can form a distributed fiber optic measuring system and it has the function of zero adjustment and overload protection.
使用吸氢填充膏可以防止氢气导致光纤传输损耗增加，对光缆起到长期保护作用。
The hydrogen absorbing filling compound can be used to reduce the fiber attenuation caused by hydrogen and protect the optical fiber cable.
有源型高压光纤电流互感器是电力系统计量、保护的重要设备。
An active optical fiber current transducer is an important device used in power system for measurement and protection.
光纤电流差动保护是高压线路主保护的发展趋势。
The main development trend of high voltage transmission line's protection is the line fiber optical differential protection.
目前，该方法已成功应用于WXH- 803数字式光纤电流差动保护装置。
At present, the proposed method has been successfully applied in WXH-803 digital optical fiber current differential protective device.
介绍一种适用于高压线路光纤纵差保护的通信方案。
This paper presents a fiber communication scheme applied to the current differential protection of the high voltage transmission line.
光纤电流差动保护是高压超高压线路主保护的发展趋势。
Fiber optical current differential protection is the main protections development trend of high and ultra high voltage transmission lines.
广泛应用在光纤、电缆、电脑电源线、HDMI线、音视频线及汽车、空调、冰箱等线束的保护及美化上。
Widely used in optical fiber, cable, computer power cord, HDMI cable, audio and video lines and cars, air conditioners, refrigerators and other wiring harness on the protection and beautification.
这样严密多层的结构是为了保护光纤、防止断裂以及防止海水的侵入。
Such tight multilayer structure is to protect the fiber to prevent fracture and to prevent the intrusion of sea water.
通过对实验结果的分析，表明这种方法不仅可以获得厚度理想的金属保护层，同时可以提高光纤光栅的温度灵敏度。
The analysis of the experimental results shows that the desirable thickness of metallic protective layer can be obtained by this method, and the temperature sensitivity is improved too.
该光纤微弯压力传感器能够组成分布式光纤测试系统，具有机械调零、过载保护功能。
This sensor can form a distributed fiber optic measuring system and it has the function of mechanical zero adjustment and overload protection.
对于光纤系统，其关键是解决光纤的保护和仪器系列化问题。
Problems concerning the optical fiber system, optical fiber protection, and instrumentation seriation must be resolved.
对三维编织工艺进行了研究，提出光纤传感器编入编织复合材料的两种方法以及光纤的保护措施。
Based on study of 3d braiding process, two methods for optical fiber braiding and protecting are presented.
提出一种在布拉格光线光栅（FBG）表面电镀金属的方法，以达到保护光纤光栅的目的。
A process for plating metal on fiber Bragg grating(FBG)to protect the fiber grating is put forward.
试验比较了几种涂料对光纤的保护作用。
Several kinds of coating materials were studied on their protective effects on the fibres.
在区内故障时可靠动作，快速切除故障。目前，该方法已成功应用于基于32位DSP的数字式光纤电流差动保护装置。
It ensures both sensitivity for internal faults and reliability for external faults, which is successfully applied in digital fiber current differential protection with 32 - bit DSP.
这两种纤维都具有塑料覆盖，在缓冲条剥落期间保护光纤，防止断裂，同时提高纤维强度和减少在潮湿环境中的静态疲劳。
Both fibers feature plastic cladding to protect the fiber during buffer stripping and prevent breakage, while increasing fiber strength and reducing static fatigue in humid environments.
光纤电压传感器可以用于电网电压的监测和保护。
Optical Fiber voltage Sensor can be applied to monitor and measure the voltage of the power network.
比较单频率与双频率载波通道的纵联距离保护和环状与链状连接光纤通道的差动保护方案。
It compares the pilot distance protection with power line carrier (PLC) in the single or double frequency and the differential protection with optical fiber in the loop or chain connection.
本文对光纤差动保护的关键技术——光纤传输的延时和同步技术进行了阐述。
Delay time and synchronous technology which are the key technology of optical differential protection are introduced.
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