This paper mainly discusses the control and protection system for the 20kw VSCF (Variable Speed Constant Frequency) Wave Power Electric Station.
本文着重介绍了20千瓦变速恒频波力发电系统的控制功能和保护体系。
The control and protection switching electric appliance (CPS) is a sort of New-style multifunction and integration component design to low-voltage distribution and control system.
控制与保护开关电器(CPS)是一种新型的用于低压配电与控制系统的多功能、一体化基础元件。
Thus our country had built up the complete system that continues electric protection research, design, manufacturing, operating and teaching in the 60's.
因而在60年代中我国已建成了继电保护研究、设计、制造、运行和教学的完整体系。
A discussion on the reliablilty of static relays is made in this thesis , because some new problems have arisen after static relays are applied on the relay protection of electric system .
讨论了静态型继电器应用于电力系统继电保护后，在可靠性方面出现的一些新问题，分析了产生这些问题的原因，并提出了继电器选型、产品失效预测方面的建议。
This paper discusses short - circuit protection of low - pressure electric wire in the design of residence electricity, over current protecting and the choice of breaker in the system.
本文论述了住宅电气设计中低压配电线路的短路保护、过负载保护及系统中上下级断路器的选择。
The necessity of tank cathodic protection is detailed and impact of tar sand and electric insulation on cathodic protection system is highlighted.
阐述了储罐阴极保护的必要性，并重点探讨了沥青砂层及电绝缘对阴极保护系统影响的问题。
When the variation of bus-bar voltage and frequency occurs, the reliability of electric motors, transformers, control and protection system is analyzed in this thesis.
当电网电压和频率的变化时，分析了电动机、变压器、控制及保护系统、照明系统、通信导航设备等受电器工作的可靠性。
In the system of relay protection of electric power, abnormal state information given by relay protection devices has two types: accident information message and warning information message.
在电力继电保护系统中，继电保护设备给出的异常状态信息报文通常可分为两类：事故信息报文和预告信息报文。
In power system, it can excite partial parallel resonance or serial resonance, enlarge the harmonic wave, trigger relay protection system in error and disturb electric power energy metering equipment.
在电力系统，它可以刺激局部并联谐振或串联谐振，放大谐波，引发继电保护系统误差和扰乱电力能源计量设备。
The safe protection system of the lift is generally made up of mechanical security protector and electric security protector.
电梯安全保护系统一般由机械安全保护装置和电气安全保护装置两大部分组成。
After PLC control technology is applied, the revering program disturbance protection is realized, enabling electric control system for gas reversing machine more safe and reliable.
应用PLC控制技术后，实现了交换程序紊乱保护，使煤气交换机电控系统更加安全可靠。
Vulnerability repair of electric power production and control area secondary system is a necessary and important part of security protection work.
电力生产控制区二次系统漏洞修补属于安全防护工作中必不可少的重要组成部分。
Curren protection and voltage protection in transmission line as one method and principle of electric power system, they are very important protection.
输电线路电流保护和电压保护分别作为电力系统保护原理和手段之一，是十分重要的保护类型。
The practice has shown the new hardware platform is stable and reliable, and meets the demand of digital protection for electric power system.
实践表明，所设计的硬件平台性能稳定、工作可靠，满足电力系统数字式保护的实际需求。
The reliability of busbar protection has influenced the safe and stable operation of electric power system.
母线保护装置的可靠性关系到电力系统的安全、稳定运行。
The voltage changer is also very important in the supply electric system, mastered the protection and calculation.
变压器在供电系统中也是重要的设备，掌握了对它的保护和整定计算方法。
The sympathetic inrush may occur in the system transformer when no-load electric locomotive or traction transformer is switched, so the protection may be affected.
通过分析发现电力机车空载启动和牵引变空载合闸都会在系统变压器中造成和应涌流。
The Metal ZnO Arrester (MOA) are important over-voltage protection device. They are widely used in electric power system due to their excellent nonlinear and high surge absorbing capability.
氧化锌避雷器(MOA)是一种重要的过电压保护电器，由于它具有优越的非线性与保护性能而在电力系统中得到了广泛的应用。
Conventional protection relays based on their locally measured inputs generally take actions to protect an electric component without considering the impact on the whole system.
传统保护是基于本地信息的元件保护，在保证元件安全的同时可能会牺牲系统的稳定性。
It introduces automatic control, secure protection, control principle, how to realize in electric power driving system and the function of secure protection.
本文介绍了电力拖动系统的自动控制和安全保护，电力拖动系统的控制原理及实现方法，安全保护的作用。
The endangerment of electric leakage trouble in cathode protection system is explained in detail by using the basic calculation formula in this paper.
本文用阴极保护基本计算公式，较详细地说明了阴极保护系统中漏电故障的危害。
The agriculture network cannot satisfy the needs and requirements of the electric power business management system, which requires many means of communication means and channel protection.
该电力农网已经不能满足电力营销管理信息系统具有多种通信方式和通道保护的网络要求。
The main methods used to reduce ELFE include electromagnetic field protection technology, driven shaft earthing system, drive shaft earthing system and electric field counteracting system.
电磁场防护结构工艺、被动轴接地系统、主动轴接地系统和电场抵消系统是目前降低舰船极低频电场的主要方法。
The earth fault protection and protective electric devices of TT and TN system and the application conditions were analyzed.
分析了TT和TN系统的接地故障保护和保护电器及其应用条件。
FIS is the colligate manage and control system of fire protection, the electric map system is its important part, and one of the main function.
消防信息系统(FIS)是消防综合管理和控制系统，其中电子地图子系统是消防信息系统的重要组成部分，也是其主要功能之一。
Automatic positioning of electric machine stop, double protection of cement output system.
电机停车自动定位，出胶系统双重保护。
The system of applied electric current cathodic protection for concrete reinforcing bar painted conductive coating in simulated ocean environment was introduced.
介绍了模拟海洋环境的混凝土钢筋导电油漆型外加电流阴极保护系统。
Electric system: Adopt PLC controller which is special used to the construction machinery. It can realize gear control, overload protection for engine, state supervision and trouble indication.
电气系统：采用工程机械专用的PLC控制器，可实现档位控制、发动机过载保护、状态监控与故障提示。
Electric system: Adopt PLC controller which is special used to the construction machinery. It can realize gear control, overload protection for engine, state supervision and trouble indication.
电气系统：采用工程机械专用的PLC控制器，可实现档位控制、发动机过载保护、状态监控与故障提示。
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