Statistical analysis of reliability data for power system units is valuable for electric industry.
电力系统元件可靠性数据的统计分析对电力工业有重要意义。
This paper uses the world wide accepted method to collect and analyze the present available data. Average indices of power system units in China during 1995-1999 were provided.
本文按国际通常采用的方法对现有的数据进行了收集、整理和统计分析,给出了我国电力系统元件1995~ 1999五年的平均可靠性指标。
For example, purchasing a system with 24 CPU units of processing power and only 2gb of memory makes little sense in a cloud environment.
例如,购买具有24个CPU单元处理能力、但是仅2gb内存的系统在云环境中是毫无意义的。
Design work has also built a system is very particular about the power divider, it has a lower frequency than traditional units in terms of series inductance values.
系统还内置一个设计做工都非常讲究的功率分频器,它有着相对传统而言更低的低频单元串联电感值。
This paper briefly introduces and analyzes the control mode and function of bypass control system for combined cycle units in Huizhou LNG Power Plant.
对惠州液化天然气(LNG)电厂联合循环机组旁路控制系统的调节方式、控制方式及其作用进行了简单的介绍和分析。
The layout, configuration and relative function of the stability monitoring and tracking-analyzing system for pump-turbine units in Guangzhou Pumped-storage Power Station are introduced in this paper.
介绍了广州蓄能水电厂水泵水轮机组稳定性状态监测及跟踪分析系统的布置、结构组成以及相关的功能。
The synchronized phasor measurement units (PMU) is significant to the wide-area protection and stability control in modern power system.
在现代电力系统广域保护和稳定控制系统中,同步相量测量单元(PMU)起着重要作用。
Automatic power distribution: When two units at work, system can automatically mixed FM, ensure the two units of the active power distribution error less than 10%.
自动功率分配:当两台机组同时工作时,系统可自动调频调载,保证两台机组的有功功率分配误差不大于10%。
A technical and economical comparison was carried out for selection of turbine start-up mode and arrangement of its bypass system of 1 000 MW extra supercritical units in Zouxian Power Plant.
为选择邹县电厂1 000MW超超临界机组汽轮机的启动方式和旁路系统的配置方式,进行了技术分析和经济比较。
Today with the increasing of the boiler controlment level, the FSSS system has been installed in most units to enhance the safety running, and become a basic requirement in the national power design.
目前随着机组控制技术的不断提高,锅炉安全运行重要性的日益增强,机组普遍安装有锅炉膛监控系统FSSS,并作为一个基本要求列入国家电力设计规定。
The multiunit inverter is composed of several same power units, which makes the modularized design and manufacture easy and the system reliable.
多重化结构逆变器是一种新型结构的逆变器,该逆变器各功率单元构造相同,便于模块化设计和制造,系统可靠性高。
Under the condition of total or partial power net breakdown, system recovery can be realized by black-start scheme, in which units with self-start ability are used to bring others to start up.
电网全部或部分因故障停运后,采用黑启动方案,通过系统中具有自启动能力的机组带动无自启动能力的机组,可实现整个电网的恢复。
Introdued in this paper is an on - line microcomputer - based monitoring and operation guiding system for middle and small sized power generating units.
中小型火电机组在线监测与指导系统集在线检测、运行报警、运行指导、事故追忆、事故分析于一体。
Taking the full network observability of power system operation state and least number of phasor measurement units (PMU) as objective function, an improved optimal PMU placement algorithm is proposed.
以电力系统状态完全可观测和相量测量装置(PMU)配置数目最小为目标,提出了一种改进的PMU最优配置方法。
All measuring units such as power, pressure gauge, thermometer, volume gauge, tanks scales etc., to be in accordance with metric system.
所有测量单位例如功率、压力计、温度计、体积测量、舱容测量等均采用公制。
The hardware is the foundation and core to the monitoring system, mainly by the field power monitoring units, the field insulation monitoring units and the PC units.
硬件是监测系统的基础和核心,主要是由现场电量监测单元、现场绝缘监测单元和上位机单元组成。
The hardware of remote control system for defensive military battlefield consists of Command and control unit, central unit, DC power supply and peripheral units.
防御性军事战地远程控制系统硬件由指控单元、中央单元、直流电源和外设单元组成。
The restoration of power system is accompanied by that of the large-scale of generating units.
电力系统恢复过程是围绕着大型机组的恢复运行来进行的。
Waste of electric and malfunction were caused by the shortage existing in design of the technology parameters of polarization power supply units of rectification sets and control system.
介绍了整流机组极化电源装置的控制系统及技术参数原设计中存在的不足之处造成的电能浪费及运行故障。
Through theoretical analysis and derivation, a formula for calculating active power economic distribution among any number of hydro and thermal power units was obtained under ignoring system losses.
通过理论分析和推导,得出一组在不计网损下,任意多个水、火电厂之间有功功率经济分配的计算公式。
For larger units, as the total auxiliary power becomes larger and the individual drive motors become larger, the coordinated application of system components requires more system design effort.
对于较大机组,由于厂用电更多,单台驱动电动机也更大,厂用电系统各组成部件应用时的协调配合需更多的系统设计工作。
Connection method between rectification control system in high power units and DCS were introduced. The advantages and disadvantages were also analysed.
介绍了氯碱装置中大功率整流控制系统与工艺dcs的连接方式,并对其优劣进行了分析比较。
The subsistent main problems in the double material electricity and hydraulic coexisting DEH system of Zhanjiang power plant 300MW Units are described.
主要介绍了双工质电液并存DEH系统在湛江发电厂300MW机组运行中存在的主要问题。
The graphical modeling software can be used for model establishment for compressible or non-compressible fluid network in simulation system of thermal power-generation units.
图形建模软件可用于火力发电机组仿真系统中可压缩及不可压缩流体网络的建模。
PID regulator is the most primary control strategy in heat power engineering system and it directly influences the safe and economical operation of units.
火力发电厂中的热工系统是一个复杂的系统,PID调节器是热工系统最主要的控制策略,直接影响机组的安全、经济运行。
In operation process of the power plant, when the trip trouble happened in its main auxiliary units, its automatic control system can lower the load quickly and safely.
在电厂机组运行中,其主要辅机故障脱扣,自动控制系统能快速、安全降负荷并稳定机组运行。
Therefor according to characteristics of operation units in Heilongiiang power system, a reasonable and effective repair programme is made by levelling risk method to improve power supply reliability.
为此,必须针对我省设备运行特点,用等风险度法编制合理有效的检修计划,以提高我省的供电可靠性。
The existing problem in steam air heater & drainage system for No. 8 and No. 9 units in Shaoguan Power Plant and countermeasures are introduced.
分析了韶关发电厂暖风疏水系统存在的问题,并提出改进措施。
The existing problem in steam air heater & drainage system for No. 8 and No. 9 units in Shaoguan Power Plant and countermeasures are introduced.
分析了韶关发电厂暖风疏水系统存在的问题,并提出改进措施。
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