A control unit of time-based diesel fuel injection system was developed, which can be used for 4,6,8 and 12 cylinder independent operation. 开发面向时间控制式柴油机喷油系统的控制单元,设计了单一ECU对4,6,8和12缸发动机的分缸独立控制算法。
The unit maintenance scheduling is a part of the digitalized management system in power supply system. The scientific, rational and practical maintenance schedules are helpful to improve the stability of the power system operation and improve the modernization level and profit efficiency of the enterprises. 供电检修计划是供电系统数字化管理系统的组成部分,科学、合理、实用的检修计划有利于提高电力系统运行的可靠性,能够提高企业的现代化管理水平和效益。
During parallel operation of circulating water pumps of air cooling generating unit, both vibration and noise of pipe system were rather high as a result of design layout problem, so as to threaten the safe operation of unit. 发电厂空冷机组由于设计布置问题,致使循环水泵并联运行时管路系统产生振动和噪声,威胁着机组安全运行。
The 7 000 TPY pseudocumene unit in PetroChina Fushun Petrochemical Company is a grassroot plant. A series of problems have arisen from heat supply system and equipments after it was started up in September, 2003, which affected the normal operation of the unit. 中国石油抚顺石油化工公司石化三厂7kt/a偏三甲苯装置为新建装置,自2003年9月开工以来,装置热源系统及设备在设计上存在问题,安全生产出现困难。
The unit has many advantages such as synchronization, on-line, real-time and high precision for measuring phasor and recording wave, it realizes the monitor and control of stable electric power system operation. 装置的相角测量、故障录波具有同步、在线、实时、精度高等优点,实现了对电力系统稳定运行的监视和控制。
A new improved dynamic programming algorithm is used to solve unit commitment of the system operation simulation, it can make the result of operation simulation more niceties. 提出了一种改进的动态规划算法用于解决系统运行模拟中的机组组合问题。
The major energy saving and water saving measures used in certain Power Plant 2 × 1000MW Ultra Super-critical Unit Design are demonstrated in this article from the perspectives of equipment, process system, operation mode, water consumption, land use and raw material. 从设备、工艺系统、运行方式、用水、用地和原材料等方面阐述了某电厂2×1000MW超超临界机组设计所采用的主要节水节能措施。
By introducing the structure and function of testing unit, this paper makes user understand the theory of the system further, and provides guidance to the operation and maintenance. 通过介绍测试装置的组成和功能,让使用者从理论上进一步了解该系统,以指导该装置操作和维护工作。
Generator-transformer unit is one of the most important equipment. It is very significant for safe and economic operation of power system to reliable operation. 发电机-变压器组是电力系统最重要的电力设备之一,它的可靠运行对电力系统的安全经济运行具有重大意义。
The requirements and control ranges about power plant unit start-up and shutdown process are analysed and design of sturcture of the automatic power plant start-up and shutdown system is given based on the operation regulation. 本文通过对国内某电厂的工程概况及生产工艺特性的总结分析,结合现场操作要求,分析机组启动和停运过程的控制需求与控制范围,给出了自启停控制系统的设计结构。
The regulating unit is the smallest unit of this control system. Basing of the actual operation in a substation, there forms a lot of different control units. Through the improvement of the nine-zones algorithm, this system control the strategy timely and accurately. 该控制系统以调控单元为最小控制单元,针对变电站实际运行情况形成不同的调控单元,通过改进的九区图算法,及时准确地给出调控策略进行控制。
Data acquisition unit is designed to accomplish the sensor collections and communications, the main control unit carries through the work of system operation control, running state monitor, parameter set and so on. 数据采集单元完成信号的采集和通信;主控单元进行系统运行控制、状态监控、参数设定等工作。
Nozzle is the final completing unit of ink jet and all the work in the system centre on the operation of the nozzle. Therefore the design of the nozzle is of great significance. 喷字最终的实现单元是喷嘴,系统里所有工作都是围绕喷嘴进行运行的,所以喷嘴的设计是重中之重。
This paper tries to government project unit, summarizes the research and exploration and practice experience of organizational system, and the standard approach, set up a government program unit operation of standardized management system. 本文力图通过对政府项目代建制的研究和探索,总结代建制的实践经验,提出代建制的规范途径,建立政府项目代建制运作的规范化管理体系。
Steam turbine generator unit is one of the core equipment in the power system, which is easy for malfunction and causes serious financial losses in the long-term continuous operation of high-speed. 汽轮发电机组是电力系统中的核心设备之一。在长期的连续高速运行中,易发生故障,造成严重的经济损失。
Unit commitment ( UC) is the foundation of the economic scheduling and security assess of power system. It can be the key problem of the optimal short-term operation. 机组组合优化问题是电力系统经济调度及安全校核的基础,对电网短期优化运行具有极其重要的作用。
In the rectification process, Rectifier unit generated a lot of harmonic currents, and these harmonic currents run into the power grid, and have an extremely adverse impact to the power system stable and safe operation of electrical equipment and power quality. 在整流过程中,产生了大量的谐波电流,这些谐波电流注入电网后,将对电力系统的稳定、电力设备的安全运转及电能质量产生极为不利影响。
The numerals and classifiers in the sentence include the related information of timer movement. According to the standard measurement unit of the system, it can do the related operation and get the added cases that we need. 句中的数量词短语包含了计时器动作的相关信息,依据系统的标准计量单位,作一些换算得到所需的补充格值。
Tunnel lighting is also the greatest energy consumption unit in tunnels. On the premise of security, how to optimize design for tunnel lighting system and reduce energy consumption to the most extent and save operation cost has important realistic significance. 隧道照明是隧道内能耗最高的用电设施,在确保行车安全的前提下,对隧道照明系统进行优化设计,最大程度的降低隧道照明的能耗,节约运营成本,具有重要的现实意义。