调压设施,pressure regulation device
1)pressure regulation device调压设施
1.Aimed at the problem of not installing safety device for building regulator box in some residential areas in Huzhou City,the solution scheme of on-line replacement ofpressure regulation device and reconstruction of pressure regulation mode are put forward.针对湖州市一些小区楼栋调压箱未设置安全保护装置问题,提出不停气进行调压设施更换、调压方式改造的解决方案,介绍了不停气作业的操作程序。
英文短句/例句
1.Discussion on On-line Reconstruction of Pressure Regulation Device in Residential Area不停气进行小区调压设施改造的探讨
2.Dynamic Simulation and Analysis of Press Regulation System in Modern Water and Hydroelectric Engineering;现代水利水电工程中调压设施系统的动态模拟及分析
3.Safety Measures for Pressure-Reducing Regulators减压调整器的安全措施
4.Design Optimization of Surge Shaft of Baoxing Hydropower Station and Study of Main Construction Technology;宝兴水电站调压井设计优化与主要施工技术研究
5.The Design Based on Schneider Frequency Control Technology in the Tower of Water Supply System;基于施耐德变频器调速技术在高楼恒压供水系统的设计与实现
6.Proficient in high voltage maintenance, know well of facility system： air compressor system, electrical transformer station, air condition, water treatment, fire protection etc.高压维修经验，了解公用设施系统如：空压机，变电站，中央空调，水处理，消防等。
7.Design of Overall Construction of Hydraulic Lift and Hydraulic System液压施工升降机总体及液压系统设计
8.and product-blending facilities.以及产品调合设施。
9.Implementation of Pressure Ulcer Prevalence Survey for Continuously Maintaining Effective Control of Pressure Ulcer实施压疮患病率调查 持续改进压疮管理
10.Investigation and analyses of cognition and teaching of hyperbaric oxygen medicine to the elective course of hyperbaric oxygen-iatrology on 200 under graduate student of military medical university200名军医大学本科生对开设《高压氧医学》选修课程认知和教学实施的调查分析
11.The Design of The Digital Adjustable Direct Current High-voltage Power数字可调式高压直流稳压电源的设计
12.Design of 220kV On-Load-Tap-Changing High Impedance Transformer with Three Windings220kV三绕组有载调压高阻抗变压器设计
13.Design of a One-Chip Ultra Low-Dropout CMOS Voltage Regulator超低压差单片CMOS电压调整器的设计
14.Code for construction and acceptance of high pressure chemical equipment高压化工设备施工及验收规范
15.Code for construction and acceptance of low and medium pressure chemical equipment中低压化工设备施工及验收规范
16.Specification for designing and construction of masonry constructed of autoclaved sand-lime bricks蒸压灰砂砖砌体结构设计与施工规程
17.Hunan province rules for design and construction of autoclaving sand lime brick masonry蒸压灰砂砖砌体设计与施工规程
18.Specification for design and construction of hydraulic and removable formwork project液压滑升模板工程设计与施工规程
相关短句/例句
user"s regulating facility用户调压设施
3)tension adjustment infrastructure调索设施
4)Infrastructure Coordination设施协调
1.Study onInfrastructure Coordination of Urban Rail Transfer Stations;城市轨道交通换乘站设施协调研究
5)Regulated and control equipment调控设施
6)detention and retention facilities调蓄设施
1.The concept of detention and retention,facility types and application are introduced,and the design principle and criterion ofdetention and retention facilities with different control objectives are expounded to provide a reference for the rational design ofdetention and retention facilities according to different control objects in urban stormwater management."调蓄"是城市雨洪控制利用系统中十分重要且广泛应用的一类措施,实践中需要根据项目的具体条件和雨洪控制利用系统的设计要求,针对控制径流污染、利用雨水、削减径流排放和控制洪涝等不同目标设计调蓄设施。
延伸阅读
直流电动机调压调速直流电动机调压调速speed control of DC motor by changing the armature voltagezh一1 lud旧ndongJ一tlooyo tloosu宜流电动机调压调速(speed。ontrol ofDCmotor by ehanging the armature voltage)通过改变直流电动机电枢电压实现直流电动机调速的技术。各种直流电动机都可以通过改变电枢电压来调速(见1流电动机调速)。他励直流电动机调压调速时的机械特性如图1所示.图1中n为电枢电压为额定值UN时的转速，当负载一定时，随，电枢电压的降低(UN>U，>U:>U。)，直流电动机转速也降低(n>n:>，2>，3)。直流电动机调压调速具有负载变化时速度稳定性好、响应快、调速范围宽等优点，当电源电压连续可调时，能实现无级调速。这种方法是调速性能较好的一种直流电动机调速方法。直流电动机调图1他励直流电动机调压调速时的机械特性压调速可采用以下方法:直流电动机电枢串并联调速、电枢串联升压发电机调速、汞弧整流器直流调速、电动发电机组直流调速、电机扩大机直流调速、磁放大器直流调速、晶问管相位控制直流调速和斩波控制直流调速。直流电动机电枢串并联调速某机械由N台等转速的直流电动机拖动，这些直流电动机的规格相同，它们的轴与轴之间又有足够牢固的机械联系，则可将这些直流电动机的电枢加以串联，并串人起动电阻，再接到恒定直流电源电压U上。起动时逐步减少起动电阻阻值，直到完全切除。这样，每台电动机受到的电压为U/N。改变串联的电机数，使之相应转人并联支路，即可实现有级调速。此法特点为线路简单、节能，多用于电力机车调速。直流电动机电枢串联升压发电机调速将直流电动机电枢与直流发电机电枢串联，再接到共用直流电源(见图2)，则电动机电枢的电压等于共用电源电压加(或减)被串接的直流发电机端电压。调节共用电源电压或串联的直流发电机(又称、幢户哩一鱿共用直流电源图2直流电动机电枢串联升压发电机调速典型线路升压发电机)的电压都可调节电动机的电枢电压，实现各电动机的单独调速。升压发电机的额定电压通常比被其控制的拖动电动机小，但额定电流值相近，升压发电机的控制功率也较小，且反应快。在反应更快、换能效率更高且无旋转部分的半导体变流装置问世以前.此调速法多被用于对转速拉制有高动态要求的机械，如分部传动长网造纸机、连续加工机械等。汞弧整流器直流调速用汞弧整流器将交流电整流成直流电，供电给直流电动机，通过相位控制调节直流整流电压，实现直流电动机调速的技术.本调速法具有节约用铜、节省安装羞础的投资等优点，但存在水银污染环境、深调速区段功率因数低等问题。汞弧整流器直流调速的工业应用盛行于20世纪40~50年代，随粉晶用甘相位技制立流调速的发展，因其具有可靠性高、维护更方便、不污染使用环境、功率放大倍数和能t效率均更高等优点，而取代了汞弧整流器直流调速。
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