超压试验,ultra-high pressure test
1)ultra-high pressure test超压试验
1.This paper discusses the difference and misconceiving from the aspects of inspection causes,inspection methods,stress inspection parts during the periodic inspection of boiler pressure vessel,and the attention matters inultra-high pressure test,and presents the suggestions about the periodic inspection of pressure vessel.对火电厂压力容器定期检验中涉及的检验依据,全面检验的方法及应重点检查的部位,超压试验应注意的问题等进行探讨,并给出压力容器定期检验的具体建议。
英文短句/例句
1.Stress Analysis and Pressure Confirmation of Super Hydrostatic Test of Integrated Multi-layer Clamping High Pressure Vessel整体多层夹紧式高压容器超压试验的应力分析及压力确定
2.Investigation on Surcharge Preloading for Improved Soft Soil Ground under Expressway;超载预压加固软土路基现场试验研究
3.The Technique of Ultra-low Frequency Voltage Tests0.1Hz超低频交流耐压试验方法
4.Study on bearing capacity test of internal water pressure of super-caliber PCCP超大口径PCCP管内水压承载能力试验
5.Icing Test Techniques of EHV and UHV Transmission and Transformation Equipment超特高压输变电设备的覆冰试验技术
6.Experiment Study on Build-up Welding Shaft Journal of Intermediate Pressure Rotor in Ultra-Supercritical Steam Turbine;超超临界汽轮机中压转子轴径堆焊试验研究
7.Calculation and Experimental Analysis of Pressure Loss in Ultra-long Hydraulic Pipeline超长液压管道压力损失的计算与试验分析
8.Study of Super Hydrostatic Test of Integrated Multi-layer Clamping High Pressure Vessel整体多层夹紧式高压容器超水压试验研究
9.Introducing of Field Inducted Voltage Test and Partial Discharge Test for a Greater Capacity Transformer超大容量变压器现场长时感应电压试验带局部放电测量试验介绍
10.Simulation of the Voltage Distribution in EHV Transformer Windings during Switching Impulse Withstand Test超高压变压器在操作波耐压试验下线圈电压分布的仿究真研
11.Experimental investigation on pressure distribution characteristics of wings of ×× missile at supersonic speeds and high angles of attack××导弹翼面超声速大迎角压力分布特性试验研究
12.Experimental Studies of Combustion on New 670t/h Ultra-high Pressure Coal-water Slurry Boiler;新建670t/h超高压水煤浆锅炉的燃烧试验研究
13.Experiment and Simulation Investigation of Scramjet Nozzle;超燃冲压发动机尾喷管仿真和试验研究
14.Experiment and Numerical Simulation Investigation of Dual-Mode Scramjet;双模态超燃冲压发动机试验与数值仿真研究
15.Researches of RCC Super Retarding Compound Additive;碾压混凝土坝超缓凝复合外加剂的试验研究
16.Value of using B-mode instrument detecting head pressing and releasing experiment on diagnosing circulor of umbilical cord;B超探头压放试验诊断脐带绕颈的价值
17.Experiment on Working Seam Advanced Pressure Releasing and Gas Drainage in Shigang Mine石港煤矿本煤层超前卸压瓦斯抽采试验
18.STUDY ON NEGATIVE FRICTION MECHANISM OF SUPER-LONG POST-GROUTING PILE TEST后压浆超长桩试验桩侧负摩阻力机理分析
相关短句/例句
very low frequency voltage test超低频耐压试验
3)excess pore water pressure dissipating test超孔压消散试验
4)excess pore pressure dissipation test超孔隙水压力消散试验
5)Scramjet test超燃冲压发动机试验
6)over-speed test超速试验
1.After analyzing the cause of tripping speed retaining unchangeable when adjusting fly ball duringover-speed test, it is believed that this tripping speed is not fly ball actuated, it is another cause of the fault of speed governor, which makes opening of additional oil port in advance.对超速试验时紧调危急保安器飞锤动作转速不变化的原因进行了分析 ,认为该动作转速非飞锤动作转速而是调速器故障造成附加油口提前打开所致 ,通过更换调速器解决了问题 ,保证了机组的安全运行。
延伸阅读
操作冲击感应耐压试验操作冲击感应耐压试验inductive withstanding test with switching impulseCOOzuoch。门gJ}90自yingnolyoshjyo门操作冲击感应耐压试验(induetivo with-standing test with switehing impulse)在电力变压器低压绕组施加操作冲击电压，通过电磁感应使变压器高压绕组的绝缘经受过电压考验的试验。试验所施加的电压波形是模拟电力系统内部由于开关操作或发生故障产生的一种波形，称为操作冲击电压波。根据中国电力行业标准的规定，操作冲击感应耐压试验可应用在变电所现场，对电力变压器进行绝缘考验。由于这种耐压方式省去了大容量的供电变压器，试验装备上可比采用三倍频试验装置施加正弦波电压更为方便。在电力变压器制造厂，对额定电压为3 30 kV及以上电压等级的电力变压器应该进行操作冲击耐压试验。此时，也可采用感应耐压方式。试验电压波形对变压器类设备(包括互感器以及电抗器)内绝缘所使用的标准操作冲击电压波形如图1所示。Um为电压峰值，Tl为视在波前时间，TZ为 礁电)。9之J’盯0.3到南┌─┬───┐│尹│泣互军│└─┼───┤│T2│└───┘图1内绝缘试验用的标准操作冲击电压波形由视在原点起算到第一次过零时间，T3为90%峰值电压持续时间。规定T3不小于200娜;孔不小于500件s;IEC76一3文件规定Tl不小于20娜，通常不大于250拜S;中国国家标准规定Tl为20一25。尸匀中国电力行亚标准规定Tl不小于20拜S。上述波形与外绝缘耐压和放电所采用的波形有所区别。试验电压波的极性规定为负极性。试验电压峰值u~由有关标准规定。施加的操作冲击电压的次数为三次。原理接线该试验的原理接线见图2。由直流充电的电容C，，经一对铜球间隙FA放电，向变压器T低压侧施加一操作波。变压器高压侧因电磁感应，按变比升高电压产生试验用的操作波形。调节电图2试验的原理接线阻R:、R:及电容CZ可调节变压器低压侧操作波至合适形状，其高压侧除初始阶段外，波形基本上与低压侧相同。过零时间TZ除与C:电容量有关外，很大程度上取决于变压器非线性的励磁电抗大小，因此与铁芯的饱和程度、剩磁的大小及极性相关。
