1) large high voltage transformer
大型高压变压器
1.
This article introduces hardware technical scheme of a general micro-processor based protective device for large high voltage transformers,and analyzes countermeasures applied for operation refusal and maloperation.
介绍了一种大型高压变压器通用微机保护装置的硬件技术方案,分析了装置防拒动和防误动的措施。
2) large transformer
大型变压器
1.
Development of microcomputer protection device for large transformer;
大型变压器微机保护装置研制
2.
It can be found that DGA is a valid method to detect latent defects in power transformers;PD test is efficient in inspecting insulation faults of large transformers,while ultrasonic PD location for large transformers is still in its tentative .
介绍了一例500kV大型变压器缺陷的分析、处理过程,它综合了常规电气试验、油中溶解气体色谱分析、局部放电试验、局部放电定位等多种检测手段。
3.
In this dissertation, a research is made not only on the 3D steady and transient eddy current fields in large transformers,but also on stray losses, the local overheating as well as the mechanical strength of structures after the occurrence of sudden short circuit, using electromagnetic theory and modern numerical methods.
为降低对计算机资源的需求、满足工程实用,研究和完善了三维瞬态涡流场的T—Ω有限元分域求解方法,研究了三维有限元网格剖分的快速逐层延拓法、矩阵存贮的快速寻址方法和大型代数方程组的快速解法,解决了大型变压器短路电磁力和局部过热等工程电磁场问题的实用计算方法。
3) large-sized transformer
大型变压器
1.
The on-line condition monitoring and fault diagnosis technology for large-sized transformers at home and abroad is summarized in this paper.
该文综述了国内外大型变压器在线监测及故障诊断技术的现状,针对电力变压器结构的复杂性及分布广、少人或无人值班等工作特点,提出了红外温度监测技术及GPRS技术在大型变压器远程在线监测及故障诊断中的应用前景。
2.
Aimed at the question to be taken into consideration for large-sized transformer spiral winding groups different spiral rise angles, calculation was made for transformer leakage magnetic field, spiral angle θ of four models selected were respectively 4.
针对考虑大型变压器螺旋绕组的不同螺旋升角问题,对变压器漏磁场进行计算,选用的四个模型的螺旋角θ分别是4。
4) large-scale transformer
大型变压器
1.
Brief analysis to the abnormal test result of the damping large-scale transformer;
受潮大型变压器异常试验结果浅析
2.
Several DC resistance measurements for low voltage side winding of large-scale transformer are introduced,detailed in testing process and measuring results.
介绍了测量大型变压器低压侧绕组直流电阻的几种方法,详述和分析了其测试过程和测量结果,并针对现有测量方法测量低压侧绕组直流电阻时的不足,综合助磁法和全压-恒流电源法,提出了基于这2种方法的一种新方法。
5) high capacity transformer
大型变压器
1.
Through the analysis of drying practice on site for a high capacity transformer,an effective drying method is presented.
根据对大型变压器现场干燥实例的分析,给出了现场干燥大型变压器的方法和应注意的问题。
6) large power transformer
大型变压器
1.
This paper introduces a partial discharge (PD) on-line monitoring system for large power transformers.
介绍一种大型变压器局部放电在线监测系统，它采用声－电联合监测方法，可连续监测大型变压器的局部放电。
2.
With the development of electrical industry, more and more large power transformers will be widely used in power system.
大型变压器是电力系统中至关重要的设备,而且价格昂贵,因此对其保护提出了很高的要求。
3.
Inrush current identification methods currently being used, such as the second harmonic current restraint principle and dead angle method, can\'t very well meet the requirements of modern large power transformer protection.
电力变压器是电力系统中重要的电气设备,它的安全性和稳定性对整个电力系统的稳定运行特别重要,特别是现代电网中的大型变压器。
补充资料：大型变压器安装
大型变压器安装
爵 大型变压器安装
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条