是理想的干式电力变压器、电抗器及其它电机槽间、匝间、层间绝缘材料。
It is an ideal slot, interturn and interlayer insulating material of dry type power transformers, reactors and other motors.
基于ATP的仿真和Matlab的运算表明基于电容器电感器电压比的电抗器匝间短路保护,能够对匝间故障做出快速而正确的判断。
ATP simulation and MATLAB calculation show that the voltage ratio protection against inter-turn fault of reactor can make correct judgement to this kind of fault quickly.
介绍了一种确定大型汽轮发电机转子匝间短路点位置的方法,该方法简单快捷、实用可靠。
The paper a applied method, which can determine the position of rotor rum short-circuit point for large turbo generator easily and reliably.
分析了汽轮发电机发生转子绕组匝间短路故障时的电磁特性,提出了基于小波分析的故障检测与诊断方法。
Electromagneic characteristic of the interturn short circuit in turbo-generator rotor windings is analyzed. And a method of fault detection and diagnosis based on wavelet transform is presented.
认为突发性振动原因是运行中转子的油膜涡动和匝间短路、线圈膨胀受阻等引起的热不平衡。
It is concluded that the causes of sudden vibration are oil film whirl and thermal unbalance of generator rotor resulting from interturn short-circuit and hindered winding expansion etc.
绕组中发热可能是由线圈匝间短路引起的。
Heating in the winding may be due to a short-circuit between the turns of the coils.
这样他便能够在铁芯上缠绕许多圈导线,而不会在线圈的匝间造成短路的危险。
He was able to wrap many turns of wire around an iron core without danger of circuits between the turns.
从法国进口的300MW发电机转子存在匝间短路和过电压保护问题。
Rotors of 300mw generators imported from France are afflicted by problems concerning short circuit between windings and overvoltage.
基于小波变换的分析方法,提出了基于定子三相电流之间相位对称度检测的定子绕组匝间短路故障在线检测新方法。
Based on wavelet transform, a novel on-line detection method is presented, which is based on the detection of symmetry degree among the stator three-phase line currents phases.
本文提出了一种基于直接冲击电压对电器绕组匝间绝缘的试验方法。
A test method for insulation between coils of electrical equipment based on directly impulse voltage are presented.
在制造电抗器前,需要对电抗器的过电压耐受进行评估,保证匝间电压小于绝缘值。
Before manufacturing the CLI, the over-voltage withstand ability of CLI should be evaluated to ensure the voltage between two coils less than the withstand value.
该方法为同步发电机定子绕组匝间短路故障诊断提供了新的思路。
This method provides a new idea for the detection of the internal stator winding fault in synchronous generator.
基于交流阻抗和两极电压试验数据的分析,发现发电机转子绕组因存在铜渣而造成匝间短路故障的原因。
Based on the analysis of AC impedance and two poles voltage test data, the reason of turn - to - turn short circuit fault caused by having copper dregs in generator rotor winding was found.
文中论述了匝间短路故障产生的原因、处理方案、新工艺的采用及关键工艺的实施等。
This paper describes the reason of interturn short circuit, the treatment and new process employed.
分析了电抗器保护匝间短路灵敏度,提出了自适应补偿零序功率方向的方法。
Moreover, the sensitivity of turn-to-turn fault of shunt reactor protection was analyzed and a method of adaptive compensated zero sequence direction was presented.
介绍了一种适合EMTP仿真程序的变压器模型,该模型能模拟变压器各种匝间短路和绕组对地短路;
A transformer model compatible with the Electromagnetic Transients Program (EMTP) is presented, which can be used to simulate the turn to turn fault as well as also turn to ground fault.
在具有高速浮点运算能力的DSP芯片上进行高效率编程,生成转子匝间短路在线监测系统。
The integrated efficient diagnosis program at high-speed floating point DSP chip is made to produce a set of on-line inter-turn short circuit monitor system.
介绍了一种由冲击电压发生器和峰值电压表组成的用于电机磁极线圈匝间绝缘试验的设备,详细说明了设备的工作原理及关键技术,给出了试验结果。
The paper introduces a type of the turn-to-turn insulation test equipment including an impulse-voltage generator and a peak voltmeter for the electrical machine pole coil.
在场的计算中,讨论了定子股线绝缘和转子匝间绝缘对电磁场及温度场的影响。
Calculating results with and without the consideration of insulation is compared and the effect of insulation to the air gap magnetic field and rotor temperature field is analyzed.
目前变压器相间后备保护对变压器匝间故障的灵敏度不高。
The transformer backup protection for phase- to- phase faults is not sensitive to the few turn turn- to- turn faults of transformer.
提出了基于负序功率方向的并联电抗器匝间故障保护原理。
The paper proposes a novel shunt reactors turn-to-turn fault protection that is based on negative-sequence power direction theory.
在对干式空心电抗器参数计算的基础上,提出了用脉冲电压谐振法进行电抗器匝间绝缘缺陷的检测。
Based on the parameter calculation of the air core reactor, this paper presents a pulse voltage resonance method to detect turn to turn insulation defects in air core reactors.
论述了高压电机绕阻匝间绝缘故障发生原因,保护措施以及故障检测手段等,提出了提高匝问绝缘可靠性的办法。
Accident -easons of winding turn-to-turn insulation in a Hv motor are analyzed, protection measures and accident inspection methods are discussed.
以试验所用的故障模拟发电机为例,分别对发电机不对称运行和定子绕组匝间短路进行了故障特征计算。
The fault characteristics of stator winding inter-turn short -circuit and asymmetrical operation of generator are calculated for the fault simulation generator.
目的比较皮肤轮匝肌切除法与睑缘间切开法矫正老年性下睑内翻的疗效。
Objective To compare the effect of blepharosphincterectomy with eyelid margin incision to treat senile blepharlosis.
精密线绕电位器的线性精度、函数符合度、匝间短路等项技术指标的优劣,直接影响到它在自控系统和仪器仪表中的应用,需要在生产过程中进行精确的参数测试。
The performances of linearity, function conformance, and short circuit between turns have the direct effect on the applications of the potentiometer in automatic control and instrument systems.
对转子绕组不同位置发生不同程度的匝间短路故障时,转子磁势的变化情况进行了详细的推导。
The variation of rotor magnetic potential has been analyzed detailed when the different places of rotor winding happened the different deep inter turn short circuit fault.
对汽轮发电机发生转子绕组匝间短路故障后,电磁特性和电气参量的变化进行了分析。
The electromagnetic characteristic and the relevant electrical parameters are analyzed when inter turn short-circuit fault on generator rotor windings occurs.
可在气体或油的绝缘系统内作层间绝缘。主要用于六氟化硫互感器和变压器的层间绝缘及匝间绝缘。
It can be used for interlayer isolation of gas or oil insulation system, especially interlayer insulation and turn-to-turn insulation of sulfur hexafluoride mutual inductors and transformers.
可在气体或油的绝缘系统内作层间绝缘。主要用于六氟化硫互感器和变压器的层间绝缘及匝间绝缘。
It can be used for interlayer isolation of gas or oil insulation system, especially interlayer insulation and turn-to-turn insulation of sulfur hexafluoride mutual inductors and transformers.
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