介绍了后备阻抗保护对变压器绕组短路灵敏度很低。
It is described that the sensitivity of impedance back up protection for transformer wind short circuit is very low.
绕组短路和绕组碰机壳接地一般用万用表即可检查；
Winding short circuit and winding touch chassis ground generally use a multimeter to check;
磁场绕组短路或开路，检查磁场绕组接头或更换磁场绕组。
If the magnetic winding is short circuited, check the winding lug or replace with another winding.
根据故障后支路的电压方程和磁链方程得出了各种绕组短路故障的等效模拟电路；
According to the basic electric circuit theory, the simulation method of various winding fault is deduced.
根据分析结果，提出一些保证绕组短路强度的措施，为变压器绕组设计提供参考依据。
According to analyzing results, a few measures are given to ensure short-circuit strength of windings and referential rules are provided for design of transformer windings.
使用时二次绕组不能短路及超负荷运行。
In using, the secondary winding can not be short-circuited or operating over-load.
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.
介绍了SC9新系列树脂浇注干式变压器的铁心和绕组结构特点及性能，重点分析了该产品的耐冲击能力、抗短路能力等。
The structure and performance of core and winding in SC9 series resin cast dry-type transformer is introduced. Its ability of withstanding impulse and short circuit is analysed emphatically.
介绍了运用高斯计来探查变压器绕组内并联导线间短路点，并对故障点进行修复的方法。
The method to check short-circuit point between parallel conductors in transformer winding by Gaussmeter and to repair fault point are introduced.
分析了汽轮发电机转子绕组匝间短路故障和转子不平衡故障时定、转子径向振动特征。
The generator vibration characteristics caused by rotor winding interturn short circuit fault and imbalance fault are analyzed respectively.
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.
基于多回路数学模型，对异步电动机定子绕组匝间短路故障瞬变过程做了数字仿真，并完成了相关物理实验。
The transient numeric simulation and relevant experiments of stator winding inter-turn short circuit fault of asynchronous motor are conducted using multi-loop mathematic model.
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.
通过测量变压器的短路电抗并计算分析，可以判断变压器的绕组故障。
Winding faults can be identified by measuring transformer short-circuit reactance and analyzing the data.
定子绕组匝间短路是异步电动机常见故障之一，因此研究其检测方法具有重要意义。
It is of great significance to investigate and improve the detection method of stator winding inter-turn short circuit fault in induction motors.
短路电抗法是实现监测变压器绕组状况的一种简便的方法。
Short-circuit reactance method which shows the condition of transformer windings, is a simple and convenient method.
提出的分析方法也可用于双绕组发电机直流侧短路等电磁转矩的分析。
The method can also be used to analyze electromagnetic torques in double-winding AC-DC generators after shorts or just DC side.
发电机的谐波组开路或短路，无三次谐波电压输出，检查绕组接头或拆换绕组。
If no triple overtone voltage, check the winding lug or replace with another winding.
纵差保护作为防御发电机定子绕组及其引出线相间短路的主保护，对发电机安全高效运行起着重要作用。
The Differential operation is a major protector for the stator winding and leading wire of a generator, to ensure the generator operating effectively.
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.
由变压器的理论分析可知：变压器的短路电抗值是由绕组的几何尺寸及相互位置所决定的。
It is shown from the theoretical analysis of transformer that the short-circuit reactance of a transformer is decided by the size and the relative location of its windings.
分析了树脂浇注干式变压器短路时内外绕组产生应力的机理及其后果。
The mechanism of stresses generating in internal and external windings and its consequence are analyzed in this paper.
本实用新型在风力发电机的发电电枢绕组上装有短路装置。
A short circuit device is arranged on an armature winding of electric power generation of the fan-driven generator.
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.
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.
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.
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.
损坏情况大体分为两种：一种是定子屏蔽套良好，而定子绕组发生对地、相间击穿，线圈匝间短路，过载而造成绕组烧毁。
Damage be divided into two: one is a good set of stator shielding, and the occurrence of stator windings, the breakdown phase, the coil turn-to-turn short circuit, overload caused by burnt windings.
损坏情况大体分为两种：一种是定子屏蔽套良好，而定子绕组发生对地、相间击穿，线圈匝间短路，过载而造成绕组烧毁。
Damage be divided into two: one is a good set of stator shielding, and the occurrence of stator windings, the breakdown phase, the coil turn-to-turn short circuit, overload caused by burnt windings.
应用推荐