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- 绕组比
- 更多网络例句与绕组相关的网络例句 [注:此内容来源于网络,仅供参考]
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Statistic data indicate that windings is most possible blooey. Wingdings fault occupied 60%-70% in the power transformer.
统计资料表明:在变压器各类故障中,绕组发生故障的机会最大,约占整个故障的60%-70%,在绕组各类故障中,最常见的就是绕组匝间短路(包括绕组层间短路、股间短路等等),从广义上讲,绕组故障都可以归结于匝间短路。
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The validity of the method is demonstrated by comparison with results obtained from tests on a practical drive system. The influence of damper winding on performances of self-controlled synchronous motor, especially on commutation process and commutation limit, are analyzed in detail. It is shown that damper winding has little effect on increasing overload capability. The influences of field winding on torque, commutation process and overload capability are analyzed also.
然后在此基础上,分析了阻尼绕组和励磁绕组对自控式同步电动机性能的影响,包括对电磁转矩、换流过程和过载能力的影响,重点分析了阻尼绕组对换流过程和换流极限的影响,讨论了阻尼绕组在自控式同步电动机中的作用,得出阻尼绕组对提高过载能力作用不大的看法。
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The instantaneous power theory was employed to analyze the instantaneous power of the control winding and the control scheme for the DWIG system with diode bridge load was obtained. The component of the currents on the control-winding flux determines the instantaneous reactive power, and the component on the perpendicular direction of the flux decides the reactive power. The former one influences the DC voltage of the diode bridge on power winding and the latter one influences the DC voltage of the static excitation controller of control windings.
基于瞬时功率理论,推导出按控制绕组磁场定向时控制绕组的瞬时功率,在此基础上分析了带整流桥负载的定子双绕组感应电机发电系统在宽转速运行时的电压调节机理,即:控制绕组电流在控制绕组磁场及其法线上的分量,分别决定着发电系统功率绕组整流桥直流侧电压和控制绕组静止励磁控制器(static excitation controller,SEC)直流侧电压,据此提出宽转速运行时DWIG发电系统电压控制策略。
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That is, the motor winding capacitance in series with the Deputy, due to the role of the capacitor, so that Kim winding current phase ahead of the main winding current in phase 90 °, in accordance with the basic theory of motor learning: When the space two winding axis position is 90 °, and the flow of two windings of the current phase and poor 90 °, its synthesis must be for the rotating magnetic field, magnetic field, so that motor up and running.
这种电动机就是将电容与副绕组串联,由于电容器的作用,使副相绕组中电流的相位超前于主绕组中电流的相位90°,按照电机学的基本理论:当空间两绕组轴线位置为90°,且流入两绕组中的电流相位又差90°时,其合成磁场必为旋转磁场,从而使电机启动和运转。
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In this thesis, soft starter equipment realized by thyristors power transform circuit is studied. To improve equipment performance, we apply variable reactance technique to AC motor soft starter study. The high voltage AC working winding of reactance is in series with motor winding, while low voltage control winding and thyristors groupware with intelligent controller constitute close loop circuit. We adopt thyristor phase control voltage-regulator mode to control low voltage winding, then control the reactance of high voltage winding, and then arrive at the goal-control the current and voltage of motor AC to realize motor soft starting.
本文研究由晶闸管功率变换电路实现的软起动器装置,为了提高装置的性能,将可变电抗技术应用于交流电机软起动研究中,电抗器的高压交流工作绕组与电动机绕组串接,低压控制绕组与带智能控制器的晶闸管组件组成闭合回路,采用晶闸管相控方式控制低压绕组,从而控制高压绕组的阻抗,以达到对电机电流与电压的控制,最终实现电机软起动的目的。
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Considering the state of open-phase and asynchronous operation in largepower unit, the magnetomotive force and harmonic current of stator and rotor aretheoretically analyzed. A fault simulation test is designed, which proves the theoreticalconclusion correct. Finally, in this thesis, the problems with open-phase protection andbreaker failure protection are discussed, and the improved scheme of protection ispresented.
对发电机组非全相异步电动运行状态下,定子绕组与转子绕组磁动势以及谐波电流进行了详细的研究,通过磁动势的矢量分解等方法,得出了电枢绕组电流不对称时磁动势的空间分布,推导出了各次谐波电流在定子绕组、转子绕组及相互间的感应关系;通过试验验证了理论分析结果的正确性。
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Then detailedly introduces the principle of pole-changing modulating speed and design feature in times pole proportion and non times pole proportion in the Mixed pole-changing simplex winding multispeed asynchronous motor , carry on discuss to the main parts of electrical machinery electromagnetism computation; by using VISUAL BASIC under WINDOWS platform for computer-aided design method for the mixed pole-changing simplex winding multispeed asynchronous machine, carries on profound analysis for the computer-aided design in the following aspect such as rotor and setting flush piece size, groove shape size, the rotor and setting winding connection, and start performance.
本文在介绍了单绕组多速电动机的概况,阐述了目前多速电机的发展现状与前景;利用槽号相位图以及混相原理对变极绕组进行了研究,确定了绕组的混相方案;并详细地介绍了混相变极单绕组多速电机在倍极比与非倍极比时的变极调速原理以及设计特点;对电机电磁计算的主要几个部分进行了讨论;介绍了使用WINDOWS平台下的VISUAL BASIC对混相变极单绕组多速异步电机的计算机辅助设计方法,对混相变极单绕组多速异步电机的定转子冲片尺寸、槽形尺寸、定转子绕组接法、定转子相带、起动性能的几个方面的计算机辅助计算进行了深刻分析;最后,对混相变极单绕组多速异步电机的样机检测试验结果进行了分析。
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In this paper, arrangement scheme of a novel multi-star phase shifted pole changing coil was given and the methods to determine coil split ratio were analyzed. According to electromagnetic theory, 2D electromagnetic mathematical model in which stator windings were spitted coil was developed, and magnetic field distribution of the novel motor at starting was solved by finite element method, starting performance of motor was calculated. Based on energy method, rotor slot leakage reactance under different poles and different loads were calculated, and the variation of rotor slot leakage reactance with loads was gotten. Based on time-step finite element method, distribution of branch current in stator windings and operating performance were calculated and analyzed when branch was unbalance, the method to calculate circulating loss in stator windings of novel multi-star phase shifted pole changing motor was given, and the effects of the loads variation and degree of unequilibrium on circulating loss in stator windings were calculated and analyzed.
论文系统的给出了采用分裂线圈法新型多星形移相变极绕组的排列方案,进一步分析线圈分裂比的确定方法;根据电磁场理论,建立了定子为分裂线圈绕组的电机二维电磁场数学模型,并采用场路耦合法求解了新型多星形移相变极电机起动时的磁场分布,计算了电机起动性能和基于能量法计算了不同极数下起动时转子槽漏抗和不同负载时转子槽漏抗,得出转子槽漏抗随负载变化的规律;采用时步有限元法计算分析了定子绕组支路不平衡时支路电流的分布情况及运行性能,给出了新型多星形移相变极电机定子绕组环流损耗的计算方法,分析比较了负载的变化和支路不平衡度大小对定子绕组环流损耗的影响。
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The windings in the valve side adopt prolonged delta connection providing the circuit for three-multiple harmonic currents, and implementing 12-pulse converter through fit ratio; this connection between the common winding and prolonged winding can decrease the current impact when phase conversion takes place.
该换流变压器阀侧绕组采用延边三角形接线,为3倍次谐波电流提供通路;通过匝比配合,实现12脉波换流;其延边绕组与公共绕组构成自耦变压器接线,可减少换流器换向时的电流冲击;在公共绕组上连接滤波支路,并调至谐振点,配之以变压器巧妙的零阻抗设计,可以在阀侧实现无功补偿,可实现网侧绕组中无5、7、11、13次特征谐波,即谐波屏蔽。
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Two kinds of new on-line monitoring methods, which are based on measuring primary, secondary currents and voltages to calculate the short-circuit reactances of windings for detecting the deformation windings of power transformer, are proposed in the paper. The methods used for on-line measuring the short-circuit reactances of traction transformer in electric railways, are designed.
本文提出了两种在线监测变压器绕组变形的方法,通过在线监测变压器绕组原、次边的电压和电流量,实时计算变压器绕组的短路电抗来判断变压器绕组变形情况,并对电气化铁路主要接线型式的牵引变压器绕组变形的在线监测方案进行了设计。
- 更多网络解释与绕组相关的网络解释 [注:此内容来源于网络,仅供参考]
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field winding:磁场绕组 励磁绕组
self excited 自励 | field winding 磁场绕组 励磁绕组 | speed-torque characteristic 速度转矩特性
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superconducting field winding:超导磁场绕组,超导励磁绕组
superconducting energy storage 超导储能 (装置 ) | superconducting field winding 超导磁场绕组,超导励磁绕组 | superconducting film 超导膜
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imbedded winding:埋入式绕组,嵌入绕组
imbedded temperature-detector insulation 埋入测温器绝缘 | imbedded winding 埋入式绕组,嵌入绕组 | imbedding method 嵌入法
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primary winding parameters:原边绕组参数
primary winding 一次绕组,原边绕组,初级绕组 | primary winding parameters 原边绕组参数 | primary winding voltage 一次绕组电压
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pull in winding:穿入式绕组,拉入绕组,插入式绕组
pull-in value 吸入值 | pull-in winding 穿入式绕组,拉入绕组,插入式绕组 | pull-insert 锥体拉出试验插入物
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long shunt winding:长分(路)绕组法,长分激绕组
long shunt compound winding 长分路复绕组,外关联复励绕组 | long shunt winding 长分(路)绕组法,长分激绕组 | long span 长跨度,长档距
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interpole winding:间极绕组,换向极绕组,附加极绕组=>辅助极绕组
interpole space 極間空所 | interpole winding 间极绕组,换向极绕组,附加极绕组=>辅助极绕组 | interpoles 间极
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wave winding:波绕组,波形绕组,波形绕组线圈,波状绕法,波状绕组=>波巻
wave wash ==> 波浪冲刷 | wave winding ==> 波绕组,波形绕组,波形绕组线圈,波状绕法,波状绕组=>波巻 | wave winding machine ==> 波形绕法绕线机,波状绕线机,波状绕组电机
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wave winding machine:波形绕法绕线机,波状绕线机,波状绕组电机
wave winding ==> 波绕组,波形绕组,波形绕组线圈,波状绕法,波状绕组=>波巻 | wave winding machine ==> 波形绕法绕线机,波状绕线机,波状绕组电机 | wave zone ==> 波带,波带区,波动带,波动区,波浪区
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duplex wave winding:双波绕组
"duplex tube ","双管" | "duplex wave winding ","双波绕组" | "duplex winding ","双重绕组(包括双叠绕组,双波绕组)"