English translation for "负序电流"
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- negative sequence current
negative-phase sequence current
negative-sequence current
Related Translations:
负叠加: negative superposition 负调节: negative accommodation 负透镜: minus lensesnegative lensnegativelensretro type lensretro-type lens
- Example Sentences:
| 1. | The negative sequence current of impedance - matching balance transformer
阻抗匹配平衡变压器的负序电流 | | 2. | Harmonics , reactive power , voltage flicker and negative - sequence current of power grids can affect the power quality and harm the power equipment badly
摘要电网中存在谐波、无功、电压闪变及负序电流等问题，严重影响电能质量，危害电力设备。 | | 3. | This paper analyses the test results gained by mixed simulation , and validates the reliability of the use of transient zero current and negative current in fault identifying
文中讨论了负序电流的分布及提取问题，试验数据同样表明负序电流用于单相接地故障识别是可行性的。 | | 4. | So it can be used for single - phase fault identifying . this paper discusses the size of the negative current and the method of analyzing it . numeral simulation shows the feasibility of it
由于负序电流在故障线路和非故障线路上具有显著差异，故本文也研究了将负序电流作为故障特征量的可行性。 | | 5. | In at power supply system some transformers with special connection mode , such as scott transformer , anti - scott transformer , balance transformer and so on , are usual used . the voltage ratio is one of important parameters of transformer
采用斯科特变压器、平衡变压器等特殊接线方式变压器作为主变压器，能有效抑制负序电流，减少有功损耗和电压损失，提高牵引机车的过负载能力。 | | 6. | Active power filter ( apf ) is an advanced power electronic device ， which can be used for compensating harmonics , reactive power and negative sequence current . compared with conventional compensation devices , active power filter has advantages of real - time and accuracy
有源电力滤波器是一种新型谐波、无功补偿装置，和传统的补偿装置相比，有源电力滤波器具有很大的优势：可以对谐波、无功以及负序电流实现实时、准确的补偿。 | | 7. | The following is the main works and conclusions of this thesis . the novel upfc needs high power rate because it is generally used in high voltage transmission lines . after studied high - power converters and the literatures of upfc , the main circuit topology of novel upfc base on diode - clamping multilevel inverter is presented and the principle of using novel upfc to eliminate zero sequence and negative sequence currents is analyzed
本文所做的主要工作及得出的主要结论如下：由于upfc一般用于高压输电线，其功率等级要求很高，在综合研究大功率变换器和upfc现有文献的基础上，提出了基于二极管箝位多电平变换器的新型upfc的主电路拓扑，分析了用其来滤出高压输电线非全相运行时所产生的零序和负序电流的原理。 | | 8. | Unified power flow controller ( upfc ) is one of the most powerful and most promising controllers of facts . if we use upfc to control the transmission parameters , terminal voltage , line impedance and phase angle in normal situation and use it to compensate zero sequence and negative sequence currents when one of transmission lines is cut off , we can implement two phases operating in high voltage transmission lines , which can improve stability and reliability for the transmission system
统一潮流控制器（ upfc ）是功能最强、最具发展潜力的灵活交流输电系统（ facts ）控制器之一，如果在常规条件下，用upfc实现输电线路的电压调节、移相、潮流控制、阻尼振荡等功能，在发生单相永久性接地或单相断路故障时，由传统的三相跳闸改为单相跳闸，用upfc的并补来滤除两端系统的零序和负序电流，用upfc的串补来提高输电线的传输功率，以实现两相长期运行，那么输电系统的稳定性、可靠性将大大提高。 | | 9. | There is great change of negative current component when it happens the line - open fault . it is marked as the occurrence of the fault . and it can be concluded the phase characteristic of negative current in the line . in the transient course , there are plenty of harmonics in the fault line . through the transient analysis , it is drawed that the amplitude of each harmonic in fault phase is greater than other phases . harmonic current in fault line is far greater than other normal lines
发生断线故障以后,线路中会出现负序电流的突变,可以作为故障启动判断的标志,并且通过分析得出了故障时负序基波电流的相位特点。在故障暂态过程中,故障电流中含有大量丰富的谐波成分,各次谐波在故障期间有突变,并且衰减很快。 | | 10. | The electric power harmonic comprehensive control system with low cast and high security is applied in this article . it adopts that sourced compensation links with non - sourced compensation herewhich the former is realized by high frequency pwm control technology and the latter is carried out by crystal switch formed by non - flow and over - voltage . it can realize stepless modulation with imaginary power , mightiness compensation of harmonic and negative electricity , and circuitry consumption debasing are achieved
提出采用有源补偿与无源补偿相结合的电力谐波综合治理技术及装置，无源部分采用无涌流和过电压的晶闸管控制电容器技术实现，有源部分采用高频pwm控制技术实现，成本低、可靠性高、可实现无功功率的无级调节、强力补偿谐波电流和负序电流，降低线路损耗。 |
- Similar Words：
- "负需求" English translation, "负须叶" English translation, "负序" English translation, "负序磁场阻抗" English translation, "负序电抗" English translation, "负序电阻" English translation, "负序分量" English translation, "负序功率" English translation, "负序继电器" English translation, "负序列" English translation
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