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- optical fiber differential protection 光纤差动保护
- Study on Fiber Differential Protection for HV/EHV Transmission Line 超高压线路光纤电流差动保护的研究
- Application research of optical fiber differential protection used in medium-low voltage shorter transmission line 一种适用于中低压短线路的光纤纵差保护方案
- Influence on optical fiber differential protection devices from operation and maintenance of optical communication equipment 光通信设备的运维对光纤差动保护装置的影响
- fiber differential protection 光纤差动保护
- Which cause the maloperation of current differential protection. 谐波含量高，造成电流波形畸变，并最终导致了变压器差动保护的误动。
- Longitudinal differential protection of optical fiber,which is of many merits, has beenused more and more widely in EHV transmission line protection. 光纤纵联差动保护具有许多突出的优点,因而越来越多地用于超高压线路。
- It presents several principles of differential protection for generators. 介绍了各种微机发电机差动保护的原理。
- As for differential protection based on full current sampling, optical current transducer (OCT) possesses unmatchable advantages. 在基于全电流的采样值差动保护中，光学电流互感器具有无可比拟的优点。
- The wiringcorrectness of differential protection current loop can be verified using phasor analyzingmethod and on-load testing method. 差动保护电流回路接线是否正确，可通过相量分析法和带负荷检验法进行判断。
- The differential protection is locked when switching the current and voltage, and the misoperation of differential protection is reduced. 在电流、电压回路切换时自动闭锁差动保护，减少了保护误动的机率。
- Current transformer saturation has always been one of the major problems of degraded reliability of the transformer differential protection. 电流互感器饱和是影响变压器差动保护可靠性的重要因素之一。
- Inrush current is about with the theory of differential protection ,but research exotericas of it is used difficulty in fact. 励磁涌流涉及到差动保护的原理问题,是当前研究地热点之一,但多停留在理论层面。
- The protection must be disabled before switch and be enabled after switch and it is easy to cause the differential protection misoperation. 在进行电流、电压回路切换时必须先退保护,切换完毕后再投入保护,操作步骤烦琐,容易造成差动保护的误动。
- The current transmission error of CT saturation is one of the main factors of current differential protection maloperation. 电流差动保护中区外故障时电流互感器饱和而造成的电流传变误差,是引起电流差动保护误动的一个重要因素。
- LI De-jia.Analysis and countermeasure of maloperation of the microprocessor based transformer differential protection[J].Relay,2004,32(5):56-59. [2]李德佳.;微机型变压器差动保护误动原因分析与对策[J]
- line fiber optical differential protection 光纤分相电流差动
- In this article, the morphological anatomical specialties, cytology,physiological and biochemical characteristics at each stage of fiber differentiation and development were analyzed systematically. 本文就各个时期棉纤维细胞分化和发育过程的形态、细胞学、生理生化等特点进行较为系统的分析。
- J.Pihler.Design of a Digital Differential Protection for Power Transformer[M].M.Sc. thesis in Slovene, Faculty of Technical Sciences Maribor, February 1991. 李永庄;林集明;曾昭华译.;电力系统电磁暂态计算理论[M]
- The author gives a detailed analysis to the misoperation causes of transformer differential protection,especially the misconnection of the involved CT secondary. 对变压器差动保护不正确动作的原因进行了详细的分析及归纳。
