Wrap the transformer after unpacking with plastic film for protection from moisture and possible entry of metal fillings during the building construction before the transformer is to be used.
变压器在拆箱后，在投入运行前的大楼施工期间，要用塑料薄膜外裹保护，防潮和防止灰尘甚至金属屑的可能进入。
Introduces the constitutes of low voltage protection system of distributing transformer, analyzes the failure reason, puts forward concrete measures of improving low voltage protective reliability.
介绍了配电变压器低压保护的组成，对故障原因进行了分析，提出了提高低压保护可靠性的具体措施。
The company's patented product GF transformer for your power supply to provide the most complete protection.
本公司的专利产品GF变压器为您的电源提供最完善的保护。
The speed, sensitivity and reliability of transformer protection improve with the higher requirement of the power system security.
随着电网对安全性要求的提高，对电力变压器保护的速动性、灵敏性、可靠性要求也越来越高。
In this paper the recursive least square algorithm is described and a practical recursive algorithm is used in differential protection of transformer.
本文在分析递推最小二乘算法的基础上，给出了在微机变压器差动保护中采用的实用递推算法。
In the last period, we analyse the calculating Settings of differential protection for main protection of transformer.
在论文的后一阶段，对变压器主保护的整定原则进行了分析研究，并给出了具体的算例。
Traditional TCRs compensate reactive power from high voltage side of transformer, so it demands highly of thyristor and its protection and measurement, thus the cost ofequipment is higher.
传统的TCR 型静止无功补偿装置都是在高压侧直接补偿无功，对串联晶闸管的特性以及绝缘、保护和测量都有较高的要求，装置的成本较高。
In practical running, the differential protection of transformer may happen to be tripped in non fault.
实际运行中，变压器差动保护可能在非故障的情况下发生误动。
The validity check of zero-sequence operating direction for transformer directional over-current protection is also essential.
另外还需要进行变压器零序方向过电流保护动作方向正确性的检查。
Using the two-out-of-three principle which is based on the integrated membership grade, this new algorithm improves the reliability of transformer protection in blocking inrush current.
在此基础上，提出基于综合隶属度的三取二原则方式来识别涌流，提高了变压器差动保护励磁涌流闭锁的可靠性。
A new scheme for transformer backup protection based on longitudinal comparison principle is proposed.
提出了一种基于纵联比较原理的变压器后备保护新方案。
This paper introduces theoretical basis and method of measuring transformer differential protection phase by transformer differential circulating current method.
介绍了用差压环流法测量变压器差动保护相位的理论依据及方法。
This article explains power selection, adjustment and protection of control transformer and calculation method on secondary short circuit current.
阐述了控制变压器功率选择、校验、保护及二次短路电流的计算方法。
On the basis of power differential method, a novel principle of transformer protection using generalized instantaneous power is presented.
在差有功法的基础上，提出一种利用广义瞬时功率实现变压器保护的新原理。
The circuit, with over-current protection of output transformer original side average current and side peak current, adopts pulse transformer coupling MOSFET driving circuit.
该电路采用脉冲变压器耦合MOSFET管驱动电路，具有输出变压器原边平均电流和副边峰值电流的过流保护功能。
Dead Angle of differential currents is to be measured when realizing the transformer differential protection based on the dead Angle principle.
在间断角原理变压器差动保护中，需要测量差动电流导数波形的间断角。
Digital transformer differential protection may falsely take effective when external single-phase earth fault occurs at star side or the line endures lightning strike on single phase.
数字式变压器差动保护在星形侧发生外部单相接地或线路单相遭雷击的情况下，差动保护有时会误动。
Basing on a more precise model of transformer the author of this dissertation has done some researches on the machinery of the incorrect operation of differential protection for transformer.
本文作者在变压器精确模型的建立及其应用于变压器差动保护不正确动作机理分析做了一定的探讨研究。
Modeling and faults calculation in the new converter transformer are the bases of research on operating characteristics, relay protection and fault diagnosis of the new converter transformer.
新型换流变压器建模和故障计算是新型换流变压器运行特性研究及继电保护、故障诊断的基础。
Based on the analysis of the differential protection of the double winding transformer, the paper presents a simplified ratio restraint algorithms for the three phase, three winding transformer.
在分析双绕组变压器的差动保护算法的基础上，提出了适用于三相三绕组变压器的比率制动式算法，并对判据进行了简化。
This paper discussed the reliability problems of relay protection of a station transformer distribution system and expounded the form of the distribution system and with relation to its calculations.
讨论了厂用变压器配电系统继电保护的可靠性问题，论述了配电系统的组成和与其相关的各种计算。
This paper from the general electric parts of thermal power plant of transformer protection design perspective expounds the categories of transformer protection and design characteristics.
本文就从一般火力发电厂电气部分变压器的保护设计角度详细阐述了变压器保护的类别及设计特点。
Based on different characteristics of transient signals between the short circuit current and the inrush current, the transformer protection method is proposed.
在比较励磁涌流和故障电流形成暂态信号各自特点的基础上，提出了一种变压器保护新方案。
This paper describes design of a transformer and relevant protective measures of electric power running, and suggests some opinions on transformer protection.
本文叙述变压器设计，电力运行的有关保护措施，提出变压器保护的一些看法。
A novel principle of transformer protection using equivalent instantaneous leakage inductance, based on the transformer model loop equation, is proposed.
在变压器模型回路方程的基础上，应用等效瞬时漏电感，提出了一种新型变压器保护原理。
What's studied in this paper lays a theoretical foundation for the design, operation performance analysis, short circuit analysis and protection scheme of this transformer.
所做工作是该变压器的设计、运行特性分析、短路计算及继电保护的配置与整定计算的基础。
The paper introduces some relevant contents about failure protection in regulations and countermeasures, analyzes the startup logic of line failure protection and transformer failure protection.
介绍了有关规程和反措对失灵保护的要求，分析了线路失灵保护和变压器失灵保护的起动逻辑。
A new transformer protection principle based on two-instantaneous-value-product algorithm to extract the feature of fundamental current amplitude is put forward in this paper.
提出了一种基于两采样值积算法快速提取基波幅值变化特征的变压器保护新原理。
A new transformer protection principle based on two-instantaneous-value-product algorithm to extract the feature of fundamental current amplitude is put forward in this paper.
提出了一种基于两采样值积算法快速提取基波幅值变化特征的变压器保护新原理。
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