第二部分是自己制作一个单相及三相高效防雷变压器模型。
The second is to make a single-phase HELPT model and a three-phase HELPT model.
最后将变压器模型样机与一台同规格变压器进行了性能对比试验研究。
Finally, the transformer model prototype and a transformer with the specifications of the performances are compared.
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。
A novel principle of transformer protection using equivalent instantaneous leakage inductance, based on the transformer model loop equation, is proposed.
介绍了一种适合EMTP仿真程序的变压器模型，该模型能模拟变压器各种匝间短路和绕组对地短路；
A transformer model compatible with the Electromagnetic Transients Program (EMTP) is presented, which can be used to simulate the turn to turn fault as well as also turn to ground fault.
本文基于实测压电变压器电压增益-频率响应特性，提出了一种实用的压电变压器模型参数的求解方法。
Based on the measured voltage gain-frequency response characteristics, a practical approach for model parameters measurement of piezoelectric transformer was proposed in this paper.
参照国家标准的测试方法，对变压器绕组模型进行了测试、分析，得到了绕组变形的频率响应特性曲线。
According to the national standard test methods, the frequency response of winding deformation curve was obtained through testing and analyzing the transformer winding model.
作者还讨论了建立相坐标下三相变压器谐波模型的基本方法。
Finally, the elementary procedure for establishing the harmonic models of three phase transformer in phase coordinate system is discussed.
绘出了基于状态监控与诊断中心的状态检修工作思路，给出了基于状态监控与诊断中心的变压器状态评估工作模型。
The working thought of predictive maintenance is draw out and the evaluating work-model of the transformer states is proposed based on monitoring and diagnosing center.
提出一种在范例推理框架上集成模糊数学的故障诊断方法，并进一步建立起可应用于电力变压器故障诊断的实用模型。
A diagnostic method integrating case based reasoning with fuzzy theory is presented in this paper, and a practical model for power transformer fault diagnosis is further built up.
以三心柱变压器铁心的磁路为基础，建立了该种变压器的暂态模型。
Based on magnetic circuit of three-leg core transformer the transient model of the transformer is presented.
对特大容量变压器内绕组径向稳定性进行了模型模拟对比实验和研究，为特大容量产品的开发奠定了基础。
The radial stability of the high capacity transformer winding is compared and re searched with model simulated test. It lays a foundation for development of high capacity products.
基于补偿原理，利用变压器的受控电压源和受控电流源模型，分析了该系统的稳压原理。
Based on compensation concept, the principle of this system is analyzed by utilizing the controlled voltage source and controlled current source model of a transformer.
提出了基于贝叶斯网络的变压器状态综合评估方法，建立了贝叶斯网络状态评估模型。
We propose the method for Bayesian network based transformer synthesized condition evaluation and devise the Bayesian network condition evaluation model.
采用系统辨识的最小二乘法的改进算法，确定了一种用模糊关系矩阵表示电力变压器故障诊断模型。
According to the modified least square algorithm of system identification technique, a diagnostic model of power transformer fault is determined and described by fuzzy relation matrix.
根据对变压器油纸绝缘内部常见缺陷的分析，进行了局部放电模型试验。
The model test of partial discharge is carried out based on the analysis of defect in oil paper insulation of transformer.
提出了一种用于脉冲电镀电源的神经网络控制器，并对脉冲变压器建立了数学模型。
A control method based on neural network for pulse plating power is presented, and a mathematical model of the pulse transformer is established.
研究了径向基函数(RBF)神经网络的模型结构及其在电力变压器故障诊断中的实现方法。
In this paper, the model structure and the application of Radial Basis Function Neural Network (RBF NN) to fault diagnosis of power transformer is presented.
基于所建立的数学模型，采用拓扑描述串和故障等效处理技术来计算新型换流变压器的各种故障。
Based on the mathematical model, we adopted topological description series and the technique of fault equivalence disposal to calculate all kinds of faults of the new converter transformer.
基于所建立的数学模型，采用多态相分量法处理纵向故障的方法来计算新型换流变压器的纵向不对称故障。
Based on the mathematical model, the polymorphic phase-coordinate method is adopted to calculate the longitudinal and asymmetric faults for new-type converter transformer.
实际上，我发现氖灯型变压器152很便于实验性模型使用。
In practice, I found that transformer 152 of the neon-sign type was convenient for developmental-size models.
本文叙述了三相油浸变压器热点热传导数学模型的建立及计算方法的推导。
This paper described the establishment of the mathematical model for hot-spot thermal conductance of oil three-phase transformer and the deduction of the involved calculation method.
本文从基本的物理学原理入手，建立了纵纵式厚度伸缩薄膜压电变压器的物理模型以及等效电路。
In this article, form the physical principle, the model and the equivalent circuit of thickness extensional vibration mode of thin film transformer is built.
该模型的特点是能够模拟有载调压变压器、分布式电源事故停运以及多个分布式电源的情况。
Under-load tap changing transformer is modeled using a switch function, and the impact of distributed generator outage is included.
电力变压器故障的机理难以应用准确的数学模型加以描述，故障现象与故障原因之间存在着很多不确定因素。
It is difficult to use a precise mathematical model to describe the fault mechanism of transformers. There are many uncertain factors between the phenomena and causes of the faults.
目前变压器油中气体浓度预测普遍采用灰色模型，但灰色模型的使用存在一定局限性。
At present available prediction models of gases dissolved in transformer oil are grey models, but there are certain limitations for them.
建立了一个比较合理且精确的变压器有载合闸的非线性数学模型，铁芯的励磁特性采用了多值磁滞特性。
A reasonable nonlinear model for transformer switch-in with load was proposed in this paper and multivalued hysteresis characteristic was adopted to be the excitation characteristic of the core.
提出了基于知识库的变压器故障诊断专家系统。文中给出系统总体结构模型和面向对象模型。
Expert system of transformer fault diagnosis based on knowledge base is posed and general structure of system and object-oriented model are discussed in the paper.
本文提出了三绕组变压器的一种新的三相模型，这种模型避免了现有模型存在的误差大或维数高以及奇异性问题。
A kind of three-phase models of three-winding transformers were presented which overcame some drawbacks in the existent models such as the large error or high dimension and singularity.
本文提出了三绕组变压器的一种新的三相模型，这种模型避免了现有模型存在的误差大或维数高以及奇异性问题。
A kind of three-phase models of three-winding transformers were presented which overcame some drawbacks in the existent models such as the large error or high dimension and singularity.
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