研究了大型发电机的绝缘结构。
This paper studies the structure of the generator' insulation.
大型发电机内部故障主保护配置方案需要通过定量化设计来确定。
The final main protection configuration scheme for internal faults of Urge generators should be determined by means of quantitative design.
介绍了大型发电机转子核心零件磁轭冲片的超吨位模具设计新方法。
This article describes a new designing method of over-tonnage Die for rim sheet, the center part of rotor of the oversize generator.
介绍一种基于虚拟仪器的大型发电机槽楔松动数字化声学检测系统。
This paper introduces mainly a digital detecting system of looseness of stator wedge in a generator based on virtual instruments.
研制的发电机放电在线监测系统实现了对大型发电机放电的多点监测。
This paper introduced an on line, multiple channels discharge monitoring system for generators.
目前大型发电机保护装置已经通过了全面的静态测试和动模试验的验证。
This protection for Three Gorges large scale generators has already passed the implement static and dynamic tests.
大型发电机定子绕组的故障放电是造成大型发电机损坏事故的重要原因。
The fault discharge of large generator winding is the important reason for the damages.
状态监测和早期故障诊断对大型发电机的安全、经济运行具有非常重要的作用。
Condition monitoring and fault diagnosis plays a very important role for the safe and economic operation of large turbogenerators.
针对使用波纹板的大型发电机定子槽部固定结构，在实验室建立了槽楔松动模型。
An experimental model is established in the laboratory to simulate the fixture structure of stator bars of large generators.
大型发电机绝缘局部放电在线监测对传感器的灵敏度、抗干扰能力都有着较高要求。
The on-line monitoring of partial discharge in large-scale generator insulation has a high requirement on sensitivity and anti-interference of sensor.
修正了传统计算大型发电机导线角部最大场强的经验公式，提出了更合理的计算公式。
The conventional empirical formula to calculate the maximum electrical intensity at conductor circular corner for large generators is modified, and a more reasonable formula is developed.
应用混合计算智能方法，进行大型发电机定子绝缘击穿电压预测以对其剩余寿命进行评估。
A hybrid computing intelligence approach was used in the residual life prediction of large generator stator insulation.
电机与电器的研究领域包括：电力系统中的大型发电机、电动机，有着广泛应用的中小型电机。
The research domain of electric machinery and electric equipment includes: The large dynamo in power system, electromotor, those who having wide application is medium or small electric machinery.
电力系统中的大型发电机和电动机的转子及轴的加工问题，始终是电机制造过程中的关键技术。
The processing problem related to the rotor and axis of the heavy generator or motor, which are used in electric power system, is always the most important point in motor manufacturing.
随着远距离输电线路电压等级的提高，大型电站中的操作过电压威胁着大型发电机的绝缘安全。
With the increment of working voltage for the long-distance transmission line, the switching overvoltage in large power stations is threatening the insulation safety of large generators.
试验结果表明：大型发电机一变压器组的定子的任何一点上发生接地故障时都能成功地获得保护。
The test results show that the ground fault at any point of the stator of a large unit-type generator-transformer system can be successfully protected.
新型的小规模热电联产机组，能够将燃料中大约一半的能量转化为电力，其效率已与大型发电机的效率相若。
New types of tiny combined heat and power plants are able to turn about half the energy in fuel into electricity, almost matching the efficiency of huge generators.
结果表明：该控制器对大范围工况变化具有较强的鲁棒性和适应性，对大型发电机组的锅炉水位控制有实用价值。
Testing results show that the controller is good in robustness and adaptation under widespread load disturbance and it can be used for large-capacity boiler feedwater control system.
采用有限单元法，编制了适用于微机系统的槽部电场计算专用软件，计算了大型发电机定子线圈槽部电场的分布。
The special microcomputer software for calculation of slot electric field is worked out with fe method, and the field distribution in stator slot winding of large generator is calculated.
利用大型通用有限元分析软件ANSY，对国泰电厂大型发电机定子吊装用横梁结构进行设计方案的安全稳定性校验。
The paper checks the safety and stability of shoulder pole girder for hoisting large dynamotor stator with finite element software ANSYS.
建立操作简单、判断快速、准确、清晰的固有频率软件分析系统，以适应大型发电机端部固定改造维修后的检测要求。
A natural frequency software analysis system of simple operation, fast judgement, exactness and clearness is set up as to meet the needs of generator-end fixed improvement and service.
针对传统大型发电机失步预测保护所存在的问题，并根据不同预测原理在实际应用中的优缺点，提出了一种综合保护方案。
This paper presents a comprehensive method based on different conditions after disturbance to avoid the problems caused by the traditional prediction for out- of- step protection.
分析了大型发电机误上电的起因及产生的危害，根据误上电的故障特征，提出误上电保护整定计算原则和保护运行注意事项。
The reasons and harm of inadvertent energizing are analyzed in this paper, and setting-calculating rules, notices for inadvertent energizing protection come up from its fault-characters.
发电机单机容量的增加，势必增加了大型发电机结构的复杂性以及电机内电磁负荷的强度，发电机内部的各种物理现象也变得越来越复杂。
The increment of unit capacity added the complexity of turbo-generator and the force of electromagnetic load, and various physical phenomenon became more and more complex.
针对国产发电机的具体特点，本文首次给出了计算大型发电机转子本体部分扭转等效直径的公式，此外，还对转子上其他一些结构的模化作了探讨。
The formula calculating the equivalent diameter of torsional stiffness for domestic turbogenerator rotor is presented, and the modelling of some special structures on the rotor is discussed as well.
为满足增长的能源工业，大批的发电机、工业烟囱和大型机械涌现，纯净的土地爷将会遭空气污染和水污染。
Land that was untouched could be tainted by air and waterpollution as generators, smokestacks and large vehicles sprout to support thegrowing energy industry.
由于稀土在清洁能源领域的应用，过去10年需求量猛增，像用于大型风力涡轮的发电机和汽车的轻型马达。
Demand has risen in the last decade for their use in clean energy applications, like generators for large wind turbines and lightweight electric motors for cars.
电力需求通过多种通径满足。大型集中式发电机组是迄今为止的的主要方法。
The demand for electricity is met in several ways. Large centralized generators have been the primary method thus far.
大型集中式发电机组是迄今为止的的主要方法。
Large centralized generators have been the primary method thus far.
大型集中式发电机组是迄今为止的的主要方法。
Large centralized generators have been the primary method thus far.
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