• The modified grey model is introduced to predict the gas dissolved in oil of power trans-formers.

    改进灰色模型引入变压器溶解气体浓度预测

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  • It is a widely used and quit efficient method to use gas dissolved in oil as character to diagnose transformer fault.

    溶解气体特征变压器进行故障诊断一种使用广泛十分有效方法

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  • Viscosity: viscosity is the crude oil in the flow caused by the internal frictional resistance, crude oil viscosity depends on temperature, pressure, dissolved gas and its chemical composition.

    粘度原油粘度原油流动时所引起内部摩擦阻力,原油粘度大小取决于温度压力溶解气量及其化学组成。

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  • Through the analysis and research for the dissolved gas in transformer oil, the "non-code ratio method" is given to analyse and judge transformer fault.

    通过对实际故障变压器溶解气体分析研究,提出了用“无编码比值分析判断变压器故障性质的诊断方法。

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  • According to the compare of the actual data and the alarm value of the dissolved gas in the oil, we can make whether there is failure and its primary characteristic for the transformer.

    溶解特征气体含量数据注意比较进行判断可以变压器等设备无故障故障性质作出初步判断。

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  • The traditional gas chromatography for testing dissolved gas in transformer oil has the disadvantage of multiple analytic links, frequent operation, long testing cycle and large errors.

    传统相色谱法检测溶解气体存在分析环节操作频繁试验周期误差弊病

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  • Introduce the system of state monitoring, diagnosis and integration in SPM transformer station, and the method of on-line monitoring dissolved gas in transformer oil.

    介绍SPM型变电站状态监测诊断集成系统变压器溶解气体在线监测方法

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  • Online detection technology of transformer oil dissolved gas can be used to analyze insulation status of transformer effectively, and the gas sensor in online detection is crucial to this technology.

    在线监测变压器中溶解气体有效地分析变压器绝缘状况,在线监测用气体传感器实施技术关键

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  • The uncertainty of measuring dissolved gas component content in insulating oil by using gas chromatograph method which was stipulated in GB/T 17623-1998 has been assessed.

    GB/T 17623-1998色谱法测定绝缘溶解气体组分含量测量不确定度进行了评定。

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  • In order to realize fiber detecting, the fault gas dissolved in the transformer oil must be separated by the macromolecule membrane.

    只有分离出溶解变压器中的气体才能实现光纤探测,所以本文关键技术如何把故障气体变压器油中分离出来。

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  • Currently, the chromatographic column and gas sensor are widely used in online monitoring devices of dissolved gases in transformer oil.

    目前色谱和气敏传感器广泛应用变压器油溶解气体在线监测装置

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  • To use dissolved gas analysis (DGA) in oil can discover the nature of hidden fault sensitively in power transformer.

    用油中溶解气体分析(DGA)灵敏发现电力变压器潜伏性故障性质

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  • The synthetic diagnosing of transformer faults based on dissolved gas-in-oil analysis (DGA) is introduced.

    介绍基于油中溶解气体分析DGA)的电力变压器故障综合诊断

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  • The result of analysing the gas dissolved in insulating oil can be used for forecasting inner faults in oil filled electric equipments.

    分析溶解气体提前预报变压器等电气设备内部故障

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  • During the formation of oil-gas and migration process, some soluble trace elements in the sedimentary organic matter will be separated and dissolved in the associated water.

    沉积有机质生成油气运移过程中,部分可溶微量元素分离出来溶解伴生水中

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  • This paper suggests a new method of treating sewage in oil production, discusses several factors influencing dissolvedgas flotation.

    本文介绍用气——过滤处理采油污水试验情况。

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  • In the liquefaction process there was reversible reaction between the heavy oil and volatile organic compounds; organic dissolved was mainly transformed into gas in the secondary reaction.

    液化过程挥发物重油之间存在可逆反应,轻油液化过程发生二次反应主要生成气体

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  • In the liquefaction process there was reversible reaction between the heavy oil and volatile organic compounds; organic dissolved was mainly transformed into gas in the secondary reaction.

    液化过程挥发物重油之间存在可逆反应,轻油液化过程发生二次反应主要生成气体

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