查询词典 transformer oil

Company main products has: ZYB Multifunction Vacuum Oil Machine, BZJ Oil transformer oil machine (oil temperature automatic control, drop acid, desulfurization, decolorization), QZJ Oil multifunction machine (deacidification, bleaching, automatic control temperature), LPD light oil purification separation device, PWR type Decoloration renewable purification devices, BLY-type plate and frame filter, such as modulartanker.

公司主要产品有：ZYB多功能真空净油机、BZJ变压器油净油机（油温自动控制、降酸、脱硫、脱色）、QZJ多功能净油机（脱酸、脱色、油温自动控制）、LPD轻质油净化分离装置、PWR型脱色再生净化装置、BLY型板框滤芯组合式滤油加油机等。

Comparative heat aging experiments were carried out about disposal transformer oil and disposal transformer oil with afflux oxygen.

而热老化是变压器油老化的主要原因之一，因此研究超高压（500kV）变压器油热老化过程中特性参数变化具有重要意义。

Transformer oil purifier applies for filtrating and dehydrating transformer oil, mutual conductor oil, switch oil and other kinds of insulation oils.

变压器油净化器适用于过滤和脱水的变压器油，相互导体油，开关油和其他种类的绝缘油。

The properties of light fractions (including naphtha, jet fuel and light hydrogenated lube base oil) from the 300 kt/a lube isodewaxing unit of SINOPEC Shanghai Gaoqiao Company were reviewed and a proposal for optimizing utilization of these fractions was presented, such as producing AR petroleum ether from naphtha; superior odorless kerosene and rolling oil of aluminum foil from jet fuel fraction; transformer oil, high quality white oil and jelly wax from light base oil fraction.

对中国石化上海高桥分公司300kt/a润滑油异构脱蜡装置生产的石脑油馏分、喷气燃料馏分及轻质加氢基础油性质进行试验分析，提出合理的利用方案，其中石脑油馏分可生产分析纯石油醚，喷气燃料馏分可生产特种煤油与铝箔轧制油，轻质加氢基础油可生产变压器油、高档白油以及果冻蜡。

Among several neutral oils, transformer oil shows the best agglomeration effect. For the complex tailings, in which over 90% of molybdenum distributed in the range of -0.038 mm, the optimal dosage of transformer oil and frother was about 12 kg/t and 0.5 kg/t respectively, and the least agitation time and rate should above 3 min and 400 r/min, respectively.

结果表明，在众多中性油中，变压器油表现出了较好的油团聚浮选效果，对于钼金属分布率高于90%的-0.038mm粒级的浮选尾矿，其合适用量需达到12kg/t左右，与之配合的起泡剂用量在0.5kg/t左右，油团聚时间及搅拌强度分别需达到3min和400r/min以上。

Main research content includes:1 The relationship between common faults and the dissolved gases in the transformer oil are analyzed. Been exposed to the effects of heat and electricity, the oil and the organic insulation material of the oil-filled transformer which is running will be aged and decomposed gradually, several kinds of gases will be produced, moreover the components and contents of dissolved gases are tied up to the type and degree of the fault.

主要研究内容有：①电力变压器运行中常见故障与油中气体关系研究，对于运行中的充油变压器：在热和电的作用下，变压器油和有机绝缘材料将逐渐老化和分解，产生多种特征气体，而特征气体的组分含量与故障类型及故障严重程度有非常密切的关系，变压器油中溶解气体的成分和含量能有效体现运行变压器内部的绝缘故障情况。

Be based on the daily supervisory data of transformer oil, forecast the puncture voltage of transformer oil, what will be transformer breakdown is inchoate diagnose, forecast the scientific basis with be on guard to be offerred with seasonable processing important.

基于变压器油的日常监督数据，猜测变压器油的击穿电压，将为变压器故障的早期诊断、猜测防范和及时处理提供重要的科学依据。

Corporation manages the oil quality type to include: The hydraulic fluid vehicles gear oil industry gear oil transformer oil/electric insulation oil motor oil refrigerator oil spindle oil circulation machine oil spark machine oil quenching oil engine bed guide rail oil heat conduction oil/heat transfer oil technical grade white oil put on make-up the level white oil formation processing oil stretch soap carburetion emulsified oil cutting compound/glossy to grease the turbine oil power oil air pressure machine oil cutting oil industrial gasoline to make articles out of plaited bamboo oil, diluent, petroleum and so on.

公司经营油品种类有：液压油车辆齿轮油工业齿轮油变压器油/电绝缘油发动机油冷冻机油锭子油循环机油火花机油淬火油机床导轨油导热油/传热油工业级白油化妆级白油成型加工油拉伸油皂化油乳化油切削液/油润滑脂汽轮机油传动油空压机油切削油工业汽油扎制油、稀释剂、煤油等等。

The components and contents of gases dissolved in transformer oil can be used to reflects internal insulation faults of operating transformer.2Through studying the three-ratio method which is the common transformer faults diagnosing method, thought it is very accurate, it is inability to faults diagnose of electrical equipment such as transformer that the fault reason, phenomenon and principle coexist indeterminacy ect.

2通过对判断变压器故障常用的三比值法的分析，指出其诊断准确率高，但对故障原因、故障现象和故障机理间同时存在不确定性的变压器等电气设备的故障诊断，显得无能为力，难以满足工程应用的需要。

The conclusion that dissolved gases in gas composition and content of transformer could embody the inside of the transformer"s situation about "the insulation fault effectively is concluded.In the research of power equipment fault diagnosis based dissolved gases in transformer oil, the fault type increase clearly with the fault development. Traditional way is inability to faults diagnose of electrical equipment such as transformer that the fault reason, phenomenon and principle are indeterminacy etc.

在以油中溶解气体分析电气设备故障的模式识别研究中，当故障进一步发展，待判别的类型将显著增加，由于传统的诊断方法缺乏对样本数据的科学分析，不能够真实体现特征量数据的规律，将不可避免的面临准确率下降的问题，且不可能提供类间相互关系或演变过程的信息，因此用新的诊断方法来解决此类问题十分必要；本文在对目前变压器内部绝缘故障常用诊断方法总结分析的基础上，利用模糊数学的思想，提出以油中溶解气体为特征量，采用模糊聚类的方法对变压器内部绝缘故障进行诊断。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。