变压器油补油换油的原则是什么? - 山东变压器油哪家好

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变压器油补油换油的原则是什么?

发布时间2019-05-11  来源:http://www.wunqdctk.com

变压器油的质量请求主要有:
  Transformer oil quality requirements mainly include:
  1、要有良好的电气绝缘性能,绝缘强度高,介质损失较小;
  1. It should have good electrical insulation performance, high insulation strength and low dielectric loss.
  2、粘度小,散热快,冷却性能好,能将变压器在运转中产生的热传导进来;
  2. Low viscosity, fast heat dissipation and good cooling performance, which can transfer heat generated by transformer in operation.
  3、抗氧化安定性好,运用寿命长;
  3. It has good antioxidant stability and long service life.
  4、凝点低,有较好的低温活动性;
  4. Low freezing point and good low temperature activity.
  5、闪点高,蒸发性小,以保证在运转的温度下(最高可达90℃左右)能平安工作。
  5. High flash point and low evaporation to ensure safe operation at operating temperature (up to about 90 C).
  由于变压器运转时间很长,补油是难免的。同时,设备在停止检修后停止换油也是存在的。
  Because the transformer runs for a long time, it is unavoidable to replenish oil. At the same time, the equipment stops changing oil after stopping maintenance.
  因而,变压器油的补油与换油应遵照GB/T14542-2000《运转中变压器油维护管理导则》,其要点如下:
  Therefore, the oil replenishment and replacement of transformer oil should comply with GB/T14542-2000 Guidelines for Maintenance and Management of Transformer Oil in Operation. The main points are as follows:
  1、电气设备充油缺乏需求补充油时,应优先选用契合相关新油规范的、未运用过的变压器油。最好补加同一油基、同一牌号及同一添加剂类型的油品。补加油品的各项特性指标都应不低于设备内的油。当新油补加量较少时,例如小于5%时,通常不会呈现任何问题;但假如新油的补加量较多,在补油前应先做油泥析出实验,确认无油泥析出,酸值、介质损耗因数值不大于设备内油时,方可停止补油。
  1. Transformer oils that are in conformity with relevant new oil specifications and have not been used should be preferentially selected when oil filling of electrical equipment is short of supplementary oil. It is better to add the same oil base, the same brand and the same type of additive. The characteristics of refueling products should be no less than that of the oil in the equipment. When the amount of new oil is small, such as less than 5%, there is usually no problem. However, if the amount of new oil is large, the sludge precipitation test should be done before the oil is filled. It is confirmed that there is no sludge precipitation. Only when the acid value and medium loss factor are not greater than the oil in the equipment, can the oil be stopped.
  2、不同油基的油准绳上不宜混合运用。
  2. It is not suitable to mix different oil base oil standards.
  在特殊状况下,如需将不同牌号的新油混合运用,应按混合油的实测凝点决议能否适于此地域的请求,然后停止混油实验,并且混合样品的结果应不比最差的单个油样差。
山东变压器油
  Under special conditions, if new oils of different grades are to be mixed, the actual solidification point of the mixture should be determined to suit the requirements of the region, and then the mixed oil experiment should be stopped, and the results of the mixed samples should not be worse than that of the worst single oil sample.
  如在运转油中混入不同牌号的新油或已运用过的油,除应事前测定混合油的凝点以外,还应停止老化实验和油泥实验,并察看油泥析出状况,无沉淀方可运用,所取得的混合样品的结果应不比原运转的油的差,才干决议可混合运用。
  If new or used oils of different grades are mixed in the running oils, besides determining the freezing point of the mixture beforehand, the aging and sludge tests should be stopped, and the sludge precipitation condition should be observed. No precipitation can be used. The results of the mixed samples obtained should be no worse than those of the original running oils, and the ability to decide on the mixing application should be adopted.
  关于进口油或产地、消费厂家来源不明的油,准绳上不能与不同牌号的运转油混合运用,当必需混用时,应预先对混用前的油及混合后的油停止老化实验,在无油泥沉淀析出的状况下,混合油的质量应不低于原运转油时,方可混合运用;若相混的都是新油,其混合的质量应不低于最差的一种油,并需求按实测凝点决议能否能够适于该地域运用。
  With regard to imported oil or oil of unknown origin from consumers, it should not be mixed with different grades of running oil on the criterion. When it is necessary to mix, the aging test of mixed oil and mixed oil should be stopped beforehand. In the absence of sludge precipitation, the quality of mixed oil should not be lower than that of original running oil before mixing; if all the mixed oils are new oils, they can be mixed. The quality should be no less than the worst kind of oil, and the demand should be determined according to the measured condensation point whether it can be suitable for use in the region.
  在停止混油实验时,油样的混合比应与实践运用的比例相同;假如混油比无法肯定时,则采用1:1质量比例混合停止实验。
  When stopping the mixing experiment, the mixing ratio of the oil sample should be the same as that used in practice; if the mixing ratio is uncertain, the 1:1 mass ratio should be used to stop the experiment.
  3、换油留意事项:根本上与补油请求相同,但应尽量把变压器油放净,以免新油质量降落。
  3. Notes for oil change: fundamentally the same as the request for oil replenishment, but transformer oil should be cleaned as far as possible, so as not to reduce the quality of new oil.
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