by using a ZYD vacuum oil filter machine,5 important indicators of transformer oil you should know

When do we need to use the vacuum oil filter machine, you need to know the following five indicators of transformer oil.
 
CHONGQING, China - July 5, 2021 - PRLog -- When do we need to use the vacuum oil filter machine, you need to know the following five indicators of transformer oil.

The transformers of power substations are generally distributed in the open air for better heat dissipation and convenient installation. As exposed to hot and humid air, and the transformer itself needs to be circulation cooling by electric insulation oil, the insulation oil will gradually age in the process of work.

As a result, the cooling and insulating effect are not working well. In order to prevent oil deterioration and ensure the safe operation of the transformer, regular oil sample analysis is necessary. The regular inspection items of the transformer include acid value, water-soluble acid, flash point, and breakdown voltage of its external shape. The purpose of regular purification and filtration of the transformer is to remove water and impurities in the oil, so as to improve the strength of the resistance value.

1.The ultimate acid value is greater than 0.1mgKOH/g. There are 3 possible reasons for the limit: overload, antioxidant consumption, and oil pollution. The most effective method can be taken to exceed the limit of acid value: by using a transformer vacuum oil filter machine, the oxide produced in the operation of insulating oil is adsorbed and purified to achieve balanced antioxidant content.

2.The super-limit of water-soluble acid is less than 4.2. The reasons are oil aging and oil pollution. In addition to the limitation of water-soluble acids, the following actions can be taken: the increasing number of tests and comparing the causation with acid values. A lot of work has to be done like regenerate oil or change oil if it makes economic sense.

3.The breakdown voltage limit is less than 20KV. The reasons are too much water in the oil, or oil pollution with impurity particles. The following actions can be taken when the breakdown voltage exceeds the limit: find the reason, and carry out vacuum oil filter treatment, frame pressure type oil filter treatment, or change the oil. Generally using ZYD vacuum oil filter machine (https://www.assenpe.com/zyd-transformer-oil-filtration-ma...) demand is greater than the breakdown voltage 50kv.

Assen company is one of the most reliable and most professional oil purifier products manufacturers in China, we pay attention to quality, control costs, and we can provide the most competitive oil cleaning equipment for customers.  For any requirements, please contact: sales@assenpe.com  +86-23-88703683

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