Press release
By using a vacuum oil filter machine,5 important indicators of transformer oil you should know
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 Assen ZYD vacuum oil filter machine demand is greater than the breakdown voltage 50kv.
4.The flash limit point is less than 130 ℃., or lower than the previous experimental value at 5 ℃. There are more than two reasons: overheating equipment or using the wrong type of oil. You can find the issue and clear the trouble, use a ZYD vacuum oil filter machine for processing, or change the oil.
5.If the oil looks opaque, impurities or suspension, the possible reasons for the unusual appearance of the oil include the presence of water, fibers, black carbon, and other solids. The following actions should be taken:
-a. The oil is fuzzy and cloudy white, which indicates that the oil contains water.
-b. The oil looks dark, even with focal flavor, it is possible that internal arc faults or partial discharge. with insulating oil vacuum regeneration plant can easily remove these substances and reduce the frequency of changing oil.
Chongqing Assen Power Equipment Co.,LTD
No.31-7 Center Plaza,Shapingba District,Chongqing,China
Tel:+86-2388703683
Email:sales@assenpe.com
Whatsapp:+86-15223801122
https://www.assenpe.com
https://www.oilrecondition.com
Chongqing Assen Power Equipment Co., Ltd is one of the most reliable and most professional oil purifier products manufacturers in China, we pay attention to quality, control costs, We can provide the most competitive oil cleaning equipment for customers.
To Provide First-class Service, To Produce First-class Goods.
Our Products & Services:
Double Stage Transformer Oil Purification System
Vacuum Lubricating Oil Purification
Vacuum Turbine Oil Conditioner
Portable Oil Purifier
Singe Stage Insulating Oil Purifier
transformer oil processing machine
Dry air generator
Sf6 gas recovery and treatment plant
Water Oil Separator
Light fuel Oil Purifier
Fully-auto Dielectric Oil Tester
Turn ratio Tester
Acid Tester
Moisture Detector
Interfacial Tension Tester
Micro Ohm Meter
VLF HI-POT Tester
[Assen e:sales(at)assenpe(dot)com mobile:+8615223801122]
Our oil purification system involves new technologies in the energy sector and industry in general. The equipment is in compliance with all relevant international standards. All products certified accordingly. Quality control complies with ISO 9001: 2001 and CE
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