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News
Why oil immersed Transformer has Oil leakage problem
April 28, 2019
Oil Leakage Fault Analysis of Distribution Transformer 1. Oil Leakage at Welding Site Mainly due to poor welding quality, virtual welding, de-welding, pinholes and sand holes in the weld, oil-immersed transformer exposes hidden dangers after operation due to the covering of flux and paint when it ...
Aging and Life Assessment of Oil-immersed Power Transformer
April 26, 2019
The aging mechanism of insulating material and factors influencing aging of oil-immersed power transformer are summarized,characteristics of aging mechanism in the courses of thermal aging,electrical aging,mechanical stress and multi- stress aging are concluded. What are the Aging reasons of Oil...
Prevention of transformer use
April 26, 2019
Transformer prevent works in using: 1. Preventing oil leakage: Oil-immersed transformer is filled with transformer oil in the tank, which is sealed by pressing oil-resistant rubber components with fasteners in assembly. Imperfect sealing is the main cause of transformer oil leakage, so special ...
The advantage & disadvantage of Transformer Oil
April 25, 2019
The advantage & disadvantage of Transformer Oil list follows: Transformer Oil Advantage: 1. Transformer cooling oil has good insulation performance, good thermal conductivity and low cost. 2. It can solve the problem of large capacity heat dissipation and high voltage insulation of transformer. ...
Preparation of Oil immersed Transformer Installation
April 25, 2019
Oil filled Distribution transformer is an important component of substation. Oil-immersed transformer is usually installed in a separate transformer room. Depending on oil as cooling medium, such as oil immersion self-cooling, oil immersion air-cooling, oil immersion water-cooling and forced oil ...
Inspection Work before Distribution Transformer Installation
April 25, 2019
Distribution Transformer Installation: When Distribution Transformer is delivered to work place, what inspection works should be done before installing. oil-immersed transformer corrugated fins production line Which inspection should be made before Distribution Transformer Installation? 1. ...
Oil filled transformer test & trial operation
April 25, 2019
After Oil immersed transformer be installed, we should do testing works as follows: 1. Telemetry of insulation resistance: (1) Telemetry project, high pressure to low pressure and ground (shell), low pressure to high pressure and ground (shell) (2)Select 2500V megohm meter, the appearance of megohm ...
Transformer Oil treatment
April 25, 2019
Transformer Cooling Oil treatment methods: 1. Pressure filtration method: Insulating oil for power transformer must have insulation and thermal conductivity (national standard) at the installation site. Pressure filtration method is commonly used to complete the general drying (removing moisture) ...
Preparation of Oil filled Distribution Transformer Installation
April 21, 2019
Oil filled Distribution transformer is an important component of substation. Oil-immersed transformer is usually installed in a separate transformer room. Depending on oil as cooling medium, such as oil immersion self-cooling, oil immersion air-cooling, oil immersion water-cooling and forced oil ...
How to choose Transformer?
April 21, 2019
The Key Selection points of Oil-Immersed Distribution Transformer. Load Properties of Distribution Transformer: 1) When there are a large number of primary or secondary loads, it is advisable to install two or more transformers. When one transformer is disconnected, the capacity of the remaining ...
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