Requirements and application status of Dry Transformer

Dry Transformer is wide utilized in native lighting, high-rise buildings, airports, terminal CNC machinery instrumentality, and different places. Simply put, a Dry Transformer refers to an electrical device whose core and windings aren't immersed in insulating oil. What are the requirements and application status of the Dry Transformer? Here are some answers.

Here is the content list:

• The requirements that the Dry Transformer should meet.

• An application status of Dry Transformer.

The requirements that the Dry Transformer should meet.

First, when the Dry Transformer is installed side by side with the low-voltage power distribution cabinet, the protection level of its enclosure shall not be lower than IP3X, and when installed separately, it shall not be lower than IP2X. Second, there is no trace of spark discharge on the surface of the iron core and bushing. Third, there is no damage or crack on the outside of the casing and insulator. Fourth, the Dry Transformer winding casting body has no cracks and attached dirt. Fifth, there is no serious dirt accumulation on the surface of the iron core and casing. Sixth, the Dry Transformer sounds normal.

An application status of Dry Transformer.

Because Dry Transformer does not have oil, there is no fire, explosion, pollution, etc. Therefore, electrical codes and regulations do not require Dry Transformers to be placed in a separate room. Loss and noise are reduced to a replacement level, making conditions for the electrical device and low-tension panel to be placed within the same power distribution space.

The Dry Transformer is a very important instrumentality of the facility system of offshore oil platforms, and its safe and reliable operation is the key to the operation of the facility system. A Dry Transformer is prone to insulation partial discharge and local overheating in a humid salt fog marine environment. The application of the Dry Transformer online observance system will effectively notice the net observance of the electrical device standing and make sure the stable operation of the facility system of the offshore oil platform.

The annual output of China's resin insulation Dry Transformer has reached 10,000MVA, making it one of the countries with the largest production and sales of Dry Transformer in the world. Dry Transformer is currently widely utilized in the majority of electrical applications like power stations, factories, and hospitals. With the promotion and application of SC(B)9 series with low noise (distribution transformer noise below 2500kVA has been controlled within 50dB) and energy-saving (no-load loss reduced by 25%), the performance indicators and manufacturing technology of China Dry Transformer Has reached the world's advanced level.

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