What is an air-cooled module, what is a self- ...

What is an air-cooled module, what is a self-cooled module, and what is the difference

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DC screens are now widely used in community power distribution rooms, power plants or substations to provide operating power for high-voltage switchgear, and the main accessories of DC screens are naturally indispensable charging modules. As the main configuration module of the power supply, the DC panel charging module is widely used in the power supply of substations from 10kV to 330kV.

The heat dissipation modes of charging modules commonly used in DC screens are air-cooled and self-cooled. Let me introduce what is an air-cooled module, what is a self-cooled module, and what are the differences.

1. What is an air-cooled module

The air-cooled module is cooled by a fan, which is suitable for ecological places with less dust and a more stable environment. Due to the relatively short service life of the air-cooled module and the high probability of failure, its main feature is that the price is relatively favorable.

2. What is a self-cooling module

The self-cooling module adopts a natural cooling method, which cools down through the internal system, without the need for an external small fan to cool down, reducing fan noise and dust. Generally, there will be no failure in normal use. It has the characteristics of environmental protection, high efficiency and long life, and is suitable for various complex and harsh environments. The self-cooling module uses a high-tech natural cooling method, and its price is higher than that of the air-cooled method. The DC panel charging module shipped by the DC panel manufacturer usually adopts a combination of self-cooling and air-cooling for heat dissipation, and operates with self-cooling at light loads, which is in line with the actual operating conditions of the power system.

3. Product life

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The self-cooling module adopts the natural cooling method, and generally there will be no failure in normal use, while the air-cooling module cools down through the fan. After a long time, dust enters the fan or the fan is stuck, and it is easy to go out of line. In contrast, the self-cooling module Cold module product life is definitely longer.

4. Use environment

The self-cooling module has the characteristics of environmental protection, high efficiency, long life, and will not cause product failure due to dust ingress from the fan, so it can be applied to various complex and harsh environments, while the air-cooling module is different, only suitable for small dust , Ecological sites with relatively stable environment.

5. Price

The self-cooling module uses a high-tech natural cooling method, so the R&D cost is much higher, while the air-cooling module is relatively simpler, so the price of the self-cooling module must be much higher than that of the air-cooling module.

6. Market share

Due to the relatively short service life of the air-cooled module, the probability of failure is much higher than that of the self-cooled module, and the after-sales work is relatively much more. Therefore, large-scale and important projects generally use self-cooled modules and air-cooled modules in DC systems. As a result, the cold module gradually came out of the market.

Through the analysis of DC screen manufacturers, it can be concluded that whether the DC screen is an air-cooled module or a self-cooled module, it has its advantages and disadvantages. For places with high environmental requirements and harsh conditions, DC screen manufacturers recommend using self-cooling fast. For places with low environmental requirements and relatively good conditions, DC screen manufacturers recommend using air-cooled modules. Of course, DC screen manufacturers will give the most reasonable module configuration plan according to the needs and budget of users, combined with the environmental requirements of actual use, so that each user can spend the least amount of money to buy suitable products.

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