The protection level refers to the level divided according to the dustproof, waterproof, and anti-collision performance of the generator matching the wind turbine. It is a parameter often involved in the technical parameters of generators. The IP protection level is composed of two numbers. The first number represents the level of dust separation and intrusion prevention of the lamp, while the second number represents the airtightness of the lamp against moisture and water intrusion. The larger the number, the higher the protection level.
Meaning of the first number:
0: No protection, no special protection.
1: Protect solids larger than 50mm to prevent solid foreign matters with a diameter larger than 50mm from entering the shell. It can prevent a large area of the human body (such as the hand) from accidentally or accidentally touching electrically charged or moving parts within the shell, but it cannot prevent conscious access to these parts.
2: Protect solids larger than 12mm to prevent solid foreign matters with a diameter larger than 12mm from entering the shell. It can prevent fingers from touching live or moving parts inside the shell.
3: Protect solids larger than 2.5mm and prevent solid foreign matters with a diameter larger than 2.5mm from entering the shell. It can prevent tools, metal wires, etc. with a thickness or diameter greater than 2.5 mm from touching the live or moving parts inside the shell.
4: Protect solids with a diameter greater than 1mm from entering the shell. It can prevent wires or strips with a diameter or thickness greater than 1mm from touching the live or running parts inside the shell.
5: Dust prevention, which can prevent dust from entering to the extent that it affects the normal operation of the product, and completely prevent touching the live or moving parts inside the shell.
6: Dust tight, completely preventing dust from entering the shell, and completely preventing contact with live or moving parts inside the shell
Meaning of the second number:
0: No protection, no special protection.
1: Anti dripping, vertical dripping should not directly enter the interior of the motor.
2: 15o anti dripping, water falling within the range of 15o angle from the plumb line should not directly enter the interior of the motor.
3: Anti water spraying. Water spraying within a 60O angle range from the vertical line should not directly enter the interior of the motor.
4: Anti splash, splashing water in any direction should have no harmful impact on the motor.
5: Anti water spraying, water spraying in any direction should have no harmful impact on the motor.
6: Prevent sea waves or impose water spray. Strong sea waves or strong water spray should have no harmful impact on the motor.
7: Immersion: The motor is immersed in water under the specified pressure and time, and its water intake should have no harmful impact.
8: For diving, the motor is immersed in water for a long time under a specified pressure, and its water intake should have no harmful impact.
The commonly used protection levels in motor applications include IP11, IP21, IP22, IP23, IP44, IP54, IP55, etc.
The protection level of a generator set needs to be determined based on its operating environment. For example, the factory standard for the protection level of land generators is IP21. If a generator with a higher protection level is required, it can be customized to the generator manufacturer.
For example, if a marine generator is installed in the cabin, the protection level of IP23 is sufficient. If the protection level is IP24 or higher, it will increase space and cost, but if it is installed on the deck, the protection level needs to be considered as a higher level. At the same time, the shell may also need to be made of stainless steel to better achieve waterproof and salt fog prevention effects.
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