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High voltage testing standard for power adapters

2023-10-19

Latest company news about High voltage testing standard for power adapters

The high-voltage test of a power adapter refers to conducting a voltage withstand test on the power adapter under certain voltage conditions to verify its insulation performance and high-voltage resistance. This test mainly tests whether the power adapter can work properly and does not have safety issues by applying high voltage.

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I. High voltage testing standards


1. International standards
Internationally, high-voltage testing of power adapters typically follows the following standards:
-IEC 60950-1: Security requirements suitable for use in information technology equipment (IT equipment)
-IEC 60335-1: Safety requirements for household and similar electrical equipment (household appliances)
-IEC 61558-1: Safety requirements for power transformers, power transformers, and similar equipment (transformers)
These standards specify the requirements and testing methods for the use of power adapters in different types of electrical products to ensure their safety and reliability.

 

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2. Test content
Common high-voltage testing contents for power adapters include:
-Insulation resistance test: Verify whether the insulation performance meets the standard requirements by measuring the insulation resistance of the power adapter at an appropriate voltage.
-Dielectric strength test: Apply between the input and output terminals of the power adapter under certain voltage conditions to detect whether it can withstand the predetermined high voltage value without breakdown or leakage.
-Ground resistance test: By measuring the resistance between the shell of the power adapter and the ground, to ensure good grounding and reduce the risk of leakage and electric shock.

 

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3. Testing instruments
High voltage testing of power adapters requires the use of specialized testing instruments, such as high-voltage generators, insulation resistance testers, grounding testers, etc. These instruments can provide stable high-voltage output and accurately measure parameters such as current and resistance, ensuring the reliability and accuracy of test results.

 

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II. Test results and significance


Through high-voltage testing, the test results of the power adapter can be obtained, including values such as insulation resistance, dielectric strength, and resistance to ground. These test results can intuitively reflect the safety and reliability of the power adapter, thereby ensuring the safety of users when using electrical products.


The formulation and implementation of high-voltage testing standards are of great significance for ensuring the safety of electrical products. Only by strictly adhering to high-voltage testing standards and ensuring that the power adapter passes the test can the potential risks of power adapter failures and accidents be effectively reduced, ensuring the safety and reliability of users when using electrical products.

 

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As an indispensable component of electrical products, the development and implementation of high-voltage testing standards for power adapters is crucial.

 

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