I think you are required to state the power consumption of every port that consumes power. If your SMPS really is 'intelligent', then the standard applies. But I wonder what the relevant definition of 'intelligent' is. There appears to be no method of measurement for IQ!

On 2024-08-22 17:53, Richard Nute wrote:

Hi Bostjan:

While this does not answer your specific questions, it may be helpful:

https://en.wikipedia.org/wiki/IEC_61850

Good luck, and best regards,

Rich

*From:*Boštjan Glavič <[email protected]>
*Sent:* Thursday, August 22, 2024 4:32 AM
*To:* [email protected]
*Subject:* [PSES] Burden test

Dear all,

Is anyone familiar with burden test according IEC 61850-3 standard? Is this test applicable for switch mode  power supply with AC input and DC output?

How to conduct the test? What is the idea of the test?

Standard is not really clear.

Thank you for your support.

Best regards,

Bostjan

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