Korea RRA Proposes Updates to EMC Standards for PDS and UPS
The National Radio Research Agency (RRA) is revising the EMC standards for Power Drive Systems (PDS) and Uninterruptible Power Systems (UPS) to align with international standards (IEC 61800-3 for PDS and IEC 62040-2 for UPS). Public comments will be accepted until December 28, 2026. 1. Reason for Revision The proposed revisions aim to align the EMC standards for Power Drive Systems (PDS) and Uninterruptible Power Systems (UPS) with international standards by removing certain test requirements and relaxing conducted disturbance limits. 2. Key Revisions A. Uninterruptible Power Systems (UPS) Replace the existing wording "Apply the conducted disturbance limits for multimedia equipment" with separate, relaxed limit values for each environmental category (C1, C2, and C3). Add a UPS configuration diagram showing the interfaces and ports relevant to electromagnetic immunity and other tests. Remove some of the general requirements and performance a...