YD/T 991-2012
Limits and methods of measurement of electromagnetic compatibility for communication instruments (English Version)

Standard No.

YD/T 991-2012

Language

Chinese, Available in English version

Release Date

2012

Published By

Professional Standard - Post and Telecommunication

Latest

YD/T 991-2012

Replace

YD/T 991-1998

Scope

This standard specifies the electromagnetic compatibility (EMC) requirements for communication instruments, including limits, performance criteria and measurement methods. This standard applies to various types of communication instruments.

YD/T 991-2012 Referenced Document

• GB 17625.1 Electromagnetic compatibility—Limits—Part 1: Limits for harmonic current emissions (equipment input current ≤ 16A per phase)*， 2022-12-29 Update
• GB 17625.2 Electromagnetic compatibility (EMC).Limits.Limitation of voltage changes, voltage fluctuations and flicker in public low-voltage supply systems, for equipment with rated current ≤16A per phase and not subject to conditional connection
• GB 9254-2008 Limits and methods of measurement of radio disturbance for information technology equipment
• GB/T 17626.11 Electromagnetic Compatibility Testing and Measurement Techniques Part 11: Voltage Dips, Short Interruptions and Voltage Variation Immunity Tests for Equipment with Input Current Less than or Equal to 16 A per Phase*， 2023-05-23 Update
• GB/T 17626.2 Electromagnetic compatibility.Testing and measurement techniques.Electrostatic discharge immunity test*， 2018-06-07 Update
• GB/T 17626.29 Electromagnetic compatibility Testing and measurement techniques Voltage dips， short interruptions and voltage variations on d.c.input power port immunity tests
• GB/T 17626.3 Electromagnetic compatibility test and measurement technology Part 3: Radio frequency electromagnetic field radiation immunity test*， 2023-12-28 Update
• GB/T 17626.4 Electromagnetic compatibility－Testing and measurement techniques－Electrical fast transient/burst immunity test*， 2018-06-07 Update
• GB/T 17626.5 Electromagnetic compatibility—Testing and measurement techniques－Surge immunity test*， 2019-06-04 Update
• GB/T 17626.6 Electromagnetic compatibility—Testing and measurement techniques—Immunity to conducted disturbances,induced by radio-frequency fields*， 2017-12-29 Update
• GB/T 17626.8 Electromagnetic compatibility Testing and measurement techniques Power frequency magnetic field immunity test

YD/T 991-2012 history

• 2012 YD/T 991-2012 Limits and methods of measurement of electromagnetic compatibility for communication instruments
• 1998 YD/T 991-1998 Electromagnetic compatibility limit and measuring method of digital transmission analyzer