GB/T 19954.1-2016Electromagnetic compatibility - Product family standard for audio, video, audio-visual and entertainment lighting control apparatus for professional use - Part 1: Emissions (English PDF)

Foreword

GB/T 19954 "Electromagnetic compatibility - Product family standard for audio, video,

audio-visual and entertainment lighting control apparatus for professional use"

includes the following two parts.

- Part 1. Emission;

- Part 2. Immunity.

This Part is Part 1 of GB/T 19954.

This Part is drafted in accordance with the rules given in GB/T 1.1-2009.

This Part replaces GB/T 19954.1-2005 "Electromagnetic compatibility - Product family

standard for audio, video, audio-visual and entertainment lighting control apparatus for

professional use - Part 1. Emissions".

Main changes in this Part compared with GB/T 19954.1-2005 are as follows.

- MODIFY the normative references;

- ADD definitions, requirements and measurement methods for telecommunications

or network ports in Clause 3 Terms and definitions, Clause 5 Disturbance

phenomenon and Clause 6 Emission limits;

- ADD additional information that shall be stated by the manufacturer in Clause 8

Buyer/user documentations;

- ADJUST the location of Clause 6 Emission limits, Clause 7 Test conditions and

Clause 8 Buyer/user documentations in this Part; ADJUST the clause and article

number accordingly;

- COMBINE Table 1 and Table 2 of GB/T 19954.1-2005 INTO Table 1 in this Part.

DELETE Method B (disturbance power measurement) in disturbance

phenomenon 1;

- MODIFY Annex B (normative) Measurement method for inrush current;

- ADD Annex C (normative) Measurement method for telecommunication/network

port conducted emission;

- DELETE Annex F (informative) Replaced test methods for signal, control and DC

power supply port conducted emission in the frequency range of 0.15 MHz to 30

MHz;

- MODIFY Annex G (informative) Inrush current limits of "thermal switch".

This Part is proposed by the 3rd Research Institute of China Electronics Technology

Group Corporation.

This Part is under the jurisdiction of the National Technical Committee on Radio

Interference of Standardization Administration of China (SAC/TC 79).

Drafting organizations of this Part. 3rd Research Institute of China Electronics

Technology Group Corporation, China Quality Certification Center, Nanjing Rongxiang

Test Equipment Co., Ltd.

Main drafters of this Part. Xu Wei, Ding Shaohua, Shen Xueqi, Lin Jingping, Zhu Lin,

Guo Xiaoqi.

The previous edition of the standard replaced by this this standard is as follow.

- GB/T 19954.1-2005.

Electromagnetic compatibility - Product family

standard for audio, video, audio-visual and

entertainment lighting control apparatus for

professional use - Part 1. Emissions

1 Scope

This Part of GB/T 19554 specifies the limits and measurement methods of the

apparatus covered by the applicable scope, which relate to the requirements of

continuous and transient disturbances, conducted and radiated disturbances, which

are the necessary electromagnetic compatibility requirements.

This Part applies to audio, video, audio-visual and entertainment lighting control

apparatus for professional use as defined in Clause 3 and apparatus used in the

electromagnetic environment described in Clause 4, including the professional digital

apparatus defined in 3.5 and the components specified in 7.3.

This Part specifies that the disturbance signal frequency range is 0 Hz ~ 400 GHz, but

does not make the requirements for the entire frequency band. See note 2.

Annex E provides relevant information on infrared emitters with wavelengths of 0.7 µm

to 1.6 µm.

This Part does not consider conditions of disturbance source or disturbed apparatus

failure.

The apparatus defined in 3.4, 3.5 and 3.6 may be operated in any form of power supply,

including.

- public low-voltage power grids;

- independent power grids with similar characteristics;

- DC power supplies for specific apparatus;

- built-in batteries of the apparatus;

- standby generators.

Some of the standards referenced in this Part may not apply to independent low-

voltage power grids.

NOTE 1. In special cases, such as when an apparatus is in close proximity to a high-sensitivity

apparatus, the limits shall be tightened and additional measurements shall be made to limit its

electromagnetic emissions.

Professional user receiving apparatus may be very sensitive to disturbance. See

Annex F for relevant information.

This Part does not apply to.

- consumer electronics products;

- specially designed security system apparatus;

- emission apparatus designed for wireless communications.

NOTE 2. In order to avoid interference, the manufacturer shall consider the characteristics of

other apparatuses that may be in the same environment, to determine whether it is necessary

to set the emission limits in an additional frequency range.

2 Normative references

The following referenced documents are indispensable for the application of this

document. For dated references, only the edition cited applies. For undated references,

the latest edition of the referenced document (including any amendments) applies.

GB 4343.1 Electromagnetic compatibility - Requirements for household appliances

electric tools and similar apparatus - Part 1. Emission

GB 4343.2 Electromagnetic compatibility - Requirements for household appliances

electric tools and similar apparatus - Part 2. Immunity - Product family standard

GB/T 4365 Electrotechnical terminology - Electromagnetic compatibility

GB 9254 Information technology equipment - Radio disturbance characteristics -

Limits and methods of measurement

GB 10963.1 Electrical accessories - Circuit-breakers for overcurrent protection for

household and similar installation - Part 1. Circuit-breakers for a.c. operation

GB 10963.2 Circuit-breakers for overcurrent protection for household and similar

installation - Part 2. Circuit-breakers for a.c. and d.c. operation

GB/T 12060.3 Sound system equipment - Part 3. Methods of measurement on

audio amplifiers

GB 13837 Sound and television broadcast receivers and associated equipment -

Radio disturbance characteristics - Limits and methods of measurement

GB 17625.1 Electromagnetic compatibility - Limits - Limits for harmonic current

emissions (equipment input current <= 16 A per phase)

GB 17625.2-2007 Electromagnetic compatibility (EMC) - Limits - Limitation of

voltage changes, voltage fluctuations and flicker in public low-voltage supply

systems, for equipment with rated current <= 16 A per phase and not subject to

conditional connection

GB/T 17625.7 Electromagnetic compatibility - Limits - Limitation of voltage changes,

voltage fluctuations and flicker in public low-voltage supply systems for equipment

with rated current <= 75 A and subject to conditional connection

GB 17799.4 Electromagnetic compatib...

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