GB 17625.1-2022 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB 17625.1-2022 | English | 440 |
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Electromagnetic compatibility - Limits - Part 1: Limits for harmonic current emissions(equipment input current ≤16 A per phase)
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| GB 17625.1-2012 | English | 125 |
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Electromagnetic compatibility -- Limits -- Limits for harmonic current emissions (equipment input current 16 A per phase)
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| GB 17625.1-2003 | English | 759 |
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[Replaced by GB 17625.1-2012] Electromagnetic compatibility limits -- Limits for harmonic current emissions (equipment input current 16 A per phase)
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| GB 17625.1-1998 | English | 719 |
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The limits for the harmonic current emissions caused by low-voltage electrical and electronic equipments (equpment input current≤16 A per phase)
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GB 17625.1-2022: Electromagnetic compatibility - Limits - Part 1: Limits for harmonic current emissions(equipment input current ≤16 A per phase)
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GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 33.100.10
CC S L 06
Replacing GB 17625.1-2012
Issued on. DECEMBER 29, 2022
Implemented on. JULY 01, 2024
Issued by. State Administration for Market Regulation;
Standardization Administration of the People’s Republic of China.
Table of Contents
Foreword... 4
Introduction... 8
1 Scope... 11
2 Normative references... 11
3 Terms and definitions... 13
4 General... 19
5 Classification of equipment... 20
5.1 General... 20
5.2 Description of lighting equipment... 21
5.3 External power supplies... 22
6 General requirements... 22
6.1 General... 22
6.2 Control methods... 22
6.3 Harmonic current measurement... 24
6.3.1 Test configuration... 24
6.3.2 Measurement procedure... 24
6.3.3 General requirements... 25
6.3.4 Test observation period... 27
6.4 Equipment in a rack or case... 28
6.5 Multifunction equipment... 28
7 Harmonic current limits... 28
7.1 General... 28
7.2 Limits for Class A equipment... 30
7.3 Limits for Class B equipment... 30
7.4 Limits for Class C equipment... 31
7.4.1 General... 31
7.4.2 Rated power >25 W... 31
7.4.3 Rated power ≥5 W and ≤25 W... 32
7.5 Limits for Class D equipment... 33
8 Compliance with this document... 34
Annex A (Normative) Measurement circuit and supply source... 35
A.1 Test circuit... 35
A.2 Supply source... 35
Annex B (Normative) Type test conditions... 38
B.1 General... 38
B.2 Television receivers (TV)... 38
B.3 Audio amplifiers... 39
B.4 Video-cassette recorders... 40
B.5 Lighting equipment... 40
B.6 Independent phase control dimmers for lighting equipment... 42
B.7 Vacuum cleaners... 43
B.8 Washing machines... 43
B.9 Microwave ovens... 44
B.10 Information technology equipment (ITE)... 44
B.11 Cooking appliances... 45
B.12 Air conditioners... 46
B.13 Kitchen machines as defined in IEC 60335-2-14... 47
B.14 Arc welding equipment which is not professional equipment... 47
B.15 High pressure cleaners which are not professional equipment... 47
B.16 Refrigerators and freezers... 48
B.17 External power supplies (EPS)... 49
Annex C (Normative) POHC calculation... 51
C.1 General... 51
C.2 Calculation of the POHC from the final values of the harmonic currents, averaged over the complete observation time... 51
C.3 Calculation of the final POHC from single POHC values for each DFT time window... 51
References... 53
Foreword
This document was drafted in accordance with the rules given in GB/T 1.1-2020,
Directives for standardization - Part 1.Rules for the structure and drafting of
standardizing documents.
This document is part 1 of Electromagnetic compatibility - Limits. The following parts
have been released for GB 17625.
-- Part 1.Limits for harmonic current emissions (equipment input current ≤ 16 A per
phase);
-- Part 2.Limitation of voltage changes, voltage fluctuations and flicker in public
low-voltage supply systems, for equipment with rated current ≤16 A per phase;
-- Part 3.Limitation of voltage fluctuations and flicker in low-voltage power supply
systems for equipment with rated current greater than 16 A;
-- Part 4.Assessment of emission limits for distorting loads in MV and HV power
systems;
-- Part 5.Assessment of emission limits for fluctuating loads in MV and HV power
systems;
-- Part 6.Limitation of emission of harmonic currents in low-voltage power supply
systems for equipment with rated current greater than 16 A;
-- Part 7.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;
-- Part 8.Limits for harmonic currents produced by equipment connected to public
low-voltage systems with input current >16 A and ≤75 A per phase;
-- Part 9.Signalling on low-voltage electrical installations - Emission levels,
frequency bands and electromagnetic disturbance levels;
-- Part 13.Assessment of emission limits for the connection of unbalanced
installations to MV, HV and EHV power systems;
-- Part 14.Assessment of emission limits for harmonics, interharmonics, voltage
fluctuations and unbalance for the connection of disturbing installations to LV
power systems;
-- Part 15.Assessment of low frequency electromagnetic immunity and emission
requirements for dispersed generation systems in LV network.
This document replaces GB 17625.1-2012 Electromagnetic compatibility - Limits -
Limits for harmonic current emissions (equipment input current ≤16 A per phase).
Compared with GB 17625.1-2012, in addition to structural adjustments and editorial
changes, the main technical changes are as follows.
a) Change the scope of application, to be consistent with GB/T 17625.8, by changing
“an input current up to and including 16 A per phase” to “a rated input current up
to and including 16 A per phase” (see Clause 1; Clause 1 of the 2012 edition);
b) Add terms and definitions of “integrated lamp” and “variable speed drive”; simply
and clarify the terminology used for “lighting equipment” (see Clause 3);
c) Classify refrigerators and freezers having one or more variable-speed drives to
Class D (see 5.1);
d) Add the classification of professional luminaires for stage lighting and studios
(see 5.2);
e) Add a description for the classification of lighting equipment (see 5.2);
f) Add a description for the classification of external power supplies (see 5.3);
g) Add requirements for the multifunction equipment (see 6.5);
h) Add a threshold of 5 W under which no emission limits apply to all lighting
equipment (see 7.1);
i) Modify the requirements applying to the dimmers when operating non-
incandescent lamps (see 7.1; Clause 7 of the 2012 edition);
j) Add a clarification for lighting equipment including one control module with an
active input power ≤ 2 W (see 7.4.1);
k) Add limit requirements for Class C equipment under different rated power (see
7.4.2 and 7.4.3);
l) Modify the emission limits for lighting equipment with a rated power ≤ 25 W (see
7.4.3; 7.3 of the 2012 edition);
m) Add compliance with this document (see Clause 8);
n) Adjust the requirements for measurement equipment to Annex A (see Annex A;
Annex B of the 2012 edition);
o) Modify the test conditions for television receiver (see B.2; C.2 of the 2012 edition);
p) Modify the test conditions for lighting equipment (see B.5 and B.6; C.5 and
C.6.2012 of the 2012 edition);
q) Remove use of reference lamps and reference ballasts for the tests of lighting
equipment (see C.5.3 and C.5.4 of the 2012 edition);
r) Add the test conditions for digital load side transmission control devices (see
B.5.5);
s) Modify the test conditions for vacuum cleaner (see B.7; C.7 of the 2012 edition);
t) Modify the test conditions for washing machine (see B.8; C.8 of the 2012 edition);
u) Modify the test conditions for induction hobs, taking also into account the other
types of cooking appliances (see B.11; C.11 of the 2012 edition);
v) Modify the test conditions for arc welding equipment (see B.14; C.14 of the 2012
edition);
w) Add the test conditions for high pressure cleaner (see B.15);
x) Add the test conditions for refrigerators and freezers (see B.16);
y) Add the test conditions for external power supplies (see B.17);
z) Add the normative reference of partial odd harmonic current (see Annex C).
This document modifies and adopts IEC 61000-3-2.2020 Electromagnetic
compatibility (EMC) - Part 3-2.Limits - Limits for harmonic current emissions
(equipment input current ≤16 A per phase).
The technical differences between this document and IEC 61000-3-2.2020 and the
reasons are as follows.
-- For “professional equipment” (see 3.9) in “terms and definitions”, adopt the
definition in GB/T 4365-2003 Electrotechnical terminology - Electromagnetic
compatibility;
-- Delete “60 Hz”, “230/400 V and 240/415 V” in “General” (see 6.1), because
neither the frequency 60 Hz, nor is the voltage level “230/400 V and 240/415 V”
used in China, so the relevant parameter of 60 Hz and the voltage parameters of
“230/400 V and 240/415 V” are removed;
-- Add a situation without default conditions (see Annex B.2.2.2) in the part
“television receiver” of “type test”, to improve the operability of the test;
-- Use the normative reference GB/T 20550-2013 to replace IEC 60155.1993 in the
part “luminaire” of “type test” (see Annex B.5.3);
-- Remove “subject to approval by National Committees” in “General” of “POHC
calculation” (see Annex C.1).
The following editorial changes have been made for this document.
-- Change the standard name to “Electromagnetic compatibility - Limits - Part 1.
Limits for harmonic current emissions (equipment input current≤16 A per phase)”
to be consistent with the standard system in China;
-- Use GB/T 17626.7 to replace the informative reference IEC 61000-4-7 in Note 2
of C.1 of Annex C, and add it to the references.
Please note that some of the contents of this document may involve patents. The issuing
organization of this document is not responsible for identifying patents.
This document shall be under the jurisdiction of Standardization Administration of the
People’s Republic of China.
The previous versions of this document and the documents which are replaced by this
document are as follows.
This document was published in 1998 for the first time, and revised in 2003 for the first
time and in 2012 for the second time; this is the third revision.
1 Scope
This document deals with the limitation of harmonic currents injected into the public
supply system.
This document specifies limits of harmonic components of the input current which can
be produced by equipment tested under specified conditions.
2 Normative references
The following documents are referred to in the text in such a way that some or all of
their content constitutes requirements of this document. For dated references, only the
version corresponding to that date is applicable to this document; for undated references,
the latest version (including all amendments) is applicable to this document.
GB/T 20550-2013, Glow-starters for fluorescent lamps (IEC 60155.2006, IDT)
GB/T 17309.1-1998, Methods of measurement on receivers for television
broadcast transmissions - Part 1.General considerations - Electrical
measurements at radio and video frequencies and measurements on displays
GB/T 12060.1-2017, Sound system equipment - Part 1.General (IEC 60268-1.1985, MOD)
3 Terms and definitions
Terms and definitions determined by IEC 60050-161.1990 and the following ones are
applicable to this document.
3.1
Portable tool
Electrical tool which is hand-held during normal operation and used for a short time (a
few minutes) only.
3.2
Lamp
Light source provided with at least one cap.
4 General
The objective of this document is to set limits for harmonic emissions of equipment
within its scope, so that, with due allowance for the emissions from other equipment,
compliance with the limits ensures that harmonic disturbance levels do not exceed the
compatibility levels defined in IEC 61000-2-2.
5 Classification of equipment
For the purpose of harmonic current limitation, equipment is classified as Class A~D.
6 General requirements
The restrictions specified in 6.2 also apply to the categories of equipment listed in 7.1
for which no harmonic current limits apply.
7 Harmonic current limits
The procedure for applying the limits and assessing the results is shown in Figure 1.
For the following categories of equipment, limits are not specified in this document.
8 Compliance with this document
Unless otherwise stated, where this document gives options for evaluating harmonics
with a choice of test methods and associated limits, any one of these options may be used.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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