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GB/T 16895.1-2008: Low-voltage electrical installations -- Part 1: Fundamental principles, assessment of general characteristics, definitions
Status: Valid GB/T 16895.1: Evolution and historical versions
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| GB/T 16895.1-2008 | English | 714 |
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Low-voltage electrical installations -- Part 1: Fundamental principles, assessment of general characteristics, definitions
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GB/T 16895.1-2008
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| GB 16895.1-1997 | English | 599 |
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Electrical installations of buildings. Part 1: Scope, object and fundamental principles
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GB 16895.1-1997
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PDF similar to GB/T 16895.1-2008
Basic data | Standard ID | GB/T 16895.1-2008 (GB/T16895.1-2008) | | Description (Translated English) | Low-voltage electrical installations -- Part 1: Fundamental principles, assessment of general characteristics, definitions | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Q77 | | Classification of International Standard | 91.140.50 | | Word Count Estimation | 36,362 | | Date of Issue | 2008-06-18 | | Date of Implementation | 2009-04-01 | | Older Standard (superseded by this standard) | GB 16895.1-1997 | | Adopted Standard | IEC 60364-1-2005, IDT | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 10 of 2008 (total 123) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the electrical equipment design, installation and inspection of safety rules in order to avoid the rational use of electrical devices that may occur to persons, domestic animals and property risk and harm, and to ensure the normal operation of electrical devices. This standard applies to the following electrical equipment design, installation and inspection: a) living with housing, b) commercial housing, c) public utilities with housing, d) industrial buildings, e) agricultural and horticultural buildings, f) prefabricated building things, g) RVs, RV campground and similar establishments, h) construction sites, exhibitions, fairs and other temporary facilities, electrical installations, i) Marinas, j) external lighting and similar devices (see 11. 3e), k) medical facilities, l) or vehicle can be transported John 's mounted dish, m) photovoltaic power supply system, n) low- power devices. | GB/T 16895.1-2008: Low-voltage electrical installations -- Part 1: Fundamental principles, assessment of general characteristics, definitions
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Low-voltage electrical installations Part 1. Fundamental principles, assessment of general characteristics, definitions
ICS 91.140.50
Q77
National Standards of People's Republic of China
GB/T 16895.1-2008/IEC 60364-1.2005
Replacing GB 16895.1-1997
Low-voltage electrical installations
Part 1. Basic Principles,
General characteristics of assessment and definitions
(IEC 60364-1.2005, IDT)
Posted 2009-04-01 2008-06-18 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Introduction Ⅴ
11 Scope 1
12 2 Normative references
13 Basic Principle 3
131 Security 3
131.1 Overview 3
131.2 Protection against electric shock 3
131.3 thermal effects 3
131.4 overcurrent protection 3
131.5 fault current protection 4
131.6 voltage disturbances and electromagnetic interference protection measures 4
131.7 Power interruption protection 4
132 Design 4
4 132.1 Overview
Characteristics Power 4 132.2
Nature 132.3 electricity load of 5
132.4 safety power system or standby power supply system 5
132.5 Environmental conditions 5
5 conductors cross-section 132.6
132.7 wiring and installation methods 5
Protection equipment 5 132.8
132.9 Emergency control 6
132.10 electrical isolation 6
132.11 preventing mutual harmful effects of 6
132.12 Accessibility of electrical equipment 6
Item 6 132.13 electrical installations
Select 133 electrical equipment 6
6 133.1 Overview
133.2 Characteristics 6
133.3 installation conditions 6
133.4 prevent the harmful effects of 6
Installation and inspection of electrical installations in 7134
134.1 Installation 7
First seized 134.2 7
134.3 periodic inspection 7
20 Terms and definitions 7
30 general characteristics of assessment 7
31 purpose, power and structure 7
GB/T 16895.1-2008/IEC 60364-1.2005
311 maximum demand and load varies between 7
Configuration and system grounding conductor 312 8
312.1 by current carrying conductor types determined 8
Type 312.2 9 system grounding
313 Power 22
313.1 Overview 22
Power 313.2 safety and backup systems requirements 23
314 division circuit means 23
Category 32 external influences 23
33 23 Compatibility
33.1 compatibility features 23
33.2 Electromagnetic Compatibility 23
34 Serviceability 24
35 security features 24
35.1 Overview 24
35.2 Classification 24
36 continuous power supply 24
Appendix A (Informative Appendix) GB 16895 series of standards and coding systems planning 25
Annex B (informative) --- define the selection of the GB/T 2900.71-2008 "Electrotechnical Terminology electrical device"
Term application guidelines and instructions 27
References 30
1 single-phase two-wire system 8
2 single-phase three-wire 8
3 two-phase three-wire system 8
4 three-phase three-wire 8
Figure 5 three-phase four-wire 9
6-wire 9
Figure 7 Three-wire 9
Figure 31A1 system-wide neutral conductor and protective conductor separate from the TN-S system 10
Figure 31A2 whole system will be grounded phase conductor and the protective conductor separate TN-S system 11
Figure 31A3 system-wide adoption of protective earthing conductor and a neutral conductor is not equipped with the TN-S system 11
FIG. 31B1 somewhere by means of non-electric point of the PEN separated into PE and N-phase four-wire TN-C-S system 12
FIG. 31B2 power points separated by means of PEN to PE and N of the three-phase four-wire TN-C-S system 12
FIG. 31B3 power points separated by means of PEN to PE and N single-phase two-wire system of TN-C-S system 13
FIG. 31C will be system-wide adoption and protective conductor functions combined in a neutral conductor conductor TN-C system 13
FIG. 31D electrical equipment using separate protective and neutral conductors of multiple supply TN-C-S system 14
FIG. 31E to the system-wide load two or three phase power supply not only protective conductor neutral conductor of multiple power systems TN 15
Figure 31F1 All units use a separate neutral conductor and protective conductor TT system 16
Figure 31F2 All units have a protective grounding conductor, but not distributed neutral conductor TT system 16
Figure 31G1 all exposed conductive parts connected to a centralized after the protective grounding conductor of the IT system 17
Figure 31G2 exposed conductive portion of the packet will be grounded or grounding independent IT systems 17
FIG. 31H DC TN-S system 18
GB/T 16895.1-2008/IEC 60364-1.2005
FIG. 31J DC 19 TN-C system
Figure 31K DC TN-C-S system 20
Figure 21 TT system 31L DC
Figure 31M DC IT systems 22
Figure B. 1 jib range limits 28
Table A. 1 GB 16895 series of standards coding system 25
Table A. 2 GB 16895 "low-voltage electrical installations" series of standards planning 25
GB/T 16895.1-2008/IEC 60364-1.2005
Foreword
By "low-voltage electrical installations" series of standards consists of the following general title five sections.
Part 1. Fundamental principles, assessment of general characteristics and definitions;
Part 4. Protection for safety;
Part 5. Selection and erection of electrical equipment;
Part 6. Test;
Part 7. requirements for special installations or locations.
This part is the "low-voltage electrical installations," Part 1.
This section identical with IEC 60364-1.2005 (5th edition) "low-voltage electrical installations - Part 1. Fundamental principles, assessment of general characteristics
And definition "(in English).
This part of the reg number and IEC 60364-1.2005 exactly. Given the IEC 60364-1.2005 Appendix C (informative Annex
Record) IEC 2001 is the fourth edition and structure comparison 5th edition 2005, regardless of the standard 60364-1 and change, so in mining
Be deleted when used.
This Part replaces GB 16895.1-1997 "Electrical installations of buildings Part 1. Scope, object and fundamental principles."
This section compared with GB 16895.1-1997, the main changes are.
--- In order to make the "scope" is more complete, the new external lighting and similar equipment, medical facilities, or transport apparatus moving, PV
Power supply system and the low-pressure turbine;
--- In the 131, the "basic principles", the improved electrical installations in a list of risk that may occur; moreover, an increase of
New provisions voltage disturbances and electromagnetic interference protection measures as well as to prevent the new terms of power interruption protection;
--- In the 132, the "design" aspect, added a new clause "concerning electrical installations-Files";
--- In the 134, the "installation and inspection of electrical installations", the increase of the "periodic inspection" of the new provisions;
--- Previous 312, that is, "the type of distribution system" was renamed "conductor configuration and system ground", but also includes several new
Illustration, in order to better understand the various AC and DC circuits and systems of the type currently used in the IEC and its Member States meet
To type;
--- In 33.1, the "compatibility properties", add a new item on the excessive PE conductor current;
--- Adds new 36, the "continuity of supply";
--- Appendix B and GB/T 2900.71-2008 is consistent.
This section of the "standard" refers to "low-voltage electrical installations" series.
Appendix A of this section and Appendix B is an informative annex.
This part of the National Technical Committee on Electrical Building (SAC/TC205) and focal points.
This section is responsible for drafting unit. electrical machines in Design and Research Institute.
The main drafters of this part. He Xiangkun, Wangzeng Yao, Huang Baosheng, Liu away.
This part of the standard replaces the previous editions are.
--- GB 16895.1-1997.
GB/T 16895.1-2008/IEC 60364-1.2005
Low-voltage electrical installations
Part 1. Basic Principles,
General characteristics of assessment and definitions
11 Scope 1)
1) coding system described in Appendix A.
This standard specifies the electrical equipment design, installation and inspection of safety rules in order to avoid the use of electrical devices in a reasonable may occur
For personnel, livestock and property risk and harm, and ensure the normal operation of electrical apparatus.
11.1 standard applies to the following electrical equipment design, installation and testing.
a) residential buildings;
b) commercial buildings;
c) use of public utilities Housing;
d) industrial buildings;
e) agriculture and horticulture house;
f) prefabricated buildings;
g) RV, RV camps and similar establishments;
h) construction sites; exhibitions, fairs and other temporary facilities, electrical installations;
i) marina;
j) external lighting and the like (see 11.3e);
k) medical locations;
l) of the vehicle-mounted device or transportable;
m) photovoltaic power supply system;
n) low-voltage power equipment.
Note. The "House" contains ground, and includes all the facilities and buildings.
11.2 criteria include.
a) The nominal voltage of 1000V AC or DC 1500V and below and below the power supply circuit;
The preferred frequency of the alternating current is considered standard 50Hz, 60Hz and 400Hz. But does not rule out as a special purpose
Use other frequencies.
b) no more than the means for generating the AC voltage 1000V, 1000V working voltage exceeds the circuit, for example, a gas discharge lamp,
Except electrostatic precipitator circuit, but the internal electrical wiring;
c) a standard electrical appliances do not have any wiring systems and cable explicitly included;
d) means all users outside the building;
e) for information and communications technology, signaling, control, and similar fixed wiring (except electrical internal wiring);
f) part of the conversion or extension affect electrical installations rebuilding or expanding existing electrical installations in part by
Note. The provisions of this standard apply to electrical installations in general, but in some cases (for example. explosive atmospheres Electrical apparatus used), in addition to complying with this standard
Provisions should be consistent with other national standards required.
11.3 standard does not apply to.
a) electric traction equipment, including rolling stock and signaling equipment;
Electrical equipment b) motor vehicles, with the exception of such equipment - Part 7 included;
GB/T 16895.1-2008/IEC 60364-1.2005
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