GB/T 2900.50-2008 PDF English
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| GB/T 2900.50-2008 | English | 105 |
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Electrotechnical terminology -- Generation, transmission and distribution of electricity -- General
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| GB/T 2900.50-1998 | English | 599 |
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Electrotechnical terminology. Generation, transmission and distribution of electricity--General
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GB/T 2900.50-2008: Electrotechnical terminology -- Generation, transmission and distribution of electricity -- General
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT2900.50-2008
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 01.040.29
K 04
Replacing GB/T 2900.50-1998
Electrotechnical Terminology - Generation, Transmission
and Distribution of Electricity - General
(IEC 60050-601:1985, MOD)
ISSUED ON: JUNE 18, 2008
IMPLEMENTED ON: MAY 1, 2009
Issued by: General Administration of Quality Supervision, Inspection and
Quarantine of the People’s Republic of China.
Standardization Administration of the People’s Republic of China.
Table of Contents
Foreword ... 3
1 Scope ... 5
2 Terms and Definitions ... 5
2.1 Basic Terminology ... 5
2.2 System Configuration ... 8
2.3 Equipment ... 11
2.4 High-voltage DC System ... 13
Appendix A (normative) Supplementary Terminology ... 14
English Indexes ... 15
Foreword
This is Part 50 of GB/T 2900.
This Part modifies and adopts IEC 60050-601:1985 International Electrotechnical Vocabulary
- Chapter 601: Generation, Transmission and Distribution of Electricity - General, and
modifies the definitions of some terms and adds Appendix A with reference to the document
(1/1902/CD) released by the International Electrotechnical Commission in 2003.
In comparison with IEC 60050-601:1985, this Part has the following technical differences:
---601-01-33 is added.
---The definitions of 601-01-17, 601-01-10, 601-02-06, 601-02-32, 601-02-33 and 601-
03-10 are modified.
---“601-01-28 middle voltage (MV)” is deleted.
---The abbreviation of the English term “gas insulated line” in “601-03-06 gas insulated
line” does not use the original “GIC” by the IEC, instead, “GIL”, which is currently
officially adopted internationally and in China is adopted.
---In accordance with 1/1902/CD, the following terms are added:
601-02-28 circuit (in electric power systems);
601-02-29 line tap, tee point;
601-02-30 line section;
601-02-31 line segment;
601-02-32 interchange point;
601-02-33 delivery point.
---Appendix A (normative) is added, which supplements several terms regarding voltage
levels (in accordance with the terminology of electricity approved by China National
Committee for Terminology in Science and Technology).
This Part serves as a replacement for GB/T 2900.50-1998 Electrotechnical Terminology -
Generation, Transmission and Distribution of Electricity - General.
In comparison with GB/T 2900.50-1998, the main changes are as follows:
---The entry number of the terms is modified;
---The definitions of some terms are modified;
Electrotechnical Terminology - Generation, Transmission
and Distribution of Electricity - General
1 Scope
This Part specifies the terms related to the common parts in the generation, transmission and
distribution of electricity.
This Part applies to the planning, management and design of the electrical power system, as
well as the generation, transmission and distribution of electricity, etc.
2 Terms and Definitions
2.1 Basic Terminology
601-01-01 electrical power system; electricity supply system
The combination of all devices and equipment for the generation, transmission and distribution
of electricity.
601-01-02 electrical power system; electrical power network
The combination of various devices and equipment for the transmission and distribution of
electricity, and substations, electric lines or cables.
NOTE: the boundaries of each part of the electricity grid can be determined on a case-by-case basis
(for example, geographical location, ownership and voltage level, etc.).
601-01-03 alternating current system; AC system
A system powered by AC voltage.
601-01-04 direct current system; DC system
A system powered by DC voltage.
601-01-05 power frequency
The nominal frequency value of an AC power system.
601-01-06 generation of electricity
The process of converting other forms of energy into electricity.
601-01-07 conversion of electricity
change of electricity
The characteristic of changing current, voltage and frequency by a converter.
601-01-08 transformation of electricity
Transformation of electrical energy through a power transformer.
601-01-09 transmission of electricity
Transmission of electrical energy from power stations to regions where electricity is consumed.
601-01-10 distribution of electricity
Supply electricity to users in an electricity consumption region.
601-01-11 interconnection (of power systems)
Between electrical power systems, the exchange of electrical energy is carried out through the
connection of circuits and (or) converters, transformers and other equipment.
601-01-12 interconnected systems
A system, in which, several electrical power systems are connected by interconnected lines.
601-01-13 asynchronous link
A connection between AC systems operating at different frequencies.
601-01-14 short-circuit power
The product of the short-circuit current at a point in the system and the agreed voltage (usually
referred to as the operating voltage).
601-01-15 load in a system
1) active, reactive or apparent power generated, transmitted or distributed within a
system.
2) the power required by a group of users divided in accordance with their characteristics
and properties (such as: thermal load and daily reactive power load, etc.).
601-01-16 peak load
The maximum value of the load during a given period (for example, a day, a month or a year).
601-01-17 load curve
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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