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Performance of high-voltage direct current (HVDC) systems -- Part 1: Steady-state conditions
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Basic data | Standard ID | GB/Z 20996.1-2007 (GB/Z20996.1-2007) | | Description (Translated English) | Performance of high-voltage direct current (HVDC) systems -- Part 1: Steady-state conditions | | Sector / Industry | National Standard | | Classification of Chinese Standard | K46 | | Classification of International Standard | 29.200; 29.240.99 | | Word Count Estimation | 51,575 | | Date of Issue | 2007-06-21 | | Date of Implementation | 2008-02-01 | | Adopted Standard | IEC/TR 60919-1-1988, IDT | | Regulation (derived from) | ?National Standard Announcement 2007 No.6 (Total No.106) (National-Standard-Commission) | | Issuing agency(ies) | Ministry of Health of the People's Republic of China | | Summary | This standard specifies performance requirements for high-voltage direct current steady-state system. This section deals with the use of two-phase converter bridge consisting of l2 Pulse (pulsating) inverter (see Figure l) the steady-state performance at both ends of HVDC systems, it does not include multi-terminal HVDC systems. Converter stations at both ends of the thyristor valves are considered as the semiconductor converter valve, and the ability to convey the power of two-way. This section does not consider the case of the diode commutation valve. GB/Z 20996 consists of three parts. Steady Part 1, Part 2 failures and operational, Part 3 dynamic. In the formulation and preparation process has three parts to avoid a repeat. Therefore, when the user intends to develop HVDC ends specifications, the entire contents of the three reference parts. The various components of the system, should pay attention to the difference between the system and equipment design and performance specifications between norms. This section does not provide equipment specifications and test requirements. But rather focuses on the technical requirements that affect system performance. This section also does not include detailed seismic performance requirements. In addition, different HVDC systems may exist many differences, there is no discussion in this section of this detail, therefore, this section should not be used directly as the technical specifications for a specific project. However, you can take this as a basis for the preparation of a specific transmission system to meet the technical specifications required by the actual system. Content in this section is no distinction between the user and the manufacturer's responsibility. Typically, for a specific project at both ends of the HVDC converter station, its performance specification should be written as a whole. | GBZ20996.1-2007: Performance of high-voltage direct current (HVDC) systems -- Part 1: Steady-state conditions
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GB /Z 20996.1-2007
Performance of high-voltage direct current (HVDC) systems.Part 1. Steady-state conditions
ICS 29.200; 29.240.99
K46
National Standardization Technical Document of the People's Republic of China
GB /Z20996.1-2007/IEC /TR60919-1.1988
High-voltage DC system performance
Part 1. Steady state
(IEC /T R60919-1. 1988, IDT)
Released on.2007-06-21
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
China National Standardization Administration issued
Content
Foreword III
Introduction IV
1 General 1
2 High-voltage DC system steady-state performance specification overview 2
3 Types of high voltage DC systems 2
4 Environmental conditions 5
5 rated power, rated voltage and rated current 7
6 Overload and equipment capacity 7
7 Minimum delivery power and no-load standby status 9
8 AC system 10
9 reactive power 11
10 DC transmission line, grounding line and grounding pole 13
11 Reliability 14
12 Control and Measurement 16
13 Telecontrol 19
14 auxiliary power supply 21
15 audible noise 23
16 AC side harmonic interference 24
17 DC side harmonic interference 26
18 Power Line Carrier (PLC) Interference 30
19 Radio interference 30
20 loss 32
21 Preparation for the expansion of HVDC transmission system 33
Figure 1 12 pulse wave converter 34
Figure 2 Back-to-back DC system example 34
Figure 3 Single Maximal Loop 35
Figure 4 Two 12-pulse converters in series 35
Figure 5 Two 12-pulse converters in parallel 36
Figure 6 Unipolar metal loop system 36
Figure 7 Bipolar system 37
Figure 8 Non-faulty metal loop operation in a bipolar system 37
Figure 9 Bipolar metal loop system 38
Figure 10 DC line to inverter pole switching 38
Figure 11 Converter DC side switching 39
Figure 12 Switching of DC overhead lines and cables 39
Figure 13 Switching between two bipolar inverters and two bipolar lines 40
Figure 14 Switching between DC lines 41
GB /Z20996.1-2007/IEC /TR60919-1.1988
Figure 15 Variation of the reactive power Q of the HVDC converter with the active power P 41
Figure 16 Control System Hierarchy 42
Figure 17 Inverter Voltage-Current Characteristics 43
Figure 18 Example of AC filter connection mode for bipolar HVDC system 43
Figure 19 Different types of filter wiring 44
Figure 20 Typical converter noise level on a DC line 44
Figure 21 Expansion of the converter bridge 45
Table 1 Environmental conditions information to be provided for each HVDC converter station 5
Table 2 Performance requirements for voice communication lines ( subscriber line and trunk line) 27
GB /Z20996.1-2007/IEC /TR60919-1.1988
Foreword
GB /Z20996 "Performance of HVDC System" is a national standardization technical document, which includes the following three parts.
Part 1. Steady state;
Part 2. Faults and operations;
Part 3. Dynamic.
This part is the first part, equivalent to IEC /T R60919-1.1988 "Performance of HVDC system Part 1. Steady state", there are
The technical content and requirements are identical. Since the IEC document has been published for nearly 20 years, the format and current
There are big differences in China's national standards. This part is written in accordance with the format specified in GB/T 1.1-2000 of China. For example in the original
In the normative references of IEC /T R60919-1.1988, the large number of documents cited are not substantially referenced in the text. According to our country
According to the family standard, this part of the document cannot be regarded as a normative reference document. Therefore, in the normative references in this section, it will not be
All files referenced in the body are deleted. In addition, the changes and differences made to IEC /T R60919-1.1998 are in the text 11.1 and
16.3 is marked in the form of a footnote.
This part was proposed by China Electrical Equipment Industry Association.
This part is under the jurisdiction of the National Power Electronics Standardization Technical Committee (SAC/TC60).
This section is responsible for drafting units. China Electric Power Research Institute, Xi'an Power Electronics Technology Research Institute.
Participated in the drafting of this section. Xi'an High Voltage Electrical Apparatus Research Institute, Beijing Netcom DC Transmission Engineering Technology Co., Ltd., Xi'an Xidian Power
Rectifier Co., Ltd., China Southern Power Grid Technology Research Center, Beijing Institute of Electrical and Mechanical Technology, Machinery Industry.
The main drafters of this section. Zhao Yijun, Lu Jianqiu, Zheng Jun, Ma Weimin, Li Bin, Li Xiaolin, Zeng Nanchao, Zhou Guanyun, Zhang Wanrong, Fang Xiaoyan,
Tao Yu, Wang Mingxin, Liu Ning, Wei Hongqi.
This section is the first release.
This part is explained by the National Power Electronics Standardization Technical Committee.
GB /Z20996.1-2007/IEC /TR60919-1.1988
Introduction
In the construction of China's power grid, high-voltage direct current transmission has a very broad development prospect for long-distance power transmission and large-area networking.
An important means to solve high voltage, large capacity, long distance power transmission and asynchronous networking. According to the actual needs of China's DC transmission project and high voltage straight
The development of the trend of the power transmission technology is based on the digestion and absorption of imported technologies, the construction experience of domestic DC transmission projects and the independent development of equipment.
On the basis of research, the national standard system for high-voltage direct current transmission equipment is formulated. Content includes basic standards, main equipment standards, and control and protection equipment
standard. The project has completed or is in the process of developing a total of 19 national standards.
(1) "The first part of the performance of the high-voltage DC system"
(2) "The second part of the performance and performance of the high-voltage DC system"
(3) "The third part of the performance of high-voltage DC system"
(4) "Insulation coordination procedure for HVDC converter station"
(5) "Determination of loss of high-voltage DC converter station"
(6) "Conversion transformer for the second part of high-voltage direct current transmission"
(7) Technical parameters and requirements for oil-immersed converter transformers for HVDC transmission
(8) "Oil-immersed smoothing reactor for HVDC transmission"
(9) Technical parameters and requirements for oil-immersed smoothing reactors for HVDC transmission
(10) "Guidelines for Non-Gap Metal Oxide Arresters for HVDC Converter Stations"
(11) "Parallel capacitors and AC filter capacitors for HVDC transmission"
(12) "DC Filter Capacitor for HVDC Power Transmission"
(13) "General requirements for ordinary thyristors for HVDC transmission"
(14) "Test of Thyristor Valves for Power and Electronic Technology Static Reactive Power Compensation Devices of Transmission and Distribution Systems"
(15) "HVDC power transmission system control and protection equipment"
(16) "High-voltage DC converter station noise"
(17) "High-voltage DC bushing technical performance and test methods"
(18) "General Requirements for Photo-Controlled Thyristors for HVDC Transmission"
(19) "Guidelines for DC System Research and Equipment"
GB /Z20996.1-2007/IEC /TR60919-1.1988
High-voltage DC system performance
Part 1. Steady state
1 General
1.1 Scope
This part of GB /Z20996 provides general guidance on the steady state performance requirements of high voltage DC systems. This section deals with the adoption
Steady-state performance of a high-voltage DC system at both ends of a 12-pulse (pulsating) converter consisting of two three-phase converter bridges (see Figure 1), which does not include multiple ends
HVDC transmission system. Both ends of the converter station consider the use of a thyristor valve as a semiconductor converter valve and have the ability to transmit power in both directions.
This section does not consider the use of diode converter valves.
GB /Z20996 consists of three parts. Part 1 is steady state, Part 2 is fault and operation, Part 3 is dynamic. In the development and editing
During the writing process, it has been avoided to repeat the three parts. Therefore, when the user prepares to prepare the specifications of the high-voltage DC system at both ends,
Test the entire contents of the three parts.
Pay attention to the differences between system performance specifications and equipment design specifications for each component in the system. This section does not specify equipment technology
The technical conditions and test requirements, but focus on those technical requirements that affect the performance of the system. This section also does not include detailed seismic performance requirements.
begging. In addition, there may be many differences between different HVDC systems. This section does not discuss this in detail. Therefore, this section should not
Used directly as a technical specification for a specific engineering project. However, based on this, the specific transmission system can be programmed to meet the actual system.
The technical specifications required. The content covered in this section does not distinguish between the responsibility of the user and the manufacturer.
In general, the performance specifications of a high-voltage DC converter station at both ends of a specific project should be written as a whole. High voltage DC system
Some parts of the system can also be written separately for specification and procurement. In this case, each part must be properly considered and the entire high-voltage DC system
The coordination of performance objectives and the interface between each part and the system should be clearly defined. It is easier to divide and clarify the typical interface
Some have.
a) DC transmission line, grounding line and grounding pole;
b) telecontrol communication systems;
c) valve halls, foundations and other civil works;
d) reactive power compensation equipment, including AC shunt capacitor bank, shunt reactor, synchronous camera and static var compensator;
e) an alternating current filter;
f) DC filter;
g) ancillary systems;
h) AC switchgear;
i) DC switching equipment;
j) DC reactor;
k) converter transformer;
l) lightning arrester;
m) converter valve and its auxiliary equipment;
n) Control and protection systems.
Note. In fact, the last two separates are difficult.
1.2 Normative references
The terms in the following documents become the provisions of this part by reference to this part of GB /Z20996. Quotations with dated
And all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouragement is achieved in accordance with this section.
GB /Z20996.1-2007/IEC /TR60919-1.1988
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