GB/T 40102-2021 PDF in English
GB/T 40102-2021 (GB/T40102-2021, GBT 40102-2021, GBT40102-2021)
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| GB/T 40102-2021 | English | 165 |
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Test code of connecting to power system for solar thermal power plants
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Standards related to (historical): GB/T 40102-2021
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GB/T 40102-2021: PDF in English (GBT 40102-2021) GB/T 40102-2021
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 27.160
CCS F 12
Test Code of Connecting to Power System for Solar
Thermal Power Plants
ISSUED ON: MAY 21, 2021
IMPLEMENTED ON: DECEMBER 1, 2021
Issued by: State Administration for Market Regulation;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative References ... 4
3 Terms and Definitions ... 4
4 Basic Rules ... 5
5 Measuring Instruments ... 5
6 Start-up and Shutdown Tests ... 5
7 Excitation System Parameter Test ... 6
8 PSS Parameter Setting Test ... 6
9 Speed Control System Parameter Test ... 6
10 Generator Leading Phase Test ... 6
11 Primary Frequency Modulation Test ... 7
12 AGC System Test ... 8
13 AVC System Test ... 9
Test Code of Connecting to Power System for Solar
Thermal Power Plants
1 Scope
This Standard specifies the methods for the start-up and shutdown test, excitation
system parameter test, power system stabilizer parameter setting test, speed control
system parameter test, generator leading phase test, primary frequency modulation
test, automatic power generation control system test and automatic voltage control
system test of connecting to power system for solar thermal power plants.
This Standard is applicable to thermal storage type of solar thermal power plants using
steam turbine generator set.
2 Normative References
The content of the following documents constitutes indispensable clauses of this
document through normative references in the text. In terms of references with a
specified date, only versions with a specified date are applicable to this document. In
terms of references without a specified date, the latest version (including all the
modifications) is applicable to this document.
GB/T 20840.2 Instrument Transformers - Part 2: Additional Requirements for Current
Transformers
GB/T 20840.3 Instrument Transformers - Part 3: Additional Requirements for Inductive
Voltage Transformers
GB/T 40103 Technical Requirement of Connecting to Power System for Solar Thermal
Power Station
DL/T 1167 Guide for Modeling Generator Excitation System
DL/T 1231 Guide for Setting Test of Power System Stabilizer
DL/T 1235 Guide for Modeling and Testing of Generator’s Prime Mover and Governor
DL/T 1523 Guide on Leading Power Factor Operation Test of Synchronous Generator
3 Terms and Definitions
The terms and definitions defined in GB/T 40103 are applicable to this document.
a) Set the generator set to enter the start-up procedure;
b) Actuate the data acquisition device;
c) Set the load; on the outlet side of the generator set, continuously measure
and record the active power of the entire start-up process;
d) Calculate the time for the load to rise to the set value.
6.2 Shutdown Test
The test shall be carried out in accordance with the following steps:
a) Start the normal shutdown procedure;
b) Actuate the data acquisition device;
c) On the outlet side of the generator set, continuously measure and record the
active power of the entire shutdown process;
d) Calculate the load reduction rate.
7 Excitation System Parameter Test
The method for the excitation system parameter test of the solar thermal generator set
shall comply with the stipulations of DL/T 1167.
8 PSS Parameter Setting Test
The method for the PSS parameter setting test of the solar thermal generator set shall
comply with the stipulations of DL/T 1231.
9 Speed Control System Parameter Test
The method for the speed control system parameter test of the solar thermal generator
set shall comply with the stipulations of DL/T 1235. The test conditions should be
30%PN, 65%PN and 90%PN.
NOTE: PN is the rated power of the generator set.
10 Generator Leading Phase Test
The method for the leading phase test of the solar thermal generator set shall comply
with the stipulations of DL/T 1523. The test conditions should be 30%PN, 65%PN and
90%PN.
12 AGC System Test
12.1 Test Conditions
Before AGC system performance test, the system shall satisfy the following conditions:
a) The error of the load command signal between the grid dispatching and the
generator set shall be within ± 0.2%; the transmission of other communication
signals shall be normal;
b) The logic of the AGC auxiliary control of the generator set shall be correct;
c) The main control systems of the generator set shall be operated in an
automatic mode. During the test, the primary frequency modulation function
of the generator set should be disenabled.
12.2 Stable Load Performance Test
The test shall be conducted in accordance with the following steps:
a) The stable load performance test shall respectively be carried out within two
load ranges: 70%PN ~ 100%PN and 20%PN ~ 40%PN;
b) It shall be ensured that within the period of 20 min before the test, and during
the test, there shall be no obvious internal and external disturbances in the
main control systems of the generator set;
c) Actuate the data acquisition device; record the output active power of the
generator set;
d) Maintain the AGC load command or the generator set’s load command
unchanged; the time length of the test shall not be less than 1 h;
e) Calculate the steady-state error of the load.
12.3 Variable load performance test
The test shall be conducted in accordance with the following steps:
a) It shall be ensured that within the period of 20 min before the test, and within
the period of 20 min after the end of the test, there shall be no obvious internal
and external disturbances in the main control systems (excluding the load
command) of the generator set;
b) The amplitude of the AGC command change shall be selected between 5%PN
~ 20%PN;
c) Actuate the data acquisition device; record the output active power of the
......
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.
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