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GB/T 19070-2017

Chinese Standard: 'GB/T 19070-2017'
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Detail Information of GB/T 19070-2017; GB/T19070-2017
Description (Translated English): Stall regulation wind turbines - Control system - Test method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: F11
Classification of International Standard: 27.180
Word Count Estimation: 14,165
Date of Issue: 2017-10-14
Date of Implementation: 2018-05-01
Drafting Organization: Beijing Kono Albert Technologies Co., Ltd., Baoding Kono Albert Controls Equipment Co., Ltd., Kono Albert Wind Systems (Beijing) Co., Ltd., Zhejiang Yunda Wind Power Co., Ltd., Xinjiang Goldwind Technology Co., Ltd., Huayi Wind Energy Co., Ltd. , Feng Electric Energy Technology Co., Ltd., Institute of Electrical Engineering, Chinese Academy of Sciences
Administrative Organization: National Wind Machinery Standardization Technical Committee (SAC/TC 50)
Proposing organization: China Machinery Industry Federation
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of PRC; China National Standardization Administration

GB/T 19070-2017
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 27.180
F 11
Replacing GB/T 19070-2003
Stall regulation wind turbines –
Control system - Test method
失速型风力发电机组 控制系统 试验方法
ISSUED ON. OCTOBER 14, 2017
IMPLEMENTED ON. MAY 1, 2018
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine of the PRC;
Standardization Administration of the PRC.
Table of Contents
Foreword ... 3 
1 Scope ... 6 
2 Normative references ... 6 
3 Terms and definitions ... 7 
4 Abbreviations ... 8 
5 Test purpose ... 8 
6 Test conditions ... 8 
7 Test content and methods ... 9 
8 Test report ... 19 
Appendix A (Normative) Instrument, meter requirements ... 20 
Appendix B (Normative) Format and content of test report ... 21 
Foreword
This Standard is drafted in accordance with the rules given in GB/T 1.1-2009.
This Standard replaces GB/T 19070-2003 “Test method for electrical controller
of wind turbine generator systems”.
As compared with GB/T 19070-2003, in addition to editorial modifications, the
main technical changes of this Standard are as follows.
- CHANGE “off-field on-line test” to “field test” (SEE 3.1; 3.2 of the 2003
version);
- DELETE “panel”, “operation panel”, USE “HMI” in this article (SEE Chapter
4 of the 2003 version);
- IMPROVE “test environment” (SEE 6.1; 6.1 of the 2003 version);
- ADJUST “general inspection” (SEE 7.1, 7.2; 7.1 of the 2003 version);
- ADD “monitoring function test” (SEE 7.3);
- ADJUST the order of control function tests (SEE 7.4, 7.5, 7.6, 7.7; 7.2 of
the 2003 version);
- In the test of automatic control function, ADD “power-on self-resetting” (SEE
7.7);
- MODIFY “soft grid-connected function test” (SEE 7.8; 7.4.1 of the 2003
version);
- MODIFY “compensation capacitor opening-closing test” (SEE 7.9; 7.4.2 of
the 2003 version);
- DELETE “small motor-large motor switch test” (SEE 7.4.3 of the 2003
version);
- DELETE “large motor-small motor switch test” (SEE 7.4.4 of the 2003
version);
- ADD “communication test” (SEE 7.10);
- ADD “supercritical value of generator speed” (SEE 7.11.2);
- DELETE “large motor grid-connected signal loss” (SEE 7.3.10 of the 2003
version);
- DELETE “small motor grid-connected signal loss” (SEE 7.3.11 of the 2003
Stall regulation wind turbines -
Control system - Test method
1 Scope
This Standard specifies the test conditions, test methods, and preparation
requirements of test report for control system of fixed-pitch stall regulation grid-
connected wind turbines.
This Standard is applicable to the control system of fixed-pitch stall regulation
wind turbines, which operates in parallel with the power grid and uses
asynchronous generator.
2 Normative references
The following documents are indispensable for the application of this document.
For the dated references, only the versions with the dates indicated are
applicable to this document. For the undated references, the latest version
(including all the amendments) are applicable to this document.
GB/T 2423.1-2008 Environmental testing - Part 2. Test methods - Tests A.
Cold
GB/T 2423.2-2008 Environmental testing - Part 2. Test methods - Tests B.
Dry heat
GB/T 2423.3-2016 Environmental testing - Part 2. Testing method - Test Cab.
Damp heat, steady state
GB/T 2900.53 Electrotechnical terminology - Wind turbine generator systems
GB/T 3797-2016 Electrical control assemblies
GB/T 11287 Relays - Part 21. Vibration, shock, bump and seismic tests on
measuring relays and protection equipment - Section one. Vibration tests
(sinusoidal)
GB/T 14537 Shock and bump tests on measuring relays and protection
equipment
GB/T 16935.1 Insulation coordination for equipment within low-voltage
systems - Part 1. Principles requirements and tests
GB/T 17626.1 Electromagnetic compatibility - Testing and measurement
techniques - Overview of immunity tests
GB/T 17626.2 Electromagnetic compatibility (EMC) - Testing and
measurement techniques - Electrostatic discharge immunity test
GB/T 17626.3 Electromagnetic compatibility - Testing and measurement
techniques - Radiated, radio-frequency, electromagnetic field immunity test
GB/T 17626.4 Electromagnetic compatibility - Testing and measurement
techniques - Electrical fast transient/burst immunity test
GB/T 17626.5 Electromagnetic compatibility - Testing and measurement
techniques - Surge immunity test
GB/T 17626.6 Electromagnetic compatibility - Testing and measurement
techniques - Immunity to conducted disturbances, induced by radio-
frequency fields
GB/T 17626.12 Electromagnetic compatibility - Testing and measurement
techniques - Ring wave immunity test
GB/T 17627.1 High-voltage test techniques for low-voltage equipment - Part
1. Definitions, test and procedure requirements
GB/T 17627.2 High-voltage test techniques for low-voltage equipment - Part
2. Measuring system and test equipment
GB/T 17949.1 Guide for measuring earth resistivity, ground impedance and
earth surface potentials of a ground system - Part 1. Normal measurements
GB/T 18451.2 Power performance measurements of electricity producing
wind turbines
GB/T 19069 Stall regulation wind turbines - Control system - Technical
condition
GB/T 19568 Wind turbines - Assembling and installation regulation
JB/T 7879 The rule for naming the product of wind energy conversion system
3 Terms and definitions
What defined in GB/T 2900.53 and GB/T 19069, and the following terms and
definitions are applicable to this document.
3.1 Field test
accordance with the provisions of 7.2 in GB/T 3797-2016.
7.2 Electrical safety test
It mainly includes. the insulation level inspection, grounding system
examination, and voltage withstand test of engine room control cabinet (box),
tower bottom control cabinet (box), and other electrical equipment. The above
examinations and tests shall be carried out in accordance with the requirements
of GB/T 16935.1, GB/T 17949.1, GB/T 17627.1, and GB/T 17627.2, respectively.
7.3 Monitoring function test
When the operating parameters and operating state of the turbines change,
through HMI, monitoring system, and other monitoring points, the correctness
of collected data is observed; to verify the integrity and reliability of the
processing by control system for the operating parameters and operating state.
According to the “operating instructions” of test turbines, by HMI, artificially
CHANGE the fault triggering limit value and resetting limit value of control
system; in turn, INSPECT whether each fault can be correctly activated and
reset. When the fault is activated, the control system shall, according to the fault
classification, accurately make the corresponding alarm or shutdown. When the
fault is reset, the control system, for the self-recoverable fault, shall be able to
restart the unit automatically. While for the non-self-recoverable fault, the
control system shall ensure that the unit cannot restart automatically.
7.4 Control function test for tower bottom
According to the requirements and procedures of “operating instructions” of test
turbines, CONDUCT the following tests.
a) Manual start. By operating the corresponding function key at the tower
bottom, COMMAND the test turbines to start; OBSERVE whether the grid-
connected process of generator is stable;
b) Manual immediate start. By operating the corresponding function key at
the tower bottom, COMMAND the test turbines to immediately start;
OBSERVE whether the grid-connected process of generator is stable;
c) Manual shutdown. When the test turbines are in normal operation, by
operating the corresponding function key at the tower bottom, COMMAND
the turbines to normally shut down; OBSERVE whether the wind wheel
blade spoiler is thrown away, and whether the mechanical damper brake
action is effective;
d) Manual resetting. By operating the corresponding function key at the tower
bottom, RESET the turbines; OBSERVE whether the turbines clear the
closed contacts of pendulum vibration switch; OBSERVE shutdown process
and fault alarm state.
7.11.4 Excess cable twist (simulation test method)
Simulation method. TOUCH the analog switch of normally open and normally
closed contacts of cable twist switch; OBSERVE shutdown process and fault
alarm state.
7.11.5 Emergency shutdown
Simulation method. PRESS the emergency shutdown switch on the control
cabinet or the emergency shutdown switch in the engine room; OBSERVE
shutdown process and fault alarm state.
7.11.6 Secondary power supply failure
Simulation method. DISCONNECT the secondary power supply; OBSERVE
shutdown process and fault alarm state.
7.11.7 Power grid failure
Simulation method. When the turbines are in grid-connected operation, under
the condition that the output power of generator is below 20% of the rated value,
DISCONNECT the air switch of major loop; OBSERVE shutdown process and
fault alarm state.
7.11.8 Brake wear
Simulation method. TOUCH the limit switch of brake wear sensor; OBSERVE
shutdown process and fault alarm state.
7.11.9 Wind speed signal loss
Simulation method. When the turbines are in grid-connected operation,
DISCONNECT the wind speed signal of wind speed sensor; OBSERVE
shutdown process and fault alarm state.
7.11.10 Wind direction signal loss
Simulation method. When the turbines are in grid-connected operation,
DISCONNECT the wind direction signal of wind speed sensor; OBSERVE
shutdown process and fault alarm state.
7.11.11 Motor grid-connected signal loss
Simulation method. After the motor grid-connected contactor is sucked,
DISCONNECT the feedback signal line of the contactor; OBSERVE shutdown
When the turbines are in grid-connected operation, MAKE the load power of
generator lower than 10% of the rated power; and MAKE the wind speed sensor
generate an equivalent wind speed signal above 8 m/s for several seconds (The
specific time is in accordance with the “operating instructions” of turbines);
OBSERVE shutdown process and fault alarm state.
7.11.27 Distortion of wind speed measured value (low)
When the turbines are in grid-connected operation, MAKE the load power of
generator higher than 10% of the rated power; and MAKE the wind speed
sensor generate an equivalent wind speed signal below 3 m/s for several
seconds (The specific time is in accordance with the “operating instructions” of
turbines); OBSERVE shutdown process and fault alarm state.
7.11.28 Wind wheel speed sensor failure
When the turbines are in grid-connected operation, MAKE the generator speed
higher than 100 rpm; after disconnecting the signal of wind wheel speed sensor,
OBSERVE shutdown process and fault alarm state.
7.11.29 Generator speed se......
Related standard:   GB/T 19068.3-2019  GB/T 19073-2018
   
 
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