Some standard content:
ICN27120
Machinery Industry Standard of the People's Republic of China
JB/T10426.2-2004
Braking system of wlnd turbine generator systemsPartz:Test methods
2004-02-10 Release
2004-06-01 Implementation
Statement issued by the National Development and Reform Commission of the People's Republic of China
Regulatory documents
Test equipment
Test requirements
Test transmitters and instruments
Test contents and methods
External inspection.
No-load test,
Operational test
6 Handling of test results
New system test status record
Appendix A (Informative):
Appendix 3! Informative Appendix:
C Informative Appendix:www.bzxz.net
C.1 Road type| |tt||Technical content
Braking system or test raw data record table
Braking system test report format and content
17T10426.22302
IB/T1D426.2—2004
JH/T10426 Wind power generation brake system is divided into two parts Part 1: Technical conditions:
Part 2: Test method
This part is the first part of JR1047
This part is defined for the first time:
This part is compiled according to the relevant provisions of 0B/T1.100 Standardization Guidelines Part 1: Standard structure and planning rules 3
This part is proposed by China Machinery Industry Association and is under the jurisdiction of China Wind Power Standardization Technical Committee. 1. Drafting unit of this part: Shi De (Luyang) Class I double-electric equipment. Main contributors to this part: Du Ping, Soochow University.
HT1042G7-2G04
Wind turbine brake system Part 2: Test methods This part specifies the test objects, test contents and test methods of the brake system of horizontal axis grid-connected wind turbines: Core part of the brake system of the wind wheel and its transmission device of a horizontal axis grid-connected wind turbine 2. Normative references
The clauses in the following parts are adopted by B10426 of this part. The terms of this part shall be used as the reference document. For the dated documents, all subsequent negotiations (excluding the contents of the approval) or revisions shall not be dated. The latest version of these documents shall be used as the reference document without a date. The latest version shall apply to this part (3/T1B451.2-2003 Wind turbine power test J3 1426: Wind turbine brake system Part 1: Technical conditions 3 Test materials || tt || 211 The test frequency shall be reduced and there shall be a probability of occurrence of wind speed of 15m5--25m/5, and complex terrain and rate code objects shall be avoided. 32 The test shall be avoided under special climatic conditions (such as rain, snow, ice, etc.). 3.3 The no-load test can be carried out in a workshop that meets the test process conditions: the running test shall be carried out in a wind power system that meets the specified conditions. 34 The test unit shall be accompanied by relevant technical data, drawings, other instructions, installation and operation procedures, etc. 3.5 Test quality and product quality. 36 The installation and installation of the test unit shall comply with the installation manual or relevant standards. 4 Test preparation
4.1 Prepare the test plan and confirm it according to the prescribed procedures. 42 Or verify that it complies with the safety operation regulations of the wind turbine maintenance. 43 Check the control materials and instrumentation of the production control system. 4.4 Record the relevant data of the environmental conditions during the test: temperature, humidity, air quality, wind speed 5 Test requirements
5.1 Check the external specifications. The air test can only be carried out after the assembly quality is checked. 5.2 After the no-load test is qualified, the operation test can be carried out: 53 The test organization and personnel should have a complete qualification certificate 5.4 The corresponding safety operation procedures should be followed during the test: 6 Test instruments and meters
6.1 The test equipment and meters should be within the validity period of the qualified inspection of the measurement department, and have a second calibration source for inspection 6.2 The following equipment and instruments are used in the test: a) Responsible meter
According to the provisions of 7.1 in GB.T18451.2-2007, b! Pressure multi
Determine the hydraulic stop force range based on the torque of the station machine: the accuracy is not more than 1 year JT10426.2-2004
) Speed meter
The measurement accuracy is not more than 0r.min, and the rotation speed is 00r/mim~.16r/mim d) Wind sensor
Suitable GB/11R4S! 2--20037.2) Wind direction sensor
G0/T1B45..7—2003-7.2
Barometer
According to the provisions of G/T1B45[.2--2M3, 7.2. g Stopwatch
The timer should be under 3 minutes, and the timing accuracy should be less than 0.5s/min. h) The size of the brake must be selected accurately, and the accuracy should be less than 1.1m. The brake angle should be determined according to the force of the test disc. The specifications and recommended standards of the test disc should be determined according to the force of the test disc. 7. Test content and method 7.1 Appearance inspection 7.1.1 Surface condition: Whether the surface condition of the blades and blades is intact: 1) Whether the surface condition of the pitch mechanism components is intact; 2) Whether the surface condition of the gearbox meets the design requirements: 3) Whether the surface condition of the coupling is intact; 4) Whether the surface condition of the generator is intact; 5) Whether the surface condition of the brake is intact and clean: Whether the surface condition of the brake disc is intact, and 6) Whether the surface condition of the generator is intact. 7.2 Assembly inspection includes: |tt||a) Whether the assembly state of the rotating mechanism meets the design requirements: 6) Whether the surface state of the variable speed mechanism meets the design requirements: Check whether the suction state of the mechanical brake meets the design requirements: Whether the assembly state of the brake disc meets the design requirements: ) Whether the assembly state of the coupling meets the design requirements: Whether the assembly state of the gear box meets the design requirements: Whether the installation state of the generator meets the design requirements: B
h) Whether the assembly state of the hydraulic system meets all the requirements 71.3 Insulation protection inspection includes:
) Whether the insulation layer of the cable is shiny and clean:
b) Whether the cable joint is exposed:
c) Whether the fixation of the electrical device meets the design requirements: Whether the outer cover of the electrical device is in good condition.
7.1.4 Whether the single seal and other leakage inspections include ||tt ||Company) Check whether there is any leakage at the joint of the hydraulic pipeline: Check whether there is any leakage at the wave station: Check whether there is any pain at the mountain pressure station: Check whether there is any deep pressure at the mountain pressure station: Check whether the fixed parts of the hydraulic device meet the requirements of the equipment: Check whether the shell of the hydraulic device is intact.
15 Inspection records should be attached with A filter A filling H37F10426.2.-2004
Let: sound time and The inspection of the power supply is required to be carried out: the inspection is for the light equipment, and the inspection personnel should have the experience of the case and the expected experience of the machine.
7.2 Assembly quality
721 Tightening torque
The tightening torque of the blade and the hub bolt: he
The tightening torque of the light wheel and the main shaft: c||tt| |Tightening torque of the connecting bolts between the half shaft and the wheel box: Tightening torque of the friction bolts between the gear and the coupling: Tightening torque of the connecting bolts between the coupling and the generator: Tightening torque of the connecting bolts between the generator and the frame: Tightening torque of the connecting bolts between the main adjusting seat and the frame: 2
Tightening torque of the connecting bolts between the wheel box and the frame: h)
) Tightening torque of the rolling bolts between the hydraulic station and the frame: Tightening torque of the hydraulic system circuit and the head Tightening torque: Tightening torque of connecting bolts of electrical equipment ks
Tightening status of cables and guides:
Tightening torque of connecting bolts of yaw bearing and yaw drive device; Tightening torque of connecting bolts of blade tip control cylinder: Tightening torque of connecting bolts of variable speed drive: p
Tightening torque of connecting bolts of brake device: 7.2.1.2
Testing requirements and principles include
Tightening force test is carried out under certain assembly conditions: the measurement of the tester used during the test should be consistent with the test method; the above-mentioned inspection items should be randomly sampled according to the number of fasteners: when the number of fasteners is less than 8, a full inspection is carried out: when the number of exposed fasteners is greater than 8 but less than 121, 12 but not less than 8 are randomly sampled for inspection; when the number of exposed fasteners is greater than 24 but less than 36, 1/3 but not less than 12 are randomly sampled: when the number of exposed fasteners is greater than 136, 14 but not less than 8 are randomly sampled:
In the process of reverse inspection, if there is any non-conforming frequency, the tightening force range of the parts in the position should be fully inspected.
7.2.2 Assembly endurance
72 .2.1 Inspection values and contents include:
The time recording of the mechanical brake in non-braking state; the posture and connection condition of the mechanical brake in dynamic state; the variable distance mechanism shall be observed when the object is active; the active clearance of the rotating machine shall be in the released state; the adjustment condition of the brake force bottle adjustment mechanism 8/T16428.2—2004
7.2.2.2 The inspection method shall be selected according to the inspection case: ) The assembly inspection shall be carried out under the rated tightening torque and specified assembly condition; b) The time recording of the fitting parts under non-dynamic state shall be measured according to the original required size: the braking point shall be under the original required size, and the connection condition shall be checked by the user's method; the variable distance inspection shall be carried out according to the specific structure or experience of the rotating mechanism. d
e) The adjustment status of the brake torque adjustment mechanism shall be checked according to the brake instructions. 7.2.3 Mechanism status The inspection of the machine status includes: 2) Flexibility of the blade tip rotation mechanism: Flexibility of the variable speed follower mechanism: Flexibility of the brake release mechanism: Small! Flexibility of the brake follower device Flexibility of the brake release mechanism: Mechanism status inspection shall be carried out under the specified tension and assembly conditions. This function shall be carried out by a professional who is qualified to inspect the mechanism and whether there is any mechanism activity or not. 7.2.4 Inspection record The inspection results shall be recorded in accordance with Appendix A Table A, 2. 7.3 No-load test
771 Working condition test of the production system
3F System pressure test: Start the wind turbine, and after the operation is determined, check the pressure gauge or relevant sales number: record the system and the pressure of each system, and if necessary, adjust the rated pressure operating state: until the wind turbine is running and the hydraulic system pressure is normal, adjust the pressure of related systems to above and below the rated value respectively, observe and record the system response. 732 The 1-stage inspection of the electrical system includes: the control signal: under the normal operation of the wind turbine generator set, the control signal can be set or set by the control system, observe and record the response of the automatic system: the response of the alarm signal: under the normal operation of the wind turbine generator set, the relevant alarm signal is set by the control system, observe and record the response of the automatic system: the response of the countermeasure signal: under the normal operation of the wind turbine generator set, the signal related to the sound device is manually set, observe and record the response of the brake: the display of the state signal: under the normal operation of the wind turbine generator set, observe and record whether the state of the brake system is consistent with the signal display of the state.
71.3 The test of the operation mode includes: 2) Automatic control mode, under the normal operation of the wind turbine generator set, set the operation mode to automatic mode. The test records the response of the braking system control function in this mode: 5) Human operation mode: When the wind turbine is running normally, set the operation mode to human 1. Mode test and record the response of the braking system in this mode:
User mode: When the power module is running normally, set the dynamic mode to automatic mode, and the test records the response of the braking system in automatic mode.
7.3.4 The effectiveness test of control logic 5 includes: a) Normal control: Set the wind turbine generator set to automatic control mode, and after the operation is determined, manually set the normal control logic to send an alarm signal, observe and record its operating status and the response of the braking system: 5) Safety control logic: Set the wind turbine generator set to automatic control mode, and after the operation is determined, manually set the safety control logic 4
and record its operating status and the response of the braking system: JR.T10426.2—20C4
The effectiveness test of 3.5 gas efficiency mode includes: a) Normal control: Set the wind turbine generator set to automatic control mode, and after the operation is determined, manually set the normal control logic to send an alarm signal, and record its operating status and the response of the braking system: JR.T10426.2—20C4
The effectiveness test of 3.5 gas efficiency mode includes: a) Normal control: Set the wind turbine generator set to automatic control mode, and after the operation is determined, manually set the safety control logic 4
and record its operating status and the response of the braking system: JR.T10426.2—20C4
The effectiveness test of 3.5 gas efficiency mode includes: b) Normal control: Set the wind turbine generator set to automatic control mode, and after the operation is determined, manually set the normal control logic to send an alarm signal, and record its operating status and the response of the braking system: Normal mode: Under the condition of normal operation of the wind turbine, start the normal operation mode or emergency braking mode, observe and record the response of each level of braking devices and the same level control devices under this braking mode: 5) Emergency braking mode: Under the condition of normal operation of the wind turbine, start the emergency operation mode: observe and record the response of each level of braking devices and the same level control devices under this braking mode. 7.3.6 Test results according to Appendix 4: 7.4 Operation test
The 41 operating mode tests include:
3 The response of the braking system under manual operation mode: Set the operating mode to manual mode: Start the wind turbine, and start the various control functions under this mode. Record the various control systems: In automatic control mode, the braking system is missing: Set the operation mode to manual mode or start Start the wind turbine generator set, observe and record its operating status and the complete response of the system. When conditions permit, the braking can be manually triggered at low speed: the direct-acting control mode is sensitive to the screen test, cut off or shield the direct-acting control, start the wind turbine generator set, observe, and record the faults of the braking system of the wind turbine generator set under the direct-acting control mode:) The above tests have been carried out, and the test results are filled in according to the table in Appendix 1. 7.4.2 Control or test package:
a) Braking system response under normal control: Set the wind turbine generator set to automatic or control mode, and record its operating status and the complete response of the braking system. When conditions permit, the normal control logic can be set to send a signal: h) Braking system response under normal control logic: The wind turbine generator set is set to automatic control type , observe and record the response of the brake system in the running state, and the triggering number of the safety control logic can be set manually when conditions permit: =) The triggering test of the control logic: Set the wind turbine generator set to the alarm mode, observe or manually change the appropriate internal alarm signal: record the brake system: the test should be carried out at least times, and the test results should be filled in according to Appendix D Table B.1, 7.4.3: E. Operation mode test package:
) Braking process of normal braking mode: When the wind turbine generator is working properly, observe or manually set appropriate alarm signals to trigger the normal braking, record the first-level braking device and the second-level braking device. The braking process of emergency braking mode: When the wind turbine generator is working normally, observe or manually set appropriate alarm signals to trigger the emergency braking. Record the release sequence of the first-level braking device and the second-level braking device: The compatibility of the two control modes, when the wind turbine is working normally. Normal braking is only performed, and emergency braking is triggered during normal braking. The response of the control system is required to be recorded; the above test shall be carried out at least for? times, and the test results shall be filled in according to the table in the appendix. 7.4.4 Braking performance test includes
a) Braking time of positive braking mode: When the wind turbine is working in normal direction, reverse positive braking is used to measure the time from the braking command to the complete stop of the wind rotor with a stopwatch and record it: 5) Braking time of emergency braking mode: When the wind turbine is working in normal direction, emergency braking is performed. Use a stopwatch to measure the time from the issuance of the brake or price command to the complete stop of the wind rotor, and record it: 2) 1. The test shall be carried out for at least 5 times, and the arithmetic average thereof shall be taken as the corresponding braking time. The test results should be filled in Appendix B Table n.1. Note: The dynamic performance test is carried out when the wind speed is greater than 15m/s and the wind turbine generator is working at the rated power. TR: T13426.2—2004 7.4.5 Coordination test includes: Coordination under yaw state: When the wind turbine is in the yaw state with good wind conditions, the braking and emergency tests are carried out separately: b) Trigger the yaw control signal under braking state, observe and record the response of the braking system: c) Trigger the yaw control signal under braking state: When the wind turbine generator is in the unbending state, the wind turbine generator is starting, and the release control signal is generated in the machine state, observe and record the response of the braking system: c) This test is carried out at least 3 times, and the test results are as shown in Appendix Table H.1. Note: The coordination test of the wind turbine generator set shall be recorded by the manufacturer. 5. Test results
B1 The test results of the brake system must be recorded in the test record form according to the provisions of this standard. The record form is in the appendix and appendix.
5.2 For the following tests that do not meet the requirements of the old/T10426.1 and the design requirements: After the wind turbine generator set is tested according to the pre-test, a test report of the wind turbine brake system should be written: See the appendix for the test report format. Position
Table and block modification
(Informative Appendix)
Braking system test status inspection record
Table 4.1 Appearance inspection record
Assembly condition
Absolute training and protection
Inspector:
r10426.2-2c04
Time and concentration adjustment
JB/T10426.2—2004
Table A.2 Assembly quality inspection record
Assembly precision
Dressed up 5:
Congratulations on the quick status
System cleaning king!
Heart "state concept
Standard signal
Report signal
Anti-clock signal card
Method activation signal
Silent detection mode
Selection mode
White noble mode
2 With control logic
Safety control reverse
Production system without support system
Normal braking mode
Emergency braking mode
Table ^.3 Braking system no-load test record
JE/15426.22004
Cable point
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.