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BS IEC 62862-5-2:2022

BS IEC 62862-5-2:2022

$189.07

Solar thermal electric plants – Systems and components. General requirements and test methods for large-size linear Fresnel collectors

Published By Publication Date Number of Pages
BSI 2022 46
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PDF Catalog

PDF Pages PDF Title
2 undefined
6 CONTENTS
9 FOREWORD
11 1 Scope
2 Normative references
3 Terms, definitions and symbols
3.1 Terms and definitions
12 3.2 Symbols
13 4 Testing requirements
5 Instrumentation
5.1 Solar radiation measurement
5.2 Flow rate measurement
5.3 Temperature measurements
14 5.4 Wind speed measurement
5.5 Data acquisition
5.6 Tracking accuracy measurement
6 Test procedure
6.1 General
6.2 Collector description
6.3 Test equipment
6.3.1 Performance test
15 6.3.2 Optical characterization for performance testing
Figures
Figure 1 – Test equipment installation
16 6.3.3 Tracking error test
6.4 Measurement procedure
6.4.1 General
6.4.2 Cleanliness
17 6.4.3 Test conditions
6.5 Calculation and test results evaluation
6.5.1 General
18 6.5.2 Useful power
19 6.5.3 Incidence angle modifier (IAM)
Figure 2 – Sketch of one module of linear Fresnel collector as seen from above
20 Figure 3 – Incidence angles for a linear Fresnel collector
21 6.5.4 Evaluation for the quasi-dynamic test method QDT
22 6.5.5 Evaluation for the dynamic test method DT
Figure 4 – Sketch of parameter identification procedure used for the DT method [3]
23 6.5.6 Validation performance test
24 6.5.7 Tracking error test (optional)
25 6.5.8 Uncertainty estimation
7 Reporting format
26 Annex A (informative)Linear Fresnel collector description
A.1 General description
A.1.1 Overview
Figure A.1 – General view of a north-south axis Fresnel collector
27 A.1.2 Collector row structure
Figure A.2 – General view of an asymmetric east-west axis Fresnel collector
28 A.1.3 Support structure and foundation
A.1.4 Primary reflectors
A.1.5 Mirror support
29 A.1.6 Mirror drives
A.1.7 Receiver
A.1.8 Receiver tube
Figure A.3 – Schematic drawing of individual drive a), group drive b) and field drive c) options
30 A.1.9 Receiver cavity
Figure A.4 – Typical receiver cavity with secondary reflector and glass cover
31 A.1.10 Receiver support and casing
A.1.11 Tracking system
Figure A.5 – Typical receiver cavity with secondary reflector and without glass cover
Figure A.6 – Typical receiver cavity with multiple parallel tubes
32 A.2 Operation modes
33 Annex B (normative)Documentation to be supplied by the collector manufacturer
B.1 General configuration of the linear Fresnel collector
B.1.1 Model and manufacturer
B.1.2 Axes and movements
B.1.3 Collector grouping
B.2 Geometric characterization of the linear Fresnel collector
B.3 Mechanical characterization of the linear Fresnel collector
34 B.4 Optical characterization of the linear Fresnel collector
B.5 Description of linear Fresnel collector operating modes
B.5.1 Design operating conditions
B.5.2 Normal operating conditions
B.5.3 Reduced weather/geological operating conditions (features to be reduced shallbe defined (optical, thermal performance) and how much they are reduced)
B.5.4 Stow conditions
B.5.5 Survival conditions
B.6 Optical and tracking accuracy
B.6.1 Accuracy under normal operating conditions
B.6.2 Accuracy under reduced operating conditions
B.7 Linear Fresnel collector component information
B.7.1 Linear Fresnel collector structure
35 B.7.2 Receiver tube
B.7.3 Receiver cavity
B.7.4 Primary and secondary reflectors
B.7.5 Drive mechanism
36 Annex C (normative)Testing report
C.1 General
C.2 Collector characteristics
37 C.3 Linear Fresnel collector limitations
C.4 Description of the experimental setup
C.5 Results
Table C.1 – Alternate tracking accuracy reporting template
39 Annex D (informative)Deflectometry mirror testing
D.1 Mirror shape quality
40 Annex E (informative)Tracking error testing
41 Bibliography

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BS IEC 62862-5-2:2022
$189.07