IEC 62862-5-2:2022 PDF

Solar thermal electric plants - Part 5-2: Systems and components - General requirements and test methods for large-size linear Fresnel collectors

First page of standard IEC 62862-5-2:2022

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Title (English):

IEC 62862-5-2:2022

Solar thermal electric plants - Part 5-2: Systems and components - General requirements and test methods for large-size linear Fresnel collectors

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 37
Publication date:: May 10, 2022
Edition:: IEC IS 62862 edition 1 version 1
ICS:: 27.160

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Description (English):

IEC 62862-5-2:2022 specifies the requirements and the test methods for the characterization of a large-size linear Fresnel collector. This document covers the determination of optical and thermal performance of linear Fresnel collectors, and the tracking accuracy of the collector one-axis tracking system. This test method is for outdoor testing only. This document applies to linear Fresnel collectors according to Annex A equipped with the manufacturer-supplied sun tracking mechanism. This document applies to the whole collector field in-situ or as a minimum unit to be tested to an individual collector string (loop) connected to the main piping (flow, return flow) to and from a heat sink, covering the full temperature range of the field.

Technical details

Technical committee: TC 117 - Solar thermal electric plants
SKU: IEC 62862-5-2:2022

Abstract

Overview

IEC 62862-5-2:2022 - "Solar thermal electric plants - Part 5-2: Systems and components - General requirements and test methods for large-size linear Fresnel collectors" - specifies requirements and outdoor test methods for characterizing large-size linear Fresnel collectors. The standard covers determination of optical and thermal performance and the tracking accuracy of the collector one‑axis tracking system. It applies to collectors equipped with the manufacturer‑supplied sun tracking mechanism, and to testing a whole collector field in‑situ or, at minimum, an individual collector string connected to the main piping across the field’s full temperature range.

Key topics and technical requirements

Scope of testing
- Outdoor performance testing only; in‑situ field or representative string testing.
Instrumentation and measurements
- Solar radiation measurement, flow rate, temperature sensors, wind speed, and data acquisition systems.
- Tracking accuracy measurement provisions.
Test procedures
- Collector description and test equipment setup.
- Cleanliness, boundary test conditions, and measurement protocols.
Performance characterization
- Determination of useful power and incidence angle modifier (IAM).
- Evaluation methods for quasi‑dynamic test (QDT) and dynamic test (DT) procedures.
- Validation performance testing and optional tracking error tests.
Data processing and uncertainty
- Calculation methods, parameter identification (for DT), and uncertainty estimation.
Reporting and documentation
- Required reporting format and manufacturer documentation (Annex B).
Supporting annexes
- Annex A: Collector description and configurations.
- Annex C: Test report template.
- Annex D: Deflectometry mirror testing.
- Annex E: Tracking error testing.

Applications and who uses this standard

Manufacturers of linear Fresnel collectors for product development, factory acceptance and performance declaration.
Independent test laboratories and certification bodies conducting outdoor performance and acceptance tests.
Project developers, plant operators and EPC contractors validating field performance, commissioning, and acceptance of solar thermal electric plants.
System designers and modelers who need validated optical/thermal parameters (IAM, efficiency, tracking accuracy) for plant simulation and performance forecasting.
Investors and regulators seeking consistent, comparable performance evidence for procurement and compliance.

Related standards

Part of the IEC 62862 series (Solar thermal electric plants) developed by IEC Technical Committee 117. Consult other parts of IEC 62862 for broader system and component requirements and for harmonized test frameworks.

Keywords: IEC 62862-5-2, linear Fresnel collectors, solar thermal electric plants, optical performance, thermal performance, tracking accuracy, outdoor testing, incidence angle modifier, quasi-dynamic test, dynamic test, in‑situ testing.

Related standards

Mentioned in the description and other IEC standards

Abstract

Overview

Key topics and technical requirements

Scope of testing
- Outdoor performance testing only; in‑situ field or representative string testing.
Instrumentation and measurements
- Solar radiation measurement, flow rate, temperature sensors, wind speed, and data acquisition systems.
- Tracking accuracy measurement provisions.
Test procedures
- Collector description and test equipment setup.
- Cleanliness, boundary test conditions, and measurement protocols.
Performance characterization
- Determination of useful power and incidence angle modifier (IAM).
- Evaluation methods for quasi‑dynamic test (QDT) and dynamic test (DT) procedures.
- Validation performance testing and optional tracking error tests.
Data processing and uncertainty
- Calculation methods, parameter identification (for DT), and uncertainty estimation.
Reporting and documentation
- Required reporting format and manufacturer documentation (Annex B).
Supporting annexes
- Annex A: Collector description and configurations.
- Annex C: Test report template.
- Annex D: Deflectometry mirror testing.
- Annex E: Tracking error testing.

Applications and who uses this standard

Manufacturers of linear Fresnel collectors for product development, factory acceptance and performance declaration.
Independent test laboratories and certification bodies conducting outdoor performance and acceptance tests.
Project developers, plant operators and EPC contractors validating field performance, commissioning, and acceptance of solar thermal electric plants.
System designers and modelers who need validated optical/thermal parameters (IAM, efficiency, tracking accuracy) for plant simulation and performance forecasting.
Investors and regulators seeking consistent, comparable performance evidence for procurement and compliance.

Related standards

Part of the IEC 62862 series (Solar thermal electric plants) developed by IEC Technical Committee 117. Consult other parts of IEC 62862 for broader system and component requirements and for harmonized test frameworks.

IEC 62862-5-2:2022 PDF

Technical details

Abstract

Overview

Key topics and technical requirements

Applications and who uses this standard

Related standards

Related standards

Abstract

Overview

Key topics and technical requirements

Applications and who uses this standard

Related standards

Related standards

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