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EN 60904-5:2011

Current
Current

The latest, up-to-date edition.

Photovoltaic devices - Part 5: Determination of the equivalent cell temperature (ECT) of photovoltaic (PV) devices by the open-circuit voltage method
Published date

22-04-2011

FOREWORD
INTRODUCTION
1 Scope and object
2 Normative references
3 Measurement principle and requirements
4 Apparatus
5 Determination of required input parameters
6 Procedure
7 Calculation of equivalent cell temperature
8 Test report
Annex ZA (normative) - Normative references to international
         publications with their corresponding European
         publications

IEC 60904-5:2011 describes the preferred method for determining the equivalent cell temperature (ECT) of PV devices (cells, modules and arrays of one type of module), for the purposes of comparing their thermal characteristics, determining NOCT (nominal operating cell temperature) and translating measured I-V characteristics to other temperatures. The main technical changes with regard to the previous edition are as follows: - added method on how to extract the input parameters; - rewritten method on how to calculate ECT; - reworked formulae to be in line with IEC 60891.

Committee
CLC/TC 82
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Current

I.S. EN 61853-1:2011 PHOTOVOLTAIC (PV) MODULE PERFORMANCE TESTING AND ENERGY RATING - PART 1: IRRADIANCE AND TEMPERATURE PERFORMANCE MEASUREMENTS AND POWER RATING
CEI EN 60904-1 : 2008 PHOTOVOLTAIC DEVICES - PART 1: MEASUREMENT OF PHOTOVOLTAIC CURRENT-VOLTAGE CHARACTERISTICS
BS EN 62124:2005 Photovoltaic (PV) stand-alone systems. Design verification
CEI EN 61853-1 : 2013 PHOTOVOLTAIC (PV) MODULE PERFORMANCE TESTING AND ENERGY RATING - PART 1: IRRADIANCE AND TEMPERATURE PERFORMANCE MEASUREMENTS AND POWER RATING
I.S. EN 61724-1:2017 PHOTOVOLTAIC SYSTEM PERFORMANCE - PART 1: MONITORING
EN 60904-3:2016 Photovoltaic devices - Part 3: Measurement principles for terrestrial photovoltaic (PV) solar devices with reference spectral irradiance data
EN 60904-2:2015 Photovoltaic devices - Part 2: Requirements for photovoltaic reference devices
EN 61853-2:2016 Photovoltaic (PV) module performance testing and energy rating - Part 2: Spectral responsivity, incidence angle and module operating temperature measurements
BS EN 61829:2016 Photovoltaic (PV) array. On-site measurement of current-voltage characteristics
EN 61724-1:2017 Photovoltaic system performance - Part 1: Monitoring
BS EN 61853-2:2016 Photovoltaic (PV) module performance testing and energy rating Spectral responsivity, incidence angle and module operating temperature measurements
CEI EN 61724-1 : 1ED 2017 PHOTOVOLTAIC SYSTEM PERFORMANCE - PART 1: MONITORING
CEI EN 62124 : 2005 PHOTOVOLTAIC (PV) STAND-ALONE SYSTEMS - DESIGN VERIFICATION
I.S. EN 60904-1:2006 PHOTOVOLTAIC DEVICES - PART 1: MEASUREMENT OF PHOTOVOLTAIC CURRENT-VOLTAGE CHARACTERISTICS
EN 60904-1:2006 PHOTOVOLTAIC DEVICES - PART 1: MEASUREMENT OF PHOTOVOLTAIC CURRENT-VOLTAGE CHARACTERISTICS
I.S. EN 60904-2:2015 PHOTOVOLTAIC DEVICES - PART 2: REQUIREMENTS FOR PHOTOVOLTAIC REFERENCE DEVICES
I.S. EN 60904-3:2016 PHOTOVOLTAIC DEVICES - PART 3: MEASUREMENT PRINCIPLES FOR TERRESTRIAL PHOTOVOLTAIC (PV) SOLAR DEVICES WITH REFERENCE SPECTRAL IRRADIANCE DATA
BS EN 61853-1:2011 Photovoltaic (PV) module performance testing and energy rating Irradiance and temperature performance measurements and power rating
CEI EN 60904-3 : 2009 PHOTOVOLTAIC DEVICES - PART 3: MEASUREMENT PRINCIPLES FOR TERRESTRIAL PHOTOVOLTAIC (PV) SOLAR DEVICES WITH REFERENCE SPECTRAL IRRADIANCE DATA
UNE-EN 61853-1:2011 Photovoltaic (PV) module performance testing and energy rating -- Part 1: Irradiance and temperature performance measurements and power rating
CLC/TS 61836:2009 Solar photovoltaic energy systems - Terms, definitions and symbols
DD CLC/TS 61836:2009 Solar photovoltaic energy systems. Terms, definitions and symbols
BS EN 60904-3:2008 Photovoltaic devices Measurement principles for terrestrial photovoltaic (PV) solar devices with reference spectral irradiance data
BS EN 60904-1:2006 Photovoltaic devices Measurement of photovoltaic current-voltage characteristics
BS EN 60904-2:2015 Photovoltaic devices Requirements for photovoltaic reference devices
EN 61853-1:2011 Photovoltaic (PV) module performance testing and energy rating - Part 1: Irradiance and temperature performance measurements and power rating
UNE-EN 61829:2016 Photovoltaic (PV) array - On-site measurement of current-voltage characteristics
I.S. EN 61853-2:2016 PHOTOVOLTAIC (PV) MODULE PERFORMANCE TESTING AND ENERGY RATING - PART 2: SPECTRAL RESPONSIVITY, INCIDENCE ANGLE AND MODULE OPERATING TEMPERATURE MEASUREMENTS
CEI EN 61853-2 : 1ED 2017 PHOTOVOLTAIC (PV) MODULE PERFORMANCE TESTING AND ENERGY RATING - PART 2: SPECTRAL RESPONSIVITY, INCIDENCE ANGLE AND MODULE OPERATING TEMPERATURE MEASUREMENTS
I.S. EN 62124:2005 PHOTOVOLTAIC (PV) STAND-ALONE SYSTEMS - DESIGN VERIFICATION
UNE-EN 60904-2:2015 Photovoltaic devices - Part 2: Requirements for photovoltaic reference devices
BS EN 60891:2010 Photovoltaic devices. Procedures for temperature and irradiance corrections to measured I-V characteristics
EN 61829:2016 Photovoltaic (PV) array - On-site measurement of current-voltage characteristics
EN 62124:2005 Photovoltaic (PV) stand-alone systems - Design verification
EN 60891:2010 Photovoltaic devices - Procedures for temperature and irradiance corrections to measured I-V characteristics

ISO/IEC 17025:2005 General requirements for the competence of testing and calibration laboratories
EN 60904-2:2015 Photovoltaic devices - Part 2: Requirements for photovoltaic reference devices
IEC 60904-1:2006 Photovoltaic devices - Part 1: Measurement of photovoltaic current-voltage characteristics
IEC 60904-10:2009 Photovoltaic devices - Part 10: Methods of linearity measurement
IEC 61215:2005 Crystalline silicon terrestrial photovoltaic (PV) modules - Design qualification and type approval
EN 60904-1:2006 PHOTOVOLTAIC DEVICES - PART 1: MEASUREMENT OF PHOTOVOLTAIC CURRENT-VOLTAGE CHARACTERISTICS
EN 61829:2016 Photovoltaic (PV) array - On-site measurement of current-voltage characteristics
IEC 61829:2015 Photovoltaic (PV) array - On-site measurement of current-voltage characteristics
IEC 60904-2:2015 RLV Photovoltaic devices - Part 2: Requirements for photovoltaic reference devices
EN 60904-7:2009 Photovoltaic devices - Part 7: Computation of the spectral mismatch correction for measurements of photovoltaic devices
IEC 60904-7:2008 Photovoltaic devices - Part 7: Computation of the spectral mismatch correction for measurements of photovoltaic devices
EN 60891:2010 Photovoltaic devices - Procedures for temperature and irradiance corrections to measured I-V characteristics
EN 60904-10:2010 Photovoltaic devices - Part 10: Methods of linearity measurement
IEC 60904-2 : 3.0EN+(REDLINE+VERSION) PHOTOVOLTAIC DEVICES - PART 2: REQUIREMENTS FOR PHOTOVOLTAIC REFERENCE DEVICES
IEC 60891:2009 Photovoltaic devices - Procedures for temperature and irradiance corrections to measured I-V characteristics
EN 61215:2005 Crystalline silicon terrestrial photovoltaic (PV) modules - Design qualification and type approval

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