GB/T 37526-2019 in English
VALIDAssessment method for solar energy resource
- Issued on:2019-06-04
- Implemented on:2020-01-01
- File Format:PDF
- Delivery:Via email within 5 business days
$301.00
《GB/T 37526-2019太阳能资源评估方法》由TC540（全国气候与气候变化标准化技术委员会）归口，TC540SC2（全国气候与气候变化标准化技术委员会风能太阳能气候资源分会）执行，主管部门为中国气象局。
Introduction
Standard Framework and Technological Evolution
| Version | Core Innovation | Evaluation Dimensions | Applicable Fields |
|---|---|---|---|
| 2019 Version | Introduction of Direct Ratio Grading System | 6 Evaluation Dimensions | Photovoltaic/Photothermal Full Scenarios |
| Historical Versions | Basic Radiation Measurement | 3 Basic Indicators | Meteorological Observation |
Analysis of Core Evaluation Indicators
1. Resource Richness Grading
According to the annual total horizontal radiation (GHR), it is divided into four levels:
- Grade A (most abundant): ≥6300 MJ/m²(1750 kW·h/m²)
- Grade B (very abundant): 5040-6300 MJ/m²
- Grade C (abundant): 3780-5040 MJ/m²
- Grade D (general): <3780 MJ/m²
2. Stability calculation method
| Grade | Threshold range | Applicable system type |
|---|---|---|
| Very stable (A) | ≥0.47 | Off-grid system priority |
| Stable (B) | 0.36-0.47 | Applicable to grid-connected system |
Data collection specifications
Instrument requirements
Measurement equipment that complies with 5 supporting standards including global pyranometer(GB/T 19565-2017) must be used
Quality control process
- Integrity check: data missing rate ≤5%
- Reasonableness verification: Passed the triple test of climatological limit value/internal consistency/range of variation
- Interpolation method: Priority is given to the extraterrestrial radiation ratio method (Appendix B)
Engineering application case
Northwest photovoltaic base assessment example
A 200MW project was measured using a CMP11 type pyranometer:
- Annual GHR: 5820 MJ/m² → Class B is very abundant
- GHRS: 0.52 → Class A is very stable
- DHRR: 0.58 → Class B has more direct radiation
Based on Article 8.6 of the standard, it is suitable for the construction of a tracking photovoltaic system
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