GB/T 44232-2024Technical specification for battery charge discharge controller of stand-alone photovoltaic system (English PDF)

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting.

1 Scope

This document defines the terms and definitions of battery charge and discharge controllers for independent photovoltaic systems (hereinafter referred to as controllers), and specifies the controller The device has the functions of battery full protection and recovery, battery over discharge protection and recovery, temperature compensation, static power consumption, charge and discharge conversion Efficiency, static MPPT tracking efficiency, measurement accuracy, protection board (lithium battery) activation function, protection function, environmental adaptability, protection, etc.

The technical requirements of the level are given and the corresponding test methods are described.

This document applies to battery charge and discharge control for independent photovoltaic systems with voltage levels of 6 V to 60 V and rated power not exceeding 12 kW The battery types include lead-acid batteries, gel batteries and lithium batteries. Other types of independent photovoltaic systems use battery charge and discharge control Device for reference use.

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document.

For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies. in this document.

GB/T 2423.1 Environmental testing for electric and electronic products Part 2: Test methods Test A. Low temperature

GB/T 2423.2 Environmental testing for electric and electronic products Part 2: Test methods Test B. High temperature

GB/T 2423.3-2016 Environmental testing Part 2: Test methods Test Cab. Steady state damp heat test

GB/T 2423.4 Environmental testing for electric and electronic products Part 2: Test methods Test Db. Cyclic damp heat (12 h 12 h cycle)

GB/T 2423.17 Environmental testing for electric and electronic products Part 2: Test methods Test Ka. Salt spray

GB/T 4208 Enclosure protection degree (IP code)

3 Terms and definitions

The following terms and definitions apply to this document.