GB/T 47668-2026Fuel cell power systems — Test method for noise (English PDF)

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents".

1 Scope

This document defines the terms used for noise testing of fuel cell power generation systems, specifies the test conditions and the requirements for test instruments, installation and data acquisition, and describes the corresponding test methods, data calculation, data recording and test report.

This document applies to proton exchange membrane fuel cell power generation systems that use hydrogen as fuel. Other types of fuel cell power generation systems may refer to it.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies to this document.

GB/T 1859.3-2015 Determination of sound power level of reciprocating internal combustion engines by sound pressure method - Part 3: Precision method using a semi-anechoic chamber

GB/T 3785.1-2023 Electroacoustic sound level meters - Part 1: Specifications

GB 4962-2008 Safety Technical Regulations for the Use of Hydrogen

GB/T 6882 Acoustic sound pressure method for determining the sound power level and sound energy level of a noise source - Precision method using anechoic chambers and semi-anechoic chambers

GB/T 15173-2010 Electroacoustic calibrators

GB/T 28816-2020 Fuel Cell Terminology

3 Terms and Definitions

The terms and definitions defined in GB/T 28816-2020, as well as the following terms and definitions, apply to this document.