Purpose-The purpose of this SAE Recommended Practice is to provide a standard test procedure for the development of alternator output performance@ and a standard form for plotting performance curves.
SAE J56-1978 history
1999SAE J56-1999 Road Vehicles - Alternators with Regulators - Test Methods and General Requirements
1983SAE J56-1983 Electrical Generating System (Alternator Type) Performance Curve and Test Procedure (June 1983)
1978SAE J56-1978 Electrical Generating System (Alternator Type) Performance Curve and Test Procedure