GB/T 32877-2022 (English Version) PDF

Standard No.: GB/T 32877-2022
Language: Chinese, Available in English version
Release Date: 2022
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 32877-2022
Replace: GB/T 32877-2016

Scope: This document outlines the test methods and interpolation procedures for determining the loss and efficiency of motors within the scope of GB/T755-2019 when powered by frequency converters. The motors described are also speed-regulated electrical drive systems (PDS )a part of. Motor efficiencies determined using the comparative frequency converter method of this document are only used to compare different motor designs. This document also gives a procedure for determining the loss of any load point (torque, speed) of the motor within the reference speed range (constant torque range, constant flux range) based on seven standard load point losses. GB/T755-2019 rated any speed-adjustable AC motor (induction and synchronous) powered by variable frequency and voltage-regulated power supply.

GB/T 32877-2022 Referenced Document

GB/T 12668.902-2021 Adjustable speed electrical power drive systems—Part 9-2: Ecodesign for power drive systems, motor starters, power electronics and their driven applications—Energy efficiency indicators for power drive systems and motor starters
GB/T 18039.4-2017 Electromagnetic compatibility—Environment—Compatibility levels in industrial plants for low-frequency conducted disturbances
GB/T 25442-2018 Standard methods for determining losses and efficiency of rotation electrical machines from tests（excluding machines for traction vehicles）
GB/T 755-2019 Rotating electrical machines—Rating and performance

2022 GB/T 32877-2022 Specific test methods for determining losses and efficiency of converter-fed AC motors
2016 GB/T 32877-2016 Specific test methods for determining losses and efficiency of converter-fed AC induction motors