T/JSJXXH 009-2022 Active

Scope: This document is a dedicated standard for permanent magnet variable frequency speed control synchronous motors used in air compressors (hereinafter referred to as "motors"). The standard covers the requirements for exhaust pressure in the range of 0.25MPa to 1.4MPa for general-purpose oil-injection rotary air compressors (including general-purpose oil-injection screw air compressors, general-purpose oil-injection single-screw air compressors, general-purpose oil-injection sliding-vane air compressors, and general-purpose oil-injection scroll air compressors). It specifies the power range of the motor as 1.5kW (base number 90) to 630kW (base number 400), namely: 1.5kW, 2.2kW, 3kW, 4kW, 5.5kW, 7.5kW, 11kW, 15kW, 18.5kW, 22kW, 30kW, 37kW, 45kW, 55kW, 75kW, 90kW, 110kW, 132kW, 160kW, 185kW*, 200kW, 220kW*, 250kW, 280kW*, 315kW, 355kW, 400kW, 450kW, 500kW, 560kW, 630kW; (Note: The power marked with "*" is a non-standard product, which is customized according to market demand and is not a preferred value). Main technical content: This standard specifies clear technical indicators and requirements for permanent magnet variable frequency speed control synchronous motors used in air compressors, including model, basic parameters and dimensional tolerances, testing methods, inspection rules, marking, packaging, and storage. The main technical indicators are reasonable, the testing methods are clear and feasible, and the inspection rules are complete, which can guide enterprises in production and acceptance. This standard includes related normative references, including standards for basic parameters and dimensional tolerances of motors, efficiency, testing methods, inspection rules, marking, packaging, etc. According to the relevant requirements of GB 19513-2019 "Energy Efficiency Limits and Energy Efficiency Grades for Volumetric Air Compressors", this standard provides terms and definitions for service factor, speed range, power ratio (speed ratio), and weighting co