Air conditioners, liquid chilling packages, heat pumps, process chillers and dehumidifiers with electrically driven compressors. Determination of the sound power level. Part 1. Air conditioners, liquid chilling packages, heat pumps for space heating and cooling, dehumidifiers and process chillers
Adjustable speed electrical power drive systems. Part 4. General requirements. Rating specifications for a.c power drive systems above 1000 V a.c. and exceeding 35 kV