GB/T 2820.9-2024 Reciprocating internal combustion engine driven alternating current generating sets—Part 9:Measurement and evaluation of mechanical vibrations

Scope

This document describes the procedure for measuring and evaluating the external mechanical vibration characteristics of generator sets at specified measurement locations.
This document is applicable to reciprocating internal combustion engine-driven, fixed and mobile AC generator sets with rigid and/or elastic mounting. It is suitable for land and marine use, but not for generator sets used in aviation or for driving land vehicles and locomotives.
For certain specific applications (such as hospitals, power supply for high-rise buildings, etc.), additional requirements are needed. The provisions of this document are considered as the basis for these applications.
For generator sets driven by other reciprocating prime movers (such as biogas engines, steam engines, etc.), the provisions of this document are considered as the basis for these applications.

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