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Performance level of diesel generator set
Article 7 of the national standard GB/T2820.1-1997 "Reciprocating Internal Combustion Engine Driven Alternator Generator Sets" Part 1: Purpose, Rating and Performance stipulates four levels of performance for diesel generator sets.1.G1 level performance requirements apply to connected loads for which only the basic parameters of voltage and frequency need to be specified. General purpose such as lighting and other simple electrical loads.
2.G2 level requirements apply to loads that have the same voltage characteristics as those of public power systems. When its load changes, there may be temporary but allowable voltage and frequency deviations. Such as lighting systems, pumps and fans, etc.
3.G3 level requirements apply to connecting equipment that has strict requirements on frequency, voltage and waveform characteristics. Such as radio communications and thyristor rectifier controlled loads.
4.G4 level requirements are applicable to loads with particularly strict requirements on frequency, voltage and waveform characteristics. Such as data processing equipment or computer systems.
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