U.S. Department of Energy

10/22/2026 | News release | Distributed by Public on 10/22/2026 14:42

SEWS 8.2.7 - Motor-Generators

SEWS 8.2.7 - Motor-Generators

The seismic capacity for the equipment class of Motor-Generators (MG) maybe based on earthquake experience data, provided the intent of each of the caveats listed below is met. This equipment class includes motors and generators that are coupled into a motor-generator set (M-G set). Motor-generator sets are structurally similar to horizontal pumps, which consist of an electric motor connected to a pump through a shaft. Motor-generators are basically two motors connected through a common shaft.

Office of Environment, Health, Safety & Security

October 22, 2026
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The seismic capacity for the equipment class of Motor-Generators (MG) maybe based on earthquake experience data, provided the intent of each of the caveats listed below is met. This equipment class includes motors and generators that are coupled into a motor-generator set (M-G set). Motor-generator sets are structurally similar to horizontal pumps, which consist of an electric motor connected to a pump through a shaft. Motor-generators are basically two motors connected through a common shaft.

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