RCD Usage and Earthing Requirements for Portable Generators
ELECTRICAL STANDARDS
RCD USAGE AND EARTHING REQUIREMENTSFOR PORTABLE GENERATORS
Rev: B
Our Ref: UDP13_255-0220
Prepared by
TABLE OF CONTENTS
1RCD Usage and Earthing Requirements on Portable Generators
31.1Residual Current Devices (RCDs) Protection - Theory of
Operation31.2Typical Generator Configurations and Return Paths for
Faulted Current.41.2.1Small Generators ( 3kVA to
25kVA)51.3Electrical Requirements and Testing Adopted for Each
Generator Size61.3.1Small Generators ( 3kVA to
