iv Manual Change Information
Date Code 20020206 SEL-300G Instruction Manual
Revision Date Summary of Revisions
19980717 Create Relay Models 0300G2 and 0300G3, making synch-check option
available.
Add support for open-delta pts.
Add 27PP2, 59PP2 phase-to-phase voltage elements.
Add 21P phase mho distance elements, add EBUP setting to enable one backup
protection element at a time.
Add 87N ground differential element to models 0300G0 and 0300G2.
Add single-phase 50H2 element settings to models 0300G1 and 0300G3.
Reduce maximum voltage element setting to 200.0 V secondary
Remove 51P phase time-overcurrent element.
Add error message tables; add relay model tables to Section 1.
Modify page format.
19980429 Modify Appendix A.
19980417 Correct typographical errors; Clarify relay setting precision.
19980320 Added Section 13: Differential Element Settings;
Added differential element test information and Differential Element
Commissioning Worksheet to Section 7: Relay Commissioning;
Moved VNOM and INOM settings from Global to Group setting;
Added MET DIF and EVE DIF command descriptions;
Clarified the calculation of the 64G2P setting.
19980130 Initial Release.
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