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GE / Subharmonic stator ground fault _ Element settings & highlights _ GU8056

Table of Contents

Overview

For more detailed information on “Subharmonic stator ground fault” element, refer to GE, Universal Relay (UR) family of products, Version 8.0x manuals.

To see other supported elements, click here.

Setting Parameters

Modbus memory map for Setting parameters

Stator Ground Source element

Products Hex address Register name Range Units Step Format Default
G30, G60 41A2 Stator Ground Source 0 to 5 — 1 F167 0 (SRC 1)
F167 0 = SRC 1, 1 = SRC 2, 2 = SRC 3, 3 = SRC 4, 4 = SRC 5, 5 = SRC 6

Sub-harmonic stator ground fault element

Products Hex address Register name Range Units Step Format Default
G60 41A3 Subharmonic Stator Ground Function 0 to 1 — 1 F102 0 (Disabled)
" 41A4 Subharmonic Stator Ground Stage 1 Pickup 1 to 20 kOhm 1 F001 10
" 41A5 Subharmonic Stator Ground Stage 1 Pickup Delay 0.1 to 600 s 0.1 F001 100
" 41A6 Subharmonic Stator Ground Stage 2 Pickup 1 to 20 kOhm 1 F001 3
" 41A7 Subharmonic Stator Ground Stage 2 Pickup Delay 0.1 to 600 s 0.1 F001 10
" 41A8 Subharmonic CT Angle Compensation -30 to 30 degrees 0.1 F002 0
" 41A9 Subharmonic Stator Ground OC Pickup 0.001 to 1 pu 0.001 F001 10
" 41AA Subharmonic Stator Ground OC Delay 0.1 to 600 s 0.01 F001 100
" 41AB Subharmonic Stator Ground Volt Supv 0 to 0.1 pu 0.001 F001 0
" 41AC Subharmonic Stator Ground Curr Supv 0 to 0.1 pu 0.001 F001 0
" 41AD Subharmonic Stator Ground Block 0 to 4294967295 — — F300 0
" 41AF Subharmonic Stator Ground Events 0 to 1 — 1 F102 0 (Disabled)
" 41B0 Subharmonic Stator Ground Target 0 to 2 — 1 F109 0 (Self-reset)
F102 0 = Disabled, 1 = Enabled
F109 0 = Self-reset, 1 = Latched, 2 = Disabled

Logics & highlights

Stator ground fault detection by sub-harmonic injection

Stator ground fault detection by sub-harmonic injection

Sub-harmonic stator ground fault logic

Sub-harmonic stator ground fault logic
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