Table of Contents

GE / Breaker arcing current _ Element settings & highlights _ GU8229

Table of Contents

Overview

The “Breaker arcing current” element calculates an estimate of the per-phase wear on the breaker contacts by measuring and integrating the current squared passing through the breaker contacts as an arc.

For more detailed information on “Breaker arcing current” 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

Products Hex address Register name Range Units Step Format Default
B30, C60, C70, C95, D30, D60, F35, F60, G30, G60, L30, L60, L90, M60, T35, T60 4A25 Breaker 1 Arcing Amp Function 0 to 1 1 F102 0 (Disabled)
" 4A26 Breaker 1 Arcing Amp Source 0 to 5 1 F167 0 (SRC 1)
" 4A27 Breaker 1 Arcing Amp Init 0 to 4294967295 1 F300 0
" 4A29 Breaker 1 Arcing Amp Init B 0 to 4294967295 1 F300 0
" 4A2B Breaker 1 Arcing Amp Init C 0 to 4294967295 1 F300 0
" 4A2D Breaker 1 Arcing Amp Delay 0 to 65.535 s 0.001 F001 0
" 4A2E Breaker 1 Arcing Amp Limit 0 to 50000 kA2-cyc 1 F001 1000
" 4A2F Breaker 1 Arcing Interruption Rating 0 to 100 kA 0.1 F001 315
" 4A30 Breaker 1 Arcing Clear Arcing Amps 0 to 4294967295 1 F300 0
" 4A32 Breaker 1 Arcing Amp Block 0 to 4294967295 1 F300 0
" 4A34 Breaker 1 Arcing Amp Target 0 to 2 1 F109 0 (Self-reset)
" 4A35 Breaker 1 Arcing Amp Events 0 to 1 1 F102 0 (Disabled)
" 4A36 …Repeated for Breaker 2 Arcing Amp          
B30, C60, C70, C95, F35, F60, L90, T35, T60 4A47 …Repeated for Breaker 3 Arcing Amp          
B30, C60, C95, F35, F60, L90, T35, T60 4A58 …Repeated for Breaker 4 Arcing Amp          
B30, F35, T35, T60 4A69 …Repeated for Breaker 5 Arcing Amp          
" 4A7A …Repeated for Breaker 6 Arcing Amp          
F102 0 = Disabled, 1 = Enabled
F109 0 = Self-reset, 1 = Latched, 2 = Disabled
F167 0 = SRC 1, 1 = SRC 2, 2 = SRC 3, 3 = SRC 4, 4 = SRC 5, 5 = SRC 6

Logics & highlights


Arcing current measurement

Arcing current measurement

Breaker arcing current logic

Breaker arcing current logic

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