Ashida ADR233B - Section 4 Protection Logic

ADR233B
Doc ID : ADR233B/IM/01
Ref ID : ADR233B/IM/PS
Rev No. : 05
Page No. : 116 of 479
Contents
4 PROTECTION FUNCTION & LOGIC FUNCTIONS 117
4.1 Overview 117
4.2 Application Data 118
4.3 GLOBAL Settings 119
4.3.1 General Settings 119
4.3.2 Settings Group 119
4.3.3 Port F Communication setting 120
4.3.4 Port 1 Communication setting 120
4.3.5 Port R Communication setting 121
4.3.6 IRIGB Port (Optional) 121
4.3.7 Disturbance Record Setting 121
4.4 CB CONTROL (W1/W2) 121
4.4.1 CB Supervision Function (W1/W2): 121
4.4.2 Trip Circuit Supervision Alarm (W1/W2): 122
4.4.3 CB Open Supervision (W1/W2) and CB Open Operation Alarm (W1/W2) 123
4.4.4 CB CONTROL Operation (W1/W2): 124
4.5 SYSTEM CONFIG Settings 125
4.6 Two winding Phase Differential Protection 126
4.7 Restricted Earth Fault (64R) Protection 133
4.8 Inrush Blocking 136
4.9 Non Directional Phase Over current (50/51) Protection (W1/W2) 137
4.10 Non Directional Ground Over current (50/N/51N) 137
4.11 Non Directional Residual Over current (50N/51N) Protection (W1/W2) 138
4.12 Sequence Over Current Protection (W1/W2) 139
4.13 IDMT Characteristics 140
4.13.1 Timer Hold Facility / Reset Characteristics 144
4.14 Under/Over Voltage (27/59) 147
4.15 V/Hz Protection (Over Excitation) 148
4.16 Circuit Breaker Failure detection Function (W1/W2) 148
4.16.1 CBF Operating Logic (CB FAIL) 149
4.17 Thermal Overload Protection Function 150
4.18 Programmable Logic control 152