ABB RARIC - Default Chapter; Table of Contents

1MRK 502 001-UEN
Page 2
RARIC
Shaft current protection
Contents Page
1 APPLICATION........................................................................... 3
2DESIGN........................................................................................ 4
2.1 The RARIC protection ..................................................... 4
2.2 The ILDD shaft current transformer.............................. 5
3 MODE OF OPERATION........................................................... 6
4 RECEIVING, STORAGE AND INSTALLATION................. 8
4.1 Receiving............................................................................ 8
4.2 Storage................................................................................ 8
4.3 Installation......................................................................... 8
5 SETTING, TESTING AND COMMISSIONING.................... 9
5.1 Setting................................................................................. 9
5.2 Testing and commissioning .............................................. 9
5.2.1 Injection test............................................................ 9
5.2.2 Primary test............................................................. 9
6 MAINTENANCE ........................................................................ 9
7 TECHNICAL DATA ................................................................ 10
8DIAGRAMS............................................................................... 12
9 DIMENSION ILDD .................................................................. 15
10 MOUNTING ............................................................................. 16