1000-4-12 © IEC:1995(E) − 3 −
CONTENTS
Page
FOREWORD............................................................................................................................ 5
INTRODUCTION....................................................................................................................... 6
Clause
1 Scope ............................................................................................................................... 7
2 Normative references ..................................................................................................... 8
3 General ............................................................................................................................ 8
4 Definitions........................................................................................................................ 9
5 Test levels ....................................................................................................................... 9
6 Test equipment ............................................................................................................... 10
6.1 Test generators ................................................................................................... 10
6.2 Verification of the characteristics of the test generators ............................... 12
6.3 Coupling/decoupling network ............................................................................ 13
7 Test set-up ...................................................................................................................... 14
7.1 Earthing connections .......................................................................................... 14
7.2 Equipment under test ......................................................................................... 15
7.3 Coupling/decoupling network ............................................................................ 16
7.4 Test generators ................................................................................................... 17
8 Test procedure ................................................................................................................ 17
8.1 Laboratory reference conditions ....................................................................... 17
8.2 Execution of the test ........................................................................................... 17
9 Test results and test report ........................................................................................... 22
Figures
1 Waveform of the ring wave (open-circuit voltage and short-circuit current).......... 23
2 Example of schematic circuit of the test generator for ring wave ........................... 23
3 Waveform of the damped oscillatory wave ................................................................ 24
4 Example of schematic circuit of the test generator for damped oscillatory wave . 24
5 Example of test set-up for table-top equipment using the ground reference
plane ............................................................................................................................... 25
6 Example of test set-up for floor-standing equipment using the ground
reference plane ............................................................................................................. 25
7 A.C./D.C. power supply port, single phase, line-to-ground test .............................. 26
8 A.C. power supply port, three phases, line-to-ground test ...................................... 27
