FOREWORD
INTRODUCTION
Clause
SECTION 1: GENERAL
1.1 Scope
1.2 Normative references
SECTION 2: DEFINITIONS
2.1 Impulse techniques and insulation
     2.1.1 Impulse
     2.1.2 Partial breakdown
     2.1.3 Clearance [IEV 441-17-31]
     2.1.4 Creepage distance [IEV 151-03-37]
     2.1.5 Solid insulation
2.2 Characteristics related to disruptive discharge
     and test voltages
     2.2.1 Disruptive discharge
     2.2.2 Characteristics of the test voltage
     2.2.3 Disruptive discharge voltage
     2.2.4 Withstand voltage
     2.2.5 Assured disruptive discharge voltage
SECTION 3: GENERAL REQUIREMENTS RELATING TO TEST
           PROCEDURES AND TEST OBJECTS
3.1 General requirements for test procedures
3.2 General arrangement of the test object
3.3 Atmospheric conditions
     3.3.1 Standard reference atmosphere
     3.3.2 Atmospheric correction factor
SECTION 4: TESTS WITH DIRECT VOLTAGE
4.1 Definitions for direct voltage tests
     4.1.1 Value of the test voltage
     4.1.2 Ripple
4.2 Test voltage
     4.2.1 Requirements for the test voltage
     4.2.2 Generation and measurement of the test
            voltage
4.3 Test procedures
     4.3.1 Withstand voltage tests
     4.3.2 Assured disruptive discharge voltage tests
SECTION 5: TESTS WITH ALTERNATING VOLTAGE
5.1 Definitions for alternating voltage tests
     5.1.1 Requirements for the test voltage
     5.1.2 Generation and measurement of the test
            voltage
     5.1.3 Measurement of the test voltage
5.3 Test procedures
     5.3.1 Withstand voltage tests
     5.3.2 Assured disruptive discharge voltage tests
SECTION 6: TESTS WITH IMPULSE VOLTAGE
6.1 Definitions for impulse tests
     6.1.1 Definitions of general applicability
6.2 Test voltage
     6.2.1 Standard impulse
     6.2.2 Tolerances on standard impulse
     6.2.3 Generation of the test voltage
     6.2.4 Measurement of the test voltage and impulse
            voltage waveshape
6.3 Test procedures
     6.3.1 Calibration of impulse voltage waveshape
     6.3.2 Withstand voltage tests
     6.3.3 Assured disruptive discharge voltage tests
SECTION 7: TESTS WITH IMPULSE CURRENT
7.1 Definitions for impulse current tests
     7.1.1 Impulse current
     7.1.2 Value of the test current
     7.1.3 Virtual front time T[1]
     7.1.4 Virtual origin O[1]
     7.1.5 Time to halt-value T[2]
     7.1.6 Duration of peak of a rectangular impulse
            current T[d]
     7.1.7 Total duration of a rectangular impulse
            current T[t]
7.2 Test current
     7.2.1 Standard impulse currents
     7.2.2 Tolerances
     7.2.3 Measurement of the test current
     7.2.4 Measurement of voltages during tests with
            impulse current
7.3 Test procedures
SECTION 8: COMPOSITE TESTS
8.1 Definitions for composite tests
     8.1.1 Introduction
     8.1.2 Test voltages and currents
     8.2.3 Generation of test voltage and current
     8.2.4 Verification of hybrid impulse generator
            characteristics
     8.2.5 Measurement of test voltage and current
8.3 Test procedures with the hybrid impulse generator
     alone
     8.3.1 Preparation of equipment
     8.3.2 Impulse test sequence
     8.3.3 Assessment of test results
8.4 Test procedures with the hybrid impulse generator
     and mains
     8.4.1 General
     8.4.2 Preparation of equipment
     8.4.3 Impulse test sequence
     8.4.5 Assessment of test results
8.5 Test procedures with the conventional 1,2/50 impulse
     generator and mains
Figures
Annexes
A Arrangements for composite tests
B Information to be given in the test report