1 Overview
1.1 Scope
1.2 Purpose
1.3 Application
2 References
3 Definitions
4 Principles of insulation coordination
4.1 General outline of the insulation coordination
procedure
4.2 Determination of the system voltage stress
4.3 Comparison of overvoltages with insulation
strength
4.4 Selection of standard insulation levels
4.5 Low-frequency, short-duration withstand
voltages
4.6 Standard BIL and BSL
4.7 Classes of maximum system voltage
4.8 Selection of the equipment standard insulation
level