Keysight RP7971A Guide D'utilisation Et De Maintenance page 55

For 30 kW Models RP7981A, RP7982A, RP7983A, RP7984A
Inductive Load Boundary (500 V units)
Inductive Load Boundary (1.5 kV units)
1. The output is stable in this region
2. The output may overshoot in this region
3. The output may be unstable in this region
Keysight RP7970 & RP7980 Series Operating and Service Guide
1 Quick Reference
Inductive Load Boundary (1 kV units)
Inductive Load Boundary (2 kV units)
55