Chapter 38
Voltage Sags
38.1 Voltage Sag Characteristics 38-1
Voltage Sag Magnitude: Monitoring • Origin of Voltage Sags • Voltage Sag Magnitude: Calculation • Propagation of Voltage Sags • Critical Distance • Voltage Sag Duration • Phase-Angle Jumps • Three-Phase Unbalance
38.2 Equipment Voltage Tolerance 38-9
Voltage Tolerance Requirement • Voltage Tolerance Performance • Single-Phase Rectifiers • Three-Phase Rectifiers
38.3 Mitigation of Voltage Sags 38-13
From Fault to Trip • Reducing the Number of Faults • Reducing the Fault-Clearing Time • Changing the Power System • Installing Mitigation Equipment • Improving Equipment Voltage Tolerance • Different Events and Mitigation Methods
References38-16
Further Information38-16
Math H.J. Bollen ...
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