Preventing Voltage Sags and Interruptions. # Equipment supplier awareness: # Customers level protection: # Utility level protection: - Sag magnitude and.

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Presentation transcript:

Preventing Voltage Sags and Interruptions

# Equipment supplier awareness: # Customers level protection: # Utility level protection: - Sag magnitude and duration control. -Equipment supplier should provide the minimum voltage sag ride-through capability curves to the customers. - Customers should understand the curves as well as characteristics of the equipment.

# Customers level protection and carefulness: -UPS (Uninterruptible Power Supply) -Energy storage device installation (SMES, Flywheel, super-capacitor, battery, etc.) -Voltage sag mitigation - Fluctuations minimization

# Control and fault clearing issues: - Primary controls -Automatic Circuit Recloser -Auxiliary controls -Sectionalizer -Fuse - Optimal reclosing technique

Typical System

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