26-03-2011, 11:37 AM
Presented by-
Manish Sharma
Voltage Sag Analysis.ppt (Size: 394.5 KB / Downloads: 95)
Voltage Sag Analysis
WHAT ARE VOLTAGE SAGS ?
WHERE DO VOLTAGE SAGS OCCUR?
Utility Systems
Inside Industrial Plants
CAUSES OF VOLTAGE SAGS
MULTI PHASE SAGS AND SINGLE PHASE SAGS
Single Phase Sags
MULTI PHASE SAGS AND SINGLE PHASE SAGS
Phase to Phase Sags
Voltage-Sag Analysis- Methodology
Load Flow
Voltage Sag Calculation
Voltage Sag Occurrence Calculations
Study of Results of Sag- Analysis
Equipment Sensitivity Studies
Process controllers
Chip Testers
DC Drives
Programmable Logic Controllers
Machine Tools
SOLUTIONS TO VOLTAGE SAG PROBLEMS
VOLTAGE SAG CORRECTION DEVICES
Motor generator sets (M-G sets)
Uninterruptible Power supply (UPS's)
Constant voltage transformers (CVT's)
Magnetic synthesizers
Super conducting storage devices (SSD's)
Electronic Voltage Regulators
Typical Voltage Sag Mitigation Technologies And Costs
Future Aspects
Conclusion
The voltage sag integration program if implemented by utilities can yield the following benefits to utility,
Existing customer satisfaction may b e enhanced by quick correction of voltage sag
Power quality disputes can be settled.
Public relations will be better.
Even current protection can be evaluated as it applies to duration of voltage sag.
Manish Sharma
Voltage Sag Analysis.ppt (Size: 394.5 KB / Downloads: 95)
Voltage Sag Analysis
WHAT ARE VOLTAGE SAGS ?
WHERE DO VOLTAGE SAGS OCCUR?
Utility Systems
Inside Industrial Plants
CAUSES OF VOLTAGE SAGS
MULTI PHASE SAGS AND SINGLE PHASE SAGS
Single Phase Sags
MULTI PHASE SAGS AND SINGLE PHASE SAGS
Phase to Phase Sags
Voltage-Sag Analysis- Methodology
Load Flow
Voltage Sag Calculation
Voltage Sag Occurrence Calculations
Study of Results of Sag- Analysis
Equipment Sensitivity Studies
Process controllers
Chip Testers
DC Drives
Programmable Logic Controllers
Machine Tools
SOLUTIONS TO VOLTAGE SAG PROBLEMS
VOLTAGE SAG CORRECTION DEVICES
Motor generator sets (M-G sets)
Uninterruptible Power supply (UPS's)
Constant voltage transformers (CVT's)
Magnetic synthesizers
Super conducting storage devices (SSD's)
Electronic Voltage Regulators
Typical Voltage Sag Mitigation Technologies And Costs
Future Aspects
Conclusion
The voltage sag integration program if implemented by utilities can yield the following benefits to utility,
Existing customer satisfaction may b e enhanced by quick correction of voltage sag
Power quality disputes can be settled.
Public relations will be better.
Even current protection can be evaluated as it applies to duration of voltage sag.