FACTS Devices For Smart
Grid
Presented by:
Bikram Choudhury
Regd. No. : 1101301040
Department of Electrical And Electronics
Engineering
9 April 2015
Outlines
 FACTS Devices
 Smart Grid
 FACTS Controller
 Conclusion
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FACTS Devices
AC TS
PE components
Static Controllers
Power Flow capability
and controllability
Definition of FACTS Devices
Ex: STATCOM, SVC, TCSC, UPFC, TCR.
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Why FACTS Devices ?
 Greater power control.
 Secure loading of transmission lines.
 Greater ability to transfer the power.
 Prevention of cascading outages.
 Damping of power system oscillation.
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Traditional Power grid
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Smart Grid
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Challenges to Smart Grid
 Congestions due to overload condition.
 Enhancing PQRAS……….
 Technical barriers.
 Regulatory barriers.
 Economic barriers.
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STATCOM
Comparable
Synchronous
Condenser
Supply
Regulate
Variable Reactive Power
And
Voltage
Principle of STATCOM
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Application of STATCOM
 Act as an Active Filter .
 Controls the reactive Power with voltage support.
 Faster response to import power.
 Faster voltage regulation at load.
 High performance during low voltage condition.
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SVC
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Application of SVC
 Provide fast acting reactive power.
 Reactive power directly proportional to bus voltage.
 Faster response time.
 Enhance the transient stability margin.
 Enhance Voltage.
 Reduce voltage variation.
 Voltage control, Frequency Stabilization.
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SVC and TCSC
 Both builds a module ( Fixed Parallel capacitance +
Thyristor controlled reactor).
 Reduce congestions and power overload in lines.
 SVC injecting or absorbing reactive power in order to
control the voltage.
 TCSC modify the line impedance and control the power
flow.
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UPFC
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Application of UPFC
 Simultaneously
control 3 parameters(i.e., voltage,
impedance, phase angle) and this unique capability is
signified by the adjective “unified” in its name.
 It controls the voltage regulation, phase shifting, Series
compensation.
 It control both the real and reactive power.
 Power flow control under power system oscillation and
transmission line faults.
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Conclusion
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