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A Project report on “Optimal Placement of Shunt Connected Facts Device in a Series Compensated

Long Transmission Line” MASTER OF TECHNOLOGY

INPOWER ELECTRONICS

By P.SRAVAN KUMAR

M.Tech. (POWER ELECTRONICS)Regd. No:08241D4315under the guidance of

V.VIJAYARAMARAJUAssociate professor

DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERINGGOKARAJU RANGARAJU INSTITUTE OF

ENGINEERING AND TECHNOLOGY

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AIM OF PROJECT • Introduction….• Why do we use FACTS….?• Different types of FACTS

Controllers….• Transmission line model……• Optimal location of shunt fact

devices….. • Conclusion….

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Basics of power transmission networks

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Classification of facts controllers Shunt Controllers :

Static Synchronous Compensator(STATCOM).

Static-Synchronous Generator(SSG).

Superconducting Magnetic Energy Storage(SMES).

Static VAR Compensator(SVC).

Thyristor-controlled Reactor(TCR).

Thyristor-controlled Dynamic Brake(TCDB). Series Controllers : Static Synchronous Series Compensator(SSSC).

Thyristor-controlled Series Capacitor(TCSC).

Thyristor-controlled Series Reactor(TCSR).

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Combined Series-Series Controllers :

Inter-line Power Flow Controller(IPFC).

Combined Series-Shunt Controllers :

Unified Power Flow Controller(UPFC).

Thyristor-controlled Phase Shifting transformer(TCPST).

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Static var compensator

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SVC USING A TCR AND TSC

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STATCOM

6 pulse statcom

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SERIES COMPENSATED TRANSMISSION LINE WITH SHUNT FACTS DEVICES

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Matlab simulation circuit and results

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variation of maximum sending end power for different values of %s

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variation of receiving end power for different values of %s

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Variation in transmission angle at the max. SE power for different . %S.

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variation of maximum sending end power of

section 2 against k for different values of %s

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CONCLUSIONS

  This simulation investigates the effect of series compensation on the optimal location of

a shunt FACTS controller to get the highest possible benefit of maximum power transfer and

system stability. Various results were found for an actual line model of a series compensated

345 kV, 450 km line. It has been found that the optimal location of the shunt FACTS controller

is not fixed as reported by many researchers in the case of uncompensated lines but it changes

with the change in degree of series compensation.

The deviation in the optimal location of the shunt FACTS controller from the center point

of line depends upon the degree of series compensation and it increases almost linearly from the

center point of the transmission line towards the generator side as the degree of series

compensation (%S) is increased. Both the power transfer capability and stability of the system

can be improved much more if the shunt FACTS controller is placed at the

new optimal location instead of at the mid-point of the line

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THANK YOU