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Abstract
It has recently been illustrated that the Unified Power Flow Controller (UPFC) installation location plays an important role in effecting nonlinearly in the UPFC steady state performance of the system. A Pulse Width Modulation (PWM) based on UPFC as a voltage regulator is modeled and analyzed to investigate the optimal position in the transmission line. From the study made in this paper, it is shown that the location of UPFC plays a significant part in effecting nonlinearly. It is also found from the simulation results that the distribution of the active and reactive power flows can be controlled by varying the modulation index of the device.
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References
- GYUGYI, L. 1992. Unified power flow controller concept for flexible e AC transmission systems, IEE Proceeding-C, 139(4): 323-331.
- GYUGYI, L. 1994. Dynamic compensators of AC transmission lines by solid state synchronous voltage source. IEEE Trans. On Power Systems 9(2): 904-911.
- GYUGYI, L. and HINGORANI, N.G., Nannery, P.R. and Tai, N. 1990. Advanced static VAR compensators using Gate-turn-off thyristors for utility applications, CIGRE .23-203.
- GYUGYI, L., SCHAUDER, C.D., WILLIAMS, S.L., RIETMAN, T.R., TORGERSON, D.R. and EDRIS, A. 1995. The unified power flow controller: a new approach to power transmission control, IEEE Transactions on Power Delivery, April 1995.
- FUERTE-ESQUIVEL, C.R. and ACHA, E. 1997. Unified power flow controller: a critical comparison of Newton-Raphson UPFC algorithms in power studies, IEE Proceeding-C Generation Transmission Distribution, 144(5):457-464.
- MOHAN, N. UNDELARD, T.M. and ROBBINS, W.P. 1998. Power electronics converters applications and design, John Wiley and Sons.
References
GYUGYI, L. 1992. Unified power flow controller concept for flexible e AC transmission systems, IEE Proceeding-C, 139(4): 323-331.
GYUGYI, L. 1994. Dynamic compensators of AC transmission lines by solid state synchronous voltage source. IEEE Trans. On Power Systems 9(2): 904-911.
GYUGYI, L. and HINGORANI, N.G., Nannery, P.R. and Tai, N. 1990. Advanced static VAR compensators using Gate-turn-off thyristors for utility applications, CIGRE .23-203.
GYUGYI, L., SCHAUDER, C.D., WILLIAMS, S.L., RIETMAN, T.R., TORGERSON, D.R. and EDRIS, A. 1995. The unified power flow controller: a new approach to power transmission control, IEEE Transactions on Power Delivery, April 1995.
FUERTE-ESQUIVEL, C.R. and ACHA, E. 1997. Unified power flow controller: a critical comparison of Newton-Raphson UPFC algorithms in power studies, IEE Proceeding-C Generation Transmission Distribution, 144(5):457-464.
MOHAN, N. UNDELARD, T.M. and ROBBINS, W.P. 1998. Power electronics converters applications and design, John Wiley and Sons.