Load shedding scheme for an interconnected hydro-thermal hybrid system with SMES
Received date: 23 Apr 2012
Accepted date: 20 Jun 2012
Published date: 05 Sep 2012
Copyright
The frequency of the power system varies based on the load pattern of the consumers. With continuous increase in the load, the frequency of the system keeps decreasing and may reach its minimum allowable limits. Further increase in the load will result in more frequency drop leading to the need of load shedding, if excess generation is not available to cater the need. This paper proposed a methodology in a hybrid thermal-hydro system for finding the required amount of load to be shed for setting the frequency of the system within its minimum allowable limits. The load shedding steps were obtained based on the rate of change of frequency with the increase in the load in both areas. The impact of superconducting magnetic energy storage (SMES) was obtained on load shedding scheme. The comparison of the results was presented on the two-area system.
D. TYAGI , Ashwani KUMAR , Saurabh CHANANA . Load shedding scheme for an interconnected hydro-thermal hybrid system with SMES[J]. Frontiers in Energy, 2012 , 6(3) : 227 -236 . DOI: 10.1007/s11708-012-0198-6
1 |
Thompson J G, Fox B. Adaptive load shedding for isolated power systems. IEEE Proceedings of Generation, Transmission and Distribution, 1994, 141(5): 491–496
|
2 |
Concordia C, Fink L H, Poullikkas G. Load shedding on an isolated system. IEEE Transactions on Power Systems, 1995, 10(3): 1467–1472
|
3 |
Anderson P M, Mirheydar M. A low-order system frequency response model. IEEE Transactions on Power Systems, 1990, 5(3): 720–729
|
4 |
Anderson P M, Mirheydar M. An adaptive method for setting under frequency load shedding relays. IEEE Transactions on Power Systems, 1992, 7(2): 647–655
|
5 |
Maliszewski R M, Dunlop R D, Wilson G L. Frequency actuated load shedding and restoration Part I—Philosophy. IEEE Transactions on Power Apparatus and Systems, 1971, PAS-90(4): 1452–1459
|
6 |
Horowitz S, Polities A, Gabrielle A. Frequency actuated load shedding and restoration art II—Implementation. IEEE Transactions on Power Apparatus and Systems, 1971, 90(4): 1460–1468
|
7 |
Rudez U, Mihalic R. Monitoring the first frequency derivative to improve adaptive underfrequency load-shedding schemes. IEEE Transactions on Power Systems, 2011, 26(2): 839–846
|
8 |
Lokay H E, Burtnyk V. Application of under-frequency relays for automatic load shedding. IEEE Transactions on Power Apparatus and Systems, 1968, PAS-87(5): 1362–1366
|
9 |
Chuvychin V N, Gurov N S, Venkata S S, Brown R E. An adaptive approach to load shedding and spinning reserve control during under-frequency conditions. IEEE Transactions on Power Systems, 1996, 11(4): 1805–1810
|
10 |
Shilling S R. Electrical transient stability and under-frequency load shedding analysis for a large pump station. IEEE Transactions on Industry Applications, 1997, 33(1): 194–201
|
11 |
Kottick D, Or O. Neural-networks for predicting the operation of an under-frequency load shedding system. IEEE Transactions on Power Systems, 1996, 11(3): 1350–1358
|
12 |
Elgerd O I, Fosha C E. Optimum megawatt frequency—Control of multi-area electric energy systems. IEEE Transactions on Power Systems, 1970, PAS-89(4): 556–563
|
13 |
Giroletti M, Farina M, Scattolini R. A hybrid frequency/power based method for industrial load shedding. Electric Power and Energy Systems, 2012, 35(1): 194–200
|
14 |
Abraham R J, Das D, Patra A. Automatic generation control of an interconnected hydrothermal power system considering superconducting magnetic energy storage. International Journal of Electrical Power & Energy Systems, 2007, 29(8): 571–579
|
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