Tuning the under excitation limiter and power system stabilizer in power system network | ||
| The International Conference on Electrical Engineering | ||
| Article 133, Volume 6, 6th International Conference on Electrical Engineering ICEENG 2008, May 2008, Pages 1-12 PDF (269.58 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/iceeng.2008.34498 | ||
| Authors | ||
| S. Mohammad Tabatabaie1; Masoud Aliakbargolkar2; Hamid Lesani3 | ||
| 1is a Msc at Department of Electrical Engineering, in K.N.Toosi University, Tehran, Iran. | ||
| 2is a Professor at same Department and University, Tehran, Iran. | ||
| 3is a Professor at same Department, Tehran University, Tehran, Iran. | ||
| Abstract | ||
| Abstract: Under excitation limiter is one of the standard auxiliary control devices in synchronous generators that it has been widely used since the advent of the automatic voltage regulator (AVR) for excitation control. Under-Excitation limiter usually used to prevent generators for going out the steady-state stability limited. The survey on power swing and rotor angle stability has accomplished in Shaheed Rajaee power station which is one of the biggest power plants with four units of 312.5 MVA in Iran. In this paper, the 1st and 3rd order system model are designed and compared together. UEL can cause generator instability if this setting is inappropriate. Show using the 1st order system model for designing the UEL can only be used when the PSS is activate and the absence of the PSS. However, it may cause to be instability and will be much better performance if the 3rd order model with PSS uses for designing of the UEL. | ||
| Keywords | ||
| Under-Excitation controller; Power System Stabilizer | ||
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