Abstract
Flexible ac transmission systems (FACTS) devices are attracting an increasing interest both in power system academic research and in electric utilities for their capabilities to improve steady-state performance as well as system stability. Several converter topologies for FACTS applications have been proposed in the recent literature, even if those based upon voltage source inverters (VSI) seem to be more attractive due to their intrinsic capability to rapidly respond to network changes such as perturbations subsequent to a fault and their property of being immune to resonance problem. In this paper, a new topology for inverter-based FACTS is proposed. This configuration, employing a two-leg three-phase inverter is employed for both series and parallel-connected reactive power compensators. The converter utilizes a modular topology for allowing a satisfaction of electronic components rating. A control strategy based on variable structure control technique with sliding mode is employed to track appropriate reference quantities. Design and control, as well as good tracking performances, are also verified through numerical simulations.
| Original language | English |
|---|---|
| Pages (from-to) | 361-370 |
| Number of pages | 10 |
| Journal | IEEE Transactions on Power Delivery |
| Volume | 23 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - Jan 2008 |
Keywords
- REACTIVE POWER COMPENSATION
- static synchronous series compensator (SSSC)
- SYSTEM
- SLIDING MODE CONTROL
- TOPOLOGIES
- static synchronous compensator (STATCOM)
- flexible ac transmission systems
- variable structure control
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