Adaptive Ripple Reduced Control of SRM Drives

Számel, László (2002) Adaptive Ripple Reduced Control of SRM Drives. In: SPEEDAM 2002, Symposium on Power Electronics, Electrical Drives,, 2002.06.11-2002.06.14, Ravello.

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Abstract

Nowadays s witched reluctance m o to r (SRM) drives h ave been w idel y used i n t h e fi el d of c ont rol l e d el ect ri c m o t o r dri v es. The paper proposes a m odel reference adapt i v e cont rol m e t hod for SR M dri v es. The m a i n goal of t he d r iv e co n t ro l is t o i m prove dy n am i cal perform ance by com pensat i ng for t h e m o t o r non lin earities. Th e ripple free operation can b e rea lize only with a n current w avef orm dependi ng on t h e angl e, s peed a nd t o rque. The proposed r i ppl e reduced m et hod c hanges onl y t h e t u rn-on and t h e t u rn-off angl e i n f unct i on of t he s peed a nd cur rent r eference. O ne of t he a dvant ages o f usi ng t h e ri ppl e reduced m et hod t h at i t do es not n eed t he r eal- tim e calcu latio n o r m easu r in g th e m o to r to rq u e . So it can b e im pl em ent e d on a cheap m i c rocont rol l e r. T he t est of t hi s cont rol m e t hod was perf orm e d i n a n experi m e nt al d ri ve s y s t e m . A S R M o f 6/ 8 pol e and 4 kW r at ed pow er w as u sed. Si m u l a t i on and experi m e nt al resul t s are present ed.

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