Multi-DSP and -FPGA-Based Fully Digital Control System for Cascaded Multilevel Converters Used in FACTS Applications

Atalik T., Deniz M., Koc E., Gercek C. O., Gultekin B., ERMİŞ M., ...Daha Fazla

IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS, cilt.8, sa.3, ss.511-527, 2012 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 8 Sayı: 3
  • Basım Tarihi: 2012
  • Doi Numarası: 10.1109/tii.2012.2194160
  • Dergi Adı: IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.511-527
  • Anahtar Kelimeler: Cascaded multilevel converter (CMC), digital controller, digital signal processor (DSP), field-programmable gate array (FPGA), transmission type static synchronous compensator (T-STATCOM), SPACE-VECTOR PWM, INDUSTRIAL CONTROL, DESIGN
  • Orta Doğu Teknik Üniversitesi Adresli: Evet

Özet

In this paper, a fully digital controller based on multiple digital signal processor (DSP) and field-programmable gate array (FPGA) boards has been proposed for parallel-operated cascaded multilevel converters (CMC) used in flexible AC transmission system (FACTS) applications. The proposed system is composed of a DSP-based master controller in combination with a multiple number of slave DSP boards, FPGA boards, microcontrollers, a programmable logic controller (PLC), an industrial computer, and their peripherals in interaction. Inter-communication of these digital controllers is achieved mainly through fiber-optic links, via synchronous serial data link wherever a high-speed, full duplex communication is needed, and via asynchronous serial communication interface wherever relatively slow communication speed is required. The proposed fully-digital control system has been implemented on a sample 11-level CMC-based 154-kV, +/-50-MVAr transmission type static synchronous compensator (T-STATCOM). Field test results have shown that the proposed fully digital control system provides good transient response and steady-state characteristics for the oveall system including protection and monitoring functions.