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Back-to-back HVDC system using a 36-step voltage source converter

Back-to-back HVDC system using a 36-step voltage source converter

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© The Institution of Engineering and Technology
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A novel 36-step voltage source converter, that allow the number of steps in the output voltage to be increased is proposed. The operational feasibility of the 36-step converter is verified using computer simulations performed with the PSCAD/EMTDC programs and experimental studies performed on a 2 kVA hardware prototype. The propsed 36-step back-to-back converter is shown to be able to indpendently control the active and reactive power of HVDC systems.

Inspec keywords: HVDC power convertors; reactive power control; power engineering computing; digital simulation

Other keywords: active control; back-to-back HVDC system; voltage source converter; 2 kVA; PSCAD-EMTDC program; reactive power control; computer simulation

Subjects: Power convertors and power supplies to apparatus; Power engineering computing; Power and energy control; Control of electric power systems

References

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    3. 3)
      • Yonghe, L., Arrillaga, J., Watson, N.: `EMTDC assessment of a new type of VSC for back to back HV DC interconnections', Int. Conf. on Power System Transients-IPST 2003 in New Orleans, LA, USA, p. 1–5.
    4. 4)
      • K. Oguchi . A novel six-phase inverter system with 60-step output voltage for high-power motor drives. IEEE Trans. Ind. Appl. , 5 , 1141 - 1149
    5. 5)
      • Ramey, D.: ‘Design, Installation, and Operation of American Electric Power (AEP) 320 MVA Unified Power Flow Controller (UPFC)’, EPRI (Electric Power Research Institute), Palo Alto, CA, Tech. Rep. TR-113839, Nov. 1999.
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      • L. Yonghe , J. Arrillaga , N. Watson . Multi-level voltage sourced conversion by voltage reinjection at six times the fundamental frequency. IEE Proc. Electr. Power Appl. , 3 , 201 - 207
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