Engineering studies for Itaipu converter station design

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Engineering studies for Itaipu converter station design

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© The Institution of Electrical Engineers
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The paper presents a discussion on some of the engineering studies performed to determine the design parameters of the Itaipu convertor stations. The following studies are discussed: steady-state conditions, reactive-power compensation, insulation co-ordination and arrester protective scheme, current stresses, system stability, main characteristics of the master control, AC and DC filter and DC line resonance. For each of these study areas, the paper gives a summary of the study methodology used, indicates the main study results, and includes some of the system problems encountered and the solution adopted.

Inspec keywords: power convertors; reactive power; hydroelectric power stations; power system control; insulation co-ordination; electromagnetic interference; rectifier substations; invertors

Other keywords: AC filter; electromagnetic interference; DC filter; Itaipu convertor station design; insulation co-ordination; current stresses; DC line resonance; steady-state conditions; reactive-power compensation; system stability; design parameters; arrester protective scheme

Subjects: Power convertors and power supplies to apparatus; Control engineering computing; Substations; Power system management, operation and economics; Electromagnetic compatibility and interference; Hydroelectric power stations and plants; Control of electric power systems

References

    1. 1)
      • Peixoto, C.A.O., Portela, C.M., Lobley, D.J., Jardini, J.A.: `Design optimization and environmental impact for the Itaipu ± 600 kV HVDC lines and electrode lines', Proceedings of CIGRE symposium on transmission lines and environment, 1981, Stockholm, Sweden.
    2. 2)
      • Peixoto, C.A.O.: `Itaipu 6300MW HVDC transmission system feasibility and planning aspects', Proceedings of the symposium on incorporating HVDC power transmission into system planning, 1980, Phoenix, Arizona, USA, p. 211–236.
    3. 3)
      • Peixoto, C.A.O., Clarke, C.D., Jardini, J.A., Mountford, J.D.: `Simulator and digital studies on Var compensation for the Itaipu HVDC transmission system', Proceedings of the IEEE 1980 international conference on overvoltage and compensation on integrated AC-DC systems, 1980, Winnipeg, Canada, p. 27–42.
    4. 4)
      • Bueno, E.G., Jardini, J.A., Johanson, A., Pääjärvi, B., Ekstron, A.: `Insulation co-ordination of the Itaipu HVDC stations application of ZnO arresters', CIGRÉ SC 33 meeting, 1981, Rio de Janeiro, Brazil.
    5. 5)
      • Peixoto, C.A.O., Taam, M., Frontin, S.O., Figueiredo, E.F., Porangaba, H., Svensson, S.: `Itaipu HVDC transmission-stability studies', CIGRÉ SC 14 meeting, 1981, Rio de Janeiro, Brazil.
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