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High Voltage Direct Current Transmission

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Figure

Fig. 1-1: Total cost/distanceCosts Total AC Cost Total DC CostDC LineDC TerminalsDC LossesAC LossesAC LineAC TerminalsBreak-Even  DistanceTransmissionDistance
Fig. 3-6: Reactive-power compensation and control   of an HVDC back-to-back link420 kV 50 Hz 420 kV 50 HzQ = 103 MvarQ = 103 MvarQ = 103 MvarQ = 103 MvarQ = 103 MvarQ = 103 Mvar Q (Mvar) High–pass filter 1High–pass filter 2 Capacitor Electronic bankreactiv
Fig. 5.1-1: Principle circuit diagram of a 12-pulse group   consisting of three quadruple valves
Fig. 5.1-4: The optical gate pulse is transmitted directly   to the thyristor wafer
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