march/april 2016 ieee power & energy magazine 75 F3 79.3 Mvar F4 79.3 Mvar Benmore 220 kV -350 kv 535-km dc Line Section South Island Stage 3 Stages 1 and 2 Existing +350 kv 40-km Cook Strait Cables Cable 4 Cable 7 35-km dc Line Section North Island Pole 2 (Existing Thyristor Converters 700 MW) Pole 3 (New Thyristor Converters 700 MW) Cable 6 Cable 5 40-km Cook Strait Cables figure 3. A schematic diagram of the proposed New Zealand HVdc link refurbishment. Benmore 16 kV Reactive Power Supply to Pole 3 at Benmore New 220-kV Reactive Plant Stages 1 and 2 New 220-kV Reactive Plant Stage 3 C2 60 Mvar T5 C10 C9 C8 C7 16 Mvar F7 16 Mvar F8 C7-C10 65 Mvar Each C3 C4 R5 35 Mvar Each 40 Mvar Haywards Haywards 220 kV 110 kV F3 106.3 Mvar F4 106.3 Mvar R1 60 Mvar 40 Mvar T2 C1 T1 Reactive Power Supply to Pole 3 at Haywards New 220-kV Reactive Plant and SVS Stages 1 and 2 New 220-kV Reactive Plant Stage 3