New Zealand Equipment
A few images are attached from an older electromechanical Zellweger ripple plant near Silverdale. Many of these Zellweger plants are still in use in New Zealand. Frequency used is 1050 Hertz, superimposed upon the 50 Hz mains. Solid state Zellweger equipment is used as well, which can directly inject into the 22kV or 33kV sub transmission mains instead of the 11kV mains as with these older Zellweger plants.
Read more about this topic: Zellweger Off-peak
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