SVG for Reactive Power Compensation in Industrial Plants A shovel line that punished the capacitor bank A copper mine in Chile ran an 800 kW electric shovel with 1.2 MW peaks on a 690 V bus. Voltage flicker (Pst) measured 1.6 against the 1.0 limit, and the contactor-switched capacitor bank cycled more than 200 times per day. Contactors failed every seven months, and the site p...
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