Deenergizing capacitor banks can also result in restrikes that can damage the capacitor bank, switching device and other system components. With an inherent variability of output, however, the increase in renewable penetration, particularly that of solar and wind, has generated a greater need for frequent switching of these shunt capacitor banks.įor switching devices not specifically designed to this application, such as traditional circuit breakers and vacuum switches, energizing capacitor banks can result in harmful overvoltage and overcurrent transients. Shunt capacitor banks are a reliable and proven method to support this demand, providing voltage improvement, increased power flow capability, released capacity, and a reduction of line losses. As utilities move toward a green energy future, the transition to cleaner fuels and the increasing installation of large-scale and distributed renewable energy resources are fueling an increased need for reactive power compensation.
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