The scenario
A 480 V industrial plant needs power factor correction and must avoid resonance with 5th and 7th harmonics; a detuned capacitor bank with series reactors provides compensation while shifting resonance below the harmonic orders.
What is in this drawing
Read the decisions behind it.
01
Use 7% detuned reactors to shift resonant frequency below the 5th harmonic
02
Wye-connected capacitor bank with grounded neutral for 277V phase voltage
03
Include discharge resistors across capacitors for safety
Reuse for industrial power factor correction where non-linear loads generate 5th/7th harmonics and detuned banks prevent harmonic amplification.
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