상황
A 690 V data center UPS system needs reactive power compensation and harmonic filtering. The design combines a detuned capacitor bank for steady-state PF correction with an active power filter for dynamic harmonic mitigation.
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01
Use a hybrid active/passive topology to handle both steady-state VAR demand and fast-varying harmonics
02
Include a 7% detuning reactor to protect capacitors from resonance and harmonic overload
03
Separate the APF coupling reactor and capacitor bank contactor for independent control and protection
Reuse this diagram when designing or documenting hybrid power quality solutions for data centers, industrial plants, or any 690 V distribution system with nonlinear loads requiring both PF correction and harmonic filtering.