3.3 Installation of a reactor 1 When the inverter is connected near a large-capacity power transformer (500 kVA or more) or when a power factor correction To prevent this, always install an AC reactor (FR-HAL), which is available as an option. capacitor is to be switched over, an excessive peak current may flow in the power input circuit, damaging the converter circuit.
2 • Three-phase power input Power supply system capacity (kVA) 3 Inverter AC reactor (FR-HAL) 1500 Range requiring installation of the reactor 5 MCCB MC R X U R/L1 1000 Power supply S Y S/L2 V M 500 5 T Z T/L3 W 0 10 Wiring length (m) • Single-phase power input 6 Inverter AC reactor (FR-HAL) MCCB MC R X U R/L1 7 Power supply S Y S/L2 M V Z W 8 9 10 57 3. PRECAUTIONS FOR USE OF THE INVERTER 3.3 Installation of a reactor