Instruction/ maintenance manual of the product AN070827-1 Hitachi
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AC INVERTER Application Note: SJ300 Fine Adjustment of Closed-Loop Vector Control for Low Frequency and Zero Speed Operation Please refer also to the relevant Inverter Instruction Manual AN070827-1 Hitachi America, Ltd.
1. Inverter model SJ300 2. Control Vector Control (V2 mode) 3. Application General applications where operation at low speed or zero speed operation is required. 4. Phenomenon Actual rotation of the motor does not match the target speed, or the rotation becomes unstable in the low frequency range (roughly less than 1 Hz).
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