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General| Output Current | 3 A |
|---|---|
| Input Voltage | 200-240V AC |
| Power | 750W |
| Power Rating | 750W |
| Protection Features | Overcurrent, Overvoltage, Undervoltage |
Essential safety information for avoiding hazards and risks during drive operation and installation.
General warning regarding severe electrical shock hazards and lethal voltages associated with the drive.
Guidance on safe system design and installation practices for personnel safety when using the drive.
Explanation of Unidrive SP's use as an AC regenerative unit for four-quadrant operation with bi-directional power flow.
Key benefits of using Unidrive SP for AC regeneration, including energy saving and sinusoidal input current.
Detailed explanation of how the Unidrive SP acts as a sinusoidal rectifier, converting AC to controlled DC voltage.
Details on essential regen components like inductors, switching frequency filters, varistors, and external charging resistors.
Key factors to consider when sizing a regen system, including line voltage, motor ratings, and power requirements.
Calculations for sizing the Regen drive based on motoring drive power, losses, and supply conditions.
Guidance on sizing the Regen drive to meet the net peak power demand of multiple motoring drives and system losses.
Essential safety precautions for mechanical installation, including installer competence and isolation requirements.
Critical safety warnings regarding electrical shock, stored charge, and the need for isolation devices before servicing.
Diagrams and details for AC and DC power connections for Unidrive SP Regen drives, sizes 1 to 6, SPMA, and SPMD.
Comprehensive EMC requirements, including general guidelines, EN61800-3 compliance, and generic emission standards.
Guidance on setting key regen parameters like switching frequency and DC bus voltage set point for optimal performance.
Explanation of the step-by-step sequence for enabling the Regen drive, including line synchronization and motor drive enablement.
Procedures for commissioning the Regen drive, including parameter configuration and ensuring correct sequence of operations.
Using power feed-forward (Pr 3.10) to reduce transient DC bus voltage effects caused by fast load changes.
Optimising current loop gains (Kp, Pr 4.13; Ki, Pr 4.14) for stability, especially with higher input inductance.
Adjusting the voltage controller gain (Pr 3.06) to manage DC bus voltage transients and prevent over-voltage trips.
Information on drive status indications, alarms, and trip codes for diagnosing operational issues.
Table of maximum permissible continuous output current for wall-mounted drives at various switching frequencies and temperatures.
Fuse protection requirements for regen systems, AC supply fusing, and common DC bus fusing considerations.
Explanation of trip indications displayed on the drive, including keypad display and status LED.
How to access and interpret the drive's trip log, showing the last 10 trips and their occurrence times.
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