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Schneider ATV930D75N4
Schneider ATV930D75N4 is a 75kW Variable Speed Drive (VSD) manufactured by Schneider Electric. It belongs to the Altivar Process series, specifically designed for industrial applications that require precise process control. This device supports 380V/400V/480V three-phase power input, is equipped with a brake unit, and has an IP21 protection rating, making it suitable for use in clean, dry industrial environments.
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Core Specifications
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Specification
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Detailed Value
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Model
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ATV930D75N4
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Power
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75 kW
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Power Supply Voltage
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380/400/480 V Three-phase
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Protection Rating
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IP21
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Key Features
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With Brake Unit
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Standards & Certifications
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Complies with IEC/EN 60204-1 (Safety Standard), IEC/EN 61508 (Functional Safety); holds UL, CSA, CE, TUV and other certifications
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Product Features
Precise Process Control
Designed specifically for process control applications, this series of VSDs features high-precision current/power measurement functions and a built-in energy dashboard. It can real-time monitor energy consumption and provide optimization suggestions.
Efficient Braking
Equipped with a built-in brake unit, it can quickly absorb feedback energy when the equipment stops, preventing motor damage from impact. It is suitable for application scenarios that require frequent starting and stopping.
Eco-friendly Design
As part of the Green Premium series, it complies with environmental standards such as RoHS and REACH, adopts a mercury-free design, and uses recycled cardboard packaging, committing to reducing carbon footprint.
Energy Optimization Function
Supports the Stop and Go function, which can automatically turn off the motor power when the load demand decreases, reducing energy consumption.
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Structure and Composition
Main Control Unit (CPU)
Responsible for executing frequency conversion control algorithms, processing input signals (analog/digital) and driving power modules.
Power Module (IGBT/IGCT)
Located at the bottom of the equipment, it is responsible for converting direct current into variable-frequency three-phase alternating current to directly drive the motor.
Brake Resistor
When the motor is in the deceleration or braking phase, the feedback electrical energy is converted into heat energy and dissipated on the brake resistor.
Communication Interface
Supports field bus protocols such as Modbus, Profibus, and CANopen for integration with PLC or upper computer systems.
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Typical Application Fields
- Chemical and Petrochemical: Speed control of mixers, blowers, pumps, etc.
- Food and Beverage: Liquid transportation, mixing, and packaging machinery.
- Printing and Packaging: Roller drive, inkjet systems.
- Energy and Water Treatment: Pump station speed regulation, fan control.
Installation and Maintenance Recommendations
Installation Method
Vertical mounting is required. During installation, the chassis must be kept at a certain distance from the wall to leave space for air circulation from bottom to top to achieve effective heat dissipation.
Environmental Requirements
Suitable for indoor dry environments without corrosive gases. If installed in a humid or dusty environment, additional protective measures must be taken.
Maintenance Inspections
- Regularly check the heat dissipation of the brake resistor to prevent overheating.
- Check the input power voltage waveform to ensure there is no overvoltage or undervoltage.
- Monitor the operation status of the equipment through the built-in energy dashboard to timely detect abnormal loads or faults.
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