Product briefVoltage: 380V
Phase: 3
Power: 3.7KW
Communication method: RS485
OverviewMeet the MDK / MDD energy‑efficient motor drives, a family of variable frequency drives engineered for industrial applications where energy savings, precise motor control and electromagnetic compatibility are required. These drives combine advanced power conversion, optimized control algorithms and integrated energy‑management features to reduce operating costs and simplify integration into new or existing installations.
Features- Ultra‑high efficiency: typical average efficiency ≈98% using high‑efficiency IGBT modules and optimized PWM to minimize losses and heat.
- Variable speed control: built‑in PID and flexible control profiles to match motor speed to process demands and reduce wasted energy.
- Regenerative energy handling: regenerative braking recovers energy during deceleration and returns it to the grid or storage, providing up to ~30% energy savings in frequent‑braking applications.
- Low EMI emission: integrated filters and shielding for electromagnetic compatibility; designed to meet IEC 61800‑3 to reduce the need for external filtering.
- User interface and connectivity: intuitive HMI for parameter setup and monitoring; communication via RS485 with optional Bluetooth/Wi‑Fi for remote access and mobile diagnostics.
Applications- Pump and fan systems: variable speed matching to demand for HVAC, water treatment and industrial fluid handling.
- Conveyor systems: adaptive load sensing for smooth material flow in logistics and manufacturing.
- Compressors: soft‑start and precise pressure control to reduce inrush currents and mechanical stress.
- Food & beverage processing: compatibility with washdown environments via optional stainless‑steel enclosures and IP65 ratings.
- Renewable energy systems: efficient power conversion and support for regenerative or battery‑backed configurations in solar and small hydro installations.
FAQ (selected)- How much energy can be saved? Savings depend on application and duty cycle; typical ranges are 20%–50% depending on load profile.
- Are the drives suitable for retrofitting? Yes—universal I/O and multiple motor type support ease integration into existing systems.
- What is the IP rating? Standard units are IP20 for indoor use; optional IP65/IP66 and stainless‑steel enclosures are available for harsh environments.
- Can drives operate in synchronous mode with multiple motors? Yes—supports master‑slave synchronization via dedicated communication protocols for coordinated multi‑motor systems.
- How does regenerative braking interface with the grid? Regenerated energy is converted back to AC via a built‑in active front end (AFE) that maintains unity power factor and reduces harmonics when feeding the grid.
Technical specifications- Model family: MDK / MDD Motor Drives
- Rated voltage: 380 V
- Phase: 3‑phase
- Rated power (example): 3.7 kW
- Communication: RS485 (serial); optional Bluetooth/Wi‑Fi for mobile connectivity
- Efficiency: typical average ≈98% (high‑efficiency IGBT modules + optimized PWM)
- Control: variable speed with built‑in PID
- Regenerative braking: supported; can recover energy (up to ~30% savings in frequent‑braking cycles)
- EMC/EMI: integrated filters and shielding; designed to meet IEC 61800‑3
- Enclosure options: standard IP20; optional IP65/IP66 and stainless‑steel enclosure for washdown
- Typical applications: pumps, fans, conveyors, compressors, food & beverage, renewable energy systems