MD5204T75S-INT AC Drive, Three Phase, 380V to 480V,75kw - Inovance Ac Drive

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MD5204T75S-INT AC Drive, Three Phase, 380V to 480V,75kw - Inovance Ac Drive Specification

Product Type
VFD

Application
Industrial Machinerry

Color
Grey And Black

Usage & Applications
Industrial Machinerry

Warranty
1 Year

Phase
3 Phase

Material
Polycarbonate

MD5204T75S-INT AC Drive, Three Phase, 380V to 480V,75kw - Inovance Ac Drive Trade Information

Minimum Order Quantity
1 Number

Delivery Time
24 Hours

About MD5204T75S-INT AC Drive, Three Phase, 380V to 480V,75kw - Inovance Ac Drive

The Inovance MD520 (Model: MD5204T75S-INT) is a high-performance, universal low-voltage variable frequency drive (VFD) designed for complex industrial automation requirements. This heavy-duty 75 kW industrial drive provides precision speed and torque control for both AC asynchronous (induction) and permanent magnet synchronous motors.

Quick Specifications

Manufacturer: Inovance Technology
Power Rating: 75 kW (100 HP)
Input Phase / Voltage: Three Phase, 380 V to 480 V AC (-15% to +10% tolerance)
Output Frequency: 0 Hz to 599 Hz
Overload Capacity: Dual-rated; Heavy Duty: 150% for 60s, Normal Duty: 110% for 60s
Safety Integration: STO (Safe Torque Off) SIL 3 PL e functional safety
Ingress Protection: IP20 enclosure rating [1, 2, 3, 4, 5, 6]

Key Capabilities & Control Modes

Unified Motor Control: Smoothly switches software configuration between standard induction motors and PM synchronous motors.
Control Algorithms: Supports Open-Loop V/F control, Sensorless Vector Control (SVC), and Full Closed-Loop Flight Vector Control (FVC) via optional encoder feedback.
Starting Torque Performance: Achieves 150% torque at 0.25 Hz in SVC mode, and up to 180% zero-speed torque in FVC mode.
Dynamic Braking: Features a built-in dynamic braking chopper unit up to and including the 75 kW 400V frame size. [1, 2, 3, 4]

Hardware & Environment Build

Harmonic Suppression: Outfitted with an integrated built-in DC reactor to suppress harmonics and maintain compliance with IEC 61000-3-12. [1, 2]
Harsh Environment Protection: PCBs feature 3S2 and 3C3 compliant conformal coating to withstand industrial dust, moisture, and corrosive chemical environments. [1, 2, 3]
Thermal Tolerance: Allows normal operation in ambient workplace temperatures up to 50C (with output de-rating applied above 40C). [1]

Industrial Fieldbus Integration

The drive includes standard Modbus-RTU communication and supports plug-and-play fieldbus expansion cards: [1]

PROFINET
EtherCAT
EtherNet/IP
CANopen / CANlink
PROFIBUS-DP [1]

If you need further help with this drive, please tell me your machinery application type (e.g., fan, pump, compressor, or crane), whether you require closed-loop encoder expansion, or if you need help finding wiring and parameter configuration documents.

The primary function of the Inovance MD520 (Model: MD5204T75S-INT) is to regulate the speed, torque, and acceleration of industrial electric motors by converting three-phase fixed grid power (\(380\text{ V} - 480\text{ V}\), \(50/60\text{ Hz}\)) into variable-voltage, variable-frequency electricity. It operates as an electronic control mechanism that matches motor output exactly to the fluctuating demands of mechanical loads.

Core Operational Functions

Adjustable Speed Drive (ASD): Changes output frequency (\(0 - 599\text{ Hz}\)) to control mechanical motor speed precisely.
Torque Control System: Manages dynamic motor torque for constant-tension tasks like winding or hoisting.
Soft Starting & Stopping: Controls acceleration and deceleration ramps to eliminate harsh physical stress on gears and belts.
Inrush Current Limiting: Lowers electrical surge peaks during motor startup to protect surrounding factory grid systems.

Advanced Software & Firmware Functions

Multi-Motor Compatibility: Controls standard induction motors or permanent magnet synchronous motors using the same software platform.
Sensorless Vector Control (SVC): Estimates motor speed without physical feedback to maintain tight speed control under fluctuating loads.
Closed-Loop Flight Vector Control (FVC): Reads optional encoder feedback for high-accuracy positioning and full holding torque at zero speed.
Wobble Frequency Control: Varies output frequency automatically for textile traversing and yarn winding machinery.
Catch-on-the-Fly Function: Detects the speed and rotation direction of a coasting motor to restart it smoothly without tripping.

Integrated System Functions

Energy Optimization: Adjusts voltage dynamically via the V/F curve during low-load periods to minimize electricity waste.
Electronic Braking Management: Controls built-in braking choppers to absorb regenerative energy from deceleration.
Safe Torque Off (STO): Shuts down motor drive pulses immediately via hardware logic to ensure operators can clear mechanical jams safely.
System Diagnostics: Monitors motor current, voltage spikes, module temperatures, and phase continuity to trigger protective trips.