DELTA AC DRIVE

Product Description

Key Specification Parameters for Delta AC Drives

 1 Input  Output Electrical Ratings

Input Voltage

Singlephase 208240 V AC for smaller units

Threephase 200240 V 380480 V or up to 690 V depending on model and series

Input Frequency 5060 Hz

Output Frequency Typically 0  400 Hz some series up to 600 Hz

Rated Power Range Fractional HP up to hundreds of kW eg 02 kW up to 630 kW in industrial series

Output Current Depends on model example 49 A for a 11 kW unit

 2 Control Modes

Delta drives support different motor control strategies

VF voltagefrequency control  basic speed control for general motors

Sensorless Vector Control SVC  improved torque at low speeds

Field Oriented Control FOC  high precision torque and speed control on advanced models

 3 Performance Characteristics

Overload Capacity

120  150  rated current for 60 s normal and heavy duty ratings vary by series

200  for short bursts eg 3 s

Starting Torque

Up to 200  at very low frequency in vector control mode

Carrier Frequency Some micro drives offer up to 1012 kHz

Efficiency Up to 98  with good power factor on high performance models

 4 Protection  BuiltIn Features

Protections Overcurrent overvoltage undervoltage overload overtemperature phase loss etc

EMIRFI Filters Built into many models to reduce electrical noise

Brake Unit  Chopper Available on some units for dynamic braking

Safe Torque Off STO Safety function in many series

 5 Communication  Control Interfaces

Builtin RS485 with MODBUS protocol

Optional Modules DeviceNet Profibus CANopen EtherCAT PROFINET etc

PID Control Builtin feedback control for process loops

Programmable Logic PLC Builtin program steps eg 5k10k steps

 6 Mechanical  Environmental

Enclosure Rating Typically IP20 cabinet installation or IP55 for more rugged units like the CFP2000 series

Ambient Conditions Usually up to 50 C operation humidity limits vary

 Suggested Use Cases

Delta MS300 VFD5A5MS43ANSAA  Compact 3 HP  22 kW 3phase vector drive for general industrial motors

Delta ME Series VFD17AME43ANNAA 75kW  Midrange threephase drive for heavier loads and speed control

Delta VFD007EL43W1 AC Drive  1 HP drive for small motor control

Delta VFD 15kW 400Hz AC Drive Single Phase  15 kW singlephase drive for light applications

Delta Electronics Inverter Drive  Delta AC Drive Generic  Other generic Delta inverter options

 Notes When Specifying

When selecting a Delta AC Drive youll typically match these factors

 Input supply single or three phase and voltage

 Motor power kW or HP and rated current

 Desired control mode VF vs vector

 Overload and duty requirements

 Environmental protection and communication needs