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AD350 High Performance Sensorless Vector Control Inverter

AD350 high performance vector control mini frequency inverter is KEWO independently developed new generation general purpose electrical motor controller, which adopt the same software platform as same as AD800.

With a new generation of high-performance advanced vector control technology applying, high torque control even under low speed, high speed precision, quick torque response and high speed range are available for sophisticated motor control.

It is featured to have modular design, small size, small temperature rise, low noise, and reliable performance.

It has built in simple PLC, PID adjusting, programmable input and output terminals function, RS458 terminals, multiple function analog input and output function, ect.

Power range: 2S 0.4 to 2.2kw, 4T 0.75 to 3.7kw.

Input voltage: Single phase 220V, 3 phase 380V ±15%

Control mode: Sensorless vector control without PG, V/f control

Protection function: Provide up to 25 kinds fault protection, over current, over voltage, under voltage, phase missing, overload protection function

Cooling method: force cooling

Installation method: wall mount

Infineon and innotech iGBT module

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AD350 High Performance Sensorless Vector Control Inverter

AD350 High Performance Sensorless Vector Control Inverter

AD350 High Performance Sensorless Vector Control Inverter

*AD350 sensorless vector control inverter can’t performance close loop vector control because there are no PG connector. If you need sensor vector control mode please select PV800’s VFD.

Control modeControl modeV/F control, sensorless vector control
Starting torque0.5Hz 150%, 0.2Hz 150% rated torque
Speed adjust range1:100 under VF control, 1:500 sensorless vector control
Motor typeGeneral induction motor/ Permanent magnet synchronous motor (PMSM)
Function designHighest frequencyGeneral vector control :400Hz
Frequency resolutionDigital setting: 0.01Hz  analog setting:maximum×0.025%
Carrier frequency0.5K~16KHz, the carrier frequency can be adjusted by temperature automatically
Frequency reference setting methodDigital of Control panel, analog AI1, AI2, potentiometer of control panel, UP/DN control, communication, PLC pulse frequency
Acceleration./deceleration characteristicLinear curve and S curve accel. /decel. mode, range of time: 0.0 to 65000S.
V/F curve3 mode: linear, multiple points, N Power
V/F separation2 times separation: totally separation, half separation
DC brakingDC braking frequency: 0.0 to 300Hz, DC braking current: 0.0% to 100%
Braking unitStandard built in
Jog functionJob frequency range: 0.0 to 50.0Hz,
Configured PID functionEasy to perform pressure, flow, temperature close loop control.
PLC multiple speedTo achieve 16 segment speed running through built in PLC or terminal control
Common Dc busMultiple drives use one DC bus for energy balance.
Auto voltage regulation (AVR)Enable to keep output voltage constant when grid fluctuation
Over load tolerance capabilityG type model: 150% rated current for 60s, 180% rated current for 3s,
P type Model: 120% rated current for 60s, 150% rated current for 3s.
Stall protection control when over current, over voltageCarry out limiting automation for running current, voltage to prevent over current, over voltage frequently
Rapid current limit functionMinimize the IGBT module broken to protect the AC Drive, maximum reduce the over current fault.
Torque limit and torque control"Excavator" characteristics , torque limit automatically during motor running. Torque control is available in close loop vector control mode.
FeaturesFriendly interfaceDisplay "Hello" when power on.
Multiple function key JOG buttonForward Jog, reverse Jog, forward/reverse switch
Timing control functionA total running time and total running time calculating
2 group motor parametersTo achieve two motor switchover freely, control mode is selectable
Motor over heat protectionAccepting motor temperature sensor signal input via AI1 terminals.
Multiple kinds encoder *Compatible collector PG, differential PG, and rotary transformer Encoder( resolver).
Command sourceControl panel, control terminals, series communication, switch freely.
Frequency sourceDigital setting, analog current/voltage, pulse setting, serial communication, main and auxiliary combination.
Protection functionShort circuit detect when power on, input/output phase loss, over voltage, over current, under voltage, over heat, over load protection.
EnvironmentApplication siteIndoor, free of exposure to sunlight, no dusty, no corrosive, no inflammable gas, no oil and water vapor, and water dipping
AltitudeLower 1000m
environment temperature-10℃~+40℃, power derated for 40~50℃, rated current derated 1% for 1℃ increasing.
humidityLess than 95%, no water condense.
Ip ratingIP20

* 5 multiple digital input terminals ( 5DI) input.

* 2 analog terminals input, 1 analog terminals output

* local relay 1 output.

* 1 Rs485 port. 

AD350 High Performance Sensorless Vector Control Inverter

AD350 High Performance Sensorless Vector Control Inverter

1. Food processing machinery

Bakery equipment, confectionary equipment, tea-making machine, noodle-making machines, candy-wrapping machines, rice/barely milling machines, flour milling machines, food mixers, food slicers, fruit sorting machines, etc.

2. Conveyance machinery

Conveyors, automatic warehousing systems etc. Prevent the collapse of cargo on the conveyor.

3. Fans & pumps

Built in fans- pumps in industrial machines, water supply and sewage systems, driers, etc.

Energy-saving mode

The variable torque and automatic energy saving modes help saving energy by passing optimal current in accordance with the load.

Automatic process control

Allows a motor to keep running and accelerate smoothly upon the recovery of power even in the event of instantaneous power failure.

Enable an uninterrupted operation without causing a trip.

4. Health, medical and nursing care equipment.

Stair lifts, nursing bed, bubble baths, health care equipment, medical equipment

5. Environment and daily-life-related machinery

Commercial ironing boards, car washing machines, Garbage disposers, dust collectors, Dries, etc.

6. Packing machinery.

Inner packaging machine, packing machines, output packing machines, membrane packing machines