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Quick Details
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power phase number:
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3PHASE
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Place of Origin:
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Guangdong, China
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Brand Name:
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KEWO
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Model Number:
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AD800-4T7.5GB/11PB
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Warranty:
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18 months
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Type:
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Frequency Inverter
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Product name:
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Frequency drive
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Rated power:
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0.75-750kw
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Certificate:
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CE ISO9001
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Protection function:
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20 kinds of motor protection
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Torque response:
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< 20ms (SVC)
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Starting torque:
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induction motor: 0.25Hz/150% (SVC)
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Overload tolerance:
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150% rated current 60s
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Speed fluctuation:
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±0.3% ( sensorless vector control)
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Motor type:
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IM and PMSM
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Speed control accuracy:
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±0.2% ( sensorless vector control )
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Certification:
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ISO CE IEC
Quick Details
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Control Mode:
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VF, Open loop, Close loop
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Rated Power:
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7.5KW
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Nominal Voltage:
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380/480V
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power phase number:
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3PHASE
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Place of Origin:
-
Guangdong, China
-
Brand Name:
-
KEWO
-
Model Number:
-
AD800-4T7.5GB/11PB
-
Warranty:
-
18 months
-
Type:
-
Frequency Inverter
-
Product name:
-
Frequency drive
-
Rated power:
-
0.75-750kw
-
Certificate:
-
CE ISO9001
-
Protection function:
-
20 kinds of motor protection
-
Torque response:
-
< 20ms (SVC)
-
Starting torque:
-
induction motor: 0.25Hz/150% (SVC)
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Overload tolerance:
-
150% rated current 60s
-
Speed fluctuation:
-
±0.3% ( sensorless vector control)
-
Motor type:
-
IM and PMSM
-
Speed control accuracy:
-
±0.2% ( sensorless vector control )
-
Certification:
-
ISO CE IEC
Products Description
KEWO AD series VFD/frequency inverter covers a wide range of options. Ideal for variable and constant torque applications from pumps and fans to conveyors and mixers as well as many other variable and constant torque applications. Applying the most advanced sensorless vector control technology , 32bits DSP control system and Infineon latest IGB technology, Excellent unique ventilation design with powerful big fans. More than 20000pcs AD800 high performance vector control inverters are widely using in kinds application since 2014 with good customer feedbacks.
Specification: ( AD100, AD350, AD800, AD800S)
Single/Three phase, 220V, 0.4KW to 250KW.
Three phase, 380V/440V/480V, 0.75KW to 800kw.
Specification: ( AD100, AD350, AD800, AD800S)
Single/Three phase, 220V, 0.4KW to 250KW.
Three phase, 380V/440V/480V, 0.75KW to 800kw.
KEWO Frequency inverter AC drive feacture:
● High performance flux vector control for IM and PMSM (AD800S can compatible PMSM)
● Excellent quick response with vector control
● Excellent quick response with vector control
● High starting torque even under low speed
●Torque limit for machine safety protection
●Torque limit for machine safety protection
●Rapid current limit, up to 20 kinds protection function
● Latest generation Infineon IGBT modules using
● Latest generation Infineon IGBT modules using
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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
● 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
Specification
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Frequency inverter/vfd/AC Drive data sheet
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Control mode
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Control mode
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SVC in open loop
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V/F control
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Close loop vector control*
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Starting torque
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0.5Hz 180%
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0.5Hz 150%
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0.00Hz 180%*
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Speed adjust range
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1:100
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1:100
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1:1000*
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Speed stabilizing precision
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±0.02%*
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Torque precision
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NO
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NO
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±5%
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Motor type
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General induction motor，
Permanent magnet synchronous motor (PMSM )* |
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Function design
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Highest frequency
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General vector control :400Hz V/f control:4000Hz
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Frequency resolution
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Digital setting: 0.01Hz analog setting:maximum×0.025%
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Carrier frequency
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0.5K～16KHz, the carrier frequency can be adjusted by temperature automatically
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Frequency reference setting method
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Digital of Control panel, analog AI1, AI2, potentiometer of control panel, UP/DN control, communication, PLC pulse frequency
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Acceleration./deceleration characteristic
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Linear curve and S curve accel. /decel. mode, range of time: 0.0 to 65000S.
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V/F curve
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3 mode: linear, multiple points, N Power
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V/F separation
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2 times separation: totally separation, half separation
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DC braking
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DC braking frequency: 0.0 to 300Hz, DC braking current: 0.0% to 100%
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Braking unit
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Standard built in for up to 4T22GB(22kw), optional built it for 4T37G～4T75G (18.5kw to 75kw), external built for above 4T93G
(95kw). |
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Jog function
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JOB frequency range: 0.0 to 50.0Hz, the acceleration and deceleration time of Jog
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Configured PID function
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Easy to perform pressure, flow, temperature close loop control.
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PLC multiple speed
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To achieve 16 segment speed running through built in PLC or terminal control
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Common Dc bus
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Multiple inverters use one DC bus for energy balance.
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Auto voltage regulation (AVR)
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Enable to keep output voltage constant when grid fluctuation
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Over load tolerance capability
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G 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. |
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Stall protection control when over current, over voltage
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Carry out limiting automation for running current, voltage to prevent over current, over voltage frequently
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Rapid current limit function
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Minimize the IGBT module broken to protect the AC inverter, maximum reduce the over current fault.
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Torque limit and torque control
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"Excavator" characteristics , torque limit automatically during motor running. Torque control is available in close loop vector control mode.
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Features
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Friendly interface
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Display Hello when power on.
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Multiple function key JOG button
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It can set for Forward Jog, reverse Jog, forward/reverse switch
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Timing control function
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A total running time and total running time calculating
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2 group motor parameters
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To achieve two motor switchover freely, control mode is selectable
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Motor over heat protection
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Accepting motor temperature sensor signal input via AI1 terminals.
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Multiple kinds encoder *
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Compatible collector PG, differential PG, and rotary transformer Encoder( resolver).
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Command source
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Control panel, control terminals, series communication, switch freely.
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Frequency source
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Digital setting, analog current/voltage, pulse setting, serial communication, main and auxiliary combination.
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Protection function
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Short circuit detect when power on, input/output phase loss, over voltage, over current, under voltage, over heat, over load
protection. |
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Environment
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Application site
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Indoor, free of exposure to sunlight, no dusty, no corrosive, no inflammable gas, no oil and water vapor, and water dipping
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Altitude
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Lower 1000m
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environment temperature
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-10℃～+40℃, power derated for 40～50℃, rated current derated 1% for 1℃ increasing.
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humidity
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Less than 95%, no water condense.
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KEWO variable frequency drive application
AD series high performance inverter better being used in various application with high accuracy speed control
quick torque response and starting torque.
Textile: P-jump Winders, Extruders, Tufting Machines, spinning machine
Packaging: In-feed / Out-feed, Case Packing, Bottling & Canning, Carton Manufacturing. Beverage packing
Plastics & Rubber: Extruders, Blow Molding, Thermoforming, Injection Molding.
Pulp & Paper: Paper Machines, Debarkers, Winders, Saw Mills
Converting: Coaters ,Laminators ,Slitters ,Flying Cutters
quick torque response and starting torque.
Textile: P-jump Winders, Extruders, Tufting Machines, spinning machine
Packaging: In-feed / Out-feed, Case Packing, Bottling & Canning, Carton Manufacturing. Beverage packing
Plastics & Rubber: Extruders, Blow Molding, Thermoforming, Injection Molding.
Pulp & Paper: Paper Machines, Debarkers, Winders, Saw Mills
Converting: Coaters ,Laminators ,Slitters ,Flying Cutters
Variable speed drive vsd application
Air Handling:
Supply and Return Fans ,Cooling Towers ,Spray Booths ,Dryers
Oil & Gas: Top Drives ,Pumpjacks, Down-hole Pumping Centrifuges
Material Handling:
Conveyors, Sortation, Palletizers, Coil Winding
Oil & Gas: Top Drives ,Pumpjacks, Down-hole Pumping Centrifuges
Metals: Stamping / Punch Press, Wind /Unwind, Cut-to-length,cable drawing. Wire Draw
Construction Materials: Kilns, Planers, Flying Cutoff, Mixers
Laundry: Dryers, Extractors, Folders, Washers
Food & Beverage: Conveyors, Fillers, Mixers, Centrifuges
Automotive: Stamping, Test Stands, Indexing, Metal Cutting
Construction crane, hoist, lifting
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