Products/AC Drive/KET-3000W3A


KET-3000W3A AC Drives Widely used in various fields such as metallurgy, petroleum, chemical industry, textile, power, construction material, coal, pharmacy food, paper making, plastic, printing & dying, lifting, cable making, washing, water supply, heat & ventilation, sewage treatment and son on. In addition the products can also be applicable to draw benches, mixers, extruders, winding machines, compressors, fans, pumps, grinding machines, belt conveyors, hoists and centrifuges.


Specification :-

Power Range :-

0.75KW to 560KW


Main Features:-

Frequency: - 50/60Hz ± 5%

Voltage: - Three phase 0-380V

Frequency: - 0-600Hz

Overload ability: - Type G: 150% rated current for 1 minute, 180% rated current for 2 second,Type P: 120% rated current for 1 minute, 150% rated current for 2 second.

Cooling type: - Forced Cooling

Temperature protection: - Heat sink temperature >85°C trip protection against overheat

Fan control: - Heat sink temperature> 50°C, fan forced operation, frequency inverter continue work

Control mode: - Open-loop vector control, V/F control, Torque Control

Start torque: -   Open-loop vector control: 0.5Hz 180%; VF control:0.5Hz 150%

Speed range   : -   Open-loop vector control: 1:200; VF control:1:100

Speed control precision: -   Open-loop vector control: ±0.2%; VF control: ±0.5%

Torque control precision: - Open-loop vector control: ±5%

Torque response time: - Open-loop vector control: <20ms

Channel of operation command: - Keyboard control, terminal control, communication control

Start mode: - Direct start, DC injection braking before start, speed tracking before start

DC injection braking: -   Start DC injection braking, stop DC injection braking

Dynamic braking: - Built-in braking unit < = 11kw, get external braking unit>15kw

Frequency resolution: - Keypad setting: 0.01Hz; Analog setting: 0.1%

Rated voltage: - Three phase 440v, ±15%

Carrier frequency: -   0.5 KHz~15. 0 KHz,

Acc/Dec time: - 0.1~3600.0s

Analog input   : -    V1:0~10V, V2:4~20mA or 0~10V

Analog output: -   FM1:0~10V or 0~20mA, FM2:0~10V or 0~20mA                               

Built-in PID: - Built-in PID controller,

Communication protocol: - Based on RS485 hardware, support standard MODBUS protocol, should match expansion cards SC-EXT1-IO                   

Ambient temperature: -   -10°C~+40°

Storage temperature: - -20~60°C

Humidity: - Less than 90%RH, without condensation

Simple PLC operation: - 16 segment goal setting, frequency or percentage setting could be chosen

High-speed pulse input: - HDI: 0~50.0 KHz, support by expansion cards SC-EXT1-IO

High-speed pulse output: - HDO: 0~50.0 KHz, support by expansion cards SC-EXT1-IO

Digital input: - Standard configuration S1~S6, can expand S7~S10 through SC-EXT3-S

Digital output: - Standard configuration 2 channel including SP1, SP2 electrode output

Application Environment: -  Non-corrosive, flammable, explosive, dust absorbent material,

Vibration: -   Less than0.6G

Elevation: - 0~1000m, reduce the rated specification 10% when lift 1000m for each.

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