KE300A Series Open Loop Vector Control inverter

Item

Technical Index

Specification

Input

Input voltage

1AC/3AC 220V±15%, 3AC 380V±15%, 3AC 660V±15%

Input frequency

47~63Hz

Output

Output voltage

O~rated input voltage

Output frequency

V/f control: 0~3000Hn

Sensorless vector control: 0~300Hn

Control Features

Control mode

V/f control

Sensorless vector control

Torque control

Operation command mode

Keypad control

Terminal control

Serial communication control

Frequency setting mode

Digital setting, analog setting, pulse frequency setting, serial communication setting, multi-step speed setting & simple PLC, RID setting, etc. These frequency settings can be combined & switched in various modes.

Overload capacity

G model: 150% 60s, 180% 10s, 200% 3s
P model: 120% 60s, 150% 10s, 180% 3s

Starting torque

0.5HZ/150% (SVC); IHz/150% (V/f)

Speed adjustment range

1: 100 (SVC); 1: 50(V/f)

Speed control precision

±0.5% (SVC)

Carrier frequency

1.0—16.0kHz, automatically adjusted according to temperature and load characteristics

Frequency accuracy

Digital setting: 0.01 Hz
Analog setting: maximum frequency * 0.05%

Torque boost

Automatically torque boost; manually torque boost: 0.1 30.0%

V/f CURVE

Three types: linear, multiple points and square type (1.2 power, 1.4 power, 1.6 power, 1.8 power, square)

Acceleration/deceleration mode

Straight line/S curve; four kinds of acceleration/deceleration time, range: 0.1s 〜3600.0s

DC braking

DC braking when starting and stopping
DC braking frequency: 0.0Hz—maximum frequency, braking time: 0.0s—100.0s

Jog operation

Jog operation frequency: O.OHz—maximum frequency
Jog acceleration/deceleration time: 0.1 s—3600.0s

Simple PLC & multi-step speed operation

It can realize a maximum of 16 segments speed running via the built-in PLC or control terminal.

Built-in RID

Built-in PID control to easily realize the close loop control of the process parameters (such as pressure, temperature, flow, etc.)

Automatic voltage regulation

Keep output voltage constant automatically when input voltage fluctuating