V/F Control Technology Low Voltage Variable Frequency Drive DC Braking

Project

Specifications

Power input

Rated input voltage (V)

Single-Phase 220V(-15%+30%)

3-phase 220 V (-15%+30%)

3-phase 380 V (-15%+30%)

Rated input current (A)

See table 2-1

Rated input frequency(Hz)

50Hz/60Hz,tolerance±5%

Power output

Applicable motor(kW)

See table 2-1

Rated output current(A)

See table 2-1

The maximum output voltage(V)

0rated input voltage, error<±3%

The maximum output frequency(Hz)

0.00600.00 Hz,unit0.01Hz

Control

characteristics

V/f patterns

V/f control

Sensor-less vector control 1

Speed range

1:50 (V/f control)

1:100 (sensor-less vector control 1)

Speed accuracy

±0.5% (V/f control)

±0.2% (sensor-less vector control 1 )

Speed fluctuation

±0.3% (sensor-less vector control 1 )

Torque response

< 10ms (sensor-less vector control 1 )

Starting torque

0.5Hz: 180% (V/f control, sensor-less vector control 1)

Basic functions

Carrier frequency

0.7kHz16kHz

Overload capability

G Model:150% Rated Current 60s,180% Rated Current 10s,200% Rated Current 1s.

Torque boost

Automatic torque boostManual torque boost 0.1%30.0%

V/F Curve

Three ways:Three ways: straight; mult