Sourcetronic ST600 - Product Specification

Frequency Inverter ST600 Series High-Performance Multifunction VFD Product Overview
-10-
3. Built-in brake units are included in the SP model VFDs and standard model VFDs 037G3 and below.
The models that carry built-in brake units can also be connected to external brake resistors. The
brake resistors are optional parts.
3.3 Product specification
Function description
Specification
Power input
Input voltage (V)
-4 model: 3PH 380V (-15%)–440V (+10%)
Input current (A)
Refer to section 3.6 Rated values.
Input frequency (Hz)
50Hz or 60Hz, allowable range: 47–63Hz
Power output
Output voltage (V)
0–input voltage
Output current (A)
Refer to section 3.6 Rated values.
Output power (kW)
Refer to section 3.6 Rated values.
Output frequency (Hz)
0–400Hz
Technical
control
performance
Control mode
Space voltage vector control, sensorless vector control (SVC),
and feedback vector control (FVC)
Motor type
Asynchronous motor, permanent-magnet synchronous motor
Speed regulation ratio
Asynchronous motor 1: 200 (SVC); Synchronous motor 1: 20
(SVC), 1:1000 (FVC)
Speed control precision
±0.2% (SVC), ±0.02% (FVC)
Speed fluctuation
± 0.3% (SVC)
Torque response
<20ms SVC) , <10ms (FVC)
Torque control precision
10% (SVC) , 5% (FVC)
Starting torque
Asynchronous motor: 0.25Hz/150% (SVC)
Synchronous motor: 2.5 Hz/150% (SVC)
0Hz/200% (FVC)
Overload capacity
150% of rated current: 1min;
180% of rated current: 10s;
200% of rated current: 1s;
Running
control
performance
Frequency setup mode
Digital, analog, pulse frequency, multi-step speed running,
simple PLC, PID, Modbus communication, PROFIBUS
communication, etc;
Realizes switch-over between the set combination and the set
channel
Automatic voltage
regulation function
Keeps the output voltage constant when grid voltage changes
Fault protection function
Provides over 30 kinds of fault protection functions, such as
overcurrent, overvoltage, undervoltage, over-temperature,
phase loss and overload, etc.
Speed tracking restart
function
Realize impact-free starting of the motor in rotating