Powtran PI500A Series User Manual

Chapter 2 Standard specifications
9
Chapter 2
Control system
Control system
High performance vector control inverter based on DSP
Control method
V/F control, vector control W/O PG, vector control W/ PG
Automatic torque
boost function
Realize low frequency (1Hz) and large output torque control under the
V/F control mode.
Acceleration/decel
eration control
Straight or S-curve mode. Four times available and time range is 0.0 to
6500.0s.
V/F curve mode
Linear, square root/m-th power, custom V/F curve
Over load
capability
G type:rated current 150% - 1 minute, rated current 180% - 2 seconds
F type:rated current 120% - 1 minute, rated current 150% - 2 seconds
Maximum
frequency
1、Vector control:0 to 300Hz； 2、V/F control:0 to 3200Hz
Carrier Frequency
0.5 to 16kHz; automatically adjust carrier frequency according to the
load characteristics.
Input frequency
resolution
Digital setting: 0.01Hz minimum analog: 0.01Hz.
Start torque
G type: 0.5Hz/150% (vector control W/O PG)
F type: 0.5Hz/100% (vector control W/O PG)
Speed range
1:100 (vector control W/O PG) 1:1000 (vector control W/ PG)
Steady-speed
precision
Vector control W/O PG: ≤ ± 0.5% (rated synchronous speed)
Vector control W/ PG: ≤ ± 0.02% (rated synchronous speed)
Torque response
≤ 40ms (vector control W/O PG)
Torque boost
Automatic torque boost; manual torque boost(0.1% to 30.0%)
DC braking
DC braking frequency: 0.0Hz to max. frequency, braking time:
0.0 to 100.0 seconds, braking current value: 0.0% to 100.0%
Jogging control
Jog Frequency Range: 0.00Hz to max. frequency;
Jog Ac/deceleration time: 0.0 to 6500.0s
Multi-speed
operation
Achieve up to 16-speed operation through the control terminal
Built-in PID
Easy to realize closed-loop control system for the process control.
Automatic voltage
regulation(AVR)
Automatically maintain a constant output voltage when the voltage of
electricity grid changes
Torque limit and
control
"Excavator" feature - torque is automatically limited during the
operation to prevent frequent overcurrent trip; the closed-loop vector
mode is used to control torque.
Personalization function
Self-inspection of
peripherals after
power-on
After powering on, peripheral equipment will perform safety testing,
such as ground, short circuit, etc.
Common DC bus
function
Multiple inverter can use a common DC bus.
Quick current
limiting
The current limiting algorithm is used to reduce the inverter over
current probability, and improve whole unit anti-interference capability.
Timing control
Timing control function: time setting range(0m to 6500m)
Running
Input signal
Running
method
Keyboard/terminal/communication
Frequency
10 frequency settings available, including adjustable DC(0～10V/-10～

Powtran PI500A Series Specifications

General

Brand	Powtran
Model	PI500A Series
Category	DC Drives
Language	English