AC70 VC CONTROL FREQUENCY INVERTER MANUAL OVERVIEW
4
1.2 Technical Specification
Tech.
Specification
Items
Description
Power Input
Voltage, frequency
single phase 220V, 3 phase, 220V,380V, 660V and 1140V
Allowable fluctuations
Voltage:
＜
±15%; frequency±5%
Distortion of voltage to confirm to IEC61800-2
Closing striking current
less than rated current
Power Factor
≥
0.94( integrated DC reactor)
Efficiency
≥
96%
Power
Output
Output Voltage
3 Phase, 0
～
Input voltage, tolerance less than 5% in standard
rating condition
Frequency Control Range
G type: 0 to 400Hz, P type: 0-400Hz, Z type: 0-400Hz, L type:
0-400Hz,
H type: 0-3000Hz.
Output frequency accuracy
±5% of maximum frequency
Overload Tolerance
Z type: 150% rated current for 60 sec, 180% rated current for 30
sec, 250% rated current for instantaneous
G, H, L type model: 150% of rated output current for 60 sec,180% of
rated current for 10s, 2 00% of rated current for instantaneous
P type: 120% rated current 60 sec, 150% rated current for
instantaneous
Key Control
performance
Motor Control Mode
Open loop sensorless vector control without PG, V/F control
Control system
Optimized Space Vector PWM Modulation
Carrier frequency
0.6
～
15kHz, Randomly-modulated carrier
Speed control range
OLV without PG with rated load: 1:100,
Stable speed control accuracy
OLV without PG: less than 1% rated synchronous speed
Torque response
OLV without PG control mode:
≤
20ms
Frequency Accuracy
(Temperature Fluctuation)
Digital inputs: maximum × ±0.01%
Analog inputs: maximum × ± 0.2%
Frequency Setting Resolution
Digital inputs: 0.01 Hz
Analog inputs: 0.5% of maximum output frequency
Standard
Function
DC Braking
Starting Frequency: 0.00 to 50.00Hz,
Braking Time: 0.0 to 60.0s
Braking current: 0.0 to 150% rated current
Torque boost
Auto torque boost:0.0% to 100%
Manual torque boost: 0.0% to 25%
