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Design, Production, Sale, Spare parts, Service and Repair electrodrive and motor to 1000kW
Converters AC Frequency converters

ONDA 2 dynamic test bench system


ONDA 2 is a system designed to control and regulate the torque/speed of three-phase asynchronous motors (for dynamic testing bench systems). The converter is water-cooled.












Technical data
Nominal current see chart
Output voltage 380-520 Vac with regenerative bridge
380 - 420 Vac with dynamic braking
Input voltage 400 - 440Vac +/-15% tree-phase 47-63Hz
Max. output frequency 500Hz
Serial line RS485  115.200 baud.
Torque response <2ms at 100% load (+/-10%)
Current harmonic distortion <4,5%
Efficiency 95% at full load
Cooling water cooling
Overload vsee chart
Output frequency accuracy +/- 0.01% with feedback
+/-0.05 without feedback
Torque control accuracy +/-2% of max. value with feedback
+/-0.1% with external torque loop
Drive response rime at torque/speed set 150ms
Control vector current control
Reference regulation CEI EN 61800

The ONDA drive with dynamic braking
Typ fPWM[kHz] Nom. current [A] overload 60s every 300s
[A]
overload 30s every 300s
[A]
    brake motor brake motor brake motor
ONDA T10 5 180 90 260 130 320 160
ONDA T20 5 270 135 380 190 460 230
ONDA T30 5 350 175 490 245 600 300
ONDA T31 5 500 250 700 350 900 450
ONDA T40 5 560 280 780 390 960 480
ONDA T50 5 700 - 980 - 1200 -
ONDA T60 5 1250 - 1500 - 1800 -

The ONDA drive with regenerative bridge
Typ fPWM[kHz] Nom. currentA] overload 60s every 300s
[A]
overload 30s every 300s [A]
ONDA T10 5 180 260 320
ONDA T20 5 270 380 460
ONDA T30 5 350 490 600
ONDA T31 5 500 700 900
ONDA T40 5 560 780 960
ONDA T50 5 700 980 1200
ONDA T60 5 1250 1500 1800

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