This product has been discontinued. Please, see our suggested product UNIFREM 690.

VQFREM 690 are vector control frequency converters using HDDis of the latest generation. They have been specially designed for the most difficult technical drives applications with induction motors supplied by 3 × 690 V , motor power up to 1400 kW

VQFREM 690

Contents:

VQFREM basic
Optional accessories
Technical data
General technical data
Technical drawings
Library for ELCAD
Software

VQFREM basic

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Optional accessories

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Technical data

Power and current:

Converter's losses: temperature losses of frequency converter at sampling frequency 1,5 kHz
Nom. output current of the converter: nominal and maximum permanent output current of the converter
Motor power: recommended maximum power of a motor connectable to converter's output (holds for 4 - pole motors)

Typ meniča Motor output rating Pnom [kW] Converter's losses at 2.5 kHz (kW) Nominal output current of the converter In [A]
VQFREM 690 315 315 7,7 350
VQFREM 690 400 400 9,3 450
VQFREM 690 500 500 12,7 560
VQFREM 690 630 630 15,1 660
VQFREM 690 710 710 16,6 750
VQFREM 690 800 800 18,6 860
VQFREM 690 900 900 21,2 980
VQFREM 690 1000 1000 23,4 1080
VQFREM 690 1200 1200 30 1230
VQFREM 690 1400 1400 34 1470
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General technical data

Input voltage range: 690 V ± 10%
Input frequency: 47 - 63 Hz
Power factor: Cos Φ1N > 0,98
Converters efficiency:> 0,975
Output frequency range:0 Hz - 300 Hz
Control system:2 × 32 bit. µP DSP - PWM - HDDiS
Analogue inputs:0 ÷ 20 mA (165 Ω), 4 - 20 mA (165 Ω), 0 - 10 V, 2 - 10 V, potentiometer, motor potentiometer; output voltage + 10 V (short circuit protection) max. 10 mA. Potentiometer 1 kΩ to 10 kΩ
Control inputs and interface: 6 binary inputs for multi-level speed selection, or for remote motor potentiometer, reverse, reset, voltage + 24 V (short circuit protection), max. 100 mA
Analogue outputs:0 ÷ 20 mA, 4 ÷ 20 mA max. 750 Ω
Electronic protection against:overcurrent, overvoltage, undervoltage, short circuit protection, ground fault protection, converter overtemperature, motor overtemperature
Ventilation:fan cooling
Installation altitude:< 1000 m above sea level, each 100 m above 1000 m above sea level causes decrease in converter's power by 1 %
Relative air humidity: < 90 % non-condensing, dewing not permissible
Permissible ambient temperature during operation:+1°C ~ +40°C
Permissible ambient storage temperature: -25°C ~ +50°C
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