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Triol AT27 variable-frequency drive
10/11kV, block-box version

Block-box version of Triol АТ27-10 kV variable-frequency is designed for utilization in oil, mining, metallurgical and construction industries, in housing and utilities infrastructure, etc. Variable-frequency drive of this type allows to significantly increase the energy efficiency performance as well as to prolong service life of motors. Due to robust design and up-to-date technical solutions implemented in Triol АТ27 drives, your production capabilities become infinite.

Description
Technical characteristics
Model range
  • Low cost installation container enclosure.
  • Outdoor in any climate.
  • Easy maintenance in any weather.
  • Operating temperature range from –60 °C to +50 °C.
  • Easy to integrate into the technological process due to wide range of algorithms and functions:
    • Triol «Cascade» system;
    • Flying start of the motor;
    • PID – regulator;
    • Operation by calendar settings;
    • Automatic restart.
  • High overload capability – 120 % in 120 s.
  • Withstands up to –35 % voltage dips.
  • V/F, speed or torque control options.
  • Automatic maintenance of a certain technological parameter.
  • Low harmonic distortion of the supply (THDi).
ParameterUnit value
Rated supply voltage3 x 6 kV ± 15 %
Rated supply frequency 50 Hz ±10 %
Overload capacityFor 60 sec — 120 %
For 3 sec — 150 %
For 10 ms — 200 %
Output frequency0 … 120 Hz ± 0.1%
Efficiency, not less than98 %
Power factor, not less than95
Number of phases3
Station auxiliaries voltage380 V
Average time between failures20 000 h
Coolingforced air cooling
Operation modecontinuous
Protection levelIP43
Working temperature-50…+60 ºС
Altitude characteristicsto 1000 m
StandardsGOST17516.1-90
Models of Triol AT27Rated motor power, kWRated output voltage
U = 6000 V/
Rated current of power circuit, A
Number of power cells per phase
АТ27-М20200256
АТ27-М25250306
АТ27-М315315406
АТ27-М40400506
АТ27-М50500606
АТ27-М63630756
АТ27-М80800956
АТ27-1М010001256
АТ27-1М2512501556
АТ27-1М414001706
АТ27-1М616001956
АТ27-2М020002456
АТ27-2М525003056
АТ27-3М030003756
АТ27-3М232004006
АТ27-3М535004406
АТ27-4М040005006
АТ27-4М545005656
АТ27-5М050006256
АТ27-5М555006906
АТ27-6М363007906
АТ27-8М0800010156
АТ27-9М3930011806
АТ27-10М1050013306
АТ27-12М1250015856

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