Variable Frequency Drive Triol AT27 line ED
Medium-voltage Variable Frequency Drive Triol AT27 line ED is a reliable and ergonomic solution for a wide range of industrial applications.
The versatility and compactness of AT27 ED enclosures make it easy to integrate them into the process.
Ergonomic design, high reliability, and minimal maintenance requirements make AT27 ED easy and convenient to use.
Control of the fans rotation speed depending on transformer and power cells temperature significantly increases the efficiency and reduces noise level in the electrical room.
Integrated Wi-Fi module allows carrying out diagnostics and setting of AT27 line ED for a quick start in 20 simple clicks.
Easily removable air filters allow cleaning without stopping AT27 ED in complete safety for maintenance personnel.
A wide range of options significantly expands the possibilities for application and increase reliability.
- Operating temperature maximum range -10 ºС…+50 ºС
- Enclosure NEMA2 (IP31)
- Color touchpad 7”
- Wi-Fi Wizard
- Induction and Permanent Magnet motor
- Output voltage and current sinusoidal
- High power factor ≥ 0.96
- Operating in unstable mains
|Input voltage, kV||3; 3.3; 4.16; 6; 6.3; 6.6; 10; 11 (-15 % …+10 %)|
-45% continuous with power limit
-100% not less than 100 ms with controlled generator mode of the motor
|Input frequency, Hz||50 / 60 (-10 %…+10 %)|
|Power, kW||3 / 3.3 kV|
6 / 6.3 / 6.6 kV
10 / 11 kV
|from 160 kW up to 3000 kW|
from 160 kW up to 3500 kW
from 200 kW up to 5000 kW
from 320 kW up to 8000 kW
|THDi (input current), %||< 5|
|Pulses of rectifier||18; 24; 30; 36; 48; 54|
(depends on the number of cells in each phase)
|Overvoltage protection||Surge arresters|
|Rated output voltage, kV||3.3; 4.16, 6; 6,6; 10; 11|
|Output frequency, Hz||from 0.5 up to 120|
|Frequency resolution, Hz||0.01|
|Output current, A||25…600|
|Overcurrent characteristics||120 % of rated value for 120 sec|
150 % of rated value for 3 sec
|THDi (output current), %||< 2|
|THDu (output voltage), %||< 5|
|dV/dt value||< 1000 V/μs|
|Efficiency, %||≥ 97|
|Copper transformer||Copper bus is the material used for transformer windings. Transformer parameters and efficiency are commensurable with the basic type of transformer with windings of aluminum busbars|
|Mechanical bypass of power cells||Bypass of each power cell of the drive is made on the basis of a vacuum chamber, with a response time of not more than 4 msec|
|IGBT bypass of power cells||Bypass of each power cell of the drive made on the basis of IGBT transistors|
|Additional power cell in each phase||For compensating voltage drop on the output sine-filter or reactors (if available) and the long cable line, as well as to ensure operation in the nominal mode in the case of bypassing the cells (with this option)|
|Increased protection degree||Enclosure IP42|
|Increased operating temperature||Maximum operating temperature up to +50 °С|
|Top cable entry||Organization of terminals for entry power and signal cables on top of AT27 VFD|
|Heating system||Build-in option. Minimum operating temperature from minus 10 °С|
|Redundant cooling fans||Additional cooling fans with a check valve system to ensure AT27 operation with rated power if one of them fails|
|Additional PCB coverage||Coating of printed circuit boards with a special varnish to protect against aggressive impurities in the air|
|Electromagnetic door lock||Electromagnetic locks on the doors of the AT27 power compartments provide protection against opening doors when medium voltage is applied|
|Profibus communication protocol||Convertor Modbus-Profibus|
|CB27 Switch Cabinets||External cabinets. Allow you to implement the required one-line diagram|
|Reactors for transfer of the motor to mains||External cabinet. Designed to provide synchronous and shockless transfer of the motor to mains.|
|Sine-filter||External cabinet. Designed to improve the output current and voltage THD, as well as reduce the value of the parameter dV/dt.|