PR and Marketing

Daria Getsman
`

Daria Getsman

Head of External Relations

getsman@triolcorp.com

+38 (093) 30-80-180

Low-voltage equipment

AT24-line4
123456

Triol AT24, Line 4 (HVAC) application, 380 V/480 V/660 V/690 V

Triol AT24 VFD Line 4 is known for its multifunctional performance and flexibility in such spheres of application as ventilation and air conditioning. Due to its optimal construction this VFD allows realization of a big variety of tasks. This makes the VFD universal solution. This line can be identified by high quality, easiness of access and simplicity of operation

  • Overload capacity is 150 % during 10 sec, 120 % during 60 sec;
  • 3 types of control:
  • U/f control;
  • Flux vector speed control;
  • Flux vector torque control;
  • DC injection braking;
  • Linear and S-shaped acceleration rate;
  • EMC filter C3 category;
  • Control of motors with permanent magnets;
  • Automatic optimization of energy consumption;
  • Adaptive acceleration curves;
  • Energy monitoring;
  • Light weight and easy mechanical installation.
Supply voltage3х380 (-15 % .. +10 %)
Supply frequency50 Hz (-15 % .. +10 %)
EnclosurePlastic
Degree of protectionIP20
EMC filterBuilt-in
DC reactorBuilt-in
Control panelGraphic
Braking resistorExternal
PWM frequency / PWM carrier frequency1 — 15 kHz
Output frequency0 — 400 kHz
Frequency range for the different motors0 — 400 kHz
Discrete change of frequency assignments0.1 Hz
Power factor> 0,95
Efficiency96…97
Starting currentNot higher than the calculated input current
control laws• linear dependence U/f
• quadratic dependence U/f
• the programmable U/f
Current LimitMotoring and regenerative
Permissible cable length to the engineMax 30 m (screened)/ max 50 m (unshielded)
Braking• DC braking
• combined braking
Speed range• 1:1000 in a closed-loop system with a speed sensor
• 1:100 in an open-loop system
Speed accuracy (static)• ± 0,01 % in a closed-loop system
• ± 0.5 % in an open-loop system
Torque accuracy• ± 5 % in a closed-loop system
• ± 10 % in an open-loop system
Overload characteristics120 % for 60 seconds with an ambient temperature 50 °С
Motor control profileVector/scalar
Cycle adjusmentPID-controller
Slip compensationImplemented
Local signalingOperation, ready, fault – green, yellow and red LEDs
Insulation• isolated control circuit
• insulated custom circuit
Supply10 В DC, +/- 2 % current not exceeding 30 mA, 24 V, 300 mA
Number of analog inputs2
Analog input typeprogrammable 4..20 mA, 0..5 mA, 0..10 V
Sampling period4 msec
Number of analog inputs7
Type Analog Outputprogrammable 4..20 mA, 0..5 mA, 0..10 V
Number of digital inputs2
Type of digital output• 2 switching types
• 2 normally open type
Number of digital inputs8
Type of binary input• 24 V, input resistance: ~ 4 kOhm
• RТС sensor
• Resistance switch 3 kOhm/1,8 kOhm
• emergency Stop
The logic of the digital input2 digital inputs arbitrary polarity
Acceleration and deceleration0.1…3600 sec
Dielectric strengthfor power circuits and auxiliary circuits having electrical communication with the power circuit – 2500 V
Insulation resistance> 1 MOhm
Output frequency discreteness0,1 Hz
Communication protocolModbus
Physical interface2-wire RS-48S for Modbus
FrameservingRTU for Modbus
Data transfer rate• 115200 bps
• 1200-250000 bps
• up to 1 Mbps
Data format8 bit 1 stop bit, no parity
Addresses number1..255 of adresses for Modbus
Access methodslave
Control optionsBluetooth module or Wi-Fi module
Electromagnetic compatibilityEN 55011 class A. group 2. IEC / EN 61800-3. category СЗ with the additional EMC filter. EN 55011 class В, group 1. IEC/EN 61800-3, category С1.
Relative humidity95 %
The ambient temperature during operation / storage-20 .. +50 °C / -40 .. +50 °C
Operating altitudeto 1000 m
Standards• EN 61800-3:2004,
• EN 55011,
• EN 61000-6 ¾ ,
• GOST 24607-88.
• GOST 13109-97,
• GOST 15150-69,
• GOST 14254- 96,
• GOST 17516.1-90,
• GOST 12.1.044-89.

 

Triol AТ24 modelRated motor power, kW
370370
750750
1К51500
2К02000
3К03000
3К73700
4К04000