circular at24

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www.triolcorp.com

TRIOL AT24 SERIES

Low voltage variable frequency drives

2014


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TRIOL AT24LOW VOLTAGE VARIABLE FREQUENCY DRIVES SERIES

Over 20 years of experience and knowledgeOur company has started its path in 1993. Today Triol Corporation is a private owned company who is

offering a wide range of services (R&D, project implementation, manufacturing, after-sales services) in thesphere of power electronics. Since our birth innovation has been our main driving force. We were the firstin the former USSR to successfully develop and produce low-voltage variable frequency drives series. Todaywe are happy to present you our newest achievements especially designed for our Customers up to daterequirements.

Our business values at your disposal Integrity, respect, customer-oriented strategy and striving for excellence are core values that define TriolCorporation, and they’re the values we offer our Customers and Partners. We are working to help ourClients to meet their objectives providing them with cooperation, trust, reliability and communication. Ourguiding principles have been designed to encourage high-quality collaboration with our business partners.These principles are high functionality, flexible competitive pricing, special warranty policy, solid deliveryperformance, and effective after-sales service. We offer our low-voltage equipment Customers expandstandard modification, including DC inductor and Modbus protocol. Our custom-tailored service includesthe possibility to provide our Clients with spare parts from manufacturer, as well as the availability of thefast products delivery from the warehouse.

Our diversity for your needsDeveloping our low-voltage series we were mainly focused on the ability to adjust our products’

functionality and components to the Customer needs, conditions and special technological algorithms. Triol

AT24 series is designed for a very wide range of applications, so they can meet the requirements of thedifferent industries and applications. We are proud to present our Customers the newest specially designedLines of our low-voltage equipment:

• Lift application (optimally adapted to each lift, winch, elevator);• Pump application (safe and simple solution for pumps);• HVAC application (advantageous and convenient solution for heating, ventilation and conditioning);• Crane application (the optimal solution for cranes);• Industrial application;• Multidrive application.

Investing in a sustainable futureThrough our business, Triol Corporation contributes to a more sustainable society with a fair access

to resources, health and well-being. Sustainability considerations cover how we design and manufacture

products, what we offer our Customers, how we engage suppliers, how we assess risks and opportunities.Our manufacturing processes are environmentally friendly and energy-efficient. We design eco-efficientand recyclable products. Safety is our first priority. We are constantly improving working conditions, limitingwork-related accidents, occupational illnesses, and anticipating regulatory change. Our equipment coversall requirements placed upon the functional safety of machines and systems. All of our manufacturingfacilities and products comply with ISO and EU standards.

When you have a great team anything is possibleToday, Triol Corporation represents a consolidation of experience and innovation, young and talented

specialists and expert managers; development, production, reliable supply and after-sales service to differentworld corners; commitment to a great world, scientific traditions and application of the new approaches inmanagement and business-planning. Our corporate culture supports talented people, allowing them toapproach their work with energy, enthusiasm, and the promise of success.

We appreciate our Partners and Customers and are always open for cooperation!


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Triol AT24 VFD Line 1 is an optimal solution for every elevator. This series is specially designedto provide safety and reliability of the lift mechanisms operation. The main characteristics of thisequipment are attractive design and interesting construction solutions.

• High overload capacity — 220 % during 1 — 2 sec, 150 %during 60 sec;

• Close-loop speed or torque control;

• Open-loop speed or torque control;• Unique algorithms for hoists control;• EMC lter C2 category allows to install the equipment in the

electrical room close to the testing and automation facilities;• Easy installation at the control cabinet;• Support of the absolute and incremental encoders;• Compatibility with the lift application VFD’s of the main

manufacturers;• Measuring motor parameters at stand still

(no shaft rotation);• Integrated braking chopper.

Line 1Lift (Elevator) application,plastic enclosure, IP20 protection degree, 380 V/480 V/660 V/690 V

from 4 to 37 kW

Triol AT24 VFD Line 2 is a reliable solution for the elds of application related with heating,

ventilation and air conditioning. This product combines simplicity of management, operationalreliability and high performance eciency.

• Overload capacity is 120 % from the nominal rate during 60 sec;• Close-loop speed or torque control;• Open-loop speed or torque control;• EMC lter C2 category allows to install in the electrical

room close to the testing and automation facilities;• Easy installation at the control cabinet;• Ambient temperature -20...+50 °C;• HVAC language (°C, Pa, Atm, Hz);• Integrated PID-controller;

• Analog sensors and PTC thermocouples support;• Vector control in the close-loop system with the rate feedback;• Vector control in the open-loop system without the rate feedback;• U/f control;• Possibility to install the control panel at the box door;• Special HVAC functions (motor drying, energy saving

calculation, ying start of a back spinning motor).

Line 2

HVAC application,plastic enclosure, IP20 protection degree, 380 V/480 V/660 V/690 V

from 5,5 to 55 kW


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Line 3HVAC application,metal enclosure, IP20 protection degree, 380 V/480 V/660 V/690 V

Triol AT24 VFD Line 3 is specially designed for heating, ventilation and air conditioningsystems. Metal enclosure with the IP20 protection degree allows avoiding the VFD’s installationin the boxes and cable routing. A large number of security and service functions make this VFDthe universal solution.

• Overload capacity is 120 % from the nominal rate during 60 sec;• Close-loop speed or torque control;• Open-loop speed or torque control;

• EMC lter C2 category allows to install in the electrical roomclose to the testing and automation facilities;

• Low noises level;• Ambient temperature -20...+50 oC;• HVAC language (°C, Pa, Atm, Hz);• Integrated PID-controller;• Removable control panel;• Special HVAC functions

(motor drying, energy saving calculation).

from 75 to 400 kW

Triol AT24 VFD Line 4 is known for its multifunctional performance and exibility in such spheres of

application as ventilation and air conditioning. Due to the optimal construction this VFD allows realizationof the big variety of tasks. This Line can be identied by a compactness and simplicity of operation.

Line 4

• 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 lter C3 category;• Control of motors with permanent magnets;

• Automatic optimization of energy consumption;• Adaptive acceleration curves;• Energy monitoring;• Light weight and easy mechanical installation.

from 370 W to 4 kW

HVAC application,plastic enclosure, IP20 protection degree, 380 V/480 V/660 V/690 V


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Triol AT24 VFD Line C is the best solution to increase the pumps productivity. This line ischaracterized by a robust construction, multifunctionality and exibility. This drive is a great

option to ensure smooth operation of equipment, increasing its life period thanks to the exibilityand modernity of the technical solutions.

Line CPump application,plastic enclosure, IP20 protection degree, 380 V/480 V/660 V/690 V

• Plastic enclosure;• EMC lter С3 category;• Built-in PID controller;• Analog sensors and PTC thermocouples support;• Close-loop speed or torque control;• Open-loop speed or torque control;• U/f control;• Multipump and cascade control;• User-friendly removable control panel.

from 5,5 to 55 kW

Line ВHVAC application,metal enclosure, IP54 protection degree, 380 V/480 V/660 V/690 V

Triol AT24 VFD Line B is specially designed for application in the heating, conditioning and airventilation (HVAC) systems. This VFD gives an opportunity to simplify the system operation. TriolAT24 Line B is an ideal solution where an optimal price and wide functionality for the dicultapplication conditions are needed.

• Overload capacity is 120 % from the nominal during 60 sec;• Close-loop speed or torque control;• Open-loop speed or torque control;

• EMC lter C2 category;• Possibility of installation in the rooms with the permanent

presence of the sta;• Working temperature from -20 ... +50 oC;• Analog sensors and PTC thermocouples support;• User-friendly removable control panel;• Control of the motors with permanent magnets;• Special algorithms of the pumps, compressors and fans;• Special HVAC functions

(motor drying, energy savings calculation).

from 5,5 to 400 kW


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Triol AT24 Line E is specially designed in accordance with many exploitation specics for pumpsand fans control. Application of such a VFD provides reduced power consumption and smoothoperation of the equipment. Such a multifunctional and reliable solution will not only implementthe current tasks, but also prolong the equipment lifetime.

• EMC lter С3 category;• Close-loop speed or torque control;• Open-loop speed or torque control;

• Easy integration in control cabinets;• Pump language (°C, Pa, Atm, Hz);• Built-in PID-controller;• Operation with incremental and absolute encoders;• Analog sensors and PTC thermocouples support;• U/f control;• Cascade and multipump control;• User-friendly removable control panel.

Line EPump application,metal enclosure, IP20 protection degree, 380 V/480 V/660 V/690 V

from 75 to 400 kW

Triol AT24 VFD Line H is a versatile multifunction system that provides control of asynchronouselectric pumps for various purposes. This Line can be used to solve multiple issues that require

use of equipment in dicult conditions with maximum protection.

Line HPump application,metal enclosure, IP54 protection degree, 380 V/480 V

• Close-loop speed or torque control;• Open-loop speed or torque control;• EMC of C3 category;• Possibility of VFD’s installation in the engine

compartment with no use of cabinets;• Pump language (°C, Pа, Atm, Hz);• Built-in PID-controller;• U/f control;• Cascade and multipump control;

• Comfortable removable control panel;• Protection against unauthorized access.

from 5,5 to 400 kW


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Triol AT24 Line K was created specially to work with all types of lifting equipment. This drive hasa number of features, including the ability to control the cranes, high overload capacity, extendedoperating temperature range, etc. The use of this Line can improve the performance of the craneand its lifetime, optimize the equipment operation and increase its energy eciency.

• Crane language (rev, min, m/s);• Close-loop speed or torque control;• Open-loop speed or torque control;• Operational temperature is from -20 ... +50 oCC;• Control with multiposition joystick

(command controller);• 4 quadrant operation;• Dynamic (resistive) or regenerative braking;• U/f control;

• User-friendly removable panel;• Special crane features (brake control, control from thecontroller commands, separately congurable featuresof acceleration and deceleration).

Line KCrane application,metal enclosure, IP54 protection degree, 380 V/480 V/660 V/690 V

from 5,5 to 400 kW

Triol AT24 VFD Line H provides an easy and functional control of the pumps. It can be used bothindividually and in various integrated control systems when installing additional communicationunits. Extensive features provide eective protection for the entire «VFD – electric motor» system.

Line HPump application,metal enclosure, IP54 protection degree, 660 V/690 V

• Close-loop speed or torque control;• Open-loop speed or torque control;• Powerful and reliable solution for high-performance engines;

• Possibility of VFD’s installation in the engine compartmentnot using cabinets;• Pump language (°C, Pа, Atm, Hz);• Built-in PID-controller;• U/f control;• Multipump and cascade control;• Comfortable removable control panel;• Protection against unauthorized access.

from 75 to 1200 kW


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Production in 2014


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Triol AT24 Line 7 is specially designed for mechanisms that require speed or torque control. Ithas a high overload capacity. Completely sealed enclosure is protected from the dust and liquidpenetration and stable to the mechanical inuences. Due to its special hardware componentsTriol AT24 can operate in the aggressive environment and under the voltage drops.

• Overload capacity is 150 % of the nominal during 60 sec,220 % during 2 sec;

• Close-loop speed or torque control;• Open-loop speed or torque control;• EMC lter C3 category;• Asynchronous, synchronous and permanent magnet

motors control;• Support for incremental and absolute encoders;• Support of the industrial protocols Triol, Modbus,

CanOpen, Probus, Ethernet;• Stable operation under voltage drops;• Vandal-proof enclosure;• Reliable performance in aggressive environments.

Line 7Industrial application,metal enclosure, IP54 protection degree, 380 V/480 V/660 V/690 V

from 5,5 to 400 kW

Triol AT24 regenerative VFD Line 5 is specially designed for use in the industrial technologies thatcan be characterized by high dynamics of the speed change, high loads and continuous performancein the dynamic braking mode. This Line doesn’t require the use of the massive braking resistors. Dueto the regenerative mode the present VFD is a great solution for maximum eciency.

• Overload capacity is 150 % of the nominal value during60 sec, 220 % during 2 sec;

• Regenerative mode;

• EMC lter C3 category;• Asynchronous, synchronous and permanent magnet

motors control;• Close-loop speed or torque control;• Open-loop speed or torque control;• Support of incremental and absolute encoders;• Support of Triol, Modbus, CanOpen, Probus, Ethernet

industrial protocols;• Stable operation under voltage drops;• Reliable performance in corrosive environments.

Line 5Industrial application,regenerative, metal enclosure, IP54 protection degree, 380 V/480 V/660 V/690 V

from 5,5 to 400 kW


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Triol AT24 Line A is adapted for use with freight-passenger elevators of block of ats and oceblocks in residential and oce buildings. The VFD is designed basing on the advanced technologiesand can easily control the asynchronous and permanent magnet elevator motors. Optimalconstruction, convenient dimensions and original design let you receive the pleasure of workingwith the equipment.

• High overload capacity 220 % for 1 - 2 sec, 150 % for 60 sec;• Reliable metal enclosure with IP54 protection degree;• Close-loop speed or torque control;• Open-loop speed or torque control;• No need of cabinet for installation;• Possibility of installation in electrical rooms near the

control and measurement facilities;• EMC lter C2 category;• Measurement of the motor parameters at stand still;

• Lift language (rev, min, m/s);• Support of the incremental and absolute encoders;• Unique control algorithms for gearless winches;• Special hoists functions (brake control, evacuation

modes, inspection, short oor);• Built-in brake chopper.

Line А

Lift application,metal enclosure, IP54 protection degree, 380 V/480 V/660 V/690 V

from 5,5 to 37 kW

Line 9Industrial application,low harmonic, metal enclosure, IP54 protection degree, 380 V/480 V/660 V/690 V

Triol AT24 VFD Line 9 is designed for the objects sensitive to the power quality. With all thebenets of industrial drives, Triol AT24 Line 9 operates with testing facilities, precision equipment,robotechnics without costly ltration and supply voltage stabilization systems.

• Overload capacity is 150 % of the nominal during 60 sec,220 % during 2 sec;

• Close-loop speed or torque control;

• Open-loop speed or torque control;• Built-in EMC lter for all capacities (compliant with C3

category according to EN-61800-3);• Does not induce harmonic distortion to the supply;• Asynchronous and synchronous and permanent

magnet motors control;• Support of the incremental and absolute encoders;• Built-in PID controller;• Analog sensors and PTC thermocouples support;• Support of the industrial protocols Triol, Modbus,

CanOpen, Probus, Ethernet;• Reliable performance under the voltage variations.

from 5,5 to 400 kW


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Triol AT24 VFD Line M is used in cases where several motors are working as part of the singletechnological process. General supply of multidrive VFD’s provides complete safety and all controlfunctions realization. Multidrive VFD’s have some advantages compared with VDF’s of the other types,such as versatility, compact design, a wide range of additional equipment, adaptive programmingand reduced maintenance costs.

• Overload capacity is 120 % from the nominal during 60 sec;• Support of the multimotor roller table, conveyors,

elevators, escalators systems control algorithms;

• Several drives can be fed from one DC link with onebreaking chopper and one rectier;

• Compactness compared to using separate VFD’s;• Reduced cable use;• Reduced power device application and increased reliability;• EMC lter C3 category;• Integrated PID controller;• Support of the analog sensors and PTC thermocouples;• U/f control;• User-friendly control panel.

Line М

Multidrive application,metal enclosure, IP20 protection degree, 380 V/480 V/660 V/690 V

from 5,5 to 400 kW

Documentation review

More detailed information about products technical parameters and main features can be found at Triol

Corporation catalogues. The catalogues include model series number, functions and main features, possibleareas of application, technical data, mechanical settings, as well as the wiring diagram and dimensions.When reading a single directory you will also learn about other products that you will need in the future. To

simplify our products operation we have developed special documentation and additional units:• Operation Manual — contains information about the product’s installation, commissioning, maintenance

and technical parameters.In the interests of safety, it is important that you follow these user instructions, taking note of our recom-

mendations.• Programming Manual – describes VFD’s functions and parameters, the application of the control panel,

as well as the questions of programming and operating control.Specially developed additional units will allow using of intellectual and functional parameters of Triol AT24

VFD’s series.• Service Software — allows you to analyze equipment event log. For convenience in operation, you can

export it to Excel for displaying schedules, energy consumption and other parameters. The software is alsoworking with the medium-voltage equipment.

Dierent communication protocols as Probus, Modbus, Triol, CanOpen are used. Due to these protocolsyou can easily integrate your products in the upper-level systems (nd out more about in our SCADA and Soft-ware advertizing material at our website).

Triol Corporation oers a complete portfolio of services to ensure trouble-free operation and long productlifetimes. These services cover the entire life cycle and include: pre-purchase, installation and commissioning,engineering and consulting, condition monitoring and diagnosis, maintenance and eld services, spare parts,repair and refurbishment, migration and upgrades, training, specialized support and service contracts.

If you would like to leave your feedback on this advertizing material you can always do it on our website.We welcome feedback from our Customers and Partners and are always open for conversation.

The information here included can be periodically modied and updated and all those modications will be

incorporated in later editions. To consult the most updated information of this product you might access thoughour website www.triolcorp.com where the last version of our advertizing materials can be downloaded. Also, weprovide ongoing technical support through our website.

We are happy to help you 24 hours a day!


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For notes

We reserve the right to make technical changes or modify the contents of this document without prior notice.

The latest version of this document can be found on our website www.triolcorp.com.We reserve all rights in this document and in the subject matter and illustrations contained herein. Any repro-

duction, disclosure to third parties or utilization of its contents — in whole or in parts — is forbidden without priorwritten consent of Triol Corporation.


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74-A, Leningradskiy av.,Moscow, 125315, RussiaPhone: +7 (495) 662-57-79Fax: +7 (495) [email protected]

10-K, Frunze av.,Kharkov, 61007, UkrainePhone: +38 (057) 766-08-57

Fax: +38 (057) [email protected]

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