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Variable Frequency Drive – VFD

The VLT® AutomationDrive

It comes in a standard version (FC 301) and an advanced high dynamic version (FC 302) with additional functionalities. It helps save energy, increase flexibility, reduce costs related to spare parts and servicing, and optimize process control on any industrial machine or production line.

Enclosures are available up to IP 66 (depending on the model). Integrated DC chokes and RFI filters in all models protect installations by minimizing harmonic distortion and electromagnetic interference.

Supply voltages and power range

  • 3 x 200-240 V…0.25-37 kW
  • 3 x 380-500 V…0.37 kW – 1.1 MW
  • 3 x 525-600 V…0.75-75 kW
  • 3 x 525-690 V…1.1 kW – 1.4 MW

Low harmonic drive

  • 3 x 380-480 V…132-710 kW

12-pulse drive

  • 3 x 380-480 V…132-710 kW

Features and benefits

  • There’s less need for cooling or oversizing as the ambient temperature is 50°C without derating
  • The need for PLC capacity is reduced thanks to Smart Logic Control
  • Low lifetime costs are ensured as the drive is highly resistant to wear and tear
  • The lifetime of electronics is prolonged due to back-channel cooling for frames D, E and F
  • Commissioning and upgrades are easy due to plug-in technology
  • High-precision position and synchronization thanks to availability of Integrated Motion Controller throughout the entire product range.
  • Features such as intelligent heat management, Safe stop and Safe Torque Off ensure safe and energy-efficient operation of the drive.

Applications

Conveyors, positioning and synchronizing, cranes, mixers, centrifuges and palletizing and packaging machinery.

VLT® Micro Drive FC 51

Maximum strength with reduced installation costs

The VLT® Micro Drive FC 51 is small and yet powerful and built to last. Panel space can be saved and installation costs reduced thanks to its compact size and minimal commissioning requirements.

Despite its compact size and easy commissioning, the VLT Micro Drive can be set up to perform perfectly even in complex applications. It is supported by guided programming of specific functions and the use of a PC software tool for parameterizing. And, thanks to its coated PCBs, the drive ensures reliable and cost-effective operation also in demanding environments.

Supply voltages and power range

  • 1 x 200-240 V…0.18-2.2 kW
  • 3 x 200-240 V…0.25-3.7 kW
  • 3 x 380-480 V..0.37-22 kW

VLT FC051

Micro-Drive-FC-51

Features and benefits

  • Side-by-side mounting without derating is possible thanks to the compact, book-style design
  • Penetration of dust is minimized thanks to coated PCBs
  • Radio disturbance from motor cables is limited due to built-in RFI filters
  • Lifetime of the drive is extended and reliability improved as a result of the effective heat sink that removes heat from the electronics
  • Energy consumption can be reduced as kinetic energy in the application can be transformed into braking power to slow down the motor

Applications

Conveyors, pumps, fans, mixers, extruders, palletizers, packaging machines and other industrial appliance.

VLT® Advanced Active Filter AAF 006

The flexible filter for central/decentral harmonic mitigation

The VLT® Advanced Active Filter AAF 006 improves system efficiency and increases grid robustness to avoid downtime. It can compensate for individual drives or it can be installed as a compact standalone solution at a point of common coupling to compensate for several loads simultaneously.

The active filter ensures optimal harmonic suppression independent of the number of loads and their individual load profile. In addition, it corrects the power factor and balances the phase load to provide optimal energy utilization.

AAF 006

Advanced-Active-Filter-AAF-006

Supply voltages and power range

  • 380-480 V…190-400 A

Features and benefits

  • The lifetime of electronics are prolonged thanks to innovative concepts such as back-channel cooling
  • Durability and reliable operation is improved thanks to coated PCBs
  • A high degree of customization is possible due to the wide range of options
  • Running costs are low as a result of features such as sleep mode, progressive switching frequency and power factor correction
  • Servicing is easy due to the modular design

Applications

Conveyors, pumps, fans, mixers, extruders, palletizers, packaging machines and other industrial appliance.

VLT® HVAC Drive FC 102

Minimized lifecycle costs for HVAC applications

The VLT® HVAC Drive is designed to bring optimized process control to all heating, ventilation and air conditioning (HVAC) applications. Easy to use and with built-in intelligence, the drive is fast and cost-effective to commission. It features a wide range of functions specifically developed for use with, for example, pumps, fans and compressors to save energy, meet environmental regulations and reduce costs in modern buildings.

The compact design of the VLT® HVAC Drive and its efficient heat management system mean it is ideal for applications where drive space is restricted. A selection of safety features, such as Safe Torque Off and Safe Maximum Speed, protect both applications and their operators.

Maximum uptime is ensured as this robust drive offers problem-free operation in harsh environments. Enclosures are available up to IP 66 (depending on the model). And a special coating is available as an option to provide extra protection for circuit boards. Integrated DC chokes and RFI filters safeguard installations by minimizing harmonic distortion and electromagnetic interference.

Features and benefits

  • There’s no need for external cooling or oversizing as the maximum ambient temperature is 50°C without derating
  • PLC capacity is often unnecessary thanks to the Smart Logic Controller
  • A low initial investment and easy upgrades are possible thanks to the modular concept with a wide range of options
  • The need for external control and conversion equipment is avoided due to integrated pump, fan and compressor functionality
  • Less gateway solutions are needed thanks to a wide range of HVAC protocols for building management system controller connectivity

VLT FC 102

Supply voltages and power range

  • 3 x 200-240 V…1.1-45 kW
  • 3 x 380-480 V…1.1 kW – 1 MW
  • 3 x 525-600 V…1.1-90 kW
  • 3 x 525-690 V…45 kW – 1.4 MW

Low harmonic drive

  • 3 x 380-480 V…132-710 kW

12-pulse drive

  • 3 x 380-480 V…250-200kW

Applications

Pumps, fans, compressors.

VLT® Refrigeration Drive FC 103

Save energy and extend the lifetime of refrigeration applications

The VLT® Refrigeration Drive FC 103 is designed to help significantly reduce the life cycle costs of your refrigeration systems. It offers efficiency- and reliability-enhancing features, integrated process control functions and a commissioning environment specially designed to meet the needs of refrigeration applications. It also features a setup Wizard which uses common refrigeration terms. This makes installation and commissioning easy and safe for refrigeration technicians and installers.

The continuous variable speed control provided by the VLT Refrigeration Drive makes intelligent capacity control possible. By creating stability while balancing the capacity to the actual load, system-wide coefficient of performance improves providing significant energy savings in a wide range of applications.

The drive contains all modules necessary for compliance with EMC standards. The integrated, scalable RFI filter minimizes electromagnetic interference, and the integral DC link chokes reduce harmonic distortion in the mains network. As these features are built in to the drive in the factory, cabinet space can be reduced. Efficient EMC mitigation also enables the use of cables with small cross sections which reduces installation costs.

Supply voltages and power range

  • 3 x 200-240 V…1.1-45 kW
  • 3 x 380-480 V…1.1-450 kW
  • 3 x 525-600 V…1.1-630 kW
vlt-fc-360

Features and benefits

  • Energy consumption and maintenance requirements are reduced thanks to a range of pump features such as the pump cascade controller and flow compensation
  • Optimum system efficiency is achieved by taking advantage of the drive’s software features
  • Challenging environments are no problem due to the drive’s coated electronics
  • The need for external cooling or oversizing is avoided as the drive operates efficiently in a maximum ambient temperature of 50°C without derating
  • There are no EMC concerns as a result of integrated DC link harmonic and EMC filters

Applications

Pumps, fans, compressors, condensers and evaporators.

VLT® AQUA Drive FC 202

Maximum energy efficiency for water and wastewater applications

The VLT® AQUA Drive is designed to provide the highest level of performance of AC-motor-driven water and wastewater applications. Featuring a wide range of powerful standard features, which can be expanded with performance-improving options, the drive is equally suited to both new and retrofit projects.

The considerable daily load variation in water or wastewater treatment plants makes it economically feasible to introduce motor control on rotating equipment such as pumps and blowers. The new generation VLT AQUA Drive can realistically offer first-year cost savings of between 10–30% compared to traditional drive solutions. Its high lifetime availability and low energy consumption and maintenance costs provide you with the lowest cost of ownership.

The quick and user-friendly setup of water and pump settings reduces installation time ensuring a fast route to maximum energy efficiency and motor control. By collecting the most important parameters in one place, the risk of incorrect configuration is reduced significantly.

Supply voltages and power range

  • 1 x 200-240 V…1.1-22 kW
  • 1 x 380-480 V…7.5-37 kW
  • 3 x 200-240 V…0.25-45 kW
  • 3 x 380-480 V…0.37 kW – 1 MW
  • 3 x 525-600 V…0.75-90 kW
  • 3 x 525-690 V…45 kW – 1.4 MW

Low harmonic drive

  • 3 x 380-480 V…132-710 kW

12-pulse drive

    • 3 x 380-690…250-1400 kW

    Features and benefits

        • Assets are protected thanks to specially designed software that prevents, for example, water hammering
        • Energy efficiency is maximized as a result of the drives control algorithms and design which focus on reducing heat loss
        • High energy savings related to air conditioning are ensured due to the unique back-channel-cooling concept that transfers 90% of heat away from the room
        • Electromagnetic interference and harmonic distortion are reduced thanks to the built-in, scalable RFI filter and integrated DC link chokes
        • Perfect system integration and adaptation to the application are possible due to freely programmable warnings and alerts
        • 3–8% energy savings are achieved as a result of Automatic Energy Optimization

    Applications

    Centrifugal pumps and blowers, positive displacement blowers.

    VACON® 100 INDUSTRIAL DRIVE

    One drive for a wide range of applications

    VACON® 100 INDUSTRIAL is full of features and dedicated for a wide range of constant power/torque applications. The easy-to-use and robust motor controls improve the reliability and efficiency of all AC motor types, including induction and permanent magnet and synchronous reluctance motors.

    Integrated RS485 and Ethernet interfaces support all major industrial protocols making VACON 100 INDUSTRIAL easy to incorporate into all major control systems. The built-in PLC functionality enables integration of new functionality into the drive. Functional safety is improved with Safe Torque Off, which prevents the motor from generating torque on the motor shaft, Safe Stop 1 and ATEX-certified motor over-temperature protection.

    The wall-mountable drive modules are easy to install and operate, and the enclosed drives are provided with a wide range of integrated options.

    Supply voltages and power range

    • 208-240 V…0.55-90 kW
    • 380-500 V…1.1-630 kW
    • 525-690 V…5.5-800 kW

    Features and benefits

    • Easy integration with plant automation due to extensive range of fieldbus options
    • High reliability in challenging environments as a result of conformal coating
    • Extended drive lifetime thanks to film capacitors
    • No additional accessories are required due to integrated RFI filters and DC chokes

    Applications

    Centrifugal pumps and blowers, positive displacement blowers.

    VACON®-100-INDUSTRIAL-DRIVE

    VACON® 20 Drive

    Built-in functionality for enhanced control

    Although extremely compact in size, the VACON® 20 is packed with functionality to help improve system performance and cost efficiency.

    Fast installation and set-up are possible due to easy-access terminals, integral DIN rail mounting and the parameter copying tool which can clone settings without needing mains power. The parameter list can be freely modified and application-specific parameter sets and default settings can be created. PLC functionality means individual control logic can be built into the drive and unused I/O options can be used for other machine-related tasks.

    The built-in RS-485 interface provides a cost-effective and simple serial-control interface for the drive. With optional modules, VACON 20 can be connected to almost any field bus system based on RS-485 or Ethernet, including Profibus DP, CANOpen, DeviceNet, Profinet I/O, EtherCAT, Modbus TCP/IP and Ethernet IP.

    Available in all common voltages and in a wide power range, VACON 20 optimizes the performance of, for example, vertical-movement, packaging, material-handling and flow-control applications in various process industries around the globe.

    Supply voltages and power range

    • 1 x 208-240 V…0.25-2.2 kW
    • 3 x 208-240V…0.25-11 kW
    • 3 x 380-480 V…0.37-18.5 kW

    Features and benefits

    • Individual and customized control due to built-in PLC functionality
    • Optimized performance in demanding environments thanks to unique passive cooling system
    • Fits into the tightest of spaces due to its slender economical design
    • Supports asynchronous induction as well as permanent magnet synchronous motors
    • Dedicated functionality to improve flow control in building-automation applications
    VACON®-20

    Applications

    Conveyors, extruders and packaging machines, textile winders, processing and washing machines, fans and pumps.

    VACON® NXP Air Cooled Drive

    Precise and powerful performance

    VACON® NXP Air Cooled drives offer precision and power to applications that require a robust and dynamic performance. Available in a complete power range up to 2 MW, they are provided as wall-mounted, standalone enclosed and IP00 modules.

    The drives provide optimized motor control for both induction and permanent magnet motors, and gearless drive applications and paralleling solutions for high-power motors. Fast fieldbus options and exceptional programming flexibility ensure the drives are easily integrated into any plant’s automation system. Engineering time and costs can be saved due to the high number of standardized options and reduced system complexity.

    Supply voltages and power range

    • 230 V…0.55-90 kW
    • 500 V…1.1-200 kW
    • 690 V…3.0-2000 kW

    Features and benefits

    • Easy integration into any plant’s automation system thanks to fast fieldbus options and exceptional programming flexibility
    • Investment costs are minimized as no additional external modules are needed and the drives are supplied with five built-in expansion slots for additional I/O, fieldbus and functional safety boards
    • Fast response to changes due to dynamic open- and closed-loop vector control
    • The drive’s DC fans fulfill the ERP2015 directive on decreasing fan losses and significantly increase the reliability and lifetime of the fan
    • The lifetime of the drive and critical components are extended as a result of coated printed circuit boards that offer reliable protection against dust and moisture.

    Applications

    Elevators, escalators, cranes, hoists, winches, cargo pumps, pumps, fans, conveyors, machine tools, yaw and pitch control applications, oil pumps, winders and unwinders, pulp dryers, tissue machinery and extruders.

    PC tools

    • VACON Live
    • VACON Loader
    • VACON Programming
    • NCIPConfig
    • VACON Save
    • Danfoss HCS (Harmonic Calculation Software)

    VACON® NXP Common DC Bus

    Easy integration – ultimate flexibility

    The VACON® NXP range of common DC bus drive products includes a number of active front-ends, inverts and brake chopper units. They ensure all energy within a system is effectively utilized and redistributed.

    Common DC bus components can be used in many different combinations. In a regenerative DC bus system, the active front-end unit generates power back to the mains network. This is suitable for processes where braking is needed often and the braking power is relatively high. In a non-regenerative system, braking power is redistributed to other drives in the system and possible excess power can be dissipated as heat using an optional brake chopper and brake resistors. This is ideal for small production lines where braking is needed less often.

    Supply voltages and power range

    • Inverter units
    • 380-500 V…1.1-1800 kW
    • 525-690 V…1.5-2000 kW

    Features and benefits

    • Reduced energy costs as regenerative front-end feeds excess braking energy back into the network
    • Investment costs are low as a result of reduced power cabling and installation time
    • Cost and space savings as optimized module design reduces need for additional engineering and cabinet space
    • Lower system complexity thanks to five built-in expansion slots for additional I/O, field bus and functional safety boards.
    • Improvements in drive line-up tolerance to voltage dips/sags and minimized harmonic distortion are possible as a result of the active front-end unit.
    • Easy installation of compact option boards.
    VACON®-NXP

    Applications

    Continuous web and roller table systems, winders and unwinders, cranes, hoists, gantry and trolley drives, centrifuges, winches, conveyors and excavators.

    VACON® NXC Drive

    Flexible, robust and serviceable

    The enclosed VACON® NXC is the compact drive that performs reliably in harsh operating conditions in, for example, the mining, oil and gas or water and wastewater industries. The thermally managed enclosure extends drive lifetime and ensures trouble-free operation.

    The enclosures, which feature lifting lugs for easy handling, can be either wall-mounted or free-standing. The easily accessible control compartment for relays, auxiliary terminals and other equipment, and ample space around the power terminals ensure straightforward installation and connection of power cables. And the mounting rails and pull-out jig enable fast and efficient servicing of the power unit.

    Supply voltages and power range

    VACON NXC, 6- and 12-pulse supplies:

    • 500 V…132-1200 kW
    • 690 V…110-2000 kW

    VACON NXC, AFE supplies:

    • 500 V…132-1500 kW
    • 690 V…110-2000 kW

    VACON NXC Low Harmonic, Active Filter supplies:

    • 500 V…132-560 kW
    • 690 V…110-800 kW
    VACON®-NXC-Drive

    Features and benefits

    • Lower investment cost as no extra design, engineering or additional cooling fans are needed
    • Reduced commissioning and servicing time due to easily accessible control compartment and removable keypad
    • Improved serviceability thanks to mounting rails and service concept with pull-out jig
    • Lower maintenance costs due to robust, type-tested design

    Applications

    Pumps, fans, extruders, conveyors, thrusters and power conversion and propulsion units.

    How does Danfoss Drives differ from other drives manufacturers?

    One concrete example of how we differ from our competitors is in our motor and system independence. Danfoss drives are independent of control systems and motor technology. This freedom enables you to choose the motor technology and motor manufacturer that best suit your application to ensure its peak performance and optimized energy consumption. Making the right choice of drive and optimizing your entire system creates potential energy savings of up to 60%.
    Using the automatic motor adaptation function, in less than three seconds, Danfoss AC drives can be configured to control the operation of any standard asynchronous (IM), permanent magnet (PM) or synchronous reluctance motor. Automatic motor adaptation can be performed when the drive is at standstill. And, as it doesn’t generate any torque on the shaft, it can be carried out on a motor that’s already installed.
    With all motors controlled by the same drive, operators can use the same user and system interfaces, the same extensions, and the same proven, reliable technology over the entire power range. This saves commissioning time, reduces training costs, simplifies maintenance activities and keeps spare part stock levels to a minimum.

    Making our world and way of living more sustainable

    An AC drive is a device used to control the speed of an electrical motor in order to:

    • enhance process control
    • reduce energy usage and generate energy efficiently
    • decrease mechanical stress on motor control applications
    • optimize the operation of various applications relying on electric motors

    Drives can also be utilized to convert energy from natural and renewable resources like the sun, wind or tides, and transmit it to the electrical network or use it for local consumption. In hybrid technologies, AC drives are used to combine conventional energy sources and energy storages to create total energy management solutions.

    AC drives are also known by various other names such as adjustable speed drives, adjustable frequency drives, variable frequency drives, variable speed drives, frequency converters, inverters and power converters.

    Did you know?

    • Emerging economies are driving the increase in energy consumption
    • 20% of the world’s energy consumption is electrical energy
    • 40% of electrical energy is used by electrical motors
    • 75% of AC drives are used on pumps and fans
    • Global electrical energy consumption could be reduced by 10% if AC drives were used in every suitable application

    The need for energy conservation in order to save the environment is a key driver in the development of speed control devices, and AC drives provide the optimum method of controlling the speed of electrical motors to match load demand. Even small changes in motor speed can cause significant changes in energy consumption.

    AC drives are well hidden, but nevertheless they play a major and very necessary role in modern, everyday life by making the world and our way of living more sustainable.

    Danfoss Drives | Services

    The expected lifecycle of an AC drive is long and contains diverse phases, each with different characteristics and requirements. From engineering and dimensioning for a new installation through procurement, delivery and installation to the long usage phase, all activities contribute to the value chain and product’s lifecycle. Drive services have been designed to maximize the benefits by improving overall efficiency and profitability, and minimize the operational costs of the Danfoss AC-drive solution in any application or industry segment.

    DANFOSS MOTION CONTROL DIVISION (DANFOSS VLT DRIVES):

    Danfoss is a Denmark based, global company involved in manufacturing and marketing of a wide range of Control and Automation products for Industries.

        • Danfoss drives is amongst the top 3 drive suppliers in european union
        • Dupplying ‘only’ drives since 1968
        • In 1980 we produced approx. 6000 frequency converters, in 2008 we produced and delivered 600,000 units to customers worldwide
        • Approx. 20% yearly growth in frequency converter quantity produced
        • We produce on customer order, supported by regional assembly in europe, usa. This means no inventories of finished goods in the factories

    DANFOSS INDUSTRIES PVT. LTD., INDIA

    100% WHOLLY OWNED SUBSIDIARY OF DANFOSS- DENMARK

        • DRIVE PANEL
        • LOAD TEST FACILITY
        • CERTIFICATION
        • CHENNAI CORPORATE OFFICE

    KEY POINTS TO CONSIDER

    General Features of Danfoss VLT®

        • Industry and application dedicated drives
        • low power loss and low harmonic drives
        • service network & local support
        • complete solution provider
        •  energy saving concepts
        • Technology : Danfoss VLT FC 300 Drives employ Voltage Vector Control (VVC) Plus Technology which ensures generation of advanced sinusoidal output voltage wave form which produces 100% true RMS Value of Fundamental Voltage, with minimum harmonics.
        • Excellent Torque & Speed Control
        • Harmonic Filters : Built-In. DC link circuit equipped with chokes both on the positive & negative rails of DC Link for harmonic suppression and near unity true power factor.
        • Automatic Motor Adaptation : The drive measures motor’s stater inductance and reactant, while the drive is connected to a stand still motor.
        • Unlimited Switching : Unlimited switching on the output is permissible.
        • PID Controller : PID Controller is built-in.
        • SLC Function : VLT FC 300 is an Automation Drive with small Logic Function & eliminates requirement of some PLCs
        • Soft Switching Technology : Soft switching ensures that Voltage rise time at motor terminals remain low which prevents arcing between the bearings & race way & within the windings thus eliminating the need of vacuum impregnated insulation winding & insulated bearings even if the screened cables distance between VFD & motor is as long as 150m.
        • Energy Meter : Danfoss VLT FC300 series are equipped with built-in Energy Meter which gives kW-Hr of energy consumed by the motor.
        • Adjustable Switching Frequency Modulation
        • Other Meters : Power Meter (which gives kW consumption), Run Time Counter (which gives number of hours run by the motor with VSD), Output Voltage, Output Frequency, Current, Motor RPM, Drive Heat Sink Temperature, %Motor Thermal Loading etc. are built-in which assist in monitoring the performance of the drive and the motor
        • Protections: Under Voltage, Over Voltage, Over Current, Phase Failure, Phase Imbalance, Phase Reversal, Voltage Fluctuation, Earth Fault. Also, the Danfoss VLT FC 300 VSDs are 100% protected from the phase to phase fault on the motor terminals and earth fault from the motor terminal. Also the VSD is protected form Over Heat Sink Temperature
        • VLT Software (PC Connectivity) : The VLT Software and standard RS485/RS232 converter / USB Port allows integration of Danfoss VLT FC 300 VSDs
        • Heat Management : Only 1.5% to 2% of the energy is lost through the drive
        • Efficiency is vital for high power drives and Optimizes motor efficiency
        • Save space : The compact design of the VLT® drives,Built-in filters, options and accessories facilitate this compact installation Optional, input fuses and mains switch (disconnect) available with standard enclosures.
        • Encoder and I/O options, RFI and Hot pluggable LCP
        • Conformal coating and Corrosion resistant
        • Field bus options
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