for drives in mechanical engineering

Electrical drive technology such as frequency converters, DC converters, inverters, servo controllers for more efficiency in Industry 4.0

Image: Mitsubishi Electric


for drives in mechanical engineering

Electrical drive technology such as frequency converters, DC converters, inverters, servo controllers for more efficiency in Industry 4.0

Image: Mitsubishi Electric

Inverter | Power electronics for modern drives

Inverter are electronic devices that change the properties of electrical energy. This is how frequency converters, DC converters, inverters, switch cabinetconverter etc. in particular voltage, type of current and frequency of the current to the control of e.g. B. Electricmotors at. Here you will find a comprehensive overview of the Manufacturers, new application possibilities as well as detailed product presentations.

KEB converter

Inverter 2024 – The most important things in brief

In drive technology, converters such as frequency converters, DC converters, inverters, servo controllers, etc. are used in particular as flexible ones Regulation of the speed of electric drives. This can be used, for example, to vary the volume flow of a pump or to achieve a smooth start-up of a motor. Inverter for electric motors are used particularly in the high performance range. 

The latest developments in converter technology offer designers exciting opportunities for optimizing drive systems. Modern inverters integrate sophisticated control methods such as vector control and direct torque control (DTC), which provide unmatched precision in the Motor control enable.

The integration of real-timeEthernet communication supports implementation in networked production environments, facilitates remote monitoring and maintenance, and precise adjustment to variable load requirements.

It also enables the use of extended Energy recoverysystems ensure efficient use of the braking energy, which not only increases energy efficiency but also reduces operating costs.

The application of Artificial intelligence and machine learning for predictive maintenance and adaptive control strategies opens up new ways to minimize downtime and extend the life of drive systems.

Below we present the latest developments in converters and other power electronics: 


Rectifier optimizes energy supply quality

05.03.2024/XNUMX/XNUMX | The SimΩn rectifier from Condensator Dominit sets new standards in the quality of energy supply. As an active, modular rectifier, SimΩn uses advanced and low-loss semiconductor technology based on silicon carbide. This innovative technology makes it possible, among other things, to dampen the energy supply networks on a broadband basis.
servo controller

Certified servo controller with Profisafe interface

04.03.2024/2/2050 | Wittenstein is presenting the innovative servo controller “Cyber ​​Simco drive 2100” at Logimat in Stuttgart. This safety-certified servo controller with Profisafe interface is available in the performance variants SIMXNUMX and SIMXNUMX with an integrated safety card.
frequency converter

Modular frequency converter with maximum performance

22.02.2024/XNUMX/XNUMX | The modular Inveor concept of Kostal's frequency converters allows all types of motors to be controlled without sensors. You can combine motors or gearboxes with this frequency inverter, regardless of manufacturer. You can also save costs in the long term because the Inveor controls all types of engines with maximum efficiency.
Backup solution

Backup power solution with inverter and battery

18.02.2024/48/XNUMX | Solaredge presents a three-phase backup solution to guarantee homes an uninterrupted power supply during power outages. This is based on the three-phase Home Hub inverter and the XNUMX V Home battery. The backup power solution was developed to meet the increasing interest in self-sufficiency and independence of the grid.
Inverters for Home

Inverter for balconies and larger systems

02.12.2023/100/125 | Growatt presented its latest inverters, including the MAX 3-4110KTL2023-X LV, at Solar Solutions in Düsseldorf. This inverter is certified according to VDE AR-N 800:XNUMX and therefore qualifies for the unit certificate for medium-voltage generation systems. A highlight are the NEO XNUMXM-X microinverters optimized for balcony solar systems.

Inverter types

There are several types of inverters that differ in their functionality and areas of application:

  1. Standard inverter (V/F inverters) convert the input voltage into a variable frequency and voltage to control the speed of the motor.
  2. Sensorless vector inverters provide more precise control of engine speed and torque without the use of external ones Sensors.
  3. servo converter are specialized in controlling servomotors and provide high-precision control of position, speed and torque.
  4. Regenerative converters can the energy that comes with Brakes The energy generated by the motor is fed back into the power grid.
  5. Direct converter are able to convert alternating current directly into another alternating current (ac-ac) with different frequency.
  6. Multilevel inverter use multiple voltage levels to produce a higher quality, closer to sinusoidal output voltage. They reduce harmonic distortion and are suitable for applications with strict power quality requirements.

We have taken a special look at the following inverters for you:

Frequency inverter | For the optimal speed on the electric motor

Frequency inverters have been regulating this for over 50 years number of revolutions and thus the Speed of electrical machines. Engines are infinitely adjustable, which is the case in many industries these days Automotive industry, air conditioning, food technology, handling technology, processing machines and much more. is essential. Here we present new developments and application examples of the converters.

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rectifier | Electronic components for direct current converters

Rectifiers, the electronic components for direct current converters, are essential in electrical engineering because they Alternating current to direct current convert. This article highlights current new developments on the market, shows application cases and takes a look back at the evolution of this technology. The focus is on the advanced technologies and materials that significantly improve the efficiency and performance of modern rectifiers.

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Servo controller | From servo amplifiers to servo converters

Today's servo controllers, servo amplifiers and servo converters open up the world with their precision and efficiency Motion control new horizons for applications in the Automation, robotics and many other industries. Find out more about the power electronic actuators, their applications, the development status and the new developments available on the market.

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Find the best inverter for your solar system

A PV inverter is crucial for the performance of your photovoltaic system: it converts Direct current to alternating current so that you can use the energy. But which inverter suits your system best? In this article you will learn how inverters work, what they have to do and how to choose the optimal model for your specific needs. We will also introduce you to new developments.

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Applications and Industries

Inverters are used in a variety of industries and consumer applications to improve efficiency and control electric motors to improve. Their versatility allows them to be used in many areas such as industrial automation Renewable energies, in Technical Building Services, electromobility and in household appliances. Below are some such applications.

Inverters for Home

Inverters for photovoltaics and solar

A PV inverter is crucial to the performance of your photovoltaic system: it converts direct current into alternating current so that you can use the energy. But which inverter suits your system best? In this article you will learn how inverters work, what they have to do and how to choose the optimal model for your specific needs.
Drive Technology

For conveyor technology in airports and parcel distribution centers

Nord Drivesystems presents the new Nordac Flex SK 205E frequency inverter from its powerful and efficient Nordac Flex series. It was developed specifically for luggage transport systems at airports and conveyor systems in parcel distribution centers. The converters can be installed close to the drive in the field or integrated into the motor.
frequency converter

Hygiene-friendly inverters for bakery technology

A powerful partner for drive concepts in bakery technology is Antriebsbau Nord. With corrosion-resistant smooth motors, gearboxes, frequency converters and motor starters in washdown aluminum housings, Nord Drivesystems offers hygiene-friendly drive technology for mixing and stirring technology in bakeries.

Control of compressors in fuel cells

Celeroton presents a special frequency converter that is used to control compressors in fuel cell systems. The CC-550-7500 allows sensorless control of brushless DC motors (BLDC) and permanent magnet synchronous machines (PMSM). The modulation and control can be tailored to almost any electrical machine.
frequency converter

Intelligent drives for building automation

Danfoss frequency converters make a significant contribution to the realization and modernization of more energy-efficient buildings. By efficiently controlling standard asynchronous, permanent magnet and synchronous reluctance motors, they make great use of the energy saving potential through speed control of pumps, compressors and fans in building technology.
frequency converter

Frequency converter for crane applications

Mitsubishi Electric rounds off its frequency converter portfolio and supplies devices for additional voltage and power ranges. The drive specialist offers compact devices up to 630 kW, a liquid-cooled series for harsh operating conditions and special devices available at short notice for crane applications and wrapping applications.

users report

From barrel drives to a baggage conveyor system to stage technology: three users of frequency converters let us take a look behind the scenes:

Frequency converter Victoria Airport
Inverter cheese grater London
Frequency converter in the Łódź Theater

Manufacturer know-how

Mitsubishi frequency converter

Mitsubishi Electric has a large selection of frequency converters, servo amplifiers and inverters in its portfolio, tailored to the needs of various industrial applications. When it comes to frequency converters, devices range from compact models for simple drive tasks to advanced systems for complex applications with precise speed and torque control. The porridgeThis range of servo systems is used in Robotic, CNC machines and other high-precision motion control applications. Become complex movement sequences and coordinated steering If multiple axes are required, the automation provider offers powerful motion controllers. 

Efficient frequency converters for the smart factory

Mitsubishi Electric frequency inverters cover commercial applications as well as applications in harsh conditions. The manufacturer pays particular attention to efficiency. With his Line up series e.g. For example, the high-quality converters only do exactly what they are supposed to do with less functionality. Or the FR-E800 series offers a unique selling point with its standard function for corrosion detection. 

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Servo amplifiers with open network connections

The Servo Open Network Functionality in the “Melservo MR-J4” amplifier series makes it possible to serve the changing international performance requirements of modern high-end machines in the field of motion/control with just one solution. Thanks to the multi-network interface, the compact drive solution from Mitsubishi Electric has interfaces to all globally relevant motion systems, making it easier for machine builders to enter the global market.

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Other manufacturers

There are a number of manufacturers that offer inverters, controllers and other power electronics. Each brings unique strengths and specializations to the converter market: from high energy efficiency and robustness to advanced digital integration and adaptability to specific industry needs. Here are the most important providers:

  • ABB offers an extensive range of frequency inverters for different applications, from general motor control to specialized solutions for heavy industrial applications. The drives are known for their reliability and performance as well as their advanced digital services as part of the ABB Ability digital platform.
  • Baumüller has established itself as a leading provider in converter technology with its innovative solutions and commitment to quality and customer service. A wide range of modular components that place a strong focus on energy efficiency make it possible to configure drive systems exactly according to the specific requirements of an application.
  • Beckhoff integrates its inverter technology seamlessly into PC-based control technology, including series for servo drives. The EtherCAT technology enables extremely fast Communication and synchronization, ideal for highly dynamic positioning tasks.
  • B&R Industrial Automation offers a wide range of inverters designed for precise control of machines and systems. Innovative technologies such as “Reaction” and “Nettime” enable extremely fast control and synchronization.
  • Danfoss Frequency converters are used in a variety of applications Building automation to the process industry. Energy-efficient and robust, they are particularly suitable for demanding environments.
  • NORD specializes in drive technology with a wide range of products gearmotors, frequency converters and decentralized drive solutions. The solutions are flexible, scalable, energy efficient and user-friendly.
  • KEB Automation offers a comprehensive range of frequency converters, servo systems and magnetscouplings. The drive systems are particularly known for their high adaptability and the integration of safety functions.
  • costal Industrie Elektrik focuses on converter solutions for photovoltaics and industrial applications and impresses with smart network options and flexibility in application, especially in solar energy.
  • Lenze supplies an extensive range of inverters, servo drives and motion control solutions that are specifically tailored to the needs of machine automation. The focus is on user-friendly software and high system compatibility.
  • Rockwell Automation offers a wide range of frequency converters, servo drives and motor controls for factory automation through to the control of high-speed production lines under the Allen-Bradley brand. The inverters integrate seamlessly into the Logix control system, a highly integrated automation solution.
  • Schneider Electric offers a variety of inverters and soft starters for a wide range of industrial and commercial applications. The focus is on IoT integration with the Ecostruxure platform, improved connectivity, monitoring and energy efficiency.
  • SEW Eurodrive offers a wide range of inverter technologies, including systems for various industrial applications. The solutions are characterized by easy commissioning, high efficiency and extensive modular design.
  • Siemens offers a wide range of frequency converters, servo drives and soft starters for various industries. Emphasis is placed on flexibility and scalability for applications ranging from simple machines to complex drive systems. Integration into the TIA Portal allows seamless and efficient configuration, commissioning and diagnostics.
  • Rummage offers high-precision drive technology and converters, including servo controllers and positioning controls for demanding automation tasks. The systems are known for their precision, robustness and easy integration into complex machine concepts.


What is an inverter?

An inverter is an electronic device that changes the properties of electrical energy, particularly around the Voltage, type of current and frequency of the current. It is primarily used to control the speed of electric motors by changing the frequency (and often the alternating voltage) of the alternating current (AC) supplied to the motor.

How does a frequency converter work?

The core function of a frequency converter can be broken down into three basic steps:

  1. Rectification: First, the inverter converts the incoming alternating current (AC) into direct current (DC). This is done using rectifier circuits, which can consist of diodes or thyristors.
  2. intermediate circuit: The direct current generated in this way is stored in an intermediate circuit, often using capacitors to create a stable voltage source. This serves as the basis for the subsequent conversion.
  3. Reversing direction: In the last step, the direct current is converted back into alternating current using switching transistors. Modern inverters often use pulse width modulation (PWM) technology for this process to precisely control the output voltage and grid frequency, allowing precise control of motor speed and motor power.

Through these operations, the inverter enables flexible control over the speed and torque of electric motors, which is crucial in numerous applications from industrial automation to household appliances.

What is meant by an inverter?

An inverter, also called Inverters for Home is a device that converts direct current (DC) into alternating current (AC).