Variable Frequency Drive Experts in Germany
in minutes from over 15,000 CVs with the power of AI.Hire experts who size, commission and tune VFD systems for pumps, fans, conveyors and machine lines. They work with inverter drives, motor control cabinets, PLC integration and fault finding, matched fast with vetted, available freelancers.
Meet FRATCH Experts in Germany, who have recently used Variable Frequency Drive
Vaibhav Ganvir
Last position:
Expert Software & Functions Engineer at AVL Software & Functions GmbH
E-Drive Control
- Performed Model-Based Development (MBD) of application software (ASW) functions for E-Drive control using AVL & customer toolchains
- Translated product requirements into scalable, high-performance Simulink models for high-visibility projects, ensuring compliance with V-Model, AUTOSAR, ASPICE, ISO 26262, MAAB, MISRA, MXAM
- Automatic code generation (.c, .h, .arxml) using Embedded Coder
- Analyzed and derived system and ASW requirements, along with test cases, using PTC Integrity, CodeBeamer & PikeTec TPT
- Performed Verification & Validation of ASW using MIL/SIL/HIL, model/code coverage, exception report, req. & test case traceability
- Reviewed requirements, test cases and ASW, providing feedback to testing & development teams to drive bug fixes & improvements
- Created signals in Visu-IT-ADD & Vector DaVinci Developer Classic
- Documented ASW functions using Visu-IT-FunDoc & customer tool
- Updated enterprise architecture (EA) framework for system & ASW
- Created whitebox specifications for Inverter subsystem using Visio
- Commissioned & tested Inverters on Power HIL
- Mentored colleagues to foster collaboration & knowledge sharing
Hendrik Wagner
Last position:
Software Test and Maintenance Support at Anton Paar ProveTec GmbH
- Add/create test specifications
- Conduct regression tests
- Conduct release tests
- Analyze Jira tickets
- Identify software defects and fix them with C#
Ali Desteli
Last position:
Software Engineer Industrial IT & PLC at Yaskawa Europe GmbH
Designed and implemented the complete data flow architecture for the Mercedes-AMG battery case production line, from raw material processing to end-customer traceability.
Developed MQTT-based communication protocols for Siemens S7 PLC controllers to enable efficient real-time data exchange between machines and supervisory systems.
Architected a local Ubuntu-based industrial server, integrating Node-RED for data collection, MySQL databases running in Docker containers, and automated data pipelines.
Commissioned connectivity of 52 Siemens PLCs and 32 Yaskawa welding and handling robots.
Designed and implemented HMI and visualization systems to support operator interaction and production monitoring.
Designed a 2D digital twin of the production floor, visualizing real-time process data from 26 Siemens PLCs and 18 Yaskawa welding robots via Stromquelle interfaces.
Implemented data collection and camera-based measurement systems for welding quality control and automated defect visualization.
Designed and optimized MySQL database structures, including stored procedures for data processing and performance analytics.
Bernd Schröder
Last position:
Founder at 3appy UG
- Consulting as Product Owner, Project Management, SCRUM Master, and Agile Coaching
Nils-Simon Runge
Last position:
Independent Consultant | Trainer | Coach at LeanPlus
- Designing and implementing Lean projects in mid-sized companies and large corporations
Ulrich Eisel
Last position:
Technical Consultant in Electrical Engineering
Technical consulting for electrical engineering in the areas of control system design, measurement technology and automotive applications
Participation in development, commissioning and optimization of individual components for hybrid electric drives including HV batteries and electrical auxiliary units
Integration of individual systems into the overall system and preparation for homologation
Development of analog and digital circuits
Design of circuit diagrams in control and special machine construction for individual machines
Definition of switch cabinet layout and switch cabinet wiring
Selection and programming of electronic control (PLC) and display / control unit (HMI)
Selection and parameterization of converters, sensors and DC-DC converters
Adaptation of industrial and rail components for vehicle use in cooperation with external development partners
Collaboration with external developers from specification to function testing and final acceptance of the finished device
Design of HV network for hybrid vehicles as well as construction supervision and commissioning
Specification and testing of electrified auxiliary units (steering, climate control, on-board power supply)
Parameterization of frequency converters and programming of positioning controllers
Preparation of quotes, creation of specifications, price negotiations and procurement of electrical items
Scheduling and control as well as supervision of control system construction, wiring and machine wiring
Creation of PLC programs and programming of operator panels (HMI)
Functional testing of individual machine elements and sensor adjustment
Initial commissioning at the manufacturer's site, test run of the machine, documentation preparation and revision of circuit documents
Leading commissioning at the end customer, training of customer's staff and management of the electrical engineering department with supervision of employees
Own patent research and patent monitoring (optoelectronic 3D measuring systems)
Commissioning and troubleshooting of HV batteries for hybrid vehicles together with the manufacturer
System responsibility for hybrid test vehicles, especially HV safety
Use of CAD systems (AutoCad light), CAE systems (Caddy++ electrical 3.0SP1, EPLAN P8), MS Office, MS Visio, MS PowerPoint, Adobe Acrobat Standard, Vector CANalyzer, Mitsubishi Melsec Medoc Plus, Mac-Programmer Plus, S7 standard, Siemens Micro-Win 3.2, Siemens ProTool light and ProTool CS, S7-Net OPC server, programming software for frequency converters and positioning controllers, Sistema and Spice
Previous project experience includes: integration of HV batteries in hybrid vehicles, development of optoelectronic sensors, construction supervision of hybrid vehicles, commissioning of NC machines, electrical control of processing and packaging machines, commissioning of a photovoltaic system and restoration of a run-of-river power plant
Arianna Paglia
Last position:
Nonlinear and Complex Systems Analyst (Scholarship) at National Technological University
- Analyzed multi-source datasets using information-theory metrics such as permutation entropy, informational complexity, and decision-support models.
- Developed algorithms and data visualizations in MATLAB and Python.
- Conducted research and co-authored multiple peer-reviewed scientific publications based on the findings.
- Electrical project design and execution
- Digitalization and smart systems integration
- Supplier and contractor coordination
- Risk and quality management
- Strategic decision making
- Financial and ROI perspective
- Analytical and systemic thinking
- Data-driven decision support
- Problem solving and critical thinking
- Cross-functional team leadership
- Influential leadership
Leonardo Hocke
Last position:
Founder & Managing Director at Logic-Core GmbH
Logic-Core GmbH specializes in industrial automation technology and offers tailor-made solutions and comprehensive project management from the initial idea to execution.
Custom, client-focused freelance engineering services in the field of automation technology.
Development of custom PLC programs and modern visualization systems using TIA Portal, Step 7 and WinCC Flexible.
Design, creation and optimization of electrical schematics with WS-CAD Electrix, consistently taking into account and complying with current SIL and ATEX standards.
International commissioning, maintenance and troubleshooting of automation systems in the chemical, food, recycling, pharmaceutical and renewable energy industries.
Personal technical consulting, reliable customer support and extensive staff training.
Many years of cross-industry experience in commissioning complex technical systems.
Dietmar De Vries
Last position:
Certified Expert in Electrical Engineering according to DIN 17024 at Sachverständigenbüro de Vries
- Building and Real Estate Administration NRW: acceptance tests of photovoltaic systems
- Agrarservice Graf von Hardenberg: acceptance tests of photovoltaic systems
- BVB 09 Dortmund: defect report for a renovation project
- City of Duisburg: defect report for inner-city access barriers
- Freelancer as VEFK at LEONI Bordnetzsysteme GmbH, Kitzingen
- Project management of various projects at Aurubis AG, Lünen
Bernd Gasse
Last position:
Freelance Embedded and Software Engineer at Hardware-Software-Design
Specialized in embedded software development with C, C++, assembly, and designing interfaces to other applications or components
Focus areas: communication (wireless and wired), control/regulation, low-power RF applications (e.g., Bluetooth LE), IoT applications, systems for measurement/data acquisition
Development of cross-platform communication protocols based on Bluetooth Low Energy for embedded systems, embedded Linux, and mobile applications
Mobile/desktop software development with C/C++, QML, and the Qt framework; platform-specific interfaces in Java/Kotlin for Android and Objective-C/Swift for iOS
Platforms: Linux, Android OS, iOS, Windows/UWP, embedded Linux, macOS; cross-platform with Qt 6, QtQuick/QML
Multithreaded applications, UI/UX design with QtQML; experience with VxWorks and QNX
Consulting and requirements analysis from concept through design, prototyping, testing to production transfer
Expertise in desktop, mobile, and backend software, cross-platform development, embedded software, digital and mixed-signal applications, wireless modules (Bluetooth LE, WiFi), short-range device certification, Bluetooth listing
Hardware development: concept and design of electronic circuits, schematic creation (OrCAD, Fusion360), simulation (PSpice, LTSpice), layout, prototype assembly, and commissioning
Extensive project experience in PC/desktop/server software, embedded software, mobile applications, and hardware development projects (selected from 2008 to 2025)
Alexander Rupp
Last position:
PLC CPU Migration for Oxygen Control at Abwasserentsorgung Schöntal
- Migration of a Wago PLC from CODESYS V2 to CODESYS V3.5
- Porting existing software from V2 to V3.5
- Performing various software adjustments
- Creating a new web visualization (WebVisu)
- Installing the new controller and commissioning on site
- Updating the wiring diagrams
Muhammad Hammad
Last position:
Working Student Electrical Engineer Automation at ANDRITZ Gmbh
- Worked on TexManager
- Cost management of PLCs
- Worked on control logics through PLC programming for different changes in automated systems
Isabel Tenbrink
Last position:
Employee in Equine Therapy (Part-time) at Fendsbacher Hof (Catholic Youth Welfare Institution)
Stephan Vogt
Last position:
Gaswerke Etzel
- Create bill of quantities
- Obtain quotes
- Evaluate quotes
- On-site inspections for projects
- Select instrumentation
- Documentation
- Cable lists
- Migrated folder system to a database system
Discover over 15,000 top freelancers
Statistics of experts using Variable Frequency Drive
Aggregated from the professional profiles of matched freelancers.
Experience
20 years
Position duration
4 years
Positions per freelancer
11
Top business areas
Product Development, Operations, Information Technology
Top industries
Manufacturing, Energy, Automotive
Certification focus areas
Operations, Quality Assurance, Production
Bachelor's degree or higher
90%
Master's degree or higher
80%
Doctorate
20%
Certifications per freelancer
3
Most common languages
German, English, French
Speak two or more languages
100%
Based on our profile pool as of 30 Aug 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Germany are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows how many freelancers charge within that range.
Average rates of experts in Germany using Variable Frequency Drive
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
What it is
A variable frequency drive, often called a VFD, changes motor speed by changing the supply frequency and voltage. You also see the terms variable-speed drive and adjustable-frequency drive. It is used where motors need smoother control, lower wear and better process control.
Typical uses
- Pump and fan control in HVAC and utilities
- Conveyor and material handling systems
- Compressors, mixers and extruders
- Machine tools and production lines
Strong specialists know where speed control helps and where direct-on-line start is better. They match the drive to the motor, load profile and duty cycle.
Key skills
VFD work sits between power electronics, motor data and plant control. Experts read wiring diagrams, parameter lists, fault codes and communication settings. They also understand braking, overload protection, EMC, harmonics and safe isolation.
Ecosystem and brands
Common systems include ABB, Siemens SINAMICS, Danfoss, Schneider Electric Altivar, Rockwell PowerFlex and Mitsubishi drives. Work often touches PLCs, HMIs, fieldbus networks and motor starter panels. A good specialist keeps commissioning notes clean so later service is faster.
When companies bring in help
- A drive trips during start-up or under load
- A line needs energy savings through speed control
- Old fixed-speed motors must be retrofitted
- A plant needs parameter backup and standardization
In Germany, these projects often involve industrial plants, buildings, water treatment and logistics sites. Remote support can cover parameter review and diagnostics, while on-site work is still common for cabinet changes and commissioning.
What strong specialists deliver
They do more than replace hardware. They set limits, tune ramps, check motor compatibility and validate the full control loop. The best professionals leave systems stable, documented and easy to maintain, whether the task is a one-off fix or a full drive rollout.
Frequently asked questions
The facts hiring teams ask for most often when it comes to Variable Frequency Drive.
A strong Variable Frequency Drive controls motor speed and torque by adjusting the output frequency and voltage. That lets a plant run pumps, fans, conveyors or mixers more smoothly and with less mechanical stress. It is also useful when a process needs soft start, controlled stop or better energy use.
A VFD is the better choice when you need ongoing speed control, not just reduced starting current. A soft starter helps with start-up only, while direct-on-line start gives full speed immediately. If the process needs steady pressure, flow or conveyor control, the drive is usually the right tool.
In many projects, Variable Frequency Drive work involves ABB, Siemens SINAMICS, Danfoss, Schneider Electric Altivar, Rockwell PowerFlex or Mitsubishi systems. The exact brand matters less than whether the expert can read the parameters, wiring and communication setup correctly. A good freelancer adapts to the installed base quickly.
A good Variable Frequency Drive specialist usually understands motors, switchgear, PLCs, fieldbus networks and electrical safety. Knowledge of harmonics, EMC, braking resistors and cabinet layout is also valuable. In commissioning work, clean documentation and disciplined fault finding matter as much as configuration.
The right Variable Frequency Drive expert depends on the task. A basic replacement may only need someone who can match motor data, transfer parameters and verify rotation, while a plant retrofit needs deeper knowledge of protection, control logic and load behavior. Complex process lines benefit from a specialist who has already handled similar drives and controls.
Many Variable Frequency Drive tasks can start remotely if the expert has diagrams, photos, fault logs and parameter backups. Remote support works well for diagnosis, parameter review and commissioning guidance. On-site presence is usually needed for wiring changes, cabinet work, safety checks and final start-up.
Look for someone who asks about the motor plate, load type, cable length, protection devices and control signal scheme before proposing changes. A strong Variable Frequency Drive expert explains why a parameter change is needed and what it will affect. They also leave a clear handover with backups, settings and notes.
A Variable Frequency Drive project runs faster when the company shares wiring diagrams, drive model numbers, fault history, motor data and the control concept. Access to the cabinet, PLC details and a clear contact person also helps. If the site is in Germany, language expectations and on-site timing should be agreed early.
The average hourly rate of freelancers in Germany who have used Variable Frequency Drive in their recent projects is 92 €, which corresponds to a daily rate of about 738 € based on an 8-hour working day.
Of the freelancers in Germany who have used Variable Frequency Drive in their recent projects, 90% hold at least a Bachelor's degree, 80% hold at least a Master's degree, and 20% hold a doctorate.
On average, freelancers in Germany who have used Variable Frequency Drive in their recent projects have 20 years of professional experience, with a single engagement typically lasting around 4 years.
The most common languages among freelancers in Germany who have used Variable Frequency Drive in their recent projects are German (100%), English (100%), and French (29%).
The most common industries among freelancers in Germany who have used Variable Frequency Drive in their recent projects are Manufacturing (71%), Energy (64%), and Automotive (50%).
The most common business areas among freelancers in Germany who have used Variable Frequency Drive in their recent projects are Product Development (93%), Operations (71%), and Information Technology (64%).
Main locations of FRATCH Experts, who have recently used Variable Frequency Drive
Our freelancers and interim experts are at home across the DACH region — available on-site in the major business hubs or fully remote. Choose a location to discover matched specialists, local market insights and up-to-date availability.
Berlin Hamburg Munich Cologne Frankfurt Stuttgart Dusseldorf Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg Request a free demo
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Philipp Thomaschewski
FRATCH CEO
