Variable Frequency Drive Experts in Germany
for efficient motor control, matched in minutesHire experts who configure VFDs, commission inverter-driven motor systems and integrate drives with PLC, SCADA and industrial networks. FRATCH matches you quickly with vetted, available freelancers who fit your technical needs.
Meet FRATCH Experts in Germany, who have recently used Variable Frequency Drive
Hendrik W.
Last position:
Software Test and Maintenance Support at Anton Paar ProveTec GmbH
- Adding/creating test specifications
- Performing regression tests
- Performing release tests
- Analyzing Jira tickets
- Identifying software defects and fixing them with C#
Vaibhav G.
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
Bernd S.
Last position:
Founder at 3appy UG
- Consulting as Product Owner, Project Management, SCRUM Master, and Agile Coaching
Nils-Simon R.
Last position:
Independent Consultant | Trainer | Coach at LeanPlus
- Designing and implementing Lean projects in mid-sized companies and large corporations
Vlad P.
Last position:
Senior Electrical Engineer at BHS Intralogistics GmbH
Sizing of electric drive systems for automated transport systems (AMR/AGV)
Selection and validation of electrical and mechatronic components (BLDC motors & controllers, sensors, batteries) considering system requirements and operating conditions
Integration of electric drive systems into automated transport systems (AMR/AGV) and ensuring functionality
Analysis and correction of malfunctions in existing electrical systems
Design of low-voltage networks (ELV) and implementation of relevant norms and standards (IEC, DIN)
iShuttle 5.0: Optimization of the drive system of an autonomous transport shuttle with a lifting capacity of up to 4.4 tons
iShuttle 6.0: Selection and integration of a drive system for an autonomous transport shuttle with a lifting capacity of up to 5.5 tons
Ali D.
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.
Jean Erge E.
Last position:
Engineer - Automation Technology at Ravensburg Milchwerke GmbH
- Plan and design complex production facilities as part of a team
- Prepare and modify electrical circuit diagrams
- Design electrical machine controls and drive technology
- Analyze faults in electronic assemblies
- Create PLC and visualization software as well as process control software
- Identify and implement optimization measures
- Prepare operating instructions
- Ensure IT security for the entire operational technology
- Support building technology
- Technologies: Eplan P8, PCS7, ProLeiT, PlantiT, TIA, S7
Arianna P.
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
Josu E.
Last position:
Managing Director Germany / Country Manager at Greening Solar GmbH & GEG Greening Energy Generation GmbH
- Responsible for sales, customers, organization, and business development in Germany
- Managing over 40 employees in Germany and Spain
- Steering large-scale EPC projects (PV and BESS plants)
- Building a project portfolio (PV, wind, BESS, hybrid) with a target of 400 MW RtB by 2030
- Revenue and earnings responsibility: approx. €25 million (2025) and approx. €50 million (2030)
- Leading interdisciplinary and multicultural teams in technically and regulatory challenging projects
Izet B.
Last position:
Field Service Technician at Fibronet GmbH
- Installation of fiber-optic distribution (network level 4) in accordance with planning documents in apartment buildings
- Laying, assembly and installation of fiber-optic cables
- Assembly of racks/cabinets, patch panels and multimedia sockets
- Assembly and splicing of optical fibers in splice distribution boxes, as well as building and apartment connections
- Installation of internet and TV connections at customers’ premises
- Operation and maintenance of fiber-optic blowing equipment
- Use of IT systems for order planning, processing, documentation and appointment tracking
- Processing and transmission of information and data in compliance with data protection regulations
Leonardo H.
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.
Suleman H.
Last position:
Software Developer at Smiths Detection Germany
- Software development in C++ with FreeRTOS as a real-time OS for controlling an x-ray scanner
- Hardware schematic review
- Define software architecture in the team
- Write test scripts in Bash and Python to check the interaction between the IO controller (NXP ARM-based MCU) and the system controller (Intel MCU)
- Use lightweight IP libraries to configure the Ethernet interface and create UDP and TCP sockets on the IO controller
- Use Wireshark and tcpdump for debugging
Alexander R.
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
Ulrich E.
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
Muhammad H.
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
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
2.6 years
Positions per freelancer
11
Top business areas
Product Development, Project Management, Operations
Top industries
Manufacturing, Energy, Automotive
Certification focus areas
Operations, Quality Assurance, Product Development
Bachelor's degree or higher
93%
Master's degree or higher
71%
Doctorate
21%
Certifications per freelancer
3
Most common languages
German, English, French
Speak two or more languages
100%
Based on our profile pool as of 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Germany are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows the share of experts charging 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 29 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Variable Frequency Drive experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Manufacturing (88%)
- Energy (65%)
- Automotive (47%)
- Aerospace and Defense (29%)
- Construction (29%)
- Food and Beverage (24%)
- Healthcare (24%)
- Professional Services (24%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Motor control
A Variable Frequency Drive, commonly called a VFD, variable speed drive or inverter, controls an electric motor by adjusting its frequency and voltage. This enables controlled acceleration, deceleration and speed regulation instead of running a motor at one fixed speed. VFD systems are used with pumps, fans, conveyors, compressors, mixers and production machinery.
Core applications
VFD projects often focus on reducing mechanical stress, improving process control and adapting motor output to changing demand. Specialists select and configure the drive for the motor, load profile and operating environment.
- Pump and fan speed control
- Conveyor and material-handling systems
- HVAC and building services equipment
- Process lines, compressors and packaging machinery
- Energy and performance optimization
Ecosystem and tooling
A drive project can involve Siemens SINAMICS, ABB drives, Danfoss VLT, Schneider Electric Altivar, Rockwell Automation PowerFlex or other industrial product families. Work may include parameterization software, motor data, braking units, EMC measures and safe torque off. Integration commonly uses PLCs, HMIs, SCADA systems and networks such as PROFINET, PROFIBUS, EtherNet/IP or Modbus.
When specialists help
Companies bring in freelance expertise when a new machine needs commissioning, an existing installation requires troubleshooting or a plant is upgrading its automation stack. Strong support is also valuable when drive faults are intermittent, motor behavior is unstable or documentation is incomplete. In Germany, projects may combine remote parameter reviews with on-site commissioning at factories, warehouses or infrastructure sites.
- Drive selection and sizing
- Commissioning and parameter tuning
- Fault diagnosis and root-cause analysis
- PLC and fieldbus integration
- Retrofit planning and technical documentation
Safety and reliability
Good professionals assess the complete motor and load system, not only the drive model. They understand overload behavior, harmonics, shielding, grounding, braking, thermal limits and functional safety. They validate acceleration ramps, protective functions and emergency-stop behavior, then record settings so the installation can be maintained safely.
Choosing the right expert
Look for professionals who can explain why a drive was selected and show evidence of commissioning comparable equipment. Relevant experience may span industrial automation, electrical design, motor technology and machine safety. Ask how they test under load, document parameters and coordinate with electricians, PLC specialists and site teams. Clear communication in German or English can be important when remote preparation leads to on-site work in Germany.
Frequently asked questions
The facts hiring teams ask for most often when it comes to Variable Frequency Drive.
A Variable Frequency Drive controls the speed and torque of an AC motor by changing its output frequency and voltage. Companies use VFDs for pumps, fans, conveyors, compressors and process machinery where controlled motion, smoother starting or lower energy use is important.
A VFD provides continuous speed and torque control, while a soft starter mainly limits starting current and mechanical shock. Direct-on-line starting is simpler but applies full line voltage immediately, so it offers less control over acceleration and operating speed.
A Variable Frequency Drive specialist should understand motor sizing, electrical protection, PLC programming, industrial networks and commissioning. Knowledge of Siemens SINAMICS, ABB drives, Danfoss VLT or comparable product families can help, but the ability to diagnose the complete system matters more than one brand.
A VFD professional should have handled equipment with a similar motor type, load profile and safety context. New installations may require drive selection, wiring review and commissioning, while troubleshooting assignments call for proven fault diagnosis and experience interpreting alarms, measurements and operating data.
Much of a Variable Frequency Drive project can be prepared remotely, including parameter reviews, PLC logic checks, network configuration and documentation. Physical wiring, measurements, motor tests and final commissioning usually require an on-site visit, especially in German manufacturing or infrastructure facilities.
Ask a VFD freelancer about comparable machines, drive brands, commissioning methods and safety procedures. Confirm whether they can collaborate in German or English and whether they are available for site work as well as remote preparation. Their documentation approach is also a useful quality signal.
A Variable Frequency Drive installation should be tested across the real operating range, including acceleration, deceleration, load response and fault recovery. Quality work includes correct motor data, documented parameters, verified protective functions, suitable EMC practices and clear handover records.
A VFD transfers well across industries because the same principles of motor control, protection, communication and commissioning appear in manufacturing, building services, logistics, water treatment and energy systems. Freelancers often apply this knowledge to retrofit projects, machine builds and urgent troubleshooting assignments.
The average hourly rate of freelancers in Germany who have used Variable Frequency Drive in their recent projects is 88 €, which corresponds to a daily rate of about 707 € based on an 8-hour working day.
Of the freelancers in Germany who have used Variable Frequency Drive in their recent projects, 93% hold at least a Bachelor's degree, 71% hold at least a Master's degree, and 21% 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 2.6 years.
The most common languages among freelancers in Germany who have used Variable Frequency Drive in their recent projects are German (100%), English (94%), and French (29%).
The most common industries among freelancers in Germany who have used Variable Frequency Drive in their recent projects are Manufacturing (88%), Energy (65%), and Automotive (47%).
The most common business areas among freelancers in Germany who have used Variable Frequency Drive in their recent projects are Product Development (82%), Project Management (76%), and Operations (71%).
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
Get in touch with the FRATCH team and we will get back to you within 4 hours.
Would you rather directly get in touch?
We always have the time for a call or email!
Philipp Thomaschewski
FRATCH CEO
