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VONSCH has been developing and manufacturing power electronics technology solutions since 1990

We specialize in the development and production of technologies for control and optimization of electric drives, power generation and voltage regulation.

Custom power electronics solutions

Since 1990, we have been offering solutions for the efficient control of AC motors, Small Hydropower Plants, Battery Inverters, Photovoltaic Systems and Traction Drives. In addition, the company provides custom voltage sources such as artificial grids for different frequencies and amplitudes, tailored to specific customer needs.

3.9

m

annual turnover for 2023

34

+

years of existence

25

Staff

What is important to us

Experience and reliability

We are a Slovak company with more than 30 years of experience in the field of industrial and power electronics. Our solutions bring innovation and reliability to customers at home and abroad.

Passion for progressive technologies

Our work is our mission. We are fans of modern and progressive technologies that enable us to deliver revolutionary solutions in the electronics and energy industries.

Tailor-made solutions

Not all technical problems have universal solutions. We focus on individual approaches that are efficient, high quality and meaningful. Our experts look for the best options even where others don’t find a solution.

Trust and open communication

We believe in the power of open communication. Our priority is to treat our employees and partners fairly. Only through mutual trust can we grow together and create successful projects.

Strong and flexible team of experts

We are building a small but strong team of enthusiasts who specialize in progressive technologies. Thanks to our flexibility and high expertise, we can respond quickly to our customers’ needs, even for smaller projects.

Innovating for a better energy future

We are here to contribute to improving life in our city, region and the world. Together with our customers and partners, we are changing the way we generate, distribute and consume electricity.

A quick summary of our 30-year history

1990

the creation of VONSCH
the company’s only assets – 13 patents in the field of electric drives

1994-1995

INTERRÁCIO Nitra – main prices for VS frequency converters with IGBT

1996

building your own company headquarters
new SIFREM frequency converters
drive solution in the first Slovak electric car
CONECO – RACIOENERGIA Bratislava – Honorable mention

1997

MSV Nitra Main Prize

1998

International trade mark registration
ELOSYS Trenčín – Electrotechnical Product of the Year
first agency agreement in the Czech Republic

1999

ISO 9001 certification
first turnkey deliveries of investment units with VONSCH Electric Drives

2000

vector frequency converters VQFREM
first inverters above 500 kW deployed
CONECO – RACIOENERGIA Bratislava – golden plaque

2001

ELOSYS Trenčín – Constructor of the Year
ELOSYS Trenčín – Electrotechnical Product of the Year 2001
first complex contract over 40 000 000
first inverters above 800 kW deployed

2002

Profibus certificate

2003

MSV Nitra – EMA Main Prize

2004

representation – SERBIA
the first inverters in America – in Cuba, controlled via Ethernet

2005

first 1200 kW inverter deployed
the first inverters on the African continent – Ethiopia
Novosadski sajam SERBIA 2005 gold medal, design award

2006

development grant APVT – Active filter controlled rectifier
mining locomotive propulsion solutions for Ukraine
drive solution for wind power plant control

2007

ELOSYS – QUATROFREM – Unique of the Year 2007
technical and commercial representation for the Czech Republic

2008

UNIFREM – unique frequency converter of the latest generation

2009

LOCO Control – comprehensive electrical equipment solution for control of mining locomotives
MVE Control – equipment for control of Small Hydropower Plants
PHOTO Control – inverter for photovoltaic power plants (PV system)

2010

WIND CONTROL – equipment for controlling wind power plants
Complex deliveries of power electronics and monitoring of PV power plants – 6,5 MW
ELOSYS Trenčín – Electrotechnical Product of the Year 2010

2011

Peak Power Generator (GSE)
Island operation for renewable energy systems
Completion of the company headquarters

2012

unique vector control of inverters
control for new models of mining locomotives

2013

PV power factor compensation
PHOTO CONTROL 1f – on-grid, off-grid and hybrid solar systems

2014

drives for mine locomotive

2015

Fuel Save Photovoltaic Systems
UNIFREM inverter improvements, position (servo) control, setup guide
new inverter GSE CONTROL for controlling the energy flow in the building
2 new utility models

2016

development and production of the largest special frequency converter – UNIFREM 720 1400

2017

Innovative PV fuel save solutions for Africa and the Middle East

2018

energy storage – research

2019

development in the field of energy storage, BMS for Li-ion batteries

2020

own servo system solution, used for a major Slovak paper machine remanufacturing company

2022

successful generational change of company owners
optimization of FOTO CONTROL 3f products on PV COMP
optimization of GSE CONTROL products on GSE COMP

2023

new photovoltaic and battery inverter NEXICONTROL
development of a new power DC-DC converter NEXIBOOST, for mining locomotive solutions

2024

production of power electronics for hybrid trolleybattery locomotives to Australia
Start of development of the new generation of NEXIFREM frequency converters

Our vision of the future

Respect for energy and people

Our vision is to build a unique company culture that respects electricity in all its aspects – from production to consumption. At the same time, we emphasize respect for people, partners and the environment.

Environment for innovative products

We want to create a strong local environment where the conditions for the emergence of proprietary technologies will foster a close link between experts and technical solutions in the field of power electronics.

Minimal environmental impact

Our priority is to reduce our ecological footprint to a minimum. We operate our entire company according to the principles of sustainability and eco-friendliness in order to protect our planet for future generations.

People as the basis for success

We are aware that the foundation of our company culture is quality and dedicated people. That’s why we place great emphasis on their education, the development of technical, computer and soft skills, and encourage a healthy lifestyle and exercise.

Cooperation with educational institutions

At VONSCH, we want to be an important regional partner in the education of future electrical engineering professionals. We focus on active cooperation with local schools and universities to help develop new talent.

Financial stability for growth and innovation

Making a profit is important to us because it enables us to achieve our strategic goals. We maintain a high level of expertise among our employees and continue to invest in innovation.

Easier transition to renewables

We develop our own VONSCH technologies and provide comprehensive support for our products and solutions. Our philosophy and services help customers to switch to renewable energy more easily.

Small Hydropower Plants

Are you interested?

See the results of our work

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