Completion of the development of KONČAR Bushing Insulation Monitor - BIM,  that provides insight in bushing insulation condition while transformer is online. 
Many investigations show that bushing failure is one of the most common causes of transformer failure – causing severe damages also to other substation equipment. 


Notification of KONČAR – Electrical Engineering Institute by European Commission as Notified Body NB 2494 for 7 directives. 


New generation of power transformer monitoring system – KONČAR TMS – based on proprietary HW/SW platform.
Decades of experience in transformer research, development and on-site diagnostics as well as a field-proven industrial hardware platform are integrated in KONČAR TMS – a state-of-the-art monitoring and diagnostic system.


Completion of the development SCVP, a shaft current and voltage protection relay.

KONČAR Electrical machine black box - EMBB.
Electrical machine black box detects: asynchronous operation, incorrect synchronisation, significant asymmetry, two-phase operation, overloading, overheating, increased vibrations, run-out.  


Completion of HW/SW development for the safety device for railway-road crossings – KLC3, with the highest safety integrity level. 
The device has the safety integrity level 4 (SIL4) under EN 50126, EN 50128 and EN 50129. 


Testing of prototype of diesel-electric multiple train, for which the Institute has developed power converter for traction and auxiliary drives, and control and communication systems.


Celebrating 50 years of the Institute. 

Putting into operation the Institute’s  proprietary wind turbine control system.


Delivery of autonomous hybrid power supply system for telecom base stations (Hybrid Box) integrating solar energy, wind and hydrogen.  


Putting into operation HV switchgear bay monitoring system.


Completion of the Croatian version prototype of electric multiple train, for which the Institute has developed power converter for traction and auxiliary drives, and control and communication systems.


Accreditation of Certification Service – SCERT.


Putting into operation fuel cell cogeneration plant fuelled by natural gas.

OHSAS 18001:2007 certificate for the occupational health and safety management system.


Delivery of the first monitoring system for hydro power plant.


Delivery of the first power transformer monitoring system.

Delivery of the first low-floor tramway, for which the Institute has developed vital control and communication  systems and power converters for traction and auxiliary drives.


Putting into operation the first helium liquefying facility.

Commencement of accreditation of a series of Institute’s laboratories.


ISO 14001:1996 certificate for the environmental management system. 


Commencement of research in the field of renewable energy sources.

Statement of Independence of KONČAR – Electrical Engineering Institute.


The first accreditation certificate was issued to High-Voltage Laboratory.


Delivery of the first four-system converter for passenger cars. This innovation won “Zlatna kuna” Award  of the Croatian Chamber of the Economy.


Pommencement of the development of control system and auxiliary drive converters for thyristorisation of diode locomotives.

EN ISO 9001:1994 certificate for the quality management system.


Combined instrument transformer was developed in collaboration with KONČAR – Instrument Transformers. The solution was awarded the Annual State Award for Science.


Putting into operation the first excitation system based on the Institute’s proprietary HW/SW platform.


Based on the decision of the Managing Board of the holding KONČAR – Electrical Industry Inc. to found a new Institute, the company KONČAR – Electrical Engineering Institute Ltd. was registered in the register of companies. The company KONČAR – Electrical Engineering Institute Ltd. was also registered in the Register of Scientific Organisations of the Ministry of Science and Technology of the Republic of Croatia.

1961. - 1990.

A number of buildings and laboratories were built: Laboratory for Rotating Machines, expanded prototype shop on the ground floor, High Power Laboratory, High Voltage Laboratory. A new building was also built for the Institute (photo) with laboratories on the ground floor, and today in it there are premises for the Management, all the services and most departments of the Institute.
The Institute took part in numerous development projects of RADE KONČAR companies.

Experimental and development tests in the laboratories of Electrotechnical Institute in the 80-ies.

Numerous members of the Institute made a considerable contribution to the development of thyristor locomotive.



Mobile test station for transformer diagnostics from the 70-ies.


High Power Laboratory with the equipment for short-circuit tests at low voltage and high powers.

High Voltage Laboratory with test transformer.


Workers‘ Council made the decision to found the institution Electrotechnical Institute of RADE KONČAR Company.
Electrotechnical Institute of RADE KONČAR Company was also registered in the Register of Scientific Institutions of the Council for Scientific Work of the People’s Republic of Croatia.