KONAR Instrument transformers Inc Zagreb Croatia KONARElectrical Industry

KONČAR – Instrument transformers Inc. Zagreb, Croatia

KONČAR-Electrical Industry Inc. Basic Information: § § 1921 1946 since 1991 Founded as ELEKTRA Inc. , Zagreb Becomes Siemens Inc. Renamed to RADE KONČAR – Electrical Industry Inc. Present: § § § Concern 19 daughter companies and 1 affiliated company Companies and representative offices abroad: Switzerland, Bosnia and Hercegovina, the Russian Federation and Serbia 4000 employees Sales revenue: EURO 350 mill Export: 45%

KONČAR - Electrical Industry Inc. ENERGY AND TRANSPORT INDUSTRY AND TRADE DEVELOPMENT AND SERVICES POWER PLANT AND EL. TRACTION ENGINEERING HOUSEHOLD APPLIANCES INSTITUTE FOR ELECTRICAL ENGINEERING GENERATORS AND MOTORS CATERING EQUIPMENT INFRASTRUCTURE AND SERVICES HIGH VOLTAGE SWITCHGEAR TOOLS MEDIUM VOLTAGE APPARATUS SMALL ELECTRICAL MACHINES SWITCHGEAR LOW VOLTAGE SWITCHGEAR AND CIRCUIT BREAKERS ELECTRONICS AND INFORMATICS METAL STRUCTURES ELECTRIC VEHICLES ENG. FOR PLANT INSTALLATION & COMMISSIONIG SWITZERLAND REPRESENTATIVE OFFICES RUSSIAN FEDERATION BOSNIA AND HERZEGOVINA DISTRIBUTION AND SPECIAL TRANSFORMERS INSTRUMENT TRANSFORMERS COMPANIES ABROAD AFFILIATED COMPANY POWER TRANSFORMERS SERBIA

KONČAR-Instrument transformers Inc. COMPANY HISTORY: Production of oil immersed instrument transformers up to Um = 38 k. V 245 k. V transformers 1952 1947 420 k. V transformers 1965 1962 123 k. V transformers 2003 1991 1973 Epoxy resin insulated transformers Production in joint -venture company in China Combined transformers 1992 Reorganization and registration under present name 2010 2006 500 k. V & 750 k. V transformers 800 k. V transformers

KONČAR-Instrument transformers Inc.

KONČAR-Instrument transformers Inc. COMPANY PROFILE: § Total area: 26. 530 m 2 Factory area: 9. 870 m 2 Number of employees: 245 Average employee age: 40 years Average working experience: 17 years Quality assurance system: ISO 9001 ISO 14001 OHSAS 18001

KONČAR-Instrument transformers Inc. TOTAL SALES Export Domestic market 30 20 15 10 5 11 20 10 20 09 20 08 20 07 20 06 20 05 20 04 20 03 20 02 0 20 mil. € 25

KONČAR-Instrument transformers Inc. TOTAL SALES - 1991 ONWARDS 30 25 mil. € 20 15 10 5 0 1993 1996 1999 2002 2005 2008 2011

KONČAR-Instrument transformers Inc. EXPORT MARKETS: Bulgaria 9, 91% Poland 13, 94% Hungary 8, 84% Russia 6, 68% Slovenia 5, 53% Serbia 6, 98% B&H 1, 52% Kosovo 1, 58% Albania 3, 27% Macedonia 2, 25% Others 16, 22% Greece 4, 67% Nigeria 1, 83% India 2, 04% Australia 14, 74% Main markets from 2006 to 2011

Research & Development Original design and ideas Cooperation: Experience ( > 60 yrs. ) R&D Research process within the factory - Končar Institute - Zagreb University

Test Laboratories 1. HIGH VOLTAGE TEST LABORATORY • • Tests with AC voltage up to 1200 k. V Completely shielded in Faraday cage Suitable for all routine tests Suitable for AC voltage type tests EN ISO/IEC 17025 2. MEDIUM VOLTAGE TEST LABORATORY • Tests with AC voltage up to 100 k. V • HV chamber shielded in Faraday cage • Suitable for all routine and AC voltage type tests 3. LABORATORIES IN KONČAR – Electrical Engineering Institute Inc. 4. HV TEST LABORATORY IN KONČAR – Power Transformers Ltd.

Production Program 1. High Voltage Paper-oil Insulated Instrument Transformers 2. Medium Voltage Instrument Transformers 3. Special Transformers 4. Other Products

Production Program 1. High Voltage Paper-oil Insulated Instrument Transformers • • • Current Transformer - Type AGU Inuctive Voltage Transformer - Type VPU 2. Medium Voltage Instrument Transformers Capacitor Voltage Transformer - Type VCU Combined Instrument Transformer - Type VAU 3. Special Transformers Inductive Power Voltage Transformer - Type VPT Capacitor Voltage Divider / Coupling Capacitor - Type CCU 4. Other Products

Production Program – Current Transformer - Type AGU up to Um = 800 k. V Main Features: • • Minimum oil design Hermetically sealed Tailor made design with no specification limitations Partial discharge free on power-frequency withstand voltage

Production Program – Inductive Voltage Transformer - Type VPU up to Um = 550 k. V Main Features: • Unique open core design • • Ferroresonance immune Explosion safe design Hermetically sealed Partial discharge free on power-frequency withstand voltage

Production Program – Capacitor Voltage Transformer - Type VCU up to Um = 800 k. V Main Features: • Modern capacitor insulation technology – mixed dielectric with synthetic impregnating liquid • Renowned capacitor manufacturer - Iskra • HF communication ready • Hermetically sealed • High quality and operation safety

Production Program – Combined Instrument Transformer - Type VAU up to Um = 550 k. V Main Features: • • • Original design Single insulation system Hermetically sealed Open core advantages Ferroresonance immune Explosion safe design

Production Program – Coupling Capacitor & Capacitor Voltage Divider – Type CCU up to Um = 800 k. V Application: • Capacitor Voltage Divider – power quality measurement • Coupling Capacitor – HF communication Main Features: • Mixed dielectric • Resonant frequency > 1, 5 MHz • Capable of meeting accuracy and burden requirements • Partial discharge free on power-frequency withstand voltage

Production Program – Power Voltage Transformer - Type VPT up to Um = 550 k. V Main Features: • Rated output up to 100 k. VA • Station Service Transformer directly connected to HV system • Ferroresonance immune • Explosion safe design • Partial discharge free on power-frequency withstand voltage

Production program 1. High Voltage Paper-oil Insulated Instrument Transformers 2. Medium Voltage Instrument Transformers • Paper-oil Insulated Instrument Transformers • Epoxy Resin Insulated 3. Instrument Transformers Special Transformers • Three-phase Combined Instrument Transformers 4. Other Products

Production Program – Medium Voltage Instrument Transformers Insulation Paper – oil up to Um = 52 k. V Epoxy Resin up to Um = 40, 5 k. V • Current Transformer Type AGU • Voltage Transformer Type VKU Three – phase Combined Transformer up to Um = 38 k. V • Current Transformer for indoor and outdoor use • MV Transformer Type VAH for outdoor use • Voltage Transformer for indoor and outdoor use • 3 voltage & 3 current transformers in mutual housing filled with transformer oil

Production Program 1. High Voltage Paper-oil Insulated Instrument Transformers 2. Medium Voltage Instrument Transformers 3. Special Transformers • Test Transformers – High Voltage and Current Sources • Precise Instrument Transformers 4. Other Products • HV Compensating Reactor – Type VNP

Production Program – Special Transformers Precise Instrument Transformers Test Transformers • Current Source • • High Voltage Source • Precise Current Transformer Precise Voltage Transformer High Voltage Compensating Reactor – Type VNP • • capacitive burden compensation original core and insulation system design

Production Program 1. High Voltage Paper-oil Insulated Instrument Transformers 2. Medium Voltage Instrument Transformers 3. Special Transformers 4. Other Products • Current Transformers for Transformer Bushings • High Voltage Instrument Transformers for Gas Insulated Substations (GIS) – up to Um = 145 k. V • Low Voltage Epoxy Resin Insulated Instrument Transformers – up to Um = 0, 72 k. V

Know - How IRAN – two technology transfers • Medium Voltage Epoxy Resin Instrument Transformers • Capacitor Voltage Transformers CHINA – Joint Venture Company TBEA Končar (Shenyang) Instrument transformers Co. , Ltd. • High Voltage Instrument Transformers

Contact • mail: KONČAR – INSTRUMENT TRANSFORMERS INC. Josipa Mokrovića 10 HR-10090 ZAGREB CROATIA • phone: (+385 1) 379 41 12, 379 52 61 • fax: (+385 1) 379 40 40 • e-mail: info@koncar-mjt. hr • web: www. koncar-mjt. hr