KONČAR – Instrument transformers Inc. Zagreb, Croatia

KONČAR-Electrical Industry Inc. Basic Information: 1921 Founded as ELEKTRA Inc., Zagreb 1921 Becomes Siemens Inc. 1946 Renamed to RADE KONČAR since 1991 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% 2

KONČAR - Electrical Industry Inc. DEVELOPMENT AND SERVICES ENERGY AND TRANSPORT INDUSTRY AND TRADE DEVELOPMENT AND SERVICES COMPANIES ABROAD POWER PLANT AND EL. TRACTION ENGINEERING HOUSEHOLD APPLIANCES INSTITUTE FOR ELECTRICAL ENGINEERING SWITZERLAND GENERATORS AND MOTORS CATERING EQUIPMENT INFRASTRUCTURE AND SERVICES HIGH VOLTAGE SWITCHGEAR TOOLS REPRESENTATIVE OFFICES MEDIUM VOLTAGE APPARATUS SMALL ELECTRICAL MACHINES RUSSIAN FEDERATION SWITCHGEAR LOW VOLTAGE SWITCHGEAR AND CIRCUIT BREAKERS BOSNIA AND HERZEGOVINA DISTRIBUTION AND SPECIAL TRANSFORMERS SERBIA AFFILIATED COMPANY INSTRUMENT TRANSFORMERS ELECTRONICS AND INFORMATICS POWER TRANSFORMERS METAL STRUCTURES ELECTRIC VEHICLES ENG. FOR PLANT INSTALLATION & COMMISSIONIG 3

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

KONČAR-Instrument transformers Inc.

KONČAR-Instrument transformers Inc. COMPANY PROFILE: Quality assurance system: Total area: 26.530 m2 Factory area: 9.870 m2 Number of employees: 242 Average employee age: 41 years Average working experience: 19 years ISO 9001 ISO 14001 OHSAS 18001

KONČAR-Instrument transformers Inc. TOTAL SALES

KONČAR-Instrument transformers Inc. TOTAL SALES - 1991 ONWARDS

KONČAR-Instrument transformers Inc. EXPORT MARKETS: Estonia 1,68% Bulgaria 2,07% Poland 14,74% Hungary 5,00% Russia 15,23% Canada 1,94% Slovenia 4,04% Serbia 5,20% B&H 1,57% Albania 2,44% Others 23,43% Greece 2,73% Nigeria 1,55% India 2,38% Australia 13,00% Main markets from 2009 to 2013 9

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

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

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

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

Production Program – Current Transformer - Type AGU up to Um = 800 kV 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 kV 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 kV 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 kV 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 kV 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 kV Main Features: Rated output up to 100 kVA Station Service Transformer directly connected to HV system Ferroresonance immune Explosion safe design Partial discharge free on power-frequency withstand voltage

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

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

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

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

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

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 62, 379 52 61 fax: (+385 1) 379 40 40 e-mail: info@koncar-mjt.hr web: www.koncar-mjt.hr