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THE OKONITE COMPANY. Okoguard Insulated Power Cable 1968--PRESENT. OKOGUARD ALL EPR SYSTEM 40+ YRS SERVICE ENGINEERED SUCCESS. PRODUCT ATTRIBUTES. IN HOUSE DEVELOPMENT ALL EPR INSULATION SYSTEM COMPOUND FORMULA COMPOUND MIXING FACILITY FACTORY PROCESSING EQUIPMENT.
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THE OKONITE COMPANY Okoguard Insulated Power Cable 1968--PRESENT
OKOGUARD ALL EPR SYSTEM 40+ YRS SERVICE ENGINEERED SUCCESS
PRODUCT ATTRIBUTES • IN HOUSE DEVELOPMENT • ALL EPR INSULATION SYSTEM • COMPOUND FORMULA • COMPOUND MIXING FACILITY • FACTORY PROCESSING EQUIPMENT
THE OKOGUARD STORY DESIGN OBJECTIVES FORMULA MIXING FACILITY MANUFACTURING PROCESSES TESTING APPLICATIONS SYSTEM CONCEPT
OKOGUARD EPR SYSTEM Okoguard EPR EPR S/C Strand Screen EPR S/C Insul Screen
THE OKOGUARD STORY DESIGN OBJECTIVE SYSTEM CONCEPT
Design Objectives • Electrical Stability • In House Compounding • Process Capability • 5kv thru 69kV • All Applications
XLP IS UNSTABLE EPR IS STABLE
THE OKOGUARD STORY FORMULA SYSTEM CONCEPT
THE OKOGUARD STORY MIXING FACILITY SYSTEM CONCEPT
COMPOUND MIXING FACILITY Orangeburg South Carolina 1993 93,000 Square Feet 50 Million Pounds/Yr
Site: 102 Acres Manufacturing Space: 83,000 sq.ft. ORANGEBURG, S.C. COMPOUND FACILITY.
THE OKOGUARD STORY MANUFACTURING PROCESSES SYSTEM CONCEPT
Manufacturing Processes • Triple Tandem Extrusion • Plant Capability • Orangeburg South Carolina • Richmond Kentucky • Santa Maria California
INDUSTRY HISTORY • Thermoplastic tree retardant insulation • Vertical Extruders • Continuous Pellet examination • Elimination of routine production tests; • DC withstand test • Filled Strand • True triple extrusion • Water blocked concentric neutrals • New tree retardant compounds • NO POSITIVE IMPACTS
THE OKOGUARD STORY TESTING SYSTEM CONCEPT
TESTING CANDIDATE INSULATION QUALIFICATION ROUTINE PRODUCTION 3rd PARTY CERTIFICATION FULL SIZE CABLE TESTING
MANUFACTURING PROCESSES • CV CONFIGURATION • TRIPLE TANDEM EXTRUSION
TESTING • QUALIFICATION MATERIALS LAB HV LAB
HV Lab QUALIFICATION per Industry stds. ( AEIC CS 6 – 96 now ICEA S 94-649 )
TESTING • ROUTINE PRODUCTION • AC WITHSTAND • CORONA • INSULATION RESISTANCE • DC RESISTANCE • PHYSICAL CHARACTERISTICS
CORONA TESTING Stress as a Percent of Rated Voltage to Ground 150%200%250%300%400% 1973 5 30 55 80 80 1975 5 20 35 50 - 1982 5 20 35 50 - 1983 Okonite established internal “flat line” requirement 1987 5 5 5 5 10 1996-Present 5 5 5 5 5
THE OKOGUARD STORY APPLICATIONS SYSTEM CONCEPT
APPLICATIONS • UTILITY • INDUSTRIAL • NUCLEAR • MEDICAL X-RAY • SUBMARINE • MASS TRANSITS • RAILROADS
BASIC COMPONENTS CONDUCTOR STRAND SCREEN INSULATION INSULATION SCREEN METALLIC SHIELD JACKET
OKOGUARD • THE STANDARD • ENGINEERED SUCCESS • 40+ YR IN-SERVICE RECORD