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Power Cable Catalogue

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Power Cable Catalogue 2012 EDITION Nexans Olex New Zealand Nexans Olex New Zealand Power Cable Catalogue Power Cable Catalogue Power www.olex.co.nz HEAD OFFICE AUCKLAND BRANCH CHRISTCHURCH BRANCH 69 Paraite Road 105 Hugo Johnston Drive 35 Phillips Street Bell Block Penrose Linwood New Plymouth Auckland 1061 Christchurch EDITION 2012 New Zealand New Zealand New Zealand PHONE 0800 OLEX NZ EMAIL [email protected] CATALOGUE CONTENTS CATALOGUE Nexans Olex New Zealand Power Cable Catalogue Table of Contents TABLE OF CONTENTS PAGE Section One - Introduction 1 Company Profile 2 Technical Service and Support 3 Quality Assurance 4 Section Two - General Technical Information 1 Installation Information 2 Installation Methods 4 Single Core Cables in Parallel 7 Rating Factors 8 Bending Radii and Duct Sizes 10 Pulling Tension 11 Short Circuit Ratings 12 Conductor Short Circuit Ratings 13 Conductor Max DC Resistances 14 Conductor Dimensions 15 Wire and Cable Size Comparison 16 Notes 18 Section Three – Low Voltage Cables 1 Notes 3 Explanatory Information - Construction 4 - Current Ratings 5 - Rating Factors 6 - Voltage Drops 8 - Selection Procedures 10 -Minimum Copper Earthing Conductor Size 11 Product Sheets (See Section Three Contents Page 1 for Product Sheets Listing) 12 Tabulated Electrical Data - Current Ratings 76 - Voltage Drops 92 - AC Resistances 94 - Reactances 96 - Volt Drop Graphs 98 Table of Contents TABLE OF CONTENTS (CONT.) PAGE Section Four – Medium Voltage TR-XLPE Cables 1 Explanatory Information - Construction 2 - Screen Designs 4 - Testing 5 - Test Voltage Levels 6 - Installation Tests 7 -Current Ratings 9 - Rating Factors 10 Product Sheets (See Section Four Contents Page 1 for Product Sheets Listing) 12 Notes 56 Section Five – Aerials 1 Explanatory Information - Thermal Characteristics 2 - Electrical Characteristics 4 - Physical and Mechanical Characteristics 5 - Bare Overhead Conductors 7 Product Sheets (See Section Five Contents Page 1 for Product Sheets Listing) 8 Notes 22 INTRODUCTION Introduction Section One SECTION ONE - INTRODUCTION PAGE Company Profile 2 Technical Service and Support 3 Quality Assurance 4 Section 1, Page 1 Section One Introduction COMPANY PROFILE Power cables have been manufactured and tested at the Nexans Olex Bell Block factory on the outskirts of New Plymouth for more than 40 years. Established in 1967 as a joint venture between Tolley and Son and Canada Wire and Cable Company of Toronto, it was known as Canzac until 1984 when it was purchased by the Pacific Dunlop Group, one of Australia's largest international companies, and became part of the Pacific Dunlop Cables Group. In 1999 Olex Cables (New Zealand), together with other Pacific Dunlop Cables Group businesses, was bought by a Management Buyout Consortium (MBO), and then was known as Olex New Zealand Limited, a Subsidiary of Olex Holdings Pty Limited. It was in 2006 that the MBO consortium sold its shares in Olex Holdings to Nexans. The acquisition by Nexans became effective in December 2006. Nexans Olex is a world leader in cable technology and production and has manufacturing facilities in New Plymouth and Melbourne. Each site has been designed to efficiently manufacture specific product groups to cater for the needs of the industry. With over 40 years experience behind it, Nexans Olex employs more than 1500 people and has the financial backing, the expertise and the commitment to maintain and expand its position as a world leader in cable technology, manufacturing and installation. At its New Plymouth factory, Nexans Olex produces a wide range of electrical power cables, ranging from building wires and control cables to power cables with rated voltages up to 35 kV. Complementing this range is a wide selection of power and data/communications cables manufactured by other Nexans factories around the world. Nexans Olex has proven its expertise and commitment to quality and service in fulfilling contracts in many New Zealand and international markets. The company has a strong commitment to further growth and expansion internationally. With this background, Nexans Olex is well placed to retain its leading role in terms of customer service, quality and research. Section 1, Page 2 Introduction Section One TECHNICAL SERVICE AND SUPPORT Nexans Olex’s extensive technical resources mean that a cable can be designed to meet the exact needs of a customer. The standard range of cables may contain a cable that will do the required job, but Nexans Olex's commitment is to ensure that a cable's capabilities meet the precise requirements of the installation. This may mean that a standard cable needs to be modified for optimum performance or have a new feature added - this is a normal part of the Nexans Olex service. Nexans Olex's technical support does not finish with the successful design and production of the cable. In addition, a comprehensive cable advisory service is also offered. Technical staff are available to assist in providing expert solutions to all types of cable problems and inquiries. Section 1, Page 3 Section One Introduction QUALITY ASSURANCE For Nexans Olex, quality means the ability to satisfy the needs of its customers, its employees and the proprietors. Accordingly, Nexans Olex recognises the nature of these relationships and has linked these three essential needs together to form a policy cornerstone. Quality is important as its inherent cost effectiveness contributes to the competitiveness of the company's products and services, and to profitability and growth. The contribution of every member of the Nexans Olex team to the quality of products, to customer service and the company is essential to the goal of excellence through quality. Nexans Olex has developed and implemented Quality Management using the AS/NZS/ISO 9001 standard as the model for quality assurance and the criteria for third party accreditation through Bureau Veritas Certification. There is flexibility to merge additional customer requirements into the routine Quality Verification Plans. Whilst each company within Nexans is individually responsible for the quality of its own cable products and services, each has achieved third party accreditation to at least the ISO 9001 level. This parity in quality management provides Nexans Olex with the flexibility to access the entire product ranges of all companies within Nexans without compromising its own quality management standards Nexans Olex offers only brand name accessory products from suppliers with a history of product quality and service. When required, details of the suppliers' quality systems and any third party accreditation to recognised Quality Assurance Standards can be supplied. Section 1, Page 4 GENERAL TECHNICAL INFORMATION General Technical Information Section Two SECTION TWO - GENERAL TECHNICAL INFORMATION PAGE Installation Information 2 Installation Methods 4 Single Core Cables in Parallel 7 Rating Factors 8 Bending Radii and Duct Sizes 10 Pulling Tension 11 Short Circuit Ratings 12 Conductor Short Circuit Ratings 13 Conductor Max DC Resistances 14 Conductor Dimensions 15 Wire and Cable Size Comparison 16 Notes 18 Section 2, Page 1 Section Two General Technical Information INSTALLATION INFORMATION General All cables must be installed to comply with the latest New Zealand Wiring Regulations. Moisture Nexans Olex cables are manufactured in conditions that exclude moisture, as it is difficult to remove from a finished cable. It is important that precautions are taken during installation to ensure that moisture is not permitted to enter the cable. Cut ends or opened areas must be protected from moisture at all times, including during pulling in. Cables, after cutting, must be re-sealed for storage, by an effective method such as a heat shrinkable cable cap. Single Core Cables The following points relating to single core cables should be noted: 1. Single core cables carrying the phase currents of a single circuit must be installed as closely as possible together, to minimise inductive reactance and voltage drop. The preferred formation for three phase conductors is a "trefoil" or cloverleaf pattern although flat touching formation is also acceptable. Sheaths should be in contact with one another in either case. 2. A single core cable generates an alternating magnetic field around itself which can cause large increases in voltage drop and power loss due to "transformer effect" when ferrous metal (iron and steel) is allowed to encircle the cable. Steel racking or ladder will not induce this effect, but the following must be observed: a. Cable cleats may be of wood, plastic, or non-ferrous metal but steel saddles should not be used on single cores. b. Where three single phase cables pass through a steel bulkhead, they must all pass through the same hole. Where glanding is required, it is usual to cut out a panel and replace this with a non-ferrous (metal or plastic) plate in which the three or four glands are mounted. Cable Support Under fault conditions, single core cables used as phase conductors in a multi-phase system may be subjected to large electromechanical forces which tend to drive them apart. Generally, properly designed cleats spaced at 1500 mm intervals will provide adequate support to the cable under normal operating conditions. However special consideration may be required if fault currents in excess of 15 kA are anticipated. Green Goo Also known as “Green Slime”, this phenomenon is characterised by the appearance of a sticky green exudate leaking out of PVC-insulated wiring at locations such as switches, hot points and light fittings. It is a common occurrence in both Australia and New Zealand. The green goo problem is predominantly associated with older (25+ years) TPS-type cables operating in a warm environment. The exudate comprises a plasticiser that has migrated out of the PVC insulation, coloured due to reaction with the copper conductor, and that has subsequently travelled - by capillary action and/or gravity – along the conductor to emerge at a termination point. Due to its stickiness and unsightly colour, the goo has a high nuisance value, however it poses no significant health hazard.
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