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Specification

1. 11 Cable for Data Communication Cable for data communication Category 5 E Note Cables for data installations and similar to be agreed with Buyer s electro department before ordering 5 2 3 Motors 5 2 3 1 3 Phase Engines 50 Hz 3 Phase Motors In accordance with agreement Motors from 22 kW included and upwards shall be rated at 400 690 Volt Efficiency Class Degree of Effectivity and Losses shall be stated On larger motors vibration measuring SPM shall be installed When using frequency converters on larger motors insulated bearings shall be mounted Note Degree of protection for motors IP 54 5 2 3 2 Frequency Converters and Soft Starters Material MANUFACTURER TYPE 5 2 3 1 Frequency Converters The manufacturers Siemens ABB and Fuji may be used 5 2 3 2 Soft Starters The manufacturers Siemens and Stadt may be used 5 2 4 Control cabinets distribution boards and connection cabinets Material MANUFACTURER TYPE 5 2 4 1 Terminal box OUTDOORS Terminal box outdoors and in harsh environments Rose Polyester Rose aluminum GA boxes RITTAL Boxes cabinets outdoors and in harsh environments degree of protection IP65 5 2 4 2 Terminal box cabinets INDOORS Terminal box cabinets inside of RITTAL type KL AE RITTAL normal industrial atmosphere Boxes cabinets in normal industrial atmosphere degree of protection IP55 2 3 Electro technical specificat
2. 51 Push Buttons 3SB3 Siemens AS Signal Lamps 5 2 5 53 Signal lamps LED Siemens AS Switches 5 2 5 55 Switches Siemens AS Accessories 5 2 5 57 Accessories Siemens AS Encapsulated operation parts 5 2 5 58 Encapsulated operation Siemens AS parts 2 3 Electro technical specification rev 8 3 Side 19 av 24 S r Norge Aluminium AS W HYDRO Service LOTO switches 5 2 5 59 Service switch 3LD Siemens AS 5 2 5 60 Service switch ABB Phillip Hauge Safety Equipment 5 2 5 61 Safety relay Preventa XPS AF Telemecanique 5 2 5 62 Safety relay PNOZmulti Pilz 5 2 5 63 Safety switch for gates and AZ335 12zk M20 Schmersal doors 5 2 5 64 Safety switch for gates and XCS Telemecanique doors 5 2 5 65 Light barrier M2000 Sick 5 2 5 66 Light barrier MSL Sick 5 2 6 End switches initiators photocells solenoid valves Material MANUFACTURER TYPE POS Material TYPE MANUFACTURER End switches 5 2 6 1 End switches Only to be used where Siemens AS photocell initiator cannot be used 5 2 6 5 End switches Only to be used where Telemecanique photocell initiator cannot be used Initiators 5 2 6 10 Initiators With plug connection Turck M12 Photocells 5 2 6 11 Photocells With plug connection M12 Sick Telco 5 2 6 14 Photocells With plug connection M12 Datalogic Telemecanique Solenoid valves 5 2 6 15 Solenoid valves Hydraulic Bosch Rexroth 5 2 6 16 Solenoid
3. It is Seller s responsibility to choose correct cable dimensions according to load short circuit performance elongation ratio and voltage drops Calculations of short circuit and dimensioning shall be documented in writing Unless otherwise agreed upon Febdok shall be used Febdok database files are to be delivered electronically with all files open for editing 2 3 Electro technical specification rev 8 3 Side 11 av 24 W S r Norge Aluminium AS HYDRO 3 2 3 5 Capacity of Supply Cables Cables shall be delivered in accordance with item 5 2 2 Supply cables power cables shall be dimensioned for minimum 20 over capacity Different voltage levels shall normally not be present in the same cable Any deviations from this shall be agreed with Buyer s electro department beforehand 3 2 3 6 Cable Routing on Trays Power and signal cables on the same tray shall when possible be placed in separate paths 3 2 3 7 Cable to Machines For machines cables of type PFSP or similar shall normally be used Motor cables shall be of type PFSP or similar This is a cable that is shielded and has an operation voltage of 1kV 2 3 Electro technical specification rev 8 3 Side 12 av 24 4 1 4 2 4 2 1 4 2 2 4 2 3 4 2 4 W S r Norge Aluminium AS HYDRO REQUIREMENTS FOR DOCUMENTATION AND TRAINING Drawings and Descriptions All drawings and technical descriptions shall have Norwegian or English text Operations and mainte
4. Side 7 av 24 3 2 1 4 3 2 1 5 3 2 1 6 3 2 1 7 3 2 1 8 3 2 1 9 AU S r Norge Aluminium AS HYDRO Connection and Marking of Cables The main rule is that output cables are connected to terminal strips Other systems shall be agreed upon with Buyer Only one conductor in each terminal The cables shall be marked with the same cable number on both ends The conductors shall be marked with terminal numbers The cables shall have sufficient stress relief at the entry point of connection boxes with the aid of cable glands or other standardized systems Cable marking system shall be agreed upon with Buyer Cable lugs and Connection Crimping of cable lugs connection sleeves on aluminum cables shall be applied with dorpress Terminations and joints on Cu cables shall be applied with hexagonal press Cable lugs shall be tightened with the torque stated in the final documentation Placing and mounting of terminal strips Terminal strips that are closer to the floor than 50 cm shall be mounted at an angle of 60 Terminal strips shall be numbered consecutively from left to right or from top to bottom Terminals in measurement loops shall be measuring terminals see item 5 2 7 35 Measurement terminals shall be equipped with sockets for 4 mm banana plugs Different voltage levels shall have their own terminal strips This is also applicable for strange voltages even where only one or two terminal strips are in question Cable
5. a list with intervals d The necessary documents for verification in accordance with NEK 400 6 Drawing Copies 2 sets of drawing copies shall be delivered to Buyer within a reasonable time frame before the installation starts 1 set with updated drawings shall be available to Buyer at the plant at all times from the start of installation until final documentation has been delivered Updated Drawings AutoCad Seller of the installation shall deliver 2 sets of updated drawing copies with dates and signatures after commissioning The drawings and documents shall also be delivered electronically in the AUTOCAD format DWG format Each sheet as one file For drawing no XXXXX sheet 1 the file name shall be XXXXX 1 DWG Deadline for Delivery of Drawing Documentation Unless otherwise agreed the As Built documentation shall be delivered to Buyer no later than one month after plant commissioning Requirements for Storage of Drawing Copies Copies of the original drawings as built shall be available from Seller for at least 10 years Professional Workmanship on Installations Buyer s approval of presented drawings and documentations does not excuse Seller from the responsibility to deliver a professionally executed installation and to follow current regulations and Buyer s specifications Copying All copying expenses as mentioned in item 4 2 10 and 4 2 11 will be charged to Seller Assignment of Drawing and Object n
6. department Connection points for grounding devices shall be installed in transformer cells Installation and Mounting of High Voltage Supply Installations Installation plan and test plan shall be presented for Buyer in a reasonable time before the installation commences Bus Bars The torque shall be documented for all screw connections The standard being used shall be documented On the plant every connection shall be checked off If specified documented resistance measurements shall be performed for bus bar deliveries in addition to insulation measurements Place mounted bars and pre fabricated insulated bus bars shall be tested with 50kV for one minute High voltage cabinets Power Switches Knife Disconnectors Simplified user manual in Norwegian for switches and guards shall be presented before the installation is powered up For all high voltage areas there shall be signs mounted which show manufacturer year of production performance voltage and short circuit currents A short user instruction shall also be placed on the front of installed devices All text shall be in Norwegian Cable Laying High Voltage Cables High voltage cables must be attached with approved cable fasteners and the laying shall be documented Calculations regarding short circuit power and dimensioning of fastenings shall be presented to Buyer When feasible the high voltage cables shall be routed on separate cable trays paths In case hi
7. module PM E 6ES7 138 4CB10 0ABO Digital input 4DI 6ES7 131 4BD01 0AA0 Digital output 4DO 6ES7 132 4BD00 0AA0 Analog input 2Al 6ES7 134 4GB01 0ABO Analog output 6ES7 135 4GB01 0ABO Profibus PA shall be used as instrument bus 5 2 9 5 PLC Operator Panel Siemens Simatic operator panel shall be used for local operation and viewing of alarms and process values 5 2 9 6 PLC Display control system PC InTouch from Wonderware shall be used as display control system on PC The communication between PLC and PC shall be done on Profibus PC shall have Applicom PCI1500PFB card for Profibus and Ethernet card for communication with Buyer s other network Use of colors in display control shall be agreed for each case 5 2 9 7 PLC Cable Between PLC and terminal strips 0 75 mm fine stranded connection conductor TP 100 with marking sleeves on both ends shall be used Same color marking as in item 3 2 1 12 Cabling modules and multi conductor cables can also be used These shall be of the type Phoenix or Simatic Top connect 5 2 9 8 PLC Cabling and Routing Different voltages shall not be present in the same control current cable Inputs and outputs shall not be laid in the same cable with lengths that exceed 100 m Input and output cables shall be protected The shield shall be grounded in both ends Control current cables shall not be placed together with power cables gt 10A with lengths over 10 m 5 2 9 9 PLC Solenoid valve Solenoid
8. mounted on a carrier plate 24V DC supply to PLC inputs outputs shall be guarded by an electronic over current guard Signals from over current guards shall be connected to alarm indicator lights 3 2 1 17 Lights in Cabinets As a main rule fluorescent lights with door switches shall be mounted in tall cabinets 2m or taller Other systems shall be agreed with Buyer The installation in the cabinets shall be connected to special separate terminals which are intended for 230V strange voltage 3 2 1 18 Energy measurement Energy measurement shall be delivered with machines Shall be agreed with Buyer 3 2 2 Installation and Mounting on Machines 3 2 2 1 Norwegian Regulations for Electrical Low Voltage Installations including Instructions must be followed when using NEK 400 EN 60364 3 2 2 2 Machines Control Electrical cabinets for machines shall be placed in a separate electrical room Input signals to PLCs placed on the machine itself shall be connected to distributed I O units on the machine ET200S on Profibus DP and or Asi bus shall be used as distributed I O Motor starter equipment shall be placed in electrical cabinets in the electrical room and be controlled from output cards on the PLC 400V and 690V cables from motors and other power consumers shall be routed directly to the contactor cabinet The control of solenoid valves for air and hydraulics shall be carried out with ET200S units in cabinets next to the cabinets for
9. solenoid valves Exceptions from this may be allowed where there are few valves and a short distance to the electrical cabinets This must be agreed with the Officer in charge The positioning of the machines shall be performed with laser The laser shall be mounted on the fixed part When laser cannot be used absolute sensors connected to Profibus DP shall be used 2 3 Electro technical specification rev 8 3 Side 10 av 24 3 2 2 3 3 2 2 4 3 2 2 5 3 2 2 6 3 2 2 7 3 2 3 3 2 3 1 3 2 3 2 3 2 3 3 3 2 3 4 W S r Norge Aluminium AS HYDRO Requirements for Safety System All machines shall be manufactured in accordance with the Machine directive Buyer shall approve SIL classification LOTO Lock Out Tag Out is a security system for removing all energy in machines and to prevent accidental switch on startup of machines All installations shall be arranged for such a system Buyer s officer in charge shall be contacted for approval of the design Placement of Components Each of the components that are part of the control system shall have a favorable position for replacement maintenance and to avoid mechanical damage Solenoid valves shall preferably be mounted together in special cabinets control voltage preferably 24V DC or as agreed upon Manufacturer see item 5 2 6 Solenoid valves shall not be placed in the electrical cabinets All equipment must be mounted and protected against oil spills water snow an
10. valve Pneumatic Bosch Rexroth Ultrasound sensor 5 2 6 17 Ultrasound sensor RU30 M30 APBX H1141 Turck Other types manufacturers shall be agreed with Buyer s electro department 2 3 Electro technical specification rev 8 3 Side 20 av 24 5 2 7 S r Norge Aluminium AS AU HYDRO Terminal strips connection parts etc Material MANUFACTURER TYPE POS Material TYPE MANUFACTURER Terminal strips 5 2 7 1 Terminal strips WDU 2 5 35 Weidemiller 5 2 7 2 Terminal strips WDU 4 35 Weidemiller 5 2 7 3 Terminal strips WDU 6 35 Weidemiller 5 2 7 4 Terminal strips WDU 10 35 Weidemiller 5 2 7 5 Terminal strips WDU 16 35 Weidemiller 5 2 7 6 Terminal strips WDU 35 35 Weidemiller 5 2 7 7 5 2 7 8 Terminal strips WDU 70 95 Weidemiller 5 2 7 15 Terminal strips WDK 2 5 800V Weidem ller Grounding terminals 5 2 7 16 Grounding terminals WPE 2 5 35 Weidem ller 5 2 7 17 Grounding terminals WPE 4 35 Weidem ller 5 2 7 18 Grounding terminals WPE 10 35 Weidem ller 5 2 7 19 Grounding terminals WPE 16 35 Weidem ller Zero terminals 5 2 7 25 Zero terminals NT 2 5 35 Weidem ller 5 2 7 26 Zero terminals NT 6 35 Weidem ller Measuring terminals 5 2 7 35 Measuring terminals w 4mm socket Current LT WTL 6 2 Weidemiller Voltage LT WTL 6 1 Weidemiller Mounting rail 5 2 7 40 Mounting rail TS 35x15 Weidemiller Only allowed in PLC cabinets commences A
11. valve voltage 24V DC 5 2 9 10 PLC Programming Programming of PLC shall be performed in FBD LAD The choice of other programming languages to be agreed with Buyer s officer in charge The programmer shall be able to communicate in Norwegian or English All program blocks networks in program blocks and variables 1 0 M T DW etc that are used in the program shall have explanatory text in Norwegian or English 2 3 Electro technical specification rev 8 3 Side 23 av 24 AU HYDRO S r Norge Aluminium AS 5 2 10 Instrumentation 5 2 10 1 Instrumentation Instruments printers regulators measurement value converters impulse transmitters effect and energy meters etc with performance and manufacturer as agreed with Buyer Current Manufacturers EQUIPMENT MANUFACTURER Regulators Euroterm Newport West Analog panel Siemens Gossen and more To be delivered in standard sizes instruments 48X48 72X72 or 96X96 Indicators and counters Siemens MG Digital panel instruments Newport MG Laser Manufacturer Sick type DME300 211P TR ELECTRONIC type LE 100 Absolute sensors TR ELECTRONIC type CE 65 M Measurement value converters PR Electronics or in accordance with agreement Energy measurer Siemens Sentron PAC 3200 Final choice of instrument equipment following discussion with Buyer 5 2 10 2 Thermal Elements Thermal elements shall be NiCr Ni with sta
12. 7 2 3 Electro technical specification rev 8 3 Side 4 av 24 AU S r Norge Aluminium AS HYDRO 3 WORKMANSHIP REQUIREMENTS 3 1 3 1 1 3 1 2 3 1 2 1 3 1 2 2 3 1 2 3 3 1 2 4 3 1 2 5 HIGH VOLTAGE Contactor Cabinet Control Cabinet Measuring Fields etc Description in item 3 2 1 with under items shall be followed unless otherwise agreed High Voltage Equipment Bus Bars At delivery of bus bar installations these shall be adapted to existing grounding systems and delivered with appropriate grounding appliances Due to the high current in the rail systems the nuts and bolts on the rails shall be made from stainless steel A2 80 quality grade High voltage cabinets Power Switches Knife Disconnectors Compact cabinets or cabinets for switch trolleys may be used in transformer stations Short circuit current for the cabinet shall be minimum Ik 12 5kA The switches shall be rated In 630A In the main power supply installation 24kV cabinets for switches mounted on switch trolleys with short circuit current of minimum Ik 31 5kA and switches for 2500A are required In 20kV buildings switches for regulated 20kV distributions 20kV shall have minimum short circuit current of Ik 12 5kA and In 1250A or as agreed otherwise Buyer is planning on using SF6 power switches High Voltage Cables All high voltage cables shall be rated at 24kV or as agreed otherwise End Termination Here it may be di
13. Connections Control Power Cable connections for control power shall be multistranded with a minimum cross section of 0 75 mm The conductors shall be placed in plastic conduits The conductor ends shall have connection sleeves at the connection point The conductor ends shall be marked with marking sleeves that state their respective component s connection number i e on relay contactors A1 A2 13 14 etc This ensures easy replacement of components without having to use a diagram Connection sleeves with plastic tabs shall not be used as marking sleeves For internal connections there shall not be more than two conductors in each connection point on components and one conductor in terminal strips Cable Conduits Free Capacity The plastic conduits shall not be filled more than 75 when the installation is ready for commissioning Whenever possible the control power conductors shall be kept separate from the main power A plastic hose shall be used for the protection of connections between cabinet and cabinet doors RITTAL or similar Component Mounting and Marking All components shall be mounted in such a manner that they can be readily replaced They shall be marked with position numbers in accordance with the drawings Black letters on a white background shall be used on signs mark The signs shall be mounted in the bottom of the cabinet or special marking bars not on the component or the plastic conduits Contacts and relays ca
14. Kabel Draka Nexans Tec Con Only allowed for installation in offices mess rooms etc 5 2 2 2 1KV w shield 1 KV w shield PFSP IFSI 1 5 2 5 Nexans Tec Con Copper cables shall be used up to and including a conductor cross section 35 mm If there is a need for cables with a larger power conducting ability cables with aluminum conductors may be used 5 2 2 3 Flexible Cable Flexible cables on for cranes and power chains in accordance with agreement For example lflex Cables to be hauled shall be approved for this use 5 2 2 4 Plastic Insulated Conductors Plastic insulated PN 750V multiple strands Only allowed in piped installations and as internal connections in cabinets 5 2 2 5 Low current cable ground and industrial buildings Low current cable A O9EEBP 45D or IXLI LIYCY In ground and industrial buildings 2 3 Electro technical specification rev 8 3 Side 17 av 24 HYDRO AU S r Norge Aluminium AS HYDRO 5 2 2 6 Extension cables and supply cables for portable apparatus Rubber cable NUHVO 5 2 2 7 5 2 2 8 Plastic insulated conductor control power 230V AC Plastic insulated conductor 7 TP 90 violet Used for control power 230V AC 5 2 2 9 Compensating cable temperature measurements Compensating cable PSP type K Gefran Used for temperature measurements 5 2 2 10 Fiber Cable Fiber cable 62 5 125u Number of fibers in accordance with agreement 5 2 2
15. LOG Output card 6ES7 332 5HD01 OABO DIGITAL Output card 6ES7 322 1BHO1 OAAO 0 5A DIGITAL Output card 6ES7 322 1BF01 OAAO 2A CPUs shall be of the following types CPU 313C 6E57313 5BEO1 0ABO CPU313C 2DP 6E57313 6CE01 0ABO CPU 314 6ES7314 1AF10 0ABO CPU315 2DP 6E57315 2AG10 0ABO CPU317F 2DP 6E57317 6FF00 0ABO CPU414 2 6E57414 2XG04 0ABO CPU416 2 6E57416 2XK04 0ABO Use of other cards shall be in agreement with Buyer 2 3 Electro technical specification rev 8 3 Side 22 av 24 HYDRO MANUFACTURER AU S r Norge Aluminium AS HYDRO 5 2 9 4 PLC Distributed I O Electrical cabinets for machines shall be placed in a separate electrical room Input signals to PLCs placed on the machine itself shall be connected to distributed I O units on the machine ET200S on Profibus DP and or Asi bus shall be used as distributed I O The control of solenoid valves for air and hydraulics shall be performed with ET200S units in cabinets next to the solenoid valve cabinets Exceptions from this may be allowed where there are few valves and a short distance to the electrical cabinets This must be agreed with Buyer s officer in charge Motor starter equipment shall be placed in electrical cabinets in the electrical room For ASI bus units directly on the equipment Compact model K45 4x Inputs 3RK1200 0CQ20 0AA3 shall be used ET200S modules INTERFACE MODULE IM151 1 STANDARD Power
16. S r Norge Aluminium AS HYDRO Topic 1 Purchasing terms Specification 2 3 Electro Technical Specification Publisher Unit TEK Date 06 12 2015 by Torstein Fykse Document No 2 3 Revision No 8 3 Valid From 07 12 2015 Table of Contents 1 GENERAL INFORMATION ABOUT BUYER S ELECTRICAL INSTALLATION cccceceeesesseeeeeeeeeeaes 2 2 NORWEGIAN REGULATIONS DIRECTIVES AND PARTICULAR REQUIREMENTS cceeeeeeeeeeenneenees 3 3 WORKMANSHIP REQUIREMENTS veis peks skinnene Meee eek 5 4 REQUIREMENTS FOR DOCUMENTATION AND TRAINING vunurvnnvrverannnnnnnunennnrnnnnnennnvennner 13 5 BUYER S STANDARD MATERIAL LIST ananarannnvnnrnnnnnnenennnrnnnnnnnnennnnnnnnnnnnsnnnnnnnnnnnnne 16 Buyer in this document is S r Norge Aluminium AS 2 3 Electro technical specification rev 8 3 Side 1 av 24 1 1 1 1 2 AU S r Norge Aluminium AS HYDRO GENERAL INFORMATION ABOUT BUYER S ELECTRICAL INSTALLATION High Voltage Installation 300KV The Main Supply for Buyer has a voltage of 300kV which is supplied from the central power grid The central power grid consists of two lines from Blafalli Switching Station and a subsea cable from Stord 24kV The unregulated supply has a voltage of 24kV This supplies the rectifier and the regulating transformers The output to SKL KE is also connected here The neutral point is insulated Maximum Ik is 31 5kA Phase Compensating 2 ea capacitor batteri
17. a minimum of 2 secondary windings one for measuring and one for protection The class must be agreed in each case Measuring transformers shall be grounded and documented in accordance with the manufacturer s specifications 2 3 Electro technical specification rev 8 3 Side 6 av 24 3 1 3 6 3 1 4 3 2 3 2 1 3 2 1 1 3 2 1 2 3 2 1 3 AU S r Norge Aluminium AS HYDRO Requirements for Security System and Locking All completed high voltage components or installations shall be lockable Officer in charge shall approve the arrangement LOTO Lock Out Tag Out is a security system for removing all energy in machines and to prevent accidental switch on start up of machines All installations shall be arranged for such a system Buyer s officer in charge shall be contacted for approval of the design Transport and Packing Transport and packing of high voltage components shall have packaging made from durable materials Components that are delivered in larger crates shall be individually secured and be surrounded by shock absorbing material when necessary Components that are not moisture proof shall be packed accordingly If the components contain any oil the oil MSDS shall be included in the delivery documents LOW VOLTAGE Distribution Boards Contactor Cabinets etc In addition to Buyer s specifications NEK EN 60439 applies Short circuit performance at the secondary side of the distribution transformer is in t
18. all be clearly marked in accordance with instructions from Buyer s officer in charge These shall be marked with information about the fire proofing company and the date of the fire proofing PAINT WORK CORROSION PROTECTION ETC This shall be performed in accordance with Specification for surface treatment Part 2 7 Objective The norm has been set to obtain a consistent and correct treatment in terms of quality of the surfaces of aluminum and steel constructions The implemented systems will cover various environments and usage areas and any deviations from the norm shall be agreed separately General Buyer will when necessary specify the painting system in his inquiry The products of the specified manufacturers shall be used unless otherwise described or agreed in writing beforehand Standards Pre treatment ISO 8501 1 Chemical purity ISO 8502 1 to 4 Surface texture ISO 8503 1 Ry 2 3 Adhesion test ISO 4624 Deviations Deviations from the norm must be approved in writing from Buyer Source This description is for the most part worked out in accordance with Norsk Hydro s norm EH 015 and Buyer s specification for surface treatment Part 2 7 Abbreviations PUR Polyurethane ISO International Standardizing Organization TFT Dry Film Thickness indicated in um micron YL Air quality and supply in the work environment RAL International color code Buyer s specification for surface treatment Part 2
19. d frost Marking of Components and Equipment All equipment shall be clearly marked with position no in accordance with the drawings Engraved signs with black letters on a white background shall be used The signs shall not be placed on the component but on a mounting plate or construction part that is not being removed during normal maintenance work Ventilation Installations All controls are agreed upon see item 5 2 9 Electrical heating batteries shall be designed as convection heat batteries not using radiation heat Soft Starters Soft starters shall be used instead of star triangle start Soft starters shall be used for motor drive on conveyors chain belts For installations where frequent motor start stops because of energy conservation is desired soft starters shall be installed Cable Routing General Cable Trays Cable trays in aluminum shall be used or as otherwise agreed Routing choices shall be agreed for each single case When the installation is being commissioned there shall be 15 free room on the cable trays Cable Fastening Strips Outdoors in pot rooms and Foundry acid proof steel strips shall be used for cable fastening Plastic strips made from UV proof material is otherwise accepted This is also applicable for fastening of cable marks Marking of Cables All cables shall be marked in both ends with their respective cable numbers in accordance with drawings cable lists Cable Dimensions
20. d with Buyer 5 1 3 2 Special Transformers Agreed with Buyer 5 1 3 3 Distribution Transformers Standard outputs up to and including 1600kVA Voltage ratio 20000 400V or 690V connection Dyn5 ABB France Trafo M re Trafo Siemens Norsk Transformator 2 3 Electro technical specification rev 8 3 Side 16 av 24 HYDRO 5 2 5 2 1 5 2 2 Low Voltage S r Norge Aluminium AS Fuse Parts Material MANUFACTURER TYPE 5 2 1 1 Load Disconnecting Switch Load disconnecting switch 3NP Siemens AS Load disconnecting switch SLP XLP ABB 5 2 1 2 Load Switch Load switch 3KL50 3KL61 Siemens AS 5 2 1 3 High Power Cartridges High power cartridges 3ND 3NA Siemens AS 5 2 1 4 Power switch and engine protection switches Power switch 3 VF 3 RV 3WN Siemens AS 5 2 1 10 Automatic circuit breakers AC Residual current circuit breaker 5SU Automatic circuit breakers for AC 5SY 440V AC Siemens AS B and C Characteristic 5 2 1 11 Automatic fuses DC Automatic circuit breakers for DC S 280UC 220V ABB Stotz 5 2 1 12 Electronic protection for 24V DC PLC inputs outputs Siemens Sitop diagnosis module part no 6 P1961 2BA00 Cable Material MANUFACTURER TYPE In compliance with Officer in Charge non halogenated cables shall be used in some areas 5 2 2 1 Screened house wiring cable Screened house wiring cable aluminum sheath PR IFLI 1 5 2 5 Odin
21. e 230V AC control power insulated Red 220V DC Violet Control installations in 20kV building Power measurement Black Normally up to 5A Voltage measurement Black Normally 100V 400V phase voltage Black 690V phase voltage Black Strange voltage Orange Independent of voltage level Neutral conductor Light Blue 2 3 Electro technical specification rev 8 3 Side 9 av 24 AU S r Norge Aluminium AS HYDRO 3 2 1 13 IP Class Protection All voltage carrying parts must be protected against accidental touching minimum IP 20 Buyer shall agree on protection classes for surroundings and environment in case of doubt 3 2 1 14 Cabinet Locks In locked rooms with distribution boards all cabinets shall be able to be opened or closed without using keys or special tools Outside of locked rooms with distribution boards the cabinets shall be opened using keys only 3 2 1 15 Fuses Automatic fuses are used up to and including 63 A C char Automatic circuit breakers for important control power circuits shall be equipped with signal contacts For larger loads load disconnectors or power switches shall be used Automatic circuit breakers or melting fuses shall not be used for 24V DC supply to PLC inputs outputs See next section 3 2 1 16 PLC Controls All PLC controls shall have the possibility for Profibus connections Controls including PLC shall preferably be placed in separate cabinets with their own power supply etc The PLC should be
22. ert manager of operations After delivery the installation shall be CE marked in accordance with current directives Machine Directive Low Voltage Directive EMC Directive Plants and products shall be delivered with the conformity declaration The necessary verification documents shall be delivered with the conformity declaration Ref NEK 400 6 Unless other written agreements have been made all material shall be delivered in accordance with the Buyer s standard item 5 If the work has been performed in conflict with current regulations or Buyer s specifications the error must be corrected Seller shall cover all costs in connection with correcting such errors FIRE PROOFING OF CABLE PENETRATIONS AND SECTIONING Approved fire proofing materials shall be used for fire proofing Furthermore the proofing shall be of the same fire class as the part of the building where the proofing is being done when nothing else is prescribed Cable Routing Cable trays bridges shall be completed in front of the penetration to insure good proofing and access Penetrations for piping and ventilation Seller will clarify how penetrations will be proofed Joint foam or building foam must not be used 2 3 Electro technical specification rev 8 3 Side 3 av 24 2 2 4 2 3 2 3 1 2 3 1 1 2 3 1 2 2 3 1 3 2 3 1 4 2 3 1 5 2 3 1 6 AU S r Norge Aluminium AS HYDRO Marking The places where the proofing are done sh
23. es of 65MVAr are connected to 24kV unregulated distributions The capacitor batteries are switched in through 2 steps When connecting powerful switching transients occur in particular at the 400V level 20KV The general plant supply has a voltage of 20kV which normally is supplied from one of two 30MVA regulating transformers The neutral point is insulated The Buyer s transformer stations are supplied with regular 20kV via ring cables from the plant supply in 20kV buildings The Maximum Ik for 20kV in the transformer station is 12kA Short circuit yield can be stated for each item on request from the Buyer s electro department Low Voltage Installations There are low voltage switchboards in the transformer stations which are supplied from distribution transformers with a ratio of 20 0 400 kV or 20 0 690kV In general 400V is used as distribution system TNCS System for motors and other 3 phase loads 230V direct connection between Phase and N is used for lighting As an exception 690V is used for larger motors and heating installations Control voltage usually 230V AC is supplied by a control power transformer secondary side The control power transformer primary side is connected to 400v between two phases Ground fault monitoring shall be installed on the 230V side when using control power transformers For PLC installations etc a ground fault alarm shall be presented via the control system For smaller instal
24. fferentiated between indoor and outdoor types depending on where the installation is mounted Conventional end terminations and terminations of a touch proof type can be used indoors Transformers To be produced and delivered in accordance with IEC 60076 1 and IEC 60076 2 All distribution transformers shall have oil insulation preferably with environment friendly oil vegetable oil Data sheet for the transformer oil shall be referenced in all offers to Buyer Accessories shall be agreed for each case Such accessories shall monitor oil temperature gas pressure and oil level All transformers shall be delivered with swiveling wheels The temperature indicator on the transformer shall be readable from the inspection point All transformers shall be mounted with signs indicating all substantial transformer performances volume and weights All signs and indicators shall be readable when the transformer is in operation without endangering the personnel For distribution transformers that do not have standard performance and power transformers rated at over 1600kVA a special agreement is required 2 3 Electro technical specification rev 8 3 Side 5 av 24 3 1 3 3 1 3 1 3 1 3 2 3 1 3 3 3 1 3 4 3 1 3 5 AU S r Norge Aluminium AS HYDRO Short circuit performance at the secondary side of the distribution transformer is in the range of 30kA This can be stated separately for each point on request from Buyer s electro
25. gh voltage cables are routed on the same cable tray as low voltage cables Buyer shall be contacted and the distance between the cable paths shall be made in accordance with regulations Termination and Connection Crimping of cable lugs connection sleeves on aluminum cables shall be applied with dorpress Terminations and joints on Cu cables shall be applied with hexagonal press Buyer shall verify terminations and joints before mounting cable lugs when cables are made ready for mounting and with jacket cut Each joint termination shall be documented in writing End terminations shall be carried out in accordance with the manufacturer s standard mounting instructions Thermotape thermos strips shall be mounted on all end terminations Temp range 70 110 C There shall be a marking that shows the mounting date under each end termination Cable lugs shall be tightened with the torque stated in the end documentation Transformers and Mounting Measuring transformers for high voltage shall to the extent possible be adapted to the maximum current load for the transformers For transformers with output up to 800 kVA the measuring transformer shall have a ratio of 30 5 A For transformers up to 1600kVA current transformers with a ratio of 50 5 A shall be used In general distribution transformers larger than 1600kVA shall not be installed Details are required on the grounding of transformers in transformer cells There shall be
26. he range of 30kA This can be stated separately for each point on request from Buyer s electro department Cabinet types Density Color etc 380V distribution boards in transformer stations shall be equipped with ABB Slim line fuses unless stated otherwise Regarding other cabinet types density requirements color etc see Buyer s standard unless otherwise agreed see item 5 4 Room for 15 expansion After the cabinets are installed and the installation is commissioned there shall be free room for at least 15 expansion This is applicable to room for components extra cable glands and connection strips Power supply and control current transformers shall be dimensioned for 15 extra load Grounding Neutral Conductor in Distributions All distribution cabinets shall have separate bars connection clamps for grounding and neutral conductor Ground and neutral bar shall be mounted close to the output clamps They shall be readily accessible after the cables are mounted Each cable connection shall have their own connection clamp both to ground and to neutral conductor bar All control cabinets shall have grounding bars at the cable entry point to the cabinet All groundings and shields on ingoing and outgoing cables shall be connected to this bar It is important that the ground conductor on the cables inside the cabinet is as short as possible to limit EMC problems 2 3 Electro technical specification rev 8 3
27. ion rev 8 3 Side 18 av 24 AU S r Norge Aluminium AS HYDRO 5 2 4 3 Control cabinets INDOORS Control cabinets RITTAL type AK AS PS RITTAL ES TS8 KS Relay control cabinets degree of protection IP55 5 2 4 4 Control cabinets OUTDOORS Control cabinets outdoors to be agreed with Buyer Acid proof or UV resistant synthetic material Surface Treatment Standard hardened varnish RAL 7032 5 2 5 Contactors relays timer relays Material MANUFACTURER TYPE POS Material TYPE MANUFACTURER Contactors 5 2 5 1 Contactors SIRIUS 3 RT 3TF Siemens AS Control relay 5 2 5 5 Control relay 3RH Siemens AS 5 2 5 6 Control relay switch contact REL MR 24DC 21 item no Phoenix for socket PLC BSC 24DC 21 2961105 5 2 5 7 Control relay base PLC BSC 24DC 21 part no Phoenix 2966016 5 2 5 8 Control relay optical coupler OPT 24DC 24DC 2 part no Phoenix to base PLC BSC 24DC 21 2966595 5 2 5 9 Control relay optical coupler EMG 17 OV 24DC 240AC 3 Phoenix 24V DC in 230V AC output part no 2954235 Bimetal relay 5 2 5 10 Bimetal relay 3 RU11 3RB10 Siemens AS Timer relay 5 2 5 15 Timer relay delayed closing 3RP Siemens AS 5 2 5 20 Timer relay delayed opening 3RP Siemens AS Ground fault relay 5 2 5 30 Ground fault relay IRD420 D4 2 Bender Operation Parts 5 2 5 50 Operation Parts Dim 22 mm Push Buttons 5 2 5
28. lations a signal lamp indicating ground faults can be installed in the cabinet door For local fault message alarm the following system is used 1 Fault present Blinking red light possibly also an acoustic alarm 2 Alarm deactivated Continuous red light 3 Fault removed Light off 2 3 Electro technical specification rev 8 3 Side 2 av 24 W S r Norge Aluminium AS HYDRO For some installations transferring some or common alarms to the gate guard is also desirable This can be done in the current system or agreed separately Buyer s rectifier installation for electrolysis produces some overharmonic oscillations back to the power grid Short circuit performance at the secondary side of the distribution transformer is in the range of 30kA This can be stated separately for each point on request from the Buyer s electro department 2 NORWEGIAN REGULATIONS DIRECTIVES AND PARTICULAR REQUIREMENTS 2 1 2 2 2 2 1 2 2 2 2 2 3 General All assembly and installation shall be performed in accordance with current publications from DSB Regulation on safety at work on and operating electrical installations with instructions FSE Regulation on Electrical Low Voltage Installations with instructions Regulations on Electrical Supply Installations FEF Regulations on qualifications for electrical professionals with instructions FKE Before the work commences Seller shall send a message to the Buyer s exp
29. ll terminal strips for mounting rail TS 35 Any other terminal strip types shall be agreed with Buyer in reasonable time before installation 2 3 Electro technical specification rev 8 3 Side 21 av 24 5 2 8 5 2 9 NU S r Norge Aluminium AS Lighting Equipment Material MANUFACTURER TYPE POS Material TYPE Street Road Lighting 5 2 8 1 Armature To be agreed with Buyer S Lighting for industry halls 5 2 8 2 Armature To be agreed with Buyer Lighting for workshops and similar 5 2 8 3 Armature To be agreed with Buyer Lighting outdoors and in harsh atmospheres 5 2 8 5 Armature To be agreed with Buyer Lighting for offices and similar 5 2 8 5 Armature To be agreed with Buyer Note for approval For larger lighting installations light calculations and choice of armature must be submitted to Buyer Programmable Controls Material MANUFACTURER TYPE 5 2 9 1 PLC Programmable controls PLC 5 2 9 2 PLC Manufacturer The plants shall be controlled by PLC The PLC shall be manufactured by Siemens Simatic S7 300 series or S7 400 series 5 2 9 3 PLC The PLC shall have free memory and I O capacity of minimum 15 for future expansions Both S7 300 and S7 400 series shall use S7 300 I O I O cards shall be of the following types DIGITAL Input card 6ES7 321 1BHO2 OAAO ANALOG Input card 6ES7 331 7KFO2 OABO ANA
30. n also be marked with a light proof marker on the marking signs from the factory PLC I O shall be marked on the front with text Operation Signs Shall Have Norwegian Text Operation signs shall have Norwegian text 3 2 1 10 Operation Order a Increase from bottom to top or from left to right b Reduce counter clockwise from top to bottom or from right to left C Start stop button Location of start stop buttons should preferably be vertical Start button on top and stop button at the bottom If the start stop buttons are placed horizontally the 2 3 Electro technical specification rev 8 3 Side 8 av 24 AU S r Norge Aluminium AS HYDRO start button shall be placed on the right hand side and the stop button on the left hand side For normal operations all switch levers shall be in vertical and middle positions respectively 3 2 1 11 Color Requirements for Indicator Lights and LEDs Signal Lights RED Alarm GREEN Ready for start WHITE Operation Light Push Buttons RED Stop or Off GREEN Start or On For others in accordance with the current IEC norm The Supply Voltage to signal lights LED indicators shall be 24V For installations with more than 5 signal lights LEDs there shall be controls for lamp testing Incandescent lamps shall not be used 3 2 1 12 Requirements for Conductor and Cable Colors Neutral Conductor shall in accordance with regulations have a light blue color The Neutral Cond
31. nance instructions etc shall have Norwegian text Drawing basis and documentation in addition to marking of installations and components shall be in accordance with NEK 144 EN 60617 EN 61346 Electrical components in machine installations shall be marked with a letter for the type of component used and also be marked with a number for the side and power path where it can be found on the electrical drawings For each installation the following documentation shall be delivered Installation Drawings Can be prepared in standard formats A3 to AO The drawings shall show the position of electric components equipment and cable connections in plants buildings The numbering and marking must be consistent with the associated diagrams and drawing basis Arrangement Drawings Can be prepared in format A4 to A1 The drawing s shall show internal construction placement and marking of equipment in distribution boards consoles etc One Line Diagram Can be delivered in the following formats A4 and A3 The drawing shall represent one single one line diagram without control current One line diagrams for transformer stations distribution stations shall be delivered as well as for installations with voltages above 400V Current Flow Diagram The following formats are accepted A4 and A3 The drawings shall be divided into a Main Current b Control Current C Alarm error messages d Electrical schematics hydraulic diagrams i e hyd
32. ndard compensation cable up to cold solder point FEC norm Conductors from cold solder points to instruments shall be brown in color Calibration class and certificate must be agreed with Buyer Heat Control 5 2 11 1 Thyristor Regulators Manufacturers used are Eurotherm and Stadt 2 3 Electro technical specification rev 8 3 Side 24 av 24
33. os Seller shall contact Buyer to have Buyer s drawing numbers and object numbers assigned Both text files and drawings shall be registered with Buyer s drawing numbers The drawing numbers and the sheet numbers shall be unique Training A training plan shall be prepared for operation and maintenance The training plan from Seller shall be in place before commissioning testing and start of operations for machine or installation The training plan shall be approved by Buyer and shall cover maintenance and operation 2 3 Electro technical specification rev 8 3 Side 15 av 24 5 1 5 1 1 5 1 2 5 1 3 AU S r Norge Aluminium AS BUYER S STANDARD MATERIAL LIST High Voltage Apparatus Cabinets and Switches Material MANUFACTURER TYPE 5 2 1 1 High Voltage Switch Cabinet ABB Schneider Siemens in accordance with agreement 5 2 1 2 Load Switch Air insulated or as an SF6 switch 5 2 1 3 Power Switch SF6 switch fixed in combination with disconnecting switch or on a switch trolley Cable and end terminations Material MANUFACTURER TYPE 5 1 2 1 24kV Cable for Outdoor Installation TSLE Al or Cu twisted 1 conductor Pirelli Nexans General Electric Others in accordance with agreement 5 1 2 2 24kV End Terminations and Joints Elastimold Raychem Types in accordance with agreement Transformer Material MANUFACTURER TYPE 5 1 3 1 Power transformers Agree
34. ow diagram f Notes with distributor Seller Cable List Format A4 In the list all cables that are part of the group or installation in question shall be included The cable list shall include the following a Connection from denomination reference in accordance with IEC norm b Connection to denomination reference in accordance with IEC norm Cc Number of conductors d Conductor cross section e Type f Length g Cable no h Note i Voltage Level Spare Parts The offer shall include necessary spare parts and prices In the general offer on spare parts for the installation electrical components shall also be included These shall be listed with references as for the parts list item 4 2 6 Any spare parts that are ordered in the main order shall be available when a plant is commissioned The spare parts list must include a complete type denomination and manufacturer 2 3 Electro technical specification rev 8 3 Side 14 av 24 4 2 9 4 2 10 4 2 11 4 2 12 4 2 13 4 2 14 4 2 15 4 2 16 4 3 4 3 1 AU S r Norge Aluminium AS HYDRO Description For all plants the following descriptions shall be included before commissioning a Technical description of the installation s function theory with reference to the electrical documentation b Functional descriptions and technical documentation on the components used C Maintenance instructions for the same components shall be specified in
35. raulic diagrams with electrical components solenoid valves end switches etc clearly marked with reference to electrical schematics e Electrical schematics pneumatic diagrams similar to electrical schematics hydraulic diagrams f Diagrams for instruments control and electronics g Associated connection tables and terminal lists 2 3 Electro technical specification rev 8 3 Side 13 av 24 4 2 5 4 2 6 4 2 7 4 2 8 AU S r Norge Aluminium AS HYDRO Drawings etc for PLC Computer Controlled Plants In addition to the mentioned current flow diagram diagrams of inputs outputs for PLC units and an overview of used card types and outputs inputs must be included Furthermore a program for the concerned PLS system is delivered The PLC programs shall be developed on PC program version in accordance with agreement The program shall be transparent so that troubleshooting installations processes is made as simple as possible Both program structure and program must be documented in Norwegian or English After the installation is commissioned Seller is responsible for providing Buyer with the copy latest program version Apparatus List parts list Format A4 In the apparatus list all the electrical and electrically controlled apparatuses in the installation shall be included The list shall include a Quantity b Marking Position c Manufacturer d Description type ordering data Reference to current fl
36. uctor shall always have the same insulation as the phase conductor Cu shield shall never be used as Neutral Conductor N and PE shall only be connected with a detachable connection piece in the first distribution The ground conductor shall be colored yellow green in accordance with regulations No other connections shall be colored yellow or green PEN conductors shall be colored yellow green blue In cabinets black conductors shall be used for L L and L3 outer conductors Control power conductors 230V AC on the secondary side of the control power transformer shall be colored red For 220V DC the color violet shall be used TP 90 24V DC is performed with blue cable For power transformer loops the cross section must be adapted to Buyer s requirement for loop resistance Minimum cross section is 2 5 mm Black conductors are used both for power and voltage transformer loops Conductors with strange voltages and voltage from other installations shall be colored orange When using TP conductors reduced cross sections are not acceptable for what concerns conductivity and temperature PN and TP are regarded as being equal and shall be mounted in accordance with regulations as PN conductors For machine installations either 24V DC or 230V AC control power is used For 24V DC control power the negative pole shall be connected to ground Voltage Level Cable Color Note 24V DC control power Blu

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