8DA10 and 8DB10 Single and Double Busbar
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8DA10 and 8DB10 Single and Double Busbar Flexible and powerful Infrastructure & Cities Welcome! © Siemens AG 2008 Page 2 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 Main Applications for Medium-Voltage Switchgear Power generation Power stations G Power transmission High and extra-high voltage > 72 kV 8DAB10 NXPLUS Secondary distribution level Medium voltage up to 24 kV up to 25 kA (1s) 8DJ10/20 8DH10 NXPLUS C x x x Primary distribution level Medium voltage up to 40.5 kV up to 40 kA (3s) x x x x x x SIMOSEC x Distribution level Low voltage < 1 kV © Siemens AG 2008 Page 3 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DA/B10 Content Technical features and general information Technical Data Typical Overview, fixtures and fittings Panel Desgin • Circuit-breaker Panel • Busbar • Operation • Metering • Low-Voltage Compartment • Cable Connection • Feeder Earthing, Cable Testing • Interlocks Classification according to IEC 62 271-200 Customer‘s Benefit © Siemens AG 2008 Page 4 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DA/B10 Technical Features Up to 40.5 kV, 40 kA (3s), 5000 A busbar, 2500 A feeder Metal-enclosed Single-busbar system ( 8DA10 ) Double-busbar-system ( 8DB10 ) Gas-insulated Hermetically single-pole enclosed Factory-assembled, type-tested switchgear according to IEC 62 271-200 © Siemens AG 2008 Page 5 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DA/B10 General Information Market introduction in March 1982 Worldwide successful operation The gas-insulated circuit-breaker switchgear for application in nearly all branches like Airports & Ports Automotive Buildings Cement Industries Chemicals & Pharma Mining Oil & Gas Paper Industries Steel & Aluminium Utilities Transportation & Railways More than 63,900 panels 8DA/B (September 2011) delivered Our experiences are based on more than 130,000 delivered panels for gas-insulated circuit-breaker switchgear (primary distribution level) © Siemens AG 2008 Page 6 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DA10 Technical Data Rated voltage kV 12 24 36 40,5 Rated frequency Hz 50/60 50/60 50/60 50/60 Rated short-duration power-frequency withstand voltage kV 20 50 70 85 Rated lightning impulse withstand voltage kV 75 125 170 185 Rated peak withstand current kA 100 100 100 100 Rated short-circuit making current kA 100 100 100 100 Rated short-time withstand current, 3 s kA 40 40 40 40 Rated short-circuit breaking current kA 40 40 40 40 Rated normal current of busbar A 5000 5000 5000 5000 Rated normal current of feeder A 2500 2500 2500 2500 Primary part IP65 IP65 IP65 IP65 Secondary part IP3XD IP3XD IP3XD IP3XD Degree of protection Dimensions Width mm 600 600 600 600 Depth mm 1625 1625 1625 1625 Height ( Standard ) mm 2350 2350 2350 2350 © Siemens AG 2008 Page 7 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DB10 Technical Data Rated voltage kV 12 24 36 40,5 Rated frequency Hz 50/60 50/60 50/60 50/60 Rated short-duration power-frequency withstand voltage kV 20 50 70 85 Rated lightning impulse withstand voltage kV 75 125 170 185 Rated peak withstand current kA 100 100 100 100 Rated short-circuit making current kA 100 100 100 100 Rated short-time withstand current, 3 s kA 40 40 40 40 Rated short-circuit breaking current kA 40 40 40 40 Rated normal current of busbar A 5000 5000 5000 5000 Rated normal current of feeder A 2500 2500 2500 2500 Primary part IP65 IP65 IP65 IP65 Secondary part IP3XD IP3XD IP3XD IP3XD Degree of protection Dimensions Width mm 600 600 600 600 Depth mm 2665 2665 2665 2665 Height ( Standard ) mm 2350 2350 2350 2350 © Siemens AG 2008 Page 8 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DA11/8DA12 ( Traction Power Supply ) Technical Data Rated voltage kV 15 25 Rated operation voltage kV 17,5 27,5 Rated frequency Hz 16,7 50/60 Rated short-duration power-frequency withstand voltage Earth kV 50 95 Isolation kV 60 110 Earth kV 125 200 Isolation kV 145 220 Rated short-circuit making current kA 80 80 Rated short-circuit breaking current kA 31,5 31,5 Rated normal current of busbar A 2500 2500 Rated normal current of feeder A 2000 2000 Primary part IP65 IP65 Secondary part IP3XD IP3XD Rated lightning impulse withstand voltage Degree of protection Dimensions Width mm 600 600 Depth ( 1-pole, 2-pole ) mm 865/1245 865/1245 Height ( Standard ) mm 2350 2350 © Siemens AG 2008 Page 9 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DA10 Typical Overview Circuit-breaker Panel Disconnector Panel Bus Sectionalizer © Siemens AG 2008 Page 10 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DA10 Fixtures and Fittings Circuit-breaker Panel © Siemens AG 2008 Page 11 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DA10 Fixtures and Fittings Disconnector Panel © Siemens AG 2008 Page 12 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DA10 Fixtures and Fittings Bus Sectionalizer © Siemens AG 2008 Page 13 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DA10 Fixtures and Fittings Bus Sectionalizer without additonal required space © Siemens AG 2008 Page 14 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 Circuit-Breaker Panel 8DA10 Single-Busbar System Low-voltage compartment Installation of secondary devices Busbar housing Light-metal vessel Operating mechanism for three-position switch Disconnector and earthing switch Circuit-breaker housing Light-metal vessel Operating mechanism for circuit-breaker Vacuum switching technology Cable connection Inside-cone system © Siemens AG 2008 Page 15 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 Circuit-Breaker Panel 8DB10 Double-Busbar System Low-voltage compartment Installation of secondary devices Busbar housing Light-metal vessel Operating mechanism for three-position switch Disconnector and earthing switch Three-position switch housing Light-metal vessel Operating mechanism for circuit-breaker Vacuum switching technology Circuit-breaker housing Light-metal vessel Cable connection Inside-cone system © Siemens AG 2008 Page 16 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 Circuit-Breaker Panel 8DA11/12 1-Pole and 2-Pole Traction Systems Low-voltage compartment Installation of secondary devices Busbar housing Light-metal vessel Operating mechanism for three-position switch Disconnector and earthing switch Circuit-breaker housing Light-metal vessel Operating mechanism for circuit-breaker Vacuum switching technology Cable connection Inside-cone system © Siemens AG 2008 Page 17 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DA/B10 Busbar current up to 5000A Busbar 5000 A Example 8DA10 Twin busbar housing Busbar up to 4000 A Busbar Busbar housing Busbar Three-position switch Pole housing © Siemens AG 2008 Page 18 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DA10 Operation of Three-position Switch Switch position indicator Disconnector switch Operating shaft Earthing switch Operating shaft Disconnector switch Switch position indicator Earthing switch Switch position indicator Circuit-breaker switch Preselection key © Siemens AG 2008 Page 19 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DA10 Operation Switch position indicator Disconnector switch Switch position indicator Circuit-breaker switch Operating shaft Disconnector switch / Earthing switch Raedy-for-service indicator Preselection key Filling valve Switch position indicator Earthing switch Opening for charging the circuit-breaker spring by hand ON pushbutton Circiut-breaker switch “Spring charged” indicator OFF pushbutton Circiut-breaker switch De-earthing interlock Counter © Siemens AG 2008 Page 20 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DA/B10 Current Measurement Ring-core current transformers Main circuit as primary part without dielectric and thermal problems Secondary part accessible outside the enclosure without danger Current transformer Fitted at busbar Current transformer Fitted at pole housing Free of dielectrically stressed cast-resin parts Current transformer Fitted at cable housing Current transformer Fitted at cable © Siemens AG 2008 Page 21 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DA/B10 Voltage Measurement Voltage transformer Voltage Transformer Fitted at busbar Single-pole insulated Metal-enclosed Type 4MT3 Type 4MU4 Plug-in type At the busbar: Surge-proof for 80 % UP repeat test with connected transformer Voltage Transformer Fitted at cabel housing Type 4MT7 Type 4MU3 © Siemens AG 2008 Page 22 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DA/B10 Low-Voltage Compartment Height: 850 mm 1200 mm (option) Removable, bus wires and control cables plugged in (via 6 or 10-pole coded module plug connectors) Panel control via conventional control devices or digital bay controller Customer-specific equipment (protection, control, metering, annunciation) Wiring in H07VK, optionally also heatresistant and halogen-free © Siemens AG 2008 Page 23 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DA/B10 Panel Connection – Inside Cone according to IEC 50 181 Maintenance-free due to inside cone plug-in system For connection type sizes 2, 3 und 4 (depending on cable cross section) 1 to 6 cables possible per phase Cable connection with different connection types / sizes realisable Plug-in voltage transformer and surge arrester realisable Single cable connection Multiple cable connection © Siemens AG 2008 Page 24 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DA/B10 Fully Insulated Bar Connections Fully insulated bar Gas-insulated bar for rated normal current up to 2500 A for rated normal current up to 2500 A © Siemens AG 2008 Page 25 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DA/B10 Cable Earthing with the Circuit-Breaker 1) Close three-position switch / Earthed position Earthing prepared Electrical OFF-signals are suppressed 1) 2) Close circuit-breaker switch / ON position Outgoing / Feeder earthed 3) Secure switch position “Outgoing/Feeder earthed with padlock 2) 3) Circuit-breaker is blocked mechanically Signal: Outgoing / Feeder earthed (option) © Siemens AG 2008 Page 26 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DA/B10 Cable testing Cable test with DC voltage or AC voltage 0.1 Hz Three-position switch and circuitbreaker in OFF position Cable fault location with lightning impulse voltage Full operating voltage at the busbar © Siemens AG 2008 Page 27 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DB10 Typical Overview Circuit-breaker Panel Bus Coupler Bus Sectionalizer © Siemens AG 2008 Page 28 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DB10 Fixtures and Fittings Circuit-breaker Panel © Siemens AG 2008 Page 29 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DB10 Fixtures and Fittings Bus Coupler © Siemens AG 2008 Page 30 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DB10 Fixtures and Fittings Bus Sectionalizer © Siemens AG 2008 Page 31 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DB10 Operation Filling valves Switch position indicator Disconnector switch BB2 Raedy-for-service indicators Switch position indicator Disconnector switch BB1 Operating shaft Disconnector switch BB2 Switch position indicator Circuit-breaker switch Preselection key Switch position indicator Earthing Opening for charging the circuit-breaker spring by hand ON pushbutton Circiut-breaker switch “Spring charged” indicator OFF pushbutton Circiut-breaker switch Counter De-earthing interlock © Siemens AG 2008 Page 32 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DA/B10 Interlocks (Selection) Interlocks are designed according to IEC 62 271-200 Standard interlocks Three-position disconnector against circuit-breaker – mechanical Disconnector against earthing switch (within three-position disconnector) – mechanical Locking device at the circuit-breaker switch Locking device at the three-position disconnector switch Additional interlocks Electromagnetic interlock at the three-position switch / disconnector switch Electromagnetic interlock at the three-position switch / earthing switch © Siemens AG 2008 Page 33 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 Special feature - Single-pole enclosure Example 8DA10 L3 L2 L1 Advantage of single-pole enclosure Exclude phase-to-phase short circuits. In worst case only phase-to-earth short circuits could happen. Minimizing of fault risks. © Siemens AG 2008 Page 34 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 Special feature - Multiple-Vessel-Principle 8DA10 Busbar and circuit-breaker are single-pole enclosed within different vessels Measures in case of faults at circuit-breaker or cable connection: Shut down of the busbar is not necessary Replacement of panels is possible, while busbar is under high voltage operation Single-phase enclosure 2 Compartments 6 Vessels ► Shut down is only for the damaged panel necessary © Siemens AG 2008 Page 35 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 Special feature - Multiple-Vessel-Principle 8DB10 Busbar and switching devices are single-pole enclosed within different vessels Measures in case of faults at switching devices or cable connection: Shut down of the busbar is not necessary Replacement of panels is possible, while busbar is under high voltage operation Single-phase enclosure 5 Compartments 15 Vessels ► Shut down is only for the damaged panel necessary © Siemens AG 2008 Page 36 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 Special feature - Multiple-Vessel-Principle Statement 8DA10 and 8DB10 Maximum reliability of supply No disconnecting of the busbar while outgoing feeder will be repaired or replaced. Extension 8DB10 without shutdown of the busbar. © Siemens AG 2008 Page 37 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DA/B10 Classification according to IEC 62 271-200 Partition Class: PM Loss of Service Continuity Category: LSC 2B Accessibility of Compartments: Busbar compartment: tool-based Switching device compartment: tool-based Low-voltage compartment: tool-based Cable compartment: tool-based Internal arc classification: IAC A FLR 40 kA 1 s © Siemens AG 2008 Page 38 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DA/B10 Customer’s Benefit Security of Operation, Reliability Personal Safety Environmental Independence Compactness Maintenance-free Design for Devices Economy, Ecology © Siemens AG 2008 Page 39 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DA/B10 Security of Operation, Reliability Our solution Your benefit Hermetically enclosed system Two and three-phase short circuits not possible because of single-phase encapsulation Current transformers outside the gas compartments Independent of the environment, maintenance-free, no condensation, no oxidation Metal-enclosed voltage transformers plugged in from outside Hermetically enclosed busbar system Fast transformer replacement possible Modular design Minimum use of insulating material No dielectric and dynamic stress for current transformers Type and routine tests, quality management Restriction of failure by compartment Reduced fire load NC production processes MTBF (> 3,000 years at the moment) © Siemens AG 2008 Page 40 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DA/B10 Maximum Security of Operation Separate compartments for busbar and circuit-breaker offer a maximum degree of availability Busbar ( in operation ) Attention: High voltage Feeder earthed ( earthing ) Circuit-breaker Access without danger to current transformer, feeder voltage transformer, cable plugs, operating mechanisms © Siemens AG 2008 Page 41 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DA/B10 Personal Safety Our solution Your benefit Hermetically enclosed system Internal arc classified according to IEC 62 271-200 for 1 s Touching of live parts excluded, extremely high degree of protection of the primary part Logical mechanical interlocks Accidental opening of vessel excluded Capacitive voltage detection system Access to switching devices not required due to maintenance-free design Make-proof earthing through the circuit-breaker Maloperation excluded Verification of safe isolation from supply without opening the enclosure © Siemens AG 2008 Page 42 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DA/B10 Environmental Independence Our solution Your benefit Hermetically encapsulation no adjustment and lubrication Insensitive to aggressive environments (salt water, tropical areas, dust, humidity, chemical pollutants), no oxidation of contacts and bolted joints, no condensation, no pollution layers on insulators, no resinifying grease Hermetically enclosed busbar system Continuous insulation quality Enclosed cable plugs, No ingress of foreign bodies, small animals Hermetically enclosed pressure system Maintenance-free switching devices and operating mechanisms, screened, independent of the environment Independent of site altitude © Siemens AG 2008 Page 43 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DA/B10 Compactness Our solution Your benefit SF6-insulation, compact construction Minimum space requirements, building volume saved, efficient use of existing rooms, reduced volume for new constructions, compact design reduces transport and installation costs to a minimum Combined disconnector and earthing switch, compact switch design Economic use of space in urban areas, installation in conurbation, load centres to minimise transmission losses SIPROTEC bay controller: Digital control, interlocking and protection system, compact secondary systems with high functional density © Siemens AG 2008 Page 44 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DA/B10 Maintenance-free Design for Devices Our solution Your benefit Hermetically enclosed pressure system Maximum reliability of supply and availability, no shutdowns for maintenance Maintenance-free switching devices and operating mechanisms, no adjustment and lubrication Hermetically enclosed busbar system Sealed for lifetime (according IEC 62 271-200) Enclosed cable plugs, screened, independent of the environment Low maintenance costs, minimized operational costs Highly economic investment © Siemens AG 2008 Page 45 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DA/B10 Economy, Ecology Our solution Your benefit Maintenance-free switchgear Compact construction Minimized operator expenses, high availability Economic production Reduced transport costs SF6 only used in hermetically sealed pressure system Minimum requirements regarding the building 100 % SF6-recycling by means of special tools Minimized transmission losses by installation in load centres Identified, recyclable insulating material Reliable, calculable disposal Listing of all materials used © Siemens AG 2008 Page 46 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DA/B10 MTBF (1) The term major failures and minor failures are taken from the CIGRE publication of the work group 13.06 “Reliability of High Voltage Switchgears”. Definition: MTBF Meantime between failure Major failure (MF) Complete failure of a panel which causes the lack of one or more of its fundamental functions. NOTE: A major failure will result in an immediate change in the system operating e.g. the backup protective equipment being required to remove the fault, or will result in mandatory removal from service for non scheduled maintenance (Intervention required within 30 minutes). Minor failure (mF) Failure of a panel other than a major failure or any failure, even complete, of a constructional element or a subassembly which does not cause a major failure of the panel. MTTF Meantime to failure © Siemens AG 2008 Page 47 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DA/B10 MTBF (2) Download from the Intranet © Siemens AG 2008 Page 48 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DA/B10 References Selected Projects (1) Kulmbach / Germany 8DA10 / 16 panels 24 kV / 16 kA (3s) / 1250 A First SIEMENS gas-insulated medium-voltage switchgear (March 1982) © Siemens AG 2008 Page 49 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DA/B10 References Selected Projects (2) Tibet / China 8DA10 205 panels 40.5 kV / 31.5 kA (3s) / 1250 A Site altitude: 3000 – 5000 m © Siemens AG 2008 Page 50 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DA/B10 References Selected Projects (3) GECOL / Libya 8DA10 and 8DB10 1398 panels 36 kV / 40 kA (3s) / 2500 A © Siemens AG 2008 Page 51 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 8DA/B10 References Selected Projects (4) Emirates Palace Hotel 8DB10 117 panels 12 kV / 31,5 kA (3s) / 2500 A © Siemens AG 2008 Page 52 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2 Thanks for your attention. 8DA/B10, the gas-insulated switchgear up to 40,5 kV, 40 kA (3 s), 5000 A busbar, 2500 A feeder © Siemens AG 2008 Page 53 October 1st 2011 8DA/B10 Infrastructure & Cities Sector / IC LMV MV 2
