AEG Belgium customer day Telecom products & systems June 20th, 2012
Telecom applications A complete range of battery solution for the multitude needs of the modern networks 2
Context Multiplication of sites with the deployment of new Telecom generations and in new regions Cost and availability of Energy is always a constant concern In Asia Pacific, South America and Africa Deployment from urban population to rural Remote sites connected to the grid or not Frequent failures of the grid Stand Alone power sites (Genset/RES) In Western Europe and North America Reduce Opex by decreasing energy consumption (new generation of equipment, increase temperature to +35 C, ) Introduction of RES, free cooling,.. 3
Our battery s offer for Telecom Intensium 3 Energy Evolion 48V 2 300 Wh 48V 4000 Wh Tel.X SPH Intensium 1 Power Plus 4000 48V 4000W (*) Intensium Flex SUNICA+ 4
Suitable for all applications Remote site (BTS, ANU) Distributive Power CO On Grid site (BTS) Off Grid (BTS) Non-Reliable or No Grid Reliable Grid 5
Benefits of the Saft s ranges Long life (~same as equipment) Temperature resistant High reliability Lifetime in Years in the field 20 18 16 14 12 10 8 6 4 2 0 x 2 TLX: 14 years @+40 C continuous x 3.2 VRLA NCX x 5.2 25 30 35 40 45 50 Average Temperature (deg C) Smart Battery Systems Optimized TCO Available capacity End of Life Saft ages gracefully with NO thermal runaway risk NO sudden death VRLA sudden death Environmental friendly Life Duration of the equipment 6
TCO Comparison for wireless site in Spain: Cumulative Cost over Selected Analysis Period 12000 Cumulative Costs 10000 8000 6000 4000 2000 0 SAFT TLX Battery w/o AC VRLA with AC Currency 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Year Average Annual TCO Reduced by more than 50%! Time Period 15 years Summary of Cost Analysis TLX VRLA Cumulative Cost over time period 2788 9760 Average Cost per Year 186 651 7
Our Embedded Telecom base 8
Saft batteries for Telecom networks Saft Ni-Cd brings lower TCO (Total Cost of Ownership) and highest failsafe reliability in hostile environments Today, Saft Ni-Cd is the choice done for wireline & wireless networks in temperature controlled or non controlled sites Saft Li-ion offers maximum Energy and Power when space and life duration is at a premium : AT&T, Qwest in US Telefonica, Orange in Europe Saudi Telecom, Zain in ME Several major Telecom OEM s Have chosen Saft 9
TLX for more reliability
Typical Tel.X String Dead Top cover - (-48V) Cabled back to front with front Accessible connection point between adjacent blocks + (0) 11
TLX benefits Typical Benefits with Ni-Cd Long Life Highly Reliable (99.999 five nines ) Wide Temperature range -50 C to 70 C (-58 F to 158 F) Permanent mechanical integrity No destructive corrosion No sudden death Additional benefits with TLX Lighter, easier to handle and install Utilizes OSP footprints more efficiently Increases installed capacity in the same volume Requires no maintenance 12
Introduction to Li-Ion battery system
Battery chemistry comparison table Good cycling life Good Energy Very poor Charge efficiency Good energy density Short life at high temp. Sudden death Good cycling life at 25 C Low energy density Good cycling life Very poor energy density Frequent watering High energy density Long life at high temp Excellent cycling life Valve-Regulated Tubular Gel Flooded (wet) Sodium Nickel Lithium-ion LA (VRLA) LA (OPzV) LA (OPzS) Nickel Chloride Li-Ion Operating Voltage (V) 54.4-42.0 53.0 to 56.0 56.0-42.0 tempcompvoltage and low voltage Disconnect required Specific energy (Wh/kg) 30 to 40 22 18 to 20 80 to 90 100-130 Volumic energy (Wh/l) 75 to 95 30 to 50 30 to 40 90 to 100 120-171 Useful life at +20 C (years) 10 18 18 15 10-20 Useful life at +40 C (yeas) 2,5 4 4 15 5-10 Cycling life @ 80%DOD & +20 C 200-500 1200-1900 1400 2000 2000-4500 Manufacturer's recommended 1 year 1 year 3-6 months No No Maintenance intervall (Watering) Normal operation failure mode Dry out Open Circuit Open Circuit? gradual capacity Open circuit Sudden death failure Yes Yes Yes? No Deep discharge recovery Poor Poor Poor? Automatically Reconnect Intelligence and communication No No No Yes Yes loss 14
What is Li-ion? Sealed, non-aqueous, rocking-chair chemistry On Charge, ions moving from positive to negative on Discharge, vice versa Non-aqueous chemistry won t spill energy 15
Saft offers Li-ion Systems Three design pillars are needed to build a safe and reliable Li-ion Battery system Saft solution for Telecom NCA Technology Cylindrical cells Embedded BMS NCA or LiNiCoAlO 2 Iron phosphate or LiFePO 4 Cobalt or LiCoO 2 LiMnO 2 High Energy High Power Very High Power Ultra High Power Architecture Electronics Software Mechanical Thermal User Requirements 16
Why Lithium-ion in Telecom? Long calendar and cycle life Compact and light weight Sealed, without maintenance Very high charge efficiency: >95% Intelligence (Ch./Disch. management, SoC, Communication ) Safe technology Cost reduction in high volume production Fully recyclable 17
Environmentally friendly Positive impact on the environment : Energy consumption reduced Low carbon footprint Recyclability Lead Free 18
EVOLION Li-Ion battery for Modern Telecom
New Li-ion battery plant at Jacksonville s Evolion will be manufactured in Jacksonville (USA) New plant for mass production with room for further expansion Start of production Second Half of 2011 20
Lithium-ion in 48-V Telecom Applications 48V Li-Ion for Telecom 2003: First lab samples available First mass-production rack mounted version launched 2005 2010: wide array of manufacturers and products 2011: Arrival of second generation for outdoor hardened system Saft Evolion battery 48V 77Ah 21
Li-ion NCA key metric summary Intensium 1P+ Intensium 3 Evolion Technology NCA Li-ion NCA Li-ion NCA Li-ion Used in Bridging power/ups Cycling/hybrid/ standby Cycling/hybrid/ standby Wh/l 56 128 > 170 Wh/kg 41 96 > 130 Typical Backup > 3 min > 15 min > 2 hrs Max. Watts 4000/2000 3600 1820 Type Sealed organic Sealed organic Sealed organic 22
Design Overview 77 Ah 3,9 kwh 1 820 W 260 3 hrs charging time 216 404 <30kg RS485 communication bus 30 Kg 23
Specific Requirements 5- Packaging 1-Mechanical Rigidity 4- Safety Management 2- Water Tightness 3- Thermal Aspects 24
Front Panel 25
Connectors Both RJ45 connectors are linked together and have the same pinout Pin RJ45 1 RS485 A 2 RS485 B 3 GND_RS & Wakeup - 4 Wakeup + 5 NC 6 NC 7 Alarm - 8 Alarm + 26
Supervision software 27
Compliant to Telecom standards SAFETY > Telcordia GR 3150 level III IEC 60 950 NEBS level 3 UL 1642 ENVIRONMENT > GR 3108 class 3 ETSI 300 019 EC Marking EMC > GR 1089 NEBS level 3 EN 300 386 TRANSPORT > UN 3480 28
Evolion s Performances
Evolion: designed for the more severe Telecom environment High performance over a wide Temperature s range: - 40 C to +75 C Compatible with the Telecom chargers: 42.0 V to 56.0 V Good storage capability: 12+ months 30
Evolion State of charge Li-Ion cells: State of charge vs open circuit voltage 100 90 80 Measured SOC Linear approximation SOC = (V-3.3)/0.7 % State of charge (%) 70 60 50 40 30 20 10 0 3 3.2 3.4 3.6 3.8 4 4.2 Open circuit voltage (V) 31
Evolion : discharge characteristics Discharge curve from Cn/2 to Cn/16 rate Discharge curve at Cn/2 at different temperatures 32
Evolion : high cycling capability >8,200 cycles @ 50% DoD >4,300 cycles @ 80% DoD 33
Evolion Benefits Vs LA Combining Expertise in Telecom and Li-ion More energy per weight and volume 2 times smaller and 4 times lighter than VRLA High Calendar and cycle life > Calendar:20 years at +20 C & 10+ years at +40 C > Cycling: 4,300 cycles@80% DoD 3 to 5 times more than LA Fast charging capability 2 to 4 times faster than LA High charging efficiency 2 to 4 times less loss than LA 34
Lithium BatterySolution : Cutting edge technology for high performance UPS
Why Li-ion for UPS or HVDC? Compact, sealed, w/o maintenance Long calendar and cycle life: > 20 years at 60% DOD / day Very high efficiency: > 96% Smart Battery system (Alarms, SOC, SOH,..) Cost effective solution 36 2
Intensium Flex Systems For high power UPS in tight space environment 37
Intensium Flex Systems For high power UPS in tight space environments Modular System > From 110 V to 720 V > Medium Power & High Power Modules Synerion 48M (48V 42Ah) Synerion 48P (48V 28Ah) > Easy parallelism Very high Power > More than 800 W/l at module level > No need to oversize battery Ah to achieve Power > High Power capability: up to 15 kw in 1 min per 48V module with Synerion 48 P Light Weight Compact Solution Small Foot-print 38
Intensium Flex The architecture Example# 1 528V nominal Backup 150 kw -1 minute 11 modules Synerion48 P in Series Voltage Window: 462 616V 1 Control Module(BMM) 14 cells VL 30 P Balancing Cell voltage measurement Temperature measurement End of charge, end of discharge signals Battery Management Power switching Communication SOH/SOC, alarms 39
Intensium Flex The Architecture for parallelism Management of several Intensium Flex systems in parallel with a MBMM 40 Voltage : 462 / 616V 28Ah 150 kw 1 minute Voltage : 462 / 616V 28Ah 150 kw 1 minute IntensiumFlex system 452 / 616 V 84Ah for 450 kw over 1 min Voltage : 462 / 616V 28Ah 150 kw 1 minute
Terminals & mechanical integration Electrical interfaces : top of cabinet > M10 Power connections (OUT+ and OUT-) > Plastic circular connector 24Vdc supply (optional) > Plastic circular connector 230Vac supply (optional for other equipment s such as fan) > RJ 45 for CAN bus and Alarms (dry contacts) Mechanical interfaces : > 19 racks for modules and BMM installation > One door per face (perforated or not) > Specific integration rules depending of seismic constraint, sub-assembly transportation etc 41
Intensium Flex for 528 V / 150 kw 1 min back up System A System B System C Battery type Tubular Gel VRLA Vented LA Lithium-ion Battery kwh 36 75 16 Footprint (m2) 1,7 3,5 0,3 Weight (kg) 2620 3800 250 Volume (m3) 4,8 5,7 0,55 42
Intensium Flex System Main benefits 43
Interest of Saft Intensium Flex System High Power No need to oversize the battery 50% less kwh to be installed to meet the requirement Foot-print very limited Up to 80% of the surface saved Weight and Space very optimized Only 10 % space and weight of conventional solutions Long cycle life Less maintenance and replacement operation The best candidate for the New-Gen Data Center 44
Saft Thank you Any Questions?