:= = := :=.. := := := := ρ := := α := π α = α = := = :=

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Monika Sedláková
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1 := = := :=.. := := := := ρ := := α := π α = α = := = :=

2 := α := α := = := α := := α = =

3 ρ ρ := :=

4 := = := = := := := + + := + + := + := := := := + + := + + := +

5 = = =

6 :=.. := η := η := := π = :=.. :=, := := := := :=, η η :=, := η η

9 := := η η = := η η := η η := := =

10 υ υ := υ υ = = υ, υ := ρ ρ := :=, + := υ, + + := υ, + + := υ, + := υ

11 , + + := υ, + + := υ

Rechargeable lithium-ion battery VL 52 E - high energy cell Benefits Excellent power density and specific energy 100% coulombic efficiency Low maintenance battery Long cycle life No memory effect

13 Rechargeable lithium-ion battery VL 52 E - high energy cell Benefits Excellent power density and specific energy 100% coulombic efficiency Low maintenance battery Long cycle life No memory effect Typical applications High energy applications Defense Space Key features Graphite-based anode Nickel alloy oxide-based cathode Sold only as assembled batteries Incorporation of electronics for performance efficiency: - Charge/floating/discharge management - Cell balancing Electrical characteristics Nominal voltage 3.6 V Lower voltage limit for discharge 2.5 V Maximum discharge current at RT continuous 52 Amps Nominal capacity at 4.1 V/2.5 V and 25 C 52 (C/7) Ah Specific energy* 185 Wh/Kg Energy density* 385 Wh/l Mechanical characteristics Nominal diameter 54 mm Nominal height 208 mm Nominal weight 1.0 kg Nominal volume 0.48 l Cell operating conditions Charge method Constant current/constant voltage (CCCV) Charging voltage V Recommended continuous charge current at 25 C C/7 Operating temperature: Charge + 5 C to +35 C Discharge - 25 C to + 55 C Storage and transportation temperature - 40 C to + 65 C End of charge detection 150 ma Total RT charging time 10 hours ¹Includes terminals *Charge to 4.1 V and C/10 rate Battery level safety Incorporation of several levels of redundant safety features to prevent abuse conditions such as overcharge, over discharge and short circuit August 2008

VL 52 E 4.1 3.9 Rate capability at 25 C from 4.1 V to 2.5 V C/10 C/5 C/3 C/2 C-Rate Loaded cell voltage (V) Loaded cell voltage (V) 3.7 3.5 3.3 3.1 2.9 2.7 2.

14 VL 52 E Rate capability at 25 C from 4.1 V to 2.5 V C/10 C/5 C/3 C/2 C-Rate Loaded cell voltage (V) Loaded cell voltage (V) Capacity (Ah) Rate capability at C/5 from 4.1 V to 2.5 V C 0 C 20 C 55 C Capacity (Ah) Saft America, Inc. Space & Defense Division 107 Beaver Court Cockeysville, MD USA Tel Fax Doc N o : Edition: August 2008 Data in this document are subject to change without notice and become contractual only after written confirmation by Saft. Published by the Communications Department Photo credit: Saft Produced by Saft Space & Defense Division

2 Technical ratings: Warning! Hazardous voltages are accessible on the printed circuit boards. In case of damages or technical operations, please disconnect the DC- DC and call MES-DEA.

16 2 Technical ratings: Warning! Hazardous voltages are accessible on the printed circuit boards. In case of damages or technical operations, please disconnect the DC- DC and call MES-DEA. Only authorized personnel can operate on the converter. Parts 1000W converter Working input voltage range From 100VDC to 400 VDC *1 Min. input full power 190V *1 Output voltage (with 50 charge) 14.5VDC Output voltage (full power)@ U in >190VDC ~13.3VDC Max. rms input current 6A Max. continuous output current 75A *2 Inrush current U in =400V ; U in =200V U OUT ripple 75A Output current 650mV rms Internal input fuses 1x16A F / 600V External output fuses 100A FF for semiconductor protection *3 Output impedance (off-mode) >500k Control interface IP degree Enable control, Fault control IP54, except the fan Reverse polarity protection No Over-temperature protection Yes *4 Cooling system By FAN model Papst Multifan V or equivalent mounted on the heat sink, automatically controlled full power >90% Max. encumbrance (l x w x h) [mm] 294x155x130 Notes: *1: the converter can supply full-power with an input voltage above 190VDC; if the input voltage goes under 190VDC, the converter can supply a limited power and the output voltage decreases (due to internal input impedance). If the input voltage goes above 400VDC or under 100Vdc the converter turns itself off, when the input voltage will return in the right window it tries to restart after few seconds. With an external 50Ω output load, the output voltage is fixed to 14.5V; when the input voltage at full power is above 190V, the output voltage decrease at ~13.3V. Doc. No. UM-DCDC converter 1kw V PIC GEN_en.doc Rev. 1.2 Page 5 di 12

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