Smart Electrical Power Distribution Centre

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2 Smart Electrical Pwer Distributin Centre Enhancing Electrical Test Bench Evaluatin f Mre Electrical Aircraft Technlgies Prject Crdinatr: Augustin MPANDA Presenter: Jean BESTER The research leading t these results has received funding frm the Eurpean Cmmunity's Seventh Framewrk Prgramme (FP7/ ) fr the Clean Sky Jint Technlgy Initiative under grant agreement n SP1-JTI-CS

3 SEPDC Cnsrtium Financers Cllabratins Three partners are invlved in the management, cnceptin and cnstructin f the SEPDC ESIEE-Amiens (Amiens, France): Prject management & simulatin Hazemeyer (Saint-Quentin, France): Electrical systems design and manufacturing Triphase (Heverlee, Belgium): Pwer electrnics, instrumentatin and cntrl design SAFRAN Labinal Pwer Systems (frmerly Hispan-Suiza) is the Tpic manager They are a member f the Ec-Design fr Systems as under Clean Sky 1 tgether with Agusta Westland, Alenia Aermacchi, Dassault Aviatin, Eurcpter, Fraunhfer, Liebherr, Safran, Thales

4 COPPER Bird Characterizatin & Optimizatin f Pwer Plant & Equipment Rig Cnstructed under the Pwer Optimised Aircraft (POA) prgramme (2002 till 2006). Used fr the validatin f new technlgies as develped fr Mre Electrical Aircraft Brught up-t-date t meet the requirements f Clean Sky Substantial upgrade made t its Electrical Pwer Distributin Center

5 SEPDC Objectives Smart Electrical Pwer Distributin Centre Design and manufacturing f a pwer distributin system fr testing and validatin f embedded devices (pwer surces, lads) fr use n future Mre Electric Aircraft t ensure perfrmance and dependability. Cntrlled pwer distributin with prgrammable prtectin devices between surces, lads and busbars. Intrduce a high level f recnfigurability t the COPPER Bird in rder t easily allw changing f its cnfiguratin between architectures fr Generic Architecture, Green Reginal Aircraft, Green Rtrcraft and Dysfunctinal Tests.

6 SEPDC Main Functins Cntrlled pwer distributin with prgrammable prtectin devices between surces, lads and busbars. Has tw main cmpnents: Central Cabinet which huses the s Functin f Central Cabinet Huse s Huse bus bars Functin f s Huse real-time target Cntrl: the cntrl f individual cntactrs and the ability t prgram different sequences Prtectin: Fast detectin f ver currents Visualizatin: visualizatin f the current, vltage RMS values and temperature Allws the intercnnectin f DC bus bars in a highly cnfigurable manner Real-time target t capture the measurements and cntrl the s

7 Specificatins and General Descriptin Main principle 2 DC lps : 1 HV (5 bus bars) + 1 LV (3 bus bars) 2 AC bus bars Main characteristics s: 30 instrumented s (availability t g up t 60 rack) 3 types f : Surce, Lad and Intercnnectin Vltage: HVDC : 270V DC and ability t g up t 540V DC HVDC LVDC : 28V DC AC : 2 x 3-phase 115V AC with the ability t g up t 2 x 3-phase 230V ac Current: DC : up t 400A / cntinuus AC : up t 350A / cntinuus Each bus bar up t 1000A

8 COPPER Bird and SEPDC Intercnnectin RTT SEPDC HVDC Main 1 LVDC Main HVDC Ess 1 LVDC Ess HVDC Main 2 LVDC Batt bars HVDC Ess 2 HVDC Emer 3ph AC Main 1 3ph AC Main 2 A/C Grund s Surce RTT Surce RTT Lad Surce Lad Real- Time Target (RTT) RTT RTT RTT RTT RTT RTT RTT Surce Surce Surce Lad Surce Feeders and Equipement COPPER Bird Cnver ter S/G GCU Lad DC Cnver ter APU GCU Lad AC Lcal Cntrl Centre Cmms Netwrk DC/DC Cnver ter FC GCU Lad DC Cnver ter Batt BMS

9 The Central Cabinet Huses all the busbars High Vltage DC 270V DC Lw Vltage DC 28V DC AC 115V AC r 230V AC 0/+28V DC, 0/+270V DC, 0/+540V DC, ±135V DC, ±270V DC, 115/230V AC Maximum rating f 1000V, 1000A RMS Huses the Triphase real-time target Huses prtectin circuitry fr industrial pwer (230V AC ) Has 60 psitins HVDC Main 1 HVDC Ess 1 HVDC Ess 2 HVDC Main 2 HVDC Emer LVDC Main LVDC Ess LVDC Batt Intercnnectin

10 The - The Instrumentatin Main switching element Able t huse any type, currently aerspace cntactrs and slid state pwer cntrllers (SSPCs) Current and vltage sensrs as requested by airframers Vltage and current sensrs by Triphase Current measurement: 400A rms cntinuus, ±450A peak (Range 1) and ± 4500A peak fr 50ms (Range 2) Vltage measurement: ±1000V peak Accuracy as % f full range: 0.25% fr vltage, 0.25% (Range 1) and 0.5% (Range 2) fr current, ±0.5A fr differential current Reslutin and sample rate: 16 bits at 51.2kHz Cntrller card Cnditining f measurements with temperature cmpensatin Cmmunicatin with real-time system Executes sftware prgrammable fuse Interfaces with and cntrls the main switching element Autmatic ffset cancellatin (very high ffset accuracy) and gain calibratin

11 Inside the s Cntrl Large scale data prcessing and real-time cntrl Prtectin Overcurrent Overlad Overvltage Undervltage Vltage unbalance Differential current Prgrammable fuse Instrumentatin Vltage measurements Current measurements Residual current measurements V&I Measurement V&I Measurement Cntrl Card Switching Element Ethernet Switch Real-time Target PC Running Realtime Linux

12 Current (A) Current (A) Measurements snapsht capability 2 secnds at 51.2kHz 4.4 AC Mtr Current 6 4 AC Mtr Current L1 L2 L Time (ms) Measurement snapsht shwing the input current f a 50Hz synchrnus mtr as being pwered by a VSD with a 1kHz switching frequency Time (ms)

13 Thank Yu fr Yur Time and Attentin