MEUST infrastructure power system and control/command Power system  Onshore New power hut UPS Variable power  Offshore Artery cut Local energy DU supply Integration Control Command  Onshore Power hut organisation  Offshore Technology Network Network redundancy Internal organisation Hardware redundancy Optics Local energy management Software 1 Stéphane Théraube Michel Ageron Km 3 Net meeting CPPM 2013 jan 30 th

Supply a quality electrical energy : Electricity main supplier (EDF) UPS (company : S2S Onduleur) Restrict the flow of reactive power : Adjustable compensation inductance (company : Bernard et Bonnefond) Transmit an optimal voltage : Rotating field regulator Step-up transformer (company : Bernard et Bonnefond) Sources LV/HV Transformation Reactive Compensation 2 Power onshore

Size : 16 m² Total dissipated power with 6 full nodes= 45kW ( company : BMI Axelent ) Air conditioning (inverter technology) : Cooling power = 15kW/h Electrical power = 5kW/h COP : 3 (company : Caleco) 3 Power hut

 Static online  Autonomy = 10min at full load  Tolerance to unbalanced loads = 100% (no repercussion upstream of the UPS)  Maximum power = 250kVA (83kVA per phase)  Adjustable up to 5 modules of 30kVA, 40kVA or 50kVA  Efficiency ≥ 95%  Power Factor ≥ 94% UPS Micvar 4 Presently we have 3 x 30kVA modules We can supply one full node UPS

Specifications  Single-phase induction regulator 54 kVA : Primary = 230V, 230A Secondary = 100V to 360V, 150A  Single-phase elevator transformer 54kVA: Primary = 360V, 150A Secondary = 4100V, 13.2A, full load 3720V  Self balancing 40kVA : Voltage = 4100V Inductance = 1,10H / 1,47H  Global efficiency = 90%  Global power factor ~ 1 5 Manage variable power when connecting and disconnecting Same provider as antares Included transformer and self MICVAR: low level CC included MICVAR (Schneider Automaton) Ethernet modbusTCP Variable power Ordered and tested

External pression = 350bars 6 Node block diagram

 Artery cut (Schneider Electric) Allows insulation of nodes. Allows power on/off the nodes. Must be operated without HV: Put its 4 poles in series to hold 4000V Controllable with no load by a 24V local energy  Step-down transformer (RAE) Primary = 3400V Secondaries = 500V, 12kVA (supply power equipment) 230V, 750VA (supply local power control and optical system) Neutral grounded by resistance (compromise between optimization of current short circuit and overvoltage protection) 7 Node: HV management

AC input = 85V – 270V Input current at nominal load = 2,0A max at 230Vac Input current peak = <8,2A at 270Vac Protective circuit = Transcient voltage suppressor Varistor DC output = 22,5V – 30V Output current = 15A Current limiting = adjustable 0,5 … 1,2xIn Power = 360W (430W Boost) Residual ripple = <50mVpp Efficiency = 91% Parallel connection = Yes Cooling = selfcooling Overload protection integrated into device Short circuit proof (company : Feas) 8 2 AC/DC groups Node: local supplies For DU optics and external instrumentation For CC

 CPPM solution : type = lead-acid battery using gel technology. Equipressure conclusive tests have been made ​​recently in the COMEX.  Bennex solution : Type = lead-acid battery using AGM technology Voltage = 24V Capacity = 40A/h at 25 Pressure test certification up to 6000m 9 Control artery without HV Battery autonomy 1-2 days Node: rescued power, battery Ongoing tests

 Converter technical specifications : Output power = 240W Input Voltage = 450VAC - 500VAC ±15%, 50Hz Output Voltage = 370VDC - 400VDC Input / output insulation = 4kV Input and output reset protection Passive supply (no CC) Voltage ripple (Vpp) < 3 % Noise < 1 % Inrush current ≤ In Efficiency > 90 % Power Factor > 98%  DOM / DU characteristics, to be confirmed : DOM power = 10W DOM input Voltage allowed = 350VDC - 400VDC DU total voltage drop = 20V DU total power = 212W including losses in IL 10 Detection unit supply Autonomous module in the DU foot

 Air environment Protection equipments Optical modules Control system  Oil environment HV/LV transformer Artery cut AC/DC converters 11 Node: JB integration

DoneIn workTo do GeneralNetwork study in steady stateMEOC modeling Network study in transient state Study of start / stop system sequence Power hut Infrastructure building UPS ordered Variable power ordered and tested Electrical installation Air conditioning Safety equipments Equipment installations Node Cut artery defined and tested AC/DC converters delivered Step-down transformer Protection system Battery backup Current sensors Voltage sensors HV test with cable simulator DUStudy of the AC/DC converter 12 Power: project status

MEUST infrastructure control/command T H C V Digital out Digital in Analog in Re Br Switch offshore onshore 13

Control/command: onshore management Switch PC supervisor Digital out Digital in Analog in UPS Possible links RS232, USB, modbusTCP Variable power modbusTCP API is done and tested Securities Environnement variables 14

Control/command: technology Switch: Microsens MS Redundant 24V supply DIN rail fixing, MTBF 65 years -20°C à 60°C Protected against overvoltage Connectors : 3 x SFP, 8 x RJ-45 7x 10/100Base-TX Cu auto crossing 3x 1000Base-X slot SFP Manageable via SNMP, Telnet, web Updatable firmware Need switch and IO boxes Rugged hardware Choosed in industrial range Ethernet IO box: MOXA IoLogic, DIN rail fixing, MTBF 30 years 24V supply, -20°C à 60°C Protected against overvoltage Connectors : 2 switched 10/100Base- TX RJ-45 Updatable firmware Analog in, digital in and digital out Internal safe mode Linux compatible library Push technology with OPC 15

Control/command: network PC supervisor Master onshore Node 1 Node 2 Node 3 ring OffshoreOnshore 16

Single mode 1f bidi PC supervisor Node 1 17 Doubling switches in all nodes Increase fault tolerence Step by step installation, need management multimode Single mode 2f Control/command: network redundancy installing node 1

bidi PC supervisor Node 1Node 2 18 Doubling switches in all nodes Increase fault tolerence Control/command: network redundancy Installing node 2

bidi PC supervisor Node 1Node 2Node 3 19 Doubling switches in all nodes Increase fault tolerence Control/command: network redundancy Installing node 3

Base cell for redundancy Control/command: internal organization DO5 DI5 Process SW1 SW2 DO7 DI6 AI7 DO2 DI1 AI0 AI1 AI DO DO Process: 37 Dig Out 27 Dig In 29 Analog In DI0 DO0 AI5 AI6 Copper links Optical links As in Antares, information channeling was duplicated 20

Control/command: internal organization, base cell SW1 SW2 sensor EnDis Manageable switch IP assignment: Node number Box type 1, 2, 3, 4 Box number AI0 AI5 AI5 21

Control/command: block diagram 22 Optical links 1 bidirectionnal fibre Onshore Node 1 Node 2 Node 3 Sensor Actuator Sensor Offshore UPS Variable power PC supervisor Switch

Control/command: DU optics management Some parts of km3 optical network have to be managed by infrastructure CC in the node and DU foot Optical amplifier gain, optical switch for calibration A A A cmd status cmd status cmd status rs232 eth Transparent task Calibration control task Optical amplifiers Optical switches PC infrastructure CC PC Km3 control rs232 out in out in out in Serial converter Dig out Dig in eth Inter Process Communication 23 Control gain from panel task

Control/command: local energy management From battery From battery Artery management has to be operated out of HV Supply a minimum of 1 pair of IOboxes of each type with battery 24

Control/command: software 25 Choosed qt4 as development environment Open, portable, comprehensive and free environment  Done modbusTCP module for variable power Configuration model able to match hardware and its evolution Talking modules receiving data engine  Todo Implement a safety scheme (artery cut, manage rescued power, …) Alarm and defaults management Supervisor Logger