Elektrische Antriebstechnik Eine neue Chance in Mobilen Arbeitsmaschinen Dr. Joachim Sobotzik John Deere, Enterprise Electric Drive Services Group
ElektrischeAntriebstechnik
Eine neue Chance in Mobilen Arbeitsmaschinen
Dr. Joachim SobotzikJohn Deere, Enterprise Electric Drive Services Group
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Electric Drives: Providing New Opportunities?
2 Dr. Joachim Sobotzik | VDI Workshop Electrification 2013 | Wieselburg, Austria
Sources: KvernelandRauch, Amazonen Werke,ZF
Key applications:
• Engine auxiliaries
• Attachments / Implements
• Traction Drives
• Energy Storage
Key applications:
• Engine auxiliaries
• Attachments / Implements
• Traction Drives
• Energy Storage
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Review Engine Auxiliary Drives
3Dr. Joachim Sobotzik | VDI Workshop Electrification 2013 | Wieselburg, Austria
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7430/7530 EPremium: Performance Impact
Fully variable radiator fan drive:allows singnificant increase of boost range
positive impact on transmission lossesacceleration improvement
Dr. Joachim Sobotzik | VDI Workshop Electrification 2013 | Wieselburg, Austria
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Tractor:Power Generation
Excellent Controllability
Improved Distribution
Electric Drive Systems
HV Interface
Transport (Fliegl)
Green Land (Poettinger)
Fertilizing (Rauch)
Tractor & Implement: One System
Customer Value Added: Productivity & Automation (TIM)
Optimum Integration
Dr. Joachim Sobotzik | VDI Workshop Electrification 2013 | Wieselburg, Austria5
Review Tractor/Implement-Electrification
Customer Value Chain
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ISOBUS:ISOBUS:Operator InterfaceOperator InterfaceFunctional SafetyFunctional Safety
Compatibility with conventional drivesCompatibility with conventional drives
Dr. Joachim Sobotzik | VDI Workshop Electrification 2013 | Wieselburg, Austria
Traktor & Implement: One System, Plug & Play
Electric Drive:Electric Drive:Tractor/Implement SystemTractor/Implement System
No impact on job controller HWNo impact on job controller HWPower contactsDC / AC
Leading contact for EPBC
Real time Ethernet compliant data interface
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• Implement Connector Box
• Coolant pump
• Heat exchanger
• Power electronics
• Generator
7 Dr. Joachim Sobotzik | VDI Workshop Electrification 2013 | Wieselburg, Austria
John Deere 6210RE: Modular System Architecture
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Application: fertilizer spreader operation
source:Rauch
Fast and precise adjustment of width & massflow
Combination w/ GPS & automation
Dr. Joachim Sobotzik | VDI Workshop Electrification 2013 | Wieselburg, Austria
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“wheel tracing significantly improved in cross hillside operations“…
Application: Traction Axle, Trailer
9 Dr. Joachim Sobotzik | VDI Workshop Electrification 2013 | Wieselburg, Austria
+8kNTractive force
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Review the 644K Hybrid Loader
• New in 2013• Electric Traction Drive System• 6.8l/232HP
10 Dr. Joachim Sobotzik | VDI Workshop Electrification 2013 | Wieselburg, Austria
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Deere Exclusive Hybrid Drive Train System
• Deere PVX 6068 IT4 Engine• Brushless AC Generator & Motor• Deere Exclusive Gear Box & Transmission• Deere Power Electronics• Quad Cool System• Water Cooled Brake Resistor
11 Dr. Joachim Sobotzik | VDI Workshop Electrification 2013 | Wieselburg, Austria
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Specifications – Side by side
644K Conventional
644K Hybrid
% Change
Engine PowerTech PVX 6090
PowerTech PSX 6068
Net peak Power kW (hp) 173 (232)
174 (233) Same
Full Turn Tip-load (40 degree) kg (lb.)
13,104 (28,889)
12,243 (26,992) -6.5
Operating Weight kg (lb.) 18,333 (40,417)
18,341 (40,436) Same
12Dr. Joachim Sobotzik | VDI Workshop Electrification 2013 | Wieselburg, Austria
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Maximum Speed Ranges
Range 644K km/h (mph)
644K Hybridkm/h (mph)
F1 7.8 (4.9) 7.5 (4.5)F2 13.4 (8.3) 14.0 (8.7)F3 22.6 (14.0) 25.0 (15.5)F4 27.4 (17.0) 40.0 (24.9)F5 40.0 (24.85) NA
R1 8.2 (5.1) 7.5 (4.5)R2 13.6 (8.5) 14.0 (8.7)R3 28.8 (17.9) 25.0 (15.5)R4 NA 40.0 (24.9)
13 Dr. Joachim Sobotzik | VDI Workshop Electrification 2013 | Wieselburg, Austria
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Reduced Fuel Consumption at 1800 RPMIT4
Conventional Hybrid Hybrid vs. IT4 Conventional
Truck Loadinggal/hr 9.6 6.3 -34.4%tons/gal 103 159 54.4%tons/hr 987 1000 1.3%Stockpilinggal/hr 7.01 5.91 -15.7%tons/gal 28.5 35.5 24.5%tons/hr 200 210 5.0%Transportgal/hr 6.90 6.20 -10.1%miles/gal 3.36 3.73 11.0%miles/hr 23.15 23.10 -0.2%Compositegal/hr 8.58 6.17 -24.5%prod/gal 37.8%
Dr. Joachim Sobotzik | VDI Workshop Electrification 2013 | Wieselburg, Austria
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Hybrid 1800 rpm vs 1500 rpm operationHybrid
1800 rpmHybrid
1500 rpmHybrid 1500 rpm
vs. Hybrid
Truck Loadinggal/hr 6.3 5.1 -19.0%tons/gal 159 178 12.2%tons/hr 1000 908 -9.2%Stockpilinggal/hr 5.91 4.36 -26.2%tons/gal 35.5 41.5 16.8%tons/hr 210 181 -13.8%
Truck Loading vs Conventional • 46% less fuel with only an 8% less productivity!
Stockpiling vs Conventional • 38% less fuel with only an 9% less productivity!
Dr. Joachim Sobotzik | VDI Workshop Electrification 2013 | Wieselburg, Austria
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Quieter – Noise Levels
1800 RPM Test 644K IT4Conventional
644K Hybrid Difference
Inside Cab 70 dBA 68dBA -2 dBA
Outside Cab 105 dBA 102 dBA -3 dBA
16 Dr. Joachim Sobotzik | VDI Workshop Electrification 2013 | Wieselburg, Austria
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Hybrid Target Customers
High HoursHigh Load ApplicationsSustainability Sensitive
• Waste Customers• Municipalities• Urban Customers
17 Dr. Joachim Sobotzik | VDI Workshop Electrification 2013 | Wieselburg, Austria
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Selling the Hybrid
Demo, Demo, Demo..• Customers have to experience the performance• Ease of Operation for below average operators• Quiet Operation• Higher Reverse Speed
Governmental – Get Written in the Spec
18 Dr. Joachim Sobotzik | VDI Workshop Electrification 2013 | Wieselburg, Austria
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John Deere strategy in power electronics
Dr. Joachim Sobotzik | VDI Workshop Electrification 2013 | Wieselburg, Austria19
Deliver highly integrated drive trains to optimize application specific performanceIn house capabilities in Vehicle Electrification• Tailored power train components• System controls deliver integrated features• Power electronics for high voltage - high power
inverters, custom low voltage applicationsSupply partners for other key components• Motors, energy storage, brake choppers • DC-DC converters, lower power - high voltage
inverters, common low voltage invertersOEM partners for application sharing
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Performance PD300 PD550 Single PD550 DualPeak Current under evaluation 550 A rms @ 25% duty 550 A rms @ 25% dutyContinuous Current 300 A rms 420 A rms 420 A rms eachKVA @ 320 VDC 96 KVA 134 KVA 134 KVAKVA @ 700 VDC 210 KVA 294 KVA 294 KVA
System Voltage PD300 PD550 Single PD550 DualLow Voltage Supply 9 - 32 VDC 9 - 32 VDC 9 - 32 VDCHigh Voltage Operation 180 - 750 VDC 180 - 750 VDC 180 - 750 VDC
Environmental PD300 PD550 Single PD550 DualAmbient Temperature -40°C to +85°C -40°C to +70°C -40°C to +70°C
Sealing IP67 with IP6K9K under review
IP67 per ISO 20653 IP67 per ISO 20653
EMC CISPR25 Class 3 CISPR25 Class 3 CISPR25 Class 3
Vibration Based on MIL-STD-202method 214A
Based on MIL-STD-202method 214A
Based on MIL-STD-202method 214A
Mechanical PD300 PD550 Single PD550 Dual
Liquid Cooling50% WEG blend -40°C to +70°C
10 lpm flowUnder test review
50% WEG blend -40°C to +70°C
12 lpm flowWeight (kg) 15.0 kg 35.0 kg 64.0 kgFootprint (sq cm) 1,260 cm² 2,010 cm² 3,510 cm²Volume (litre) 18.3 L 39.1 L 68.0 L
Next GenerationInverter (NGI)
proto build in process
OEM Product Line
Branded as Phoenix Drives
20 Dr. Joachim Sobotzik | VDI Workshop Electrification 2013 | Wieselburg, Austria
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Summary
21 Dr. Joachim Sobotzik | VDI Workshop Electrification 2013 | Wieselburg, Austria
• Electrification has entered the commercial vehicle arena
• It is not about substitution, it is about new opportunities
• System knowledge is key
• machine, attachment, application (duty cycles!)
• engine, transmission, electric drives & control
• Simulation & Diagnostics
• Collaboration opportunity
• Common components
• Energy storage adds future potential
|22 Dr. Joachim Sobotzik | VDI Workshop Electrification 2013 | Wieselburg, Austria