ElektrischeAntriebstechnik
Eine neue Chance in Mobilen Arbeitsmaschinen
Dr. Joachim SobotzikJohn Deere, Enterprise Electric Drive Services Group
|
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
|
Review Engine Auxiliary Drives
3Dr. Joachim Sobotzik | VDI Workshop Electrification 2013 | Wieselburg, Austria
|
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
|
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
|6
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
|
• 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
|
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
|
“wheel tracing significantly improved in cross hillside operations“…
Application: Traction Axle, Trailer
9 Dr. Joachim Sobotzik | VDI Workshop Electrification 2013 | Wieselburg, Austria
+8kNTractive force
|
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
|
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
|
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
|
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
|
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
|
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
|
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
|
Hybrid Target Customers
High HoursHigh Load ApplicationsSustainability Sensitive
• Waste Customers• Municipalities• Urban Customers
17 Dr. Joachim Sobotzik | VDI Workshop Electrification 2013 | Wieselburg, Austria
|
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
|
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
|
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
|
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