Download - Battery- Supercapacitor Hybrid System
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Battery-Supercapacitor Hybrid System
Design Team TenFinal Presentation
ECE 480 FS08
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Evolution of the Battery/Supercapacitor Hybrid System
System 2
System 1 System 3 System 4
- 51.8 Volts- 5 x 165F
Modules- 905 Farads Total
- 51.8 Volts- 56 Li-Po Cells- 4 PCMs
- 51.8 Volts- 28 Li-Po Cells- 2 PCMs- 2 x 165 F Modules- 330 Farads Total
- 51.8 Volts- 14 Li-Po Cells- 1 PCM- 85 Farads Total- 3 Solid-State Relays- 1 Digital Relay Controller
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Comparing Systems SystemSystem 2System 1 System 3 System 4
Limitations:- Excessive Weight- High Cost- Low Energy Estimated Cost:
$9000
Limitations:- Excessive Weight- Low Power- Limited Cycle LifeEstimated Cost:
$5900
Limitations:- Relatively High Cost- Performance Limited by Voltage Dependency Estimated Cost:
$7400
Limitations:- None
Estimated Cost:
$4200
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Our Prototype Battery/Supercapacitor Hybrid System
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Battery Components
Cells:- Rechargeable Lithium Polymer- 3.7 V Per Cell- 21 Amp/Hours
Protection Circuit Module: - Protects Cells from Overcharge & Overdischarge - Balances Voltages Between Cells- Short Circuit & Reversed Polarity Protection
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Battery Specifications
- 14 Cells- 51.8 Volts- Integrated PCM
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Super Capacitor Array
- 165 Farads- 48.6 Volts Nominal- Internal Monitoring Circuitry- Cell Balancing Function- High Power Density- 31 lbs
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Control System
Solid-State Relays:- Remote Operated Switch- No Moving Parts- Use N-Channel MOSFETS- Rated at 40 Amps & 200
Volts
Programmable Relay Controller:- Controls Timing & Activation of the
Relays- 24 V- Controls Up To 16 Relays
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System Schematic
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1 Kilowatt Load Specifications
- Two 5Ω Resistors
- 1 kW Rated Each
- Connected In Parallel
- 2.5Ω Circuit
- 6’ x 9” Heatsink