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Starting Internal Combustion Engines with BOOSTCAPS
- In the framework of a project executed by students of the Automobile Technology Department at the Hochschule für Technik und Informatik (HTI) Biel, it has been demonstrated that it is possible to start an internal combustion engine with BOOSTCAP ultracapacitors instead of a lead acid battery. These tests have been performed at a test bench and with a real car.
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Representative Test Procedure; Customer Evaluation
- Maxwell Technologies tests its ultracapacitors using a straightforward constant current charge/discharge cycle. A constant current discharge test may be useful for customer evaluation of the product prior to application testing.
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Peak Load Shaving in a Fuel Cell Powered Industrial
Servo System
- Download this application note to learn how one company deals
with the challenge of replacing a battery and power supply with
a fuel cell and ultracapacitors in a mobile industrial robotic
system.
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Cell Balancing in Low Duty Cycle Applications
- Voltage distribution in a series stack of ultracapacitors is
initially a function of capacitance. After the stack has been
held at voltage for a period of time, voltage
distribution then becomes a function of internal parallel resistance
(leakage current). Download this whitepaper to learn more about
cell balancing in low duty cycle applications.
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How to Determine an Appropriate Size Ultracapacitor
for Your Application
- An ultracapacitor's voltage profile (a plot of voltage vs. time)
has two components; a capacitive component, and a resistive component.
The capacitive component represents the voltage change due to
the change in energy within the capacitor. The resistive component
represents the voltage change due to the equivalent series resistance
(ESR) of the ultracapacitor. To learn more about sizing an ultracapacitor
for your application, click here to download this whitepaper.
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Interconnection Information
- Because the interconnections can be the major source of energy
loss and thus
heat production, it is imperative that certain key parameters
be optimized. These include, conductor size, minimal contact resistance,
long term connection integrity. Additionally, the mechanical integrity
must be sound. To learn more about the importance of correctly
sizing interconnects, click here to download this whitepaper.
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Cell Monitoring Information
- Maxwell Technologies recommends that during development of new
ultracapacitor systems thermal monitoring be used to understand
temperature performance and to avoid overheating cells. A new
system may present design issues involving temperature that are
not well understood. Temperature monitoring will enable such issues
to be resolved efficiently and safely. To learn more about temperature
monitoring, click here to download this whitepaper.
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to View/Download
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