Dc energy storage pulse capacitor detection

What is an energy storage capacitor?

The energy storage capacitor is divided into two sections for third-harmonic, current-pulse shaping and is charged linearly for pulse repetition times of 2.12 s. It also includes a residual energy dissipation and a fast recharge circuit for multiple pulsing and pulse-to-pulse current amplitude modulation.

How does an ultracapacitor work?

The ultracapacitor is capable of converting the electrical energy into the electrostatical charge storage inside the capacitor electrodes temporarily and then release this strong power with proper energy for heavy-duty electric vehicles , especially for those applications that need repeated stops or frequent speed-changes.

Can a NiOOH/C ultracapacitor module be used for a hybrid power system?

This paper also performs electrical characterizations on a NiOOH/C ultracapacitor module, and the pulse power evaluation is then carried out on a hybrid power system using the asymmetric capacitor module and an advanced Pb–acid battery through both of modified cold cranking and hybrid pulse power load profiles. 2.

What is a hybrid power system with an asymmetric ultracapacitor?

A hybrid power system with an asymmetric ultracapacitor and a lead–acid battery under pulse power testing using a modified cold cranking profile, operating under a frequency of 0.0833 Hz (12 s), a duty cycle of 16.67%, and at a load current of 150 A. 4.4. Modified hybrid pulse power characterization for ultracapacitor module with a battery

What is a hybrid pulse power characterization (HPPC) asymmetric ultracapacitor?

The single power source using the asymmetric ultracapacitor under pulse power testing using a modified hybrid pulse power characterization (HPPC) profile, operating under a frequency of 0.0167 Hz, a duty cycle of 16.67%, with a load current of 100 A for 10 s, rest for 30 s and then under a charge limit current of 75 A for 10 s.

What happens to the residual energy in the capacitors?

When pulse-to-pulse peak magnet-current modulation is required, the residual energy in the capacitors is dissipated between pulses (if the subsequent peak current value is expected to be smaller than that produced by the voltage after energy recuperation).