A Parallel-Resonant Isolated Bidirectional DC-DC Converter with
In this paper, a parallel-resonant isolated bidirectional DC-DC converter with low current ripple and high voltage gain is proposed for the battery storage systems. In the low
A new layered bidirectional equalizer based on a novel
The resonant capacitor C p 1 is charged by the batteries B 1 a and B 1 b through a loop composed of S 1 a, L p 1, C p 1, and S 2 a. The resonant current i Lp 1 will increase from zero at t 0, and then oscillate back to
A Series-Parallel Resonance-Switched-Capacitor Equalizer for the
The hybrid energy storage system (HESS) uses the retired power battery can prolong the battery life cycle and lower the system''s cost. A series-parallel resonance switched-capacitor
Efficiency Optimization in Parallel LLC Resonant Inverters with
The parallel LLC resonant circuit, an R.T. circuit consisting of two inductors and a capacitor, along with the equivalent load resistance, forms a series-parallel hybrid topology, as
Direct Cell-to-Cell Voltage Equalizer Using Capacitively-Isolated
In this paper, a capacitively-isolated parallel-resonant converter is proposed to miniaturize the circuit volume by employing capacitive isolation, instead of a bulky transformer.
Using the series-parallel resonant converter in capacitor
For applications in pulse power systems, energy storage capacitors must be charged repeatedly to significant DC voltage levels (greater than 1 kV). Resonant converter topologies can be
Using the series-parallel resonant converter in capacitor charging
For applications in pulse power systems, energy storage capacitors must be charged repeatedly to significant DC voltage levels (greater than 1 kV). Resonant converter topologies can be
Design of series resonant switched‐capacitor equaliser for series
This study proposes a series of resonant switched-capacitor (ReSC) voltage equaliser, which... Skip to Article Content the discontinuity of renewable generation needs
Direct Cell-to-Cell Voltage Equalizer Using Capacitively-Isolated
Direct cell-to-cell voltage equalizers have been proposed for series-connected energy storage cells, such as lithium-ion batteries and electric double-layer capacitors (EDLCs). Conventional
An Active State of Charge Balancing Method With LC
To reduce the impact of series battery pack inconsistency on energy utilization, an active state of charge (SOC) balancing method based on an inductor and capacitor is proposed. Only one inductor and one capacitor can
Automatic Voltage Equalization Circuit Based on Multiple LC Resonant
The series-parallel switched-capacitor (SPSC) equalization circuit has high voltage stress on switch. To overcome this problem, an automatic voltage equalization circuit
Design of Parallel Resonant Switched-Capacitor Equalizer for
An automatic parallel resonant switched-capacitor equalizer (PReSCE) for series-connected battery strings is proposed, which utilizes resonant switched-capacitor to eliminate the inrush
LC circuit
An LC circuit, also called a resonant circuit, tank circuit, or tuned circuit, is an electric circuit consisting of an inductor, represented by the letter L, and a capacitor, represented by the letter C, connected together.The circuit can act
Integrated balancing method for series‐parallel
Based on the different energy storage characteristics of inductors and capacitors, this study innovatively proposes an integrated active balancing method for series-parallel battery packs based on inductor and capacitor
Analysis and design of a series-parallel resonant converter
A high-frequency link series-parallel resonant power converter is analyzed using the state-space approach. Analysis is presented for both the continuous capacitor voltage mode and the
Frequency response: Resonance, Bandwidth, Q factor
total energy lost per cycle at resonance S D E Q E ==ππ (1.13) which represents the ratio of the energy stored to the energy dissipated in a circuit. The energy stored in the circuit is 2 11 S 22
Switched-capacitor equalizers using hybrid balancing paths for
The ESRs of capacitor and energy storage cell are set to 40mΩ and 20mΩ, respectively. Fig. 8 shows simulation results of three SC equalizers for five cells. The initial cell
Resonant power converters with respect to passive storage (LC)
Parallel resonant converter is classified as two-element tank converter, as shown in Fig. 6 a. The resonant capacitor Cr must be in parallel with the load and the diode rectifier