Bidirectional converters are used to interface two independent voltage sources so that power can be transferred from one to another in either direction. This chapter presents
In this paper, a bidirectional CLLC resonant converter for EV charger applications is proposed, in which the voltage stresses of its power
Bidirectional DC/DC converters are widely adopted in new energy power generation systems. Because of the low conversion efficiency and non-isolation for
Combined with the energy storage system operation principle, when the system energy is sufficient, the bus charges the battery, and when the energy is insufficient, the battery
This paper proposes a new LLC resonant DC-DC topology with bidirectional power flow capability. All the switches in the proposed topology can achieve zero volta
The capacitor-inductor-inductor-inductor-capacitor (CLLLC) resonant converter with a symmetric tank, soft switching characteristics, and ability to switch at higher frequencies is a good choice
Working logic diagram: These converters find extensive applications in energy storage systems, such as electric vehicles, solar energy storage systems, and wind energy
This paper presents the design of a bi-directional CLLC converter with an Integrated transformer for energy storage systems (ESS) applications (48 V batteries). As the distributed energy
The design is beneficial where power density, cost, weight, galvanic isolation, high-voltage conversion ratio, and reliability are critical factors, making this design an excellent choice for
This reference design is an isolated bi-directional DC-DC converter that uses the dual active bridge (DAB) method, which is one of the most popular methods for high power conversion
In this study, the working principle of an LLC resonant converter under bidirectional control strategy was analyzed, and the backward step-up
Isolated bidirectional DC–DC converters are becoming increasingly important in various applications, particularly in the electric vehicle
This paper presents a new control method for a bidirectional DC–DC LLC resonant topology converter. The proposed converter can be
Integrated half-bridge CLLC bidirectional converter for energy storage systems A hybrid string-inverter/rectifier soft-switched bidirectional DC/DC converter An optimized digital
Based on this study, the dual-active bridge was chosen for implementation in this reference design, owing to the ease of bidirectional operation, modular structure, competitive efficiency,
Applications of Bi-Directional Converters What is a Bi-Directional Converter Bi-directional converters use the same power stage to transfer power in either directions in a power system.
A bi-directional three-level Buck / Boost converter topology has been studied, and its working principle has been introduced in detail in this Paper. Based on the working characteristics of
A design methodology of bidirectional LLC resonant converter for energy storage application is proposed. Along with the design methodology, a study on LLC resonant converter with
This paper focuses on the three-level Buck-Boost Bi-directional converter (TL Buck-Boost BDC) applied in energy-storage inverters serving as charging or discharging circuit
The new type of L-LLC resonant bidirectional DC-DC converter (L-LLC-BDC) has merits of high efficiency, high-power density and wide gain
Index Terms—LLC-DAB Bidirectional Voltage Switching, Bidirectional Power Flow1 Converter, Zero I. INTRODUCTION IN recent years, due to the high efficiency, wide range of zero voltage
Abstract: In this study, bidirectional LLC resonant converters used in electric vehicles, energy storage systems and charging stations, which have taken a wide place in the
Abstract — Bidirectional LLC resonant converters are becoming increasingly more attractive in grid-connected applications with integrated photovoltaic (PV) systems and energy storage
Figure 1 shows a block diagram of a classical DC-coupled energy storage system, in which the bidirectional DC/DC is responsible for charging and discharging the battery.
1. Introduction Bidirectional dc-dc converters (BDC) have recently received a lot of attention due to the increasing need to systems with the capability of bidirectional energy transfer between
The new L-LLC resonant bidirectional DC-DC converter (L-LLC-BDC) will produce a large resonance current and voltage inrush during the
The bidirectional DC-DC converters are widely used in the energy storage system (ESS) and DC distribution system. The power capacity
This study proposes a high efficient bi-directional inverter for a photovoltaic (PV) system integrated with an energy storage system. The proposed bi-directional inverter controls
Utilizing the silicon-carbide bi-directional LLC charger protocol has enabled high efficiency and energy density [38]. It has the reconfigurable bridge-less totem pole PFC,
A bidirectional LLC-C resonant converter with a normalized symmetry resonant tank is proposed for energy storage system. In the proposed LLC-C converter, two auxiliary
Additionally, an evaluation system for bidirectional DC–DC topologies for hybrid energy storage system is constructed, providing a reference for designing bidirectional DC–DC converters.
A bi-directional three-level Buck / Boost converter topology has been studied, and its working principle has been introduced in detail in this Paper. Based on the
Abstract: A design methodology of bidirectional LLC resonant converter for energy storage application is proposed. Along with the design methodology, a study on LLC resonant converter with unsymmetrical characteristics in forward and backward mode is presented.
Operation Principle of Bidirectional LLC Resonant Converter The bidirectional LLC resonant converter has excellent advantages in soft-switching characteristics, high power conversion efficiency, frequency modulation, voltage modulation characteristics, and low switching loss.
Conferences > 2024 15th National Conference... In this study, bidirectional LLC resonant converters used in electric vehicles, energy storage systems and charging stations, which have taken a wide place in the literature in recent years, have been examined and a comparison of these converters has been made.
Moreover, the bidirectional DC/DC converter is adopted as the energy storage conversion module in the photovoltaic energy storage complementary system; it has the feature of bidirectional power flow and plays the role of regulating power, recovering energy, and maintaining the stability of the power supply.
For safety, low-voltage battery pack systems (40V to 60V) require bidirectional isolation DC/DC due to the high bus voltage (360V to 550V). This article generally analyzes the advantages and disadvantages of different isolated bidirectional DC/DC topologies. Figure 1. DC-Coupled Energy Storage System
Figure 1 shows a block diagram of a classical DC-coupled energy storage system, in which the bidirectional DC/DC is responsible for charging and discharging the battery. For safety, low-voltage battery pack systems (40V to 60V) require bidirectional isolation DC/DC due to the high bus voltage (360V to 550V).
