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Auxiliary current control for improving unloading transient …
An auxiliary current control technique is presented to improve the unloading transient response of the buck converter in this paper. The proposed control minimizes the output voltage deviation with minimal efficiency degradation of the auxiliary buck/boost converter. The parasitic components of the output capacitor and load are …
One-inductor-based auxiliary circuit for dc-link capacitor voltage ...
The one-inductor-based auxiliary balancing circuit is proposed to equalise dc-link capacitor voltages of diode-clamped multilevel converters (DCMC) in this study. After theoretical analysis of balancing unit in traditional one-level-based balancing schemes, one-inductance-based schemes are designed according to the same operating …
Buck converter with switched capacitor charge compensation for …
To reduce the required capacitance, a novel buck converter with an auxiliary circuit for charge compensation using switched capacitors is proposed. The auxiliary circuit is not activated during the steady state. When the load current changes …
Resonant Switched-capacitor Auxiliary Circuit for Active Power …
This paper introduces an auxiliary circuit that is used to buffer double-line-frequency ripple power and form electrolytic capacitor-less single-phase AC/DC LED …
Resonant Switched-capacitor Auxiliary Circuit for Active Power ...
An auxiliary circuit that is used to buffer double-line-frequency ripple power and form electrolytic capacitor-less single-phase AC/DC LED drivers and has less power loss due to its zero-current switching (ZCS) operation, and includes smaller passive components because of its higher operating frequency. This paper introduces an …
13.9: Single-phase Induction Motors
A capacitor-run motor typically has a large non-polarized electrolytic capacitor in series with the auxiliary winding for starting, then a smaller non-electrolytic capacitor during running. The auxiliary winding of a resistance split-phase motor develops a phase difference versus the main winding during starting by virtue of the difference in ...
Capacitor Start Induction Motor
A Capacitor Start Motors are the single phase Induction Motor that employs a capacitor in the auxiliary winding circuit. in this article characteristic and applications are discussed. Capacitor Start Motors are single-phase Induction Motors that employ a capacitor in the auxiliary winding circuit to produce a greater phase difference between the current in …
Analysis of switched-capacitor circuits using driving-point signal-flow graphs | Analog Integrated Circuits …
This paper extends the driving-point signal-flow graphs to switched-capacitor (SC) circuits by introducing a new theoretical element: an auxiliary voltage source that transfers no charge. In contrast to existing SFG methods, our method has no restrictions as to what types of SC circuits can be analysed, it requires no equivalent …
An efficient interleaved Boost DC–DC converter with high-voltage …
An interleaved high step-up DC–DC Boost converter is proposed in this paper. The converter applies two auxiliary cells at the input and two switched capacitors to reach high-voltage gain. Due to the interleaved structure and two auxiliary cells which create four paths at the input side, the current ripple and stress decrease significantly. …
Machines | Free Full-Text | Topological Overview of …
This paper reviews different types of capacitors and auxiliary source circuit topologies and presents an introduction to control strategies used for circuit applications reducing DC-BUS capacitance. …
23.2: Reactance, Inductive and Capacitive
23.2: Reactance, Inductive and Capacitive
Buck converter with switched capacitor charge compensation for …
The auxiliary capacitor of the resonant circuit in Ref. [14] requires reset processes because of an imbalance of charge and discharge. The repeti-tive recovery processes of the resonant circuit in Ref. [15] results in energy loss, and the control circuit requires high ...
A soft switched step‐up DC–DC converter using a low‐power auxiliary ...
Therefore, a low-power auxiliary circuit is used in order to discharge the energy of capacitor C a. Since the capacitor C a is very small, the auxiliary switch will be conducted for a very short time.
Buck converter with switched capacitor charge compensation for …
To reduce the required capacitance, a novel buck converter with an auxiliary circuit for charge compensation using switched capacitors is proposed. The auxiliary circuit is not …
One-inductor-based auxiliary circuit for dc-link capacitor voltage …
adopting auxiliary circuits to balance dc-link capacitor voltages [19–24]. One kind of approach adopting auxiliary capacitor-based circuit is discussed in [23, 25]. The inverter-chopper-based circuits are adopted in [26, 27]to regulate the capacitor voltages to their
A Multiphase Series-Capacitor Buck Converter with Reduced Flying Capacitor Volume and Auxiliary Start-Up Circuit …
A modification to the conventional multiphase series-capacitor (SC) buck converter topology is introduced that transforms it into a more suitable candidate for emerging high step-down, high current point-of-load (PoL) applications. This paper introduces a modification to the conventional multiphase series-capacitor (SC) buck …
Main and auxiliary circuit diagrams of switching three-phase …
and auxiliary circuit diagrams of switching three-phase ...
Buck converter with switched capacitor charge compensation …
capacitance, a novel buck converter with an auxiliary circuit for charge compensation using switched capacitors is proposed. The auxiliary circuit is not activated during the steady state. When the load current changes rapidly, the switched capacitors can quickly absorb or release charge to suppress voltage uctuations.
A 3. 7V-to-1kV Chip-Cascaded Switched-Capacitor Converter with Auxiliary …
A 3. 7V-to-1kV Chip-Cascaded Switched-Capacitor Converter with Auxiliary Boost Achieving > 96{%}$ Reactive Power Efficiency for Electrostatic Drive Applications Abstract: This work presents a high voltage drive system for electrostatic and piezoelectric (PZT) actuators used for small-scale electromechanical applications, e.g. microrobotics and …
One-inductor-based auxiliary circuit for dc-link …
One kind of approach adopting auxiliary capacitor-based circuit is discussed in [23, 25]. The inverter-chopper-based circuits are adopted in [26, 27] to regulate the capacitor voltages to their reference …
One-inductor-based auxiliary circuit for dc-link …
The one-inductor-based auxiliary balancing circuit is proposed to equalise dc-link capacitor voltages of diode-clamped …
Voltage Balancing Approaches for Diode-Clamped Multilevel …
An auxiliary capacitor-based balancing approach is adopted in this paper to equalize the dc-link capacitor voltages of a diode-clamped multilevel converter (DCMC). Four balancing circuits, including the generalized, one-level-capacitor, one-capacitor, and simplified one-capacitor-based configurations are discussed for a five-level DCMC system. These …
13.9: Single-phase Induction Motors
Permanent-Split Capacitor Motor One way to solve the single phase problem is to build a 2-phase motor, deriving 2-phase power from single phase. This requires a motor with two windings spaced apart 90 o …
Synopsis on Electronic Capacitor for Grid-Tied Converters
This paper discusses a different auxiliary source circuit topologies and the introduction of control strategies used for auxiliary source circuit, in favor of bulky electrolytic capacitor …