A Novel Coupling Method of Power Supplies With High Power Density, Efficiency, and Fast Dynamic Response for Spacecraft Hollow Cathode Power Supply Applications

Fu, Ming; Zhang, Donglai; Li, Tiecai

doi:10.1109/tpel.2016.2610442

Cited by 12 publications

(8 citation statements)

References 26 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Using DSP to control the switching power supply, through the digital signal processor, stable output voltage and output current are possible. Digital signal processing system is based on digital signal processing, so it possesses all the advantages of digital processing [18,19].…”

Section: Dsp Control Modulementioning

confidence: 99%

Power Quality Control System of High-Power-Density Switching Power Supply for Green Environment

Liang

Akter²

2022

Mathematical Problems in Engineering

View full text Add to dashboard Cite

There is higher harmonics and electromagnetic interference caused by high-power-density switching power supply during high-frequency and normal operations which affects power quality of switching power supply and also impacts the environment. To solve this problem, this paper proposes a dual digital signal processor (DSP) controller suitable for unified power quality regulators and designs high-power-density switching power supply control system for promoting green environment. The overall structure of the system is divided into two parts, the power main circuit and the control circuit. In the main power circuit, the electromagnetic interference (EMI) filter is used to filter the input AC voltage and convert it into a stable DC voltage. A high-frequency inverter is used to invert the DC voltage into a high-frequency AC voltage to achieve harmonic control and reactive power compensation. In the control circuit, dual DSP controller is used to improve real-time detection, control of the output voltage, and current and driver temperature of the high-power-density switching power supply, while high-precision analysis and processing system collect different information and then achieve the power quality control of the switching power supply based on system software to keep this environment green. The experimental results suggest that the harmonic content of the experimental objects controlled by the system is reduced by 16.7% compared with the existing power quality control and the absolute error of the system is less than 0.02 V which improves the de-noising performance. The power generation systems require that the consumption of natural resources and renewable energy solutions can assist in saving the natural resources.

show abstract

Section: Dsp Control Modulementioning

confidence: 99%

Power Quality Control System of High-Power-Density Switching Power Supply for Green Environment

Liang

Akter²

2022

Mathematical Problems in Engineering

View full text Add to dashboard Cite

show abstract

“…In the case of the ion thruster being ignited at first time or at low temperature in vacuum, or being ignited in vacuum after exposing to atmosphere, the discharge cathode need to be degassed and activated through heating by heater supply [34, 35]. Different from the hollow cathode in the stationary plasma thruster, which need to turn off heater/ignitor/keeper supply when the successful ignition is obtained, the discharge cathode in the ion thruster only needs to turn off heater/ignitor supply, and the keeper supply provides limited current to maintain the plasma state of xenon in the discharge cathode [36, 37]. When the beam supply is on, the components at the secondary side of isolated discharge cathode heater/ignitor/keeper supply are all suspended on the high‐voltage output of the beam supply, which leads to a high voltage‐difference between the secondary and the primary side of isolated discharge cathode supplies.…”

Section: Proposed Convertermentioning

confidence: 99%

Design and analysis of a novel coupled converter with high‐voltage insulation protection in magnetic isolated way

Zhang

et al. 2021

IET Power Electronics

Self Cite

View full text Add to dashboard Cite

This paper presents a novel coupled converter with high-voltage insulation protection in magnetic isolated way by taking the case of heater/ignitor/keeper supply for powering discharge cathode in the space ion electric propulsion (EP) thruster. The topology, working principle and igniting timing, as well as the adaptive closed-loop control and heatingigniting interlock control are also illustrated. For the proposed converter, the coupled topology and control strategy only adopt three straddling magnetic components to realize all functions. Meanwhile, the number of electronic components suspending over the highvoltage side of beam supply is small enough. Additionally, the test on the coupled converter prototype shows that, the maximum efficiency is 88.6%, close to the traditional tightly coupled supply; the proposed converter could realize the function of heating/igniting/keeping for the discharge cathode under the magnetic isolated way and corresponding control strategy; and there is no "spark phenomenon" for the converter during low-pressure discharge test. Hence, the magnetic isolated way to obtain the physical separation between highvoltage and low-voltage side in the converter is useful to achieve the high-voltage insulation protection.This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

show abstract

“…The new two-terminal SSCB can be directly placed in a circuit branch without requiring any external power supply or extra wiring. In Fu et al (2017), a coupling method of power supplies was proposed for spacecraft hollow cathode power supply applications. The coupling inductance is used in ignitor-keeper supply and heater supply devices, which can reliably acquire energy.…”

Section: Introductionmentioning

confidence: 99%

“…The coupling inductance is used in ignitor-keeper supply and heater supply devices, which can reliably acquire energy. The design principle in Fu et al (2017) is of special interest for SPSS devices of FCLs.…”

Section: Introductionmentioning

confidence: 99%

“…However, the power supplies of FCLs have problems similar to those of DCCBs. However, the proposed SPSS methods in Lin Du et al (2010), Urciuoli and Veliadis (2011), Wu et al (2013), Miao et al (2015), Fu et al (2017), Zhang et al (2020) cannot be directly used to design SPSSs for FCLs. Few studies have focused on the application of SPSSs to drive the power electronic switch of FCLs.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Design of Self-Powered Solid-State Fault Current Limiters for VSC DC Grids

Gao

Zhang

2021

Front. Energy Res.

View full text Add to dashboard Cite

Abstract-Fault current limiters (FCLs) can suppress the rise of short-circuit fault currents in voltage source converter (VSC) based DC grids. However, the power electronic switches of FCLs need extra source equipment to supply the required power, which increases complexity and cost. This paper presents three kinds of self-powered solid-state FCLs (SSFCLs). The proposed self-powered SSFCLs detect short-circuit faults by sensing fault current increases and draw energy from the fault DC line to automatically drive the power electronic switches. The self-powered SSFCLs are equipped with a self-powered supply system (SPSS). The SPSS obtains energy from the magnetic field induced by short-circuit fault current using magnetic-coupling mutual inductance coils. In PSCAD/EMTDC, the proposed self-powered SSFCLs are placed directly on the DC line without external power supply equipment. When a short-circuit fault occurs, the simulation results verify that the proposed self-powered SSFCLs can rapidly acquire power to drive the power electronic switches and then suppress the rise of the fault current. The proposed self-powered SSFCL prototypes provide a solution for decreasing the cost and complexity associated with installing extra source equipment.

show abstract

A Novel Coupling Method of Power Supplies With High Power Density, Efficiency, and Fast Dynamic Response for Spacecraft Hollow Cathode Power Supply Applications

Cited by 12 publications

References 26 publications

Power Quality Control System of High-Power-Density Switching Power Supply for Green Environment

Power Quality Control System of High-Power-Density Switching Power Supply for Green Environment

Design and analysis of a novel coupled converter with high‐voltage insulation protection in magnetic isolated way

Design of Self-Powered Solid-State Fault Current Limiters for VSC DC Grids

Contact Info

Product

Resources

About