To accelerate the charging speed and make full use of the components'' capacity, a novel adaptive optimization charging (AOC) strategy is proposed for capacitor charging power supply
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This study presents design and analysis of a pulse capacitor charge power supply (CCPS) system by employing a novel brushless field assisted induction generator (BFAIG). Unlike the conventional induction
1 INTRODUCTION. After decades of development, pulse power technology has been rapidly developed in the military and civilian fields. In the existing pulse power supply technology, capacitive energy storage is widely used due to its higher power density and better discharge characteristics [1-8].The system that charges the capacitor is called capacitor charge
This paper describes a power supply for a rapid pulsed power charging system designed for charging a 0.25 /spl mu/F capacitor up to 20 kV in approximately 3 ms. It is capable of charging the load capacitor at repetition rate of 300 pps. This power supply is based on a series resonant three phase inverter followed by step-up transformers. Experimental results carried out at
The Shanghai Institute of Applied Physics China Academy of Science (SINAP) has been operating a Soft X-ray LINAC with an energy of 1.5 GeV at accelerator specifications of X-Band 20 MW, S- Band 110 MW, and C-Band 110 MW. The pulse modulator of the SINAP is a pulse forming network (PFN) type with its total capacitance divided as 511 nF, 508 nF, and 540
High voltage and high frequency capacitor charging power supply based on serial resonant topology is ana-lyzed nsidering the influence of self-capacitance from transformer and rectifier,the charging current is a decay one.An experiment prototype is completed based on TMS320LF2407A DSP digital control.Experiment waveforms verify the charger operating with
This paper reports the development of 1 kV, 30 kW capacitor charging power supply of solid-state pulse modulator. It provides variable output voltage 300–1000 V and maximum current up to 30A depending on load. The power supply design is based on...
To improve the stimulation efficiency of transcranial magnetic stimulation (TMS) and reduce the size and power consumption of the overall circuit, a compact and efficient capacitor charging power supply using an
The capacitors for pulse applications feature solder lugs or snap-in terminals for connection.These capacitors ensure constant pulse factors, even under conditions of large number of continuous discharges with short pulse repetition intervals. They feature low leakage currents and thus help the application be as energy efficient as possible.
overrating the charger power, since the bulk high-power charge occurs at a low duty cycle, fine charging capturing 10–30% of the charge cycle . This paper describes the development and testing of a high-power charger satisfying the aforementioned contradicting requirements within the constraints of a low-cost proven tech-nology.
High pulsed magnetic field, particle accelerator, strong laser, electromagnetic emission and other pulsed power systems require energy provided by fast charging capacitor with short duration and high density. It is necessary to recharge the capacitor to specific voltage by charging power supply after the discharge of energy stored in the capacitor. Charging power supply applied in
Capacitor charging is a method of high-power electrical energy in a capacitor to create large amounts of energy instantaneously. A DC power supply or high voltage power supply is used to charge the capacitor. Pulse Generators, circuit breaker testing, kidney stone crushing, Detonator, and accelerator beam injection, rail guns, coil guns
The TMS pulse generating circuit is composed of a capacitor, a capacitor charging circuit, and an electrical switch that connects the capacitor to the coil [2, 3]. A special charging circuit for capacitor charging is commonly referred to as the capacitor charging power supply (CCPS) . The significant difference between CCPS and traditional
The capacitor charging pulse power supply based on energy-storage pulse homopolar inductor alternator (HIA) is a very promising high-voltage and high-current pulse power supply in new equipment. The energy-storage pulse generator has the advantages of high energy storage density, high power density and high reliability.
This paper describes a power supply for a rapid pulsed power charging system designed for charging a 0.25 /spl mu/F capacitor up to 20 kV in approximately 3 ms. It is capable of charging
capacitor charging power supplies (CCPS). This effort focuses on a volume of 6”x6”x14” and a weight of 25 lbs. The primary focus was to increase the effective capacitor charge rate, or power output, for the given size and weight. Although increased power output was the principal objective, efficiency and repeatability were also considered.
Several types of pulsed power applications are presented and their high-voltage modulator requirements are described. The most widespread semiconductor-based HV unipolar and bipolar pulse modulator topologies are analyzed, and solid-state device operation is explained. Capacitor charging applications are also presented.
Pulse charging transformers for resonant energy transfer to RF tubes, magnetrons, klystrons and IOTs. The unit shown is used to transfer the energy from a 3 µF capacitor at 112.5 kV to a 13 nF capacitor at 1.5 MV. The pulse
The Excelsys FC4000 enables faster charging at lower voltages for shorter treatment times, delivering up to 4 KJ with constant power over charge voltages from 250 to 1,000 V DC addition, the capacitor charger has a pulse-to-pulse repeatability of -2 to 2 V DC, while also delivering up to 800 W from up to 10 isolated outputs that can be run in series and parallel
The PEF can be generated by applying high-power electromagnetic pulse across the sample to be treated. This paper describes the design of a 48 kJ/s high-voltage capacitor charging power supply
Capacitor charge power supply (CCPS) based on homopolar inductor alternator (HIA) has been successfully used in capacitor-based pulsed power supply (PPS), but there is still no perfect system modelling and compete system parameter design method.
In this paper, high voltage and high frequency Capacitor Charging Power Supply based on serial resonant topology is analyzed. Considering the nonlinear and parasitic parameters, the charging current is a decay one. A 700W experiment prototype is completed based on DSP digital control. Experiment waveforms verify the charger operating with a output
The TMS pulse is generated by rapidly discharging the capacitor to provide the required energy to a coil placed above the brain. The pulsed current in the coil generates a magnetic field, referred to as the capacitor charging power supply (CCPS) . The significant difference between CCPS and traditional power supply
To solve the static error caused by voltage overshoot and continuous increase when using a PI controller to track the phase voltage of a given power winding in a brushless
High power capacitor charging power supply (CCPS) using a series resonant converter technology has been developed. The CCPS adopted a 33 kHz IGBT series resonant inverter and a high-efficiency, high-voltage transformer. The performance test of the CCPS was carried out with a 33 nF load capacitor at 40 kV output voltage and 1 kpps repetition rate. Peak power rate
In this study, a highly precise capacitor charging power supply (CCPS) capable of charging the PFN capacitors in the pulse modulator is designed and the specifications are
Recharging the capacitor voltage to a specified voltage is tasked to a capacitor charging power supply (CCPS). The charging mode ends when the capacitor voltage equals the output voltage of the power supply. In the resonance-charging concepts, the energy is transferred to the load capacitor in a single pulse, and it is not possible to
For a pulsed power system using capacitors as an energy storage unit, the performance of the capacitor charging power supply determines the stability of the output
These power converters are used, instead of dc or programmed converters, to achieve high magnetic fields current pulses with a duration of up to several ten ms and an amplitude of over
A capacitor charging power supply in pulse power system for high-power application has been investigated in discussing and reporting that CCPS used in the high-power capacitive pulse system
Download Citation | On Mar 31, 2024, Jagdish S. Pakhare published Development of 1 kV, 30 kW Capacitor Charging Power Supply of Solid-State Pulse Modulator | Find, read and cite all the research
Capacitor Charging Outputs up to 4000 W with a 0 to 1000 VDC voltage range. Maintains constant power charging from 250 V to 1000 V. Provides consistent pulse-to-pulse repeatability for precise performance.
Download scientific diagram | Diagram of capacitor charge power supply (CCPS) with high‐voltage capacitor and pulse load from publication: Study of capacitor charge power supply with homopolar
Abstract: For the pulse power system using capacitor as energy storage unit, the performance of capacitor charging power supply (CCPS) determines the stability of output voltage. With the rapid progress of high-frequency and high-power devices, high-frequency converter charging power has become the mainstream. Among them, the LC series resonant converter is an ideal charging
3-cell DSF & DGH capacitors provide very fast power discharge that cannot be matched by conventional capacitors or batteries. That large capacity makes it possible to support brief power interruptions, supplement batteries, or even be used in place of
Recharging the capacitor voltage to a specified voltage is tasked to a capacitor charging power supply (CCPS). The role of power electronics devices, topologies, and
Power modulators for compact, repetitive systems are continually faced with new requirements as the corresponding system objectives increase. Changes in pulse rate frequency or number of pulses significantly impact the design of the power conditioning system. In order to meet future power supply requirements, we have developed several high voltage (HV)
DOI: 10.1109/PPC.1999.825494 Corpus ID: 29248417; Capacitor charging power supply design for high pulse to pulse repeatability applications @article{Bees1999CapacitorCP, title={Capacitor charging power supply design for high pulse to pulse repeatability applications}, author={G. L. Bees and A. Tydeman}, journal={Digest of Technical Papers. 12th IEEE International Pulsed
The charging mode ends when the capacitor voltage equals the output voltage of the power supply. The capacitor is continually refreshed by the power supply. During the discharge mode, the charging resistor isolates the power supply from the pulse load. The advantages of this technique are its simplicity, reliability, and low cost. FIGURE 21.3.
Instead of charging the energy storage capacitor with a single pulse, switching converters can charge the capacitor with a series of pulses or pulse train. The peak current is reduced when charging with a series of pulses, thus improving the efficiency of the charging process.
Energy storage capacitors may be charged utilizing the same power electronic technology that has been applied in switching converters for constant power loads. Instead of charging the energy storage capacitor with a single pulse, switching converters can charge the capacitor with a series of pulses or pulse train.
The poor efficiency when charging a capacitor through a resistor from a high-voltage power supply limits its application to low charging rates. In the resonance-charging concepts, the energy is transferred to the load capacitor in a single pulse, and it is not possible to compensate for capacitor leakage.
A special charging circuit for capacitor charging is commonly referred to as the capacitor charging power supply (CCPS) [ 4 ]. The significant difference between CCPS and traditional power supply is that it requires operation under a wide range of load conditions.
To improve the stimulation efficiency of transcranial magnetic stimulation (TMS) and reduce the size and power consumption of the overall circuit, a compact and efficient capacitor charging power supply using an inductor–capacitor–inductor–capacitor resonant converter (LC–LC RC) is designed in this study.
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