The power supply design was based on the phase-shifting voltage regulation mode of UC3825 control power MOS tube, through the sampling isolation module and the closed-loop feedback formed by STM32 control, the energy storage capacitor was linearly charged through the DC voltage sampling and voltage regulation control module; the ...
The luminescence of the pulsed xenon lamp is an unsteady gas discharge process, which works in the form of pulsed discharge and can generate very large instantaneous power in a short time and emit strong light. The impedance of the xenon lamp is a function of time and current density.
A pulsed xenon lamp discharge device with good performance can excite the xenon lamp to obtain stable illuminance, and it can accurately control the discharge process of the xenon lamp with a delay at the same time, which is beneficial to the time-related operation of the high-power laser system.
This paper designed and analyzed the electrical characteristics of the pulsed xenon lamp with 196mm×Φ10mm and resistivity 12Ω·A1/2, high-voltage synchronous trigger circuit, PWM phase shift control circuit, and DC voltage sampling and voltage regulation control circuit. The device parameters were optimized through physical experiments.
When the arc is stable, the relationship between the current and voltage of the xenon lamp is V=K0i0.5, where K0 is the impedance characteristic of a specific xenon lamp, and its value depends on the type of gas ,the gas pressure and the size of the lamp.
The impedance of the xenon lamp is a function of time and current density. The impedance characteristic of the xenon lamp determines the efficiency of energy transfer from the storage capacitor to the xenon lamp.
lamp power supply studied by Li Bo et al used PLC to form a control circuit. The pulse xenon lamp power supply studied in this paper was mainly used for disinfection and sterilization in various hospitals and other public places.
The power supply design was based on the phase-shifting voltage regulation mode of UC3825 control power MOS tube, through the sampling isolation module and the closed-loop feedback formed by STM32 control, the energy storage capacitor was linearly charged through the DC voltage sampling and voltage regulation control module; the ...
When an accumulated energy in a storage capacitor is released and dissipated, it forms highly excited xenon plasma within the flash-lamp. …
high voltage energy storage capacitor C1 will be charged by the flash capacitor C2 in the xenon flash lamp circuit by virtue of the thyristor SCR. AND electronic switching circuit needs to work on ...
Capacitors exhibit exceptional power density, a vast operational temperature range, remarkable reliability, lightweight construction, and high efficiency, making them extensively utilized in the realm of energy storage. There exist two primary categories of energy storage capacitors: dielectric capacitors and supercapacitors. Dielectric capacitors encompass …
The main voltage and the pulse trigger voltage pass through the RC isolation trigger network to drive the pulse xenon lamp. This paper designs and implements various modules of the drive …
According to the characteristics of pulsed xenon lamp discharge, the energy stored in the storage capacitor is released by the discharge of the xenon lamp, so the energy of a single pulse is calculated by calculating the energy of the storage capacitor. W=1/2CU2 (4)
Energy-Storage and Pulse-Shaping Circuits. High peak power outputs from flashlamps are achieved by slowly storing electrical energy in high-voltage capacitors and discharging them …
Up to 3200j can be stored in the included capacitors bank. high performance current regulator delivers controlled pulses to the xenon lamp. The power supply includes a high efficiency simmer and a serial mode trigger allowing water cooling of the xenon lamp. This results in a perfect pulse shape and perfect repetitive pulses.
ABSTRACT: Xenon flash-lamp is a device that emit large amounts of spectral energy in short duration pulses. When an accumulated energy in a storage capacitor is released and dissipated, it forms highly excited xenon plasma within the flash-lamp. This article reports the development of a power supply of xenon flash-lamp which
The main voltage and the pulse trigger voltage pass through the RC isolation trigger network to drive the pulse xenon lamp. This paper designs and implements various modules of the drive power supply, compares the RC isolation trigger network simulation with the actual trigger waveform, and analyzes the charge and discharge waveforms of the ...
This paper developed a pulsed xenon lamp power supply with a high-voltage pulse synchronous trigger function, a DC charging voltage of 1kV-3kV, an output pulse current range of 1kA-3kA,...
Cornell Dubilier announces a major product expansion of standard and custom high-energy storage, pulse-discharge capacitors. These are specialized devices, designed for applications requiring repetitive high energy and high voltage charge/discharge cycles. The capacitor technology is based on film dielectric with self-healing metalized or high ...
This paper developed a pulsed xenon lamp power supply with a high-voltage pulse synchronous trigger function, a DC charging voltage of 1kV-3kV, an output pulse current range of 1kA-3kA,...
The present invention relates to a kind of xenon flash lamp pump laser power supply, the charging method of a kind of pulse xenon lamp power source storage capacitor and charging...
Up to 3200j can be stored in the included capacitors bank. high performance current regulator delivers controlled pulses to the xenon lamp. The power supply includes a high efficiency …
electrical energy stored in the storage capacitor. This energy is given as:— E x 1 C (V1 — V2)2 Where E = Energy in Watts seconds or Joules C = Capacitance of storage capacitor in farads V1 = Flash capacitor potential in volts. V2 = Residual …
It will not recover its ability to hold off the applied voltage before the next pulses. The energy-storage capacitor will not be able to be recharged. Its charge would be dissipated through the flashlamp, which is still in a conducting state. A series switch (SCR, high-voltage FET, and so on) in the energy-storage circuit is used to isolate the capacitor voltage from the flashlamp. (72) A ...
When an accumulated energy in a storage capacitor is released and dissipated, it forms highly excited xenon plasma within the flash-lamp. This article reports the development of a power...
deliver the same light energy. A major restriction on the light energy delivered by a xenon pulse is the size of the electrolytic 330V storage capacitor. In this article we show the results of light power over time for: − Three xenon camera phones, with varying size storage capacitors, the largest of which has an external xenon flash accessory
When an accumulated energy in a storage capacitor is released and dissipated, it forms highly excited xenon plasma within the flash-lamp. This article reports the development of a power...
Trigger coil Transformers are used to provide a single, high-voltage pulse (in the order of several Kilo-Volts) to the flash tube''s envelope. The high voltage pulse is necessary for the Xenon gas to ionize, causing it to become highly conductive. This process finally allows the lower voltage (several hundred Volts) storage capacitor to dump the energy into the flash tube''s ionized gas, …
determines the efficiency of energy transfer from the storage capacitor to the xenon lamp. As the arc grows, the lamp resistance is a decreasing function of time. When the arc is stable, the relationship between the current and voltage of the xenon lamp is V＝K 0 i0.5, where K 0 is the impedance characteristic of a specific xenon lamp, and its value depends on the type of gas …
The power supply design was based on the phase-shifting voltage regulation mode of UC3825 control power MOS tube, through the sampling isolation module and the …
Energy-Storage and Pulse-Shaping Circuits. High peak power outputs from flashlamps are achieved by slowly storing electrical energy in high-voltage capacitors and discharging them very rapidly (in a few milliseconds or less) into the flashlamp. The amount of stored energy in the capacitor bank is determined by the value of capacitance (in ...
Denomination of invention: Charging method and circuit of energy storage capacitor for pulsed xenon lamp power supply. Effective date of registration: 20220927. Granted publication...
According to the characteristics of pulsed xenon lamp discharge, the energy stored in the storage capacitor is released by the discharge of the xenon lamp, so the energy of a single pulse is …
Here''s a breakdown of how a xenon flash lamp works: 1. Construction and Components. A xenon flash lamp consists of a sealed glass tube filled with xenon gas at low pressure. Inside the tube, two electrodes are positioned at either end. The lamp is part of an electrical circuit that includes a power source as well as capacitor storage. The ...
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