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To improve the pulse shape and to obtain /spl mu/s order pulse duration on a diode load in an inductive energy storage system, an oil-submerged compact pulse transformer with diameter of 20 cm and
High voltage electric pulse rock breaking, according to the electrode discharge form can be divided into two kinds: (1) electrode and rock is not in contact, through the high voltage discharge will be liquid breakdown water jet or shock wave broken rock; (2) The electrode is in contact with the rock, and the rock is broken by surface discharge.
Conditions for the usage of power resonant systems for charging the capacitorstorage devices of the pulse current generators are determined. Fulfillment of these conditions allowed to reduce installation''s mass and size characteristics by removing the high-voltage transformer. The chargers based on an industrial frequency converter and a transistor
The continuous model of the pulse converter shown in Fig. 4 is obtained by replacing the pulse switching-breaking function F K ¯ (t) its average value of d(t), reduced to one.The modulator M ∗ is replaced by a transmission link of a continuous control signal D (t), where if a signal D (t) whose maximum value is normalized to one is input, the
This paper mainly focuses on the voltage stability of the 270 V high-voltage DC power system and proposes a joint droop control-based hybrid energy storage system and
circuit simulation, and the 10-stage prototype is built in this paper. frequency of the high-voltage pulse power need to be flexibly the voltage levels of energy storage capacitors and
An inductive energy storage switch system for the destruction of solid materials is reported. This is based on creating a pulsed electric breakdown in the solid dielectric, which then propagates
Considering the above requirements, there are several basic concepts that can be used for high-voltage pulse generation. The key idea is that energy is collected from some primary energy source of low voltage, stored temporarily in a relatively long time and then rapidly released from storage and converted in high-voltage pulses of the
All the simulation results show that under the two-level energy storage system of the pulse load, the DC ship power system has voltage stability with the pulse
Design and Implementation of a Capacitive Energy Storage Pulse Drive Source. February 2021. IOP Conference Series Earth and Environmental Science 651 (2):022094. DOI: 10.1088/1755-1315/651/2
In this paper, a new isolated modular HV unipolar pulse generator based on power electronic converters is proposed. The output HV pulse is an exponential pulse, which is
The generator responds to the low frequency band, the Supercapacitor energy storage responds to the high frequency band, and the Lithium battery energy storage and Flywheel energy storage respond to the transient power in the middle band. The curve of DC bus voltage is shown in Fig. 11(b). Simulation results show that
Therefore, the applied electric pulse is a positive high-voltage pulse, and its rising time is uniformly controlled at 419 ns. And the total simulation duration is 2 μs. The loading curve of high-voltage pulse of the model is shown in Fig. 9.
The high-voltage pulse power supply system consists of an energy storage capacitor, spark switch, and rectifier, which uses a capacitor pulse generator to provide a high-voltage direct current pulse with a voltage rise time of less than 500 ns.
Simulation Analysis of the Fracture Using High-Voltage Pulse Discharge. Buildings 2023, 13, wire instantaneously and introducing a powerful pulse current using an energy storage
To solve this problem, in this paper, a new multi-switch inductor energy storage forming line topology is proposed, and the time-space transmission process of electromagnetic
Abstract. Study on large-scale electrochemical energy storage simulation is carried out in this paper to discuss its feasibility in enhancing the stability of HVDC power transmission, thus
Study on large-scale electrochemical energy storage simulation is carried out in this paper to discuss its feasibility in enhancing the stability of HVDC power
The unique biological effects stimulated by short pulsed electric field have many applications in tumor treatment, such as irreversible electroporation, electrochemotherapy, gene transfection and immune therapy. These biological effects require high voltage pulses with different pulse width in the range from nanoseconds to
High-voltage square-wave nanosecond pulse generator has a broad application prospect in the fields of atmosphericn low-temperature plasma, biomedicine and power equipment detection. Pulse forming line is an effective way to realize high-voltage square-wave nanosecond pulse output. However, the existing technology is difficult to coordinate the
The capacitive energy storage pulse power supply is the most mature and extensive power supply for electromagnetic drive system at present. Current voltage time simulation verification diagram. Full size image Y., Weiqun, Y.: Development and present situation of electromagnetic railgun launching technology. High Voltage Eng. 40(4), 1052
Throughout the paper, we consider a second-order resistance-capacitance (RC) model proposed by SAFT Batteries, Inc. for high-power Li-ion batteries [[24], [25]].As shown in Fig. 1, it consists of two capacitors and three resistors.The resistor R o represents the electrolytic resistance within a battery cell. The double RC circuits in parallel can
lab/simulation, which verifies the feasibility of the proposed control method and provides a new idea for PWM rectifier control of the linear generator. The bidirectional buck-boost converter is the main part to control the energy flow of the battery and other storage components. This proposed energy storage model offers good
The fully charged HV DC-link energy-storage capacitor is partially discharged to the electrodes through a HV inverter to produce high-amplitude bipolar
The AC/DC electrostatic module in COMSOL Multiphysics simulation software was adopted to operate numerical simulation experiments on the discharge channel expansion of the internal electric field of synthetic sample under high voltage pulse discharge (Jafari et al., 2023, Mohamed et al., 2023). The high voltage pulse discharge breakage model
1. Introduction. The essence of pulse power is energy compression technology, that is, the process of increasing energy density in space and time (Lampasi et al., 2017, Lampasi et al., 2019, Wang et al., 2020).The energy of small power is slowly input into the intermediate energy storage device for a long time to form pulse signal through
Marx generator is a conventional high-voltage pulse-generating device that generates high-voltage electrical pulses through the serial discharge of multiple
In rock engineering, high-voltage pulse technology has attracted attention because it offers environmental protection, controllable energy, and repeatable discharge. It is necessary to study the fracture behavior of rock under high-voltage pulse discharge (HVPD) for the parametric design of rock breaking thereby. HVPD experiments were
The high-voltage charging and energy storage system (refer to Fig. 7 for the physical diagram and Fig. 2 for the schematic diagram) can realize the coal body breakdown. It was mainly composed of a power supply, pulse capacitor, current limiting inductor protection, isolation power supply, discharge switch, and communication
Regarding the scientific literature, a huge number of RES-based microgrids present a connection scheme similar to Fig. 1.That is, there is a high voltage-DC bus supported by the battery bank as ESS, and additional renewable sources (photovoltaic panels, wind turbines or fuel cells) are connected to DC-bus by means of DC/DC power
The SB sample presents comparatively high energy-storage performance with W rec of 5.81 J/cm 3 at 600 kV/cm, presenting potential application for high-voltage
The simulation results indicate that the shape of the plasma channel has little relationship with the pulse peak voltage, and the rock-breaking volume of a single pulse is positively related to
High voltage electric pulse. Hilbert-Huang transform. the development of this technology is challenged by the high cost of high-energy storage capacitors and advanced discharge materials. evolution of dominant frequency components in acoustic emissions of instantaneous strain-type granitic rockburst simulation tests. Rock Soil
Accepted Jul 30, 2015. This paper aims to model the Superconducting Magnetic Energy Storage. System (SMES) using various Power Conditioning Systems (PCS) such as, Thyristor based PCS (Six-pulse
In this paper, we will present the numerical simulation approach (circuits and fields) and optimization of a compact high voltage pulsed transformers, that we
ergy storage unit in EMP simulation devices [10,14,15]. Especially with the development of the pulsed power driver compresses the slowly charged electric energy into a high-voltage fast pulse in the nanosecond range, which is then fed into the antenna through a connecting port. The antenna converts the electrical pulse into an
The SB sample presents comparatively high energy-storage performance with W rec of 5.81 J/cm 3 at 600 kV/cm, presenting potential application for high-voltage pulse capacitors. Fig. 8 (g 1 ) and (g 2 ) show the P-E loops of SA and SB samples tested until cycled 1000 times and their corresponding energy-storage performance to assess
The simulation results confirm the performance and efficiency of the presented CCPS. capacitors as energy storage elements have been widely used in power supplies in various systems [1]. Despite the good features of these elements such as high reliability, large capacitive pulse system has high-voltage and high charge current; moreover
1. Introduction. Pulse power technology refers to the fascinating field of electrical physics where smaller amounts of energy are carefully stored over longer durations and then, through compression and transformation, released with an astonishingly high-power density within an extraordinarily brief span of time [1, 2].As nuclear physics,
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