Although HTSPPT integrates energy storage and pulse compression together, the modular design of HTSPPT is needed to reach tens or hundreds of kA current. In the previous studies, the circuit topology with multiple HTSPPT modules was designed for a superconducting inductive pulsed power supply [6–8].
High temperature superconducting pulsed power transformer (HTSPPT) provides an efficient method for inductive energy storage and current multiplication. …
The inductive energy storage module consists of a superconducting coil (Lc), a switching element (IGBT 5), a switching element (IGBT 6), a diode (Dl) and a diode (D2). （Lc）、（IGBT5）、（IGBT6）、（D1 ...
A large-current pulse type inductance energy storage power supply processor is characterized by comprising a power supply conversion module (1), an energy storage discharge module (2), a pulse control module (3), a switch driving module (4) and a power
SiC MOSFET modules have been evaluated under unclamped inductive switching test environment Maximum avalanche current remained insensitive with variation of temperature The maximum amount of avalanche energy (EAS) sustained by the device before failure stays at 2.43 - 3.23 J for the tested power modules.
In the gas switches of a high-voltage storage, the problems of stability of frequency operation and the lifetime are acute [21][22][23]. Research on the use of solid-state switches in high-power ...
In other words, most of the commercial pulsed-power sources nowadays consist of many identical modules. In order to make the circuit of Fig. 1(a) fit the modular concept, we have modified it to ...
Abstract: In this paper, we present the concept and design of a four-module solid state Marx generator which is based on power MO SFETs. In each module, a self-made inductor is added based on the previous Marx circuit 1, so that both capacitor energy st orage (CES) and inductive energy storage (IES) are adopted, in this circuit, charging switch also acts …
In [28], a boosted bipolar pulse generator was realized by turning on and off multiple sets of switches. In [29], an inductive energy storage solid-state Marx circuit was proposed, whose output ...
transformer modules and a capacitor connected in parallel. Compared with the traditional XRAM circuit, the same number of inductive energy storage modules can be used to generate higher current ...
A multimodule repetitive superconducting IPPS model for a railgun system that is suitable for driving the simple railgun and concludes that the system performances conflict with each other and the optimal capacitance value for each HTSPPT module should be determined by the tradeoff of system performances. The superconducting inductive …
Superconducting inductive pulsed power supplies have attracted a lot of attention due to its lower electrical loss and higher energy storage density than traditional inductors. To effectively improve charging rate and output continuous current pulses, a repetitive inductive pulsed power supply circuit topology based on high-temperature …
The energy density of the inductive energy storage systems is one order of magnitude higher than that of the capacitive ones. Therefore, they have potential applications in the future.
The energy storage inductor is the core component of the inductive energy storage type pulse power supply, and the structure design of the energy storage …
Compared with the traditional XRAM circuit, the same number of inductive energy storage modules can be used to generate higher current pulses. This circuit is also capable to …
Inductive energy storage systems have a higher energy density than capacitive systems. The drawback, however, is the need of opening switches in order to commutate the current into the load.
Although the capacitive energy storage (CES) has been the dominating method so far, it has been long since people realized that inductive energy storage (IES) could be more efficient and compact [4]. The obstacle that has hampered IES has been the lack of suitable opening switches, because high-voltage, high-speed, and high-efficiency opening switch …
However, as the number of stages increases, the voltage levels of energy storage capacitors and solid-state switches will increase dramatically. In [ 25 ], a 21-level prototype of the proposed inverter with 32 V input voltage and high gain 10 by using four modules was proposed.
An inertial-inductive energy storage system is described, made up of modules each storing, nominally, ten megajoules. The energy in each module is stored initially in two counter-rotating flywheels which are arranged inside an air-cored inductor to form a self-excited homopolar generator.
Magnetic cores in LTD modules are used as intermediate energy storage from which the electrical energy is extracted when the switches are turned off. Voltage adding has been confirmed by using a three-module stack and, with an input charging voltage 41.5 V, a peak output voltage of ~2.6 kV was obtained on a 120-Ω resistive load, with pulsed length of …
Abstract: The all-solid-state inductive energy storage pulse forming line modulator is a brand-new solution to achieve a high repetition rate, high voltage gain, and short pulse output. However, due to the non-ideal dynamic characteristics of the switch and the fixed …
Ignition requirements vary with the fuel used. To make Hydrogen Spark Ignited Internal Combustion Engines (H 2 SI-ICEs) a viable alternative to other Zero Emission Vehicle (ZEV) technologies, the Total Cost of Ownership (TCO) needs to be low. H 2 requires high voltage but little energy to ignite, which are contradictory requirements for …
XRAM (MARX spelt back words) is currently a very important circuit for high current pulse generators. In our previous studies, an XRAM-like circuit was proposed based on multiple pulse transformer modules and a capacitor connected in parallel. Compared with the traditional XRAM circuit, the same number of inductive energy …
This model can fill the gap in performance predictions, and can serve as a reference for the design and optimization of vacuum arc thrusters developed in the future. The main results are as follows. (1) A circuit model was built to calculate the current-time curve and discharge energy.
Pulsed current generators using inductive energy storage (IES) can satisfy this demand, and there have been many studies on inductive pulsed current generators [12,13,14,15]. When the current flowing through the inductor changes, counter electromotive force will be generated at both ends of the inductor to maintain the original …
Inductive energy storage systems reach energy densities being one order of magnitude higher than those of capacitive storages. Hence, pulsed power supplies for electric weapon or defense systems can be much more compact with inductive storages instead of capacitive ones. There is, however, one hurdle to be cleared: Inductive …
Inductive energy storage devices, also known as pulse forming networks (PFN), are vital in the field of high-power pulsed technology. They store energy …
experiments, the test on a four-stage inductive Marx circuit has been carried out. With the charging voltage of −200 V, the output peak voltage of ∼9.2 kV was generated on an 800-capacitor is large enough, the discharge result will be …
Superconducting pulsed-power supply (SPPS) provides an efficient method for both high-density inductive energy storage and high current pulse generation. An SPPS consisting of eight high-temperature superconducting pulsed-power transformer (HTSPPT) modules with XRAM methodology was designed and simulated in preliminary studies. It …
Each module consists of 18 energy storage capacitors, metal‐oxide‐semiconductor field‐effect transistors and their driving circuits connected in parallel. The pulse generator can output ...
where it is seen that, usually, the energy density of inductive storage systems is, in average, two orders of magnitude greater than that of capacitive systems. However, inductive storage systems require opening switches instead of closing switches for capacitive storage systems, being the last ones more common and with a higher …