Related Experiment Video
Updated: Feb 5, 2026

08:51
Magnetic Resonance Imaging of Multiple Sclerosis at 7.0 Tesla
Published on: February 19, 2021
9.8K
Note: Investigation of a Marx generator imitating a Tesla transformer.
1Department of Physics, Columbia University, 538 West 120th Street, New York, New York 10027-5255, USA.
The Review of Scientific Instruments
|September 7, 2018
Summary
A compact Marx generator was developed to replicate spark-gap Tesla transformers, offering robust performance for radio-frequency pulse generation. This new design shows promise for advanced applications like laser-guided spark discharges.
Area of Science:
- Electrical Engineering
- Plasma Physics
Background:
- Spark-gap Tesla transformers are crucial for high-voltage, high-frequency applications.
- Developing compact, robust high-voltage pulse generators is an ongoing engineering challenge.
Purpose of the Study:
- To design and construct a compact Marx generator capable of mimicking a spark-gap Tesla transformer.
- To characterize the performance of the developed generator in terms of voltage, current, and frequency.
- To explore potential applications of the generator in areas such as controlled spark discharges.
Main Methods:
- Construction of a compact Marx generator circuit.
- Experimental testing to measure output voltage, current, and frequency.
- Analysis of the generator's tolerance to circuit parameter variations.
Main Results:
- The Marx generator successfully produced radio-frequency pulses with voltages up to ±200 kV and currents up to ±15 A.
- The operating frequency ranged from 110 to 280 kHz at a repetition rate of 120 Hz.
- The generator demonstrated greater tolerance to circuit parameter perturbations compared to conventional Tesla transformers.
Conclusions:
- The compact Marx generator effectively mimics a spark-gap Tesla transformer.
- The device's robust performance and high-voltage output open possibilities for advanced research.
- Potential applications include the control and laser guiding of spark discharges, advancing plasma physics research.
Related Concept Videos
Bacterial Transformation
60.1K
In 1928, bacteriologist Frederick Griffith worked on a vaccine for pneumonia, which is caused by Streptococcus pneumoniae bacteria. Griffith studied two pneumonia strains in mice: one pathogenic and one non-pathogenic. Only the pathogenic strain killed host mice.
Griffith made an unexpected discovery when he killed the pathogenic strain and mixed its remains with the live, non-pathogenic strain. Not only did the mixture kill host mice, but it also contained living pathogenic bacteria that...
Griffith made an unexpected discovery when he killed the pathogenic strain and mixed its remains with the live, non-pathogenic strain. Not only did the mixture kill host mice, but it also contained living pathogenic bacteria that...
60.1K
Transformers
1.9K
A device that transforms voltages from one value to another using induction is called a transformer. A transformer consists of two separate coils, or windings, wrapped around the same soft iron core. However, they are electrically insulated from each other.
The iron core has a substantial relative permeability. Therefore, the magnetic field lines generated due to the current in one winding are almost entirely confined within the core, such that the same magnetic flux permeates each turn of both...
The iron core has a substantial relative permeability. Therefore, the magnetic field lines generated due to the current in one winding are almost entirely confined within the core, such that the same magnetic flux permeates each turn of both...
1.9K
Transformation
1.1K
Microbial communities are dynamic environments where cell lysis releases free DNA into the surroundings. Other cells can take up this extracellular DNA through a process known as transformation.When a cell incorporates this foreign DNA into its genome, resulting in genetic modification, the process is known as transformation. Cells capable of this process are termed competent. Competence can be natural, as observed in certain bacteria and archaea, or artificially induced in the...
1.1K
The Ideal Transformer
1.4K
In single-phase two-winding transformers, two windings are coiled around a magnetic core characterized by cross-sectional area A and magnetic permeability μ. A phasor current i1 enters the left winding while i2 exits the right winding, establishing the fundamental working of the transformer through electromagnetic principles.
Ampere's Law forms the basis of understanding the magnetic field within the transformer. It states that the integral of the magnetic field intensity's tangential...
Ampere's Law forms the basis of understanding the magnetic field within the transformer. It states that the integral of the magnetic field intensity's tangential...
1.4K
Properties of the z-Transform II
437
The property of Accumulation in signal processing is derived by analyzing the accumulated sum of a discrete-time signal and using the time-shifting property to determine its z-transform. This principle reveals that the z-transform of the summed signal is related to the z-transform of the original signal by a multiplicative factor.
Moreover, the convolution property indicates that the convolution of two signals in the time domain corresponds to the product of their z-transforms in the frequency...
Moreover, the convolution property indicates that the convolution of two signals in the time domain corresponds to the product of their z-transforms in the frequency...
437
Three-Winding Transformers
722
Three identical single-phase transformers can be configured to form a three-phase transformer connection, which involves high-voltage and low-voltage windings. The high-voltage windings are denoted by capital letters A-B-C, while the low-voltage windings are labeled with lowercase letters a-b-c, representing their respective phases. This notation helps distinguish between the high and low voltage sides of the transformer.
In the per-unit equivalent circuit of a grounded Y-Y three-phase...
In the per-unit equivalent circuit of a grounded Y-Y three-phase...
722

