Simple and compact capacitive voltage probe for measuring voltage impulses up to 0.5 MV

Area of Science:

• Electrical Engineering
• Physics

Background:

• High-voltage measurements are crucial in power systems and research.
• Existing high-voltage probes can be complex or bulky.
• A need exists for simple, compact, and accurate high-voltage measurement tools.

Purpose of the Study:

• To describe the design and characteristics of a novel 0.5 MV high-voltage capacitive probe.
• To present a straightforward methodology for assessing high-voltage probe performance.
• To demonstrate the practical application of the developed probe.

Main Methods:

• Development of a compact 0.5 MV high-voltage capacitive probe.
• Utilizing a 4 kV pulsed arrangement for probe characterization.
• Employing a 2D electric field solver and PSpice circuit analysis.
• Conducting practical high-voltage measurements.

Main Results:

• A functional and compact 0.5 MV high-voltage capacitive probe was successfully developed.
• The assessment methodology provided reliable characterization of the probe's performance.
• The probe was effectively used for measurements during high power microwave generator development.

Conclusions:

• The developed capacitive probe offers a simple and compact solution for high-voltage measurements.
• The combined methodology of pulsed testing, field solving, and circuit analysis is effective for probe characterization.
• This probe is suitable for applications in high-voltage research and development, such as in high power microwave systems.