A high-voltage amplifier is an amplifier capable of outputting a high voltage and has various applications, one of which is in dielectric materials. Dielectric materials refer to substances that can maintain a certain state of charge and electric field, and their characteristics include insulation, polarizability, and dielectric constant. Next, Antai Electronics will introduce the application of high-voltage amplifiers in dielectric materials in detail.
Dielectric constant test
The dielectric constant is an important parameter of dielectric materials, which describes the degree of interaction between the electric field inside the medium and the external electric field. High-voltage amplifiers provide a stable, precise high-voltage output to excite dielectric materials and observe their response to determine the dielectric constant. This helps to understand the electrical properties of dielectric materials at desired frequencies and provides fundamental data for the development of new dielectric materials.
Figure: ATA-7000 Series High Voltage Amplifier
Analog Domain Failure Detection
Dielectric materials are generally widely used in various power equipment and electronic components. However, during long-term use, dielectric materials may fail due to mechanical or environmental factors. The high-voltage amplifier can generate a large number of high-voltage signals to simulate the high-voltage impact of the dielectric material under actual working conditions, so as to detect whether the dielectric material is prone to failure under high voltage.
Dielectric Discharge Research
There are defects such as conductors, voids, etc. in the dielectric material, which may cause dielectric discharge. Dielectric discharge refers to the generation of partial discharge inside the medium, causing damage or failure. The high-voltage amplifier can provide sufficient high-voltage output to make the dielectric material discharge, observe and analyze the mechanism of the discharge, and explore the electrical properties of the material and how to improve its withstand voltage performance.
High Voltage Insulation Test
High voltage amplifiers can also be used for high voltage insulation testing of dielectric materials. Insulation testing evaluates a material's ability to withstand voltage, usually by subjecting it to high voltages. The high-voltage signal generated by the high-voltage amplifier can simulate the high voltage received under the actual application conditions, so as to evaluate the insulation performance of the dielectric material.
Figure: ATA-7030 High Voltage Amplifier Index Parameters
isolation amplifier
In addition to being used in the testing and research of dielectric materials, high voltage amplifiers can also be used as isolation amplifiers, where high voltage isolation between the input signal and the output signal is required. This isolation amplifier is widely used in medical, communication and other fields, and its high voltage stability and output signal accuracy make it an excellent isolation amplifier choice.