Why is series resonance a very suitable detection instrument

a) Small size, light weight, easy to transport and install on site

Traditional test transformers have large capacity, large volume, and weight measured in tons, making on-site handling extremely difficult.

Series resonant device: The required power capacity is only 1/Q of the capacity of the test sample (Q is the system quality factor, usually 20-80), thus greatly reducing the volume and weight of the power supply and excitation transformer. The entire system can be designed as a mobile car or portable module, which is very suitable for on-site use in substations, fields, and other locations.

b) Effectively diagnose insulation defects

The AC withstand voltage test can better simulate the AC voltage stress experienced during operation, and is more effective in detecting transformers than the DC withstand voltage test GIS、 The insulation weaknesses of cables and other equipment.

The series resonant equipment provides pure sine waves that are in line with actual operating conditions, and the test results are accurate and reliable.

c) Has a "protective effect" on the test substance

Once the test sample breaks down and the resonance condition is disrupted, the high voltage output automatically drops sharply, and the short-circuit current is very small.

The arc energy at the breakdown point is very low and will not cause serious secondary damage to the test sample, preserving the original form of the fault point for subsequent analysis.

d) Low demand for experimental capacity

As mentioned above, the input capacity of the power supply is much smaller than the apparent power of the test, which requires low requirements for on-site power sources (such as diesel generators) and solves the problem of insufficient on-site power capacity.

e) Automatic tuning, safe and easy to operate

Modern series resonance equipment adopts automatic frequency modulation mode, which can automatically find the resonance point and maintain resonance under the test voltage, stabilize the output voltage, and have a high degree of automation, reducing human operation errors.

Although it is understood that series resonance equipment is a very suitable testing instrument, I also hope to save some funds when purchasing and become an excellent testing instrument for my factory's testing equipment. In fact, series resonance offers continuous discounts and is worth choosing.

Many people initially think that series resonance is a detection instrument with poor performance, which takes a lot of time to calibrate during installation, and requires many steps to operate during use. When people really choose it, they will feel that its installation method is particularly simple, and when using it, they only need to debug the corresponding data and can directly detect it without any additional steps. Considering series resonance is a very good measure when dealing with data issues such as current and voltage of any factory testing equipment, as it can provide timely information and find a suitable solution.

When choosing, people will also feel that its overall price is not as high as they think. Any factory has a corresponding cost budget that exceeds the cost when purchasing, and they will also consider whether they feel like purchasing. After comparing different manufacturers, it will be found that its price is relatively favorable. If you purchase a large quantity at once, the manufacturer will also give you a certain discount, which can save you some money. Therefore, choosing it will not cost you a lot of money and can also have good testing results

Therefore, it is possible to have a clear understanding of the current state of series resonance in the market, whether it is worth choosing and whether it can bring good practical value. However, it is still necessary to choose according to one's actual needs in order to avoid making mistakes and causing losses to oneself.