Abnormal frequency line parameter tester

KDXC-III Off Frequency Line Parameter TesterIt is a high-precision testing instrument used for on-site testing of power frequency parameters of various high-voltage transmission lines (overhead, cable, and mixed overhead cable). The instrument is an integrated structure with a built-in variable frequency power module that can output power through variable frequency voltage regulation. The frequency can be changed to 47.5Hz \ \ 52.5Hz, 45.0Hz \ \ 55.0Hz, 57.5Hz \ \ 62.5Hz, 55.0Hz \ \ 65.0Hz, using digital filtering technology to avoid the interference of power frequency electric fields on the test, fundamentally solving the problem of accurate measurement under strong electric field interference. It is also applicable to situations where a generator is used for power supply testing after a complete power outage.

With the development of the power grid and the shortage of land for line corridors, it is becoming increasingly common to install multiple circuits on the same tower. The coupling between transmission lines is becoming more and more tight, and the interference during power frequency parameter testing of transmission lines is becoming stronger, seriously affecting the accuracy of testing and the safety of testing instruments and equipment. To address this issue, we have developed a new generation of transmission line abnormal frequency parameter testing system, which integrates variable frequency testing power supply, precision measurement module, high-speed digital processing chip, and technical anti induced voltage circuit; Effectively eliminating the influence of strong interference, ensuring the safety of instruments and equipment, and enabling extremely convenient, fast, and accurate measurement of power frequency parameters of transmission lines.

KDXC-III Off Frequency Line Parameter TesterIt mainly has the following characteristics:

Full touch ultra large LCD display

The instrument is equipped with a 7-inch large touch sensitive color display screen, a super comprehensive touch operation interface, simple operation, and all operation steps are very clear and understandable. Operators do not need additional professional training to use it. With just one click, the entire measurement process can be completed, making it an ideal intelligent measuring device at present.

Small size and light weight

The smallest volume and lightweight provide a simple and convenient testing method for experiments.

Easy and convenient to connect to the power supply

KDXC-III Off Frequency Line Parameter TesterAll measurement processes only need to be connected to the mains voltage of 220V, solving the inconvenience of on-site 380V voltage connection in existing measurement methods.

Ability to resist induced voltage

The instrument adopts a unique anti induction voltage circuit inside, ensuring that the instrument can withstand higher induction voltage (anti induction current can reach 30A) and can work normally under high induction voltage of 10000 volts.

Variable frequency technology, precise measurement

Strong anti-interference ability, the instrument is equipped with a built-in variable frequency power module to provide measurement output power, and the frequency can be changed to 47.5 Hz\\52.5Hz、45.0Hz\\55.0Hz、57.5Hz\\62.5Hz、55.0Hz\\65.0Hz， And using digital filtering technology, it effectively avoids various power frequency interference signals on site, enabling the instrument to achieve high-precision, accurate and reliable measurements.

High speed processor

Accurate and fast, the instrument uses a professional fast digital signal processor as the processing core, which greatly improves its own computing and processing capabilities while ensuring the accuracy of measurement data.

Easy to operate

The external wiring is simple, and the positive sequence impedance, zero sequence impedance, positive sequence capacitor, and zero sequence capacitor only need to be connected to the test line of the tested line once at the test end to complete all measurements; Solved the problems of cumbersome testing wiring switching, anti-interference, stability, accuracy, and other aspects that exist in existing testing methods; To avoid harm to experimental personnel caused by induced voltage during wiring changes.

Massive data storage

The instrument is equipped with a calendar chip and a large capacity memory, which can save the test results in chronological order, view the historical records at any time, and print them out.

Scientific and advanced data management

Instrument data can be exported through a USB flash drive, and can be viewed and managed on any PC to create work reports.

Operation safety protection

The instrument is specially designed with a grounding detection function to determine whether the instrument is well grounded on site. If the grounding is virtual or not connected, the instrument will automatically judge and prohibit personnel from operating to ensure personal safety and protect the use of the instrument.

II KDXC-IIIAbnormal frequency line parameter testerMain technical parameters