Digital CT VT Tester/Calibrator HEWD-2A

Technical Parameter

Major Feature

1. Digital output error testing of digital type CT VT
1) Ratio and phase error testing
2) Meet with IEC61850-9-1,IEC61850-9-2,IEC61850-9-2LE and IEC60044-FT3 protocols
3) Suiitable for various optical fiber interfaces
4) Holography analysis of message of IEC61850-9-1/IEC61850-9-2
5) Record of error record of test points and data search/store/print by software
2. Analog output error testing of digital CT/VT and conventional CT/VT
1) Ratio and phase error testing of digital CT/VT
2) Ratio and phase error testing of conventional CT/VT by converting into voltage signal through
standard converter
3. Can test higher namely 0.2S class digital CT/VT
4. Analoging of small signal output
5. Harmonic waveform analysis of input signals of digital CT/VT under test, generation of spectrum curve,
record of content of each time harmonic (up to 50times harmonic), and calculation of harmonic distortion.
6. RMS value parameters analysis (amplitude, phase, frequency and etc) of input standard signal
7. Real-time displaying output waveform, standard signal waveform, polarity, sync status and percentage
value under test point of CT/VT under test
8. Polarity and time-delay test of digital CT/PT by using inbuilt PPS (pulse per second) and B code
to output sync signal
9. Operating by tablet by App software (optional)
10. EMC meet with standard IEC60044-8
11. User-Friendly PC software
12. English interface and other language available according to client requirements

Zhengzhou Great Electric Co.,Ltd, established in 2011, is a fast growing company in Zhengzhou, Henan Province, in the same year, Henan Muchen Trading Co.,Ltd was founded as our export sales company, taking charge of all export deals.

We specialize in production & supply of high-quality products for power field, high voltage field, power lab, etc. Our major products includes: meter test equipment, transformer test equipment, high voltage test equipment, relay test equipment, instrument transformer…etc.

After ten years’ efforts and focusing on products improvement, our solution & offer can compete with some major competitors from Europe and US, such as Zera, MTE, Radian…etc, just as a result, we setup strong relationship with our partners in some countries like Brazil, India, Vietnam, Bangladesh, South Africa, Paraguay, Colombia, Israel, Uzbek, Malaysia, Indonesia….etc

Together with our partners in overseas countries, we won many projects and also we are winning.

We offer technical and commercial assistance to our customers, serving them to maintain their time and cost schedules; we offer valuable solution and help our partners to win with excellent quality with competitive prices and good after sales service; we are devoted to develop and setup partnership with our clients to get one win-win.

Our management team and experienced staff are committed towards meeting our client’s specific objectives by offering valuables.

Our mission is: Focus on power field, basing on technology and innovation, providing valuable solution, grow together with our partners in the world.

Welcome to visit us and we are here ready to provide all the necessary assistance you want, sincerely hope we can have good chances to work together and setup long term cooperation relationships.