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Application

This equipment is mainly used for SPD TOV test caused by the failure in medium and high voltage system. It can be also used in other scientific research.

Standard

IEC61643.1, GB18802.1, other national standards and customer specified

Advantages and Features

1. Be equipped with computers, set the TOV power parameters through the software interface, test automatically
2. Draw current and voltage waveform automatically, save the waveform as BMP format, edit the lab report conveniently.
3. Record test time, test current, test voltage automatically and the data can be saved.
4. Display real-time data of current and voltage through computer interface
5. Emergency protection button
6. Power supply cut off automatically in case of overcurrent
7. Double protection from both overcurrent and relay
8. The alarming of the power supply fault
9. The L－N，N－PE，L-PE voltage and current can be measured optionally
10. Installation: Cabinet installation with two cabinets.

Technical Specification

• Power supply:
• Test power transformer:

           Output voltage: max AC continuous work voltage UCS=

           Output duration time: 15min

• Boosting transformer: 

         Input:  

         Output:      , duration time: 5s

         Test current limited in 300A (Effective value)

• Duration time of voltage and current range: 10ms ~ 10s
• Output waveform distortion factor: ≤3%