General (IT series three-phase dry type transformer)
IT series single - phase and three - phase dry type transformer adopts high quality material and advanced technology , it has advantages of damp - proof and convenient maintenance, it can be applied to such power transmission and distribution places like underground railway , high building, airport, station, wharf, enterprise, tunnel, etc. It is mainly used in power supply occasions of AC 50~60Hz and voltage less than 500V. All the input and output voltage , connection group and capacity of tapped winding can be designed and produced according to users requirements.
Working conditions (IT series three-phase dry type transformer)
- Ambient temperature: -15°C~+40°C
- Altitude: <1000m
- Relative humidity: <90%
- Environment exists without gas, steam, chemical deposition, dust or dirt that will affect transformers insulation seriously, also explosive or corrosive medium is not allowed.
- If any special working conditions that are not in line with the above stipulations, user shall negotiate with us.
Main technical characters (IT series and three-phase dry type transformer)
- Input voltage: rated voltage ±10%
- Output voltage: rated voltage +1% (no load)
- Efficiency: ¥96%
- Waveform distortion: no additional waveform distortion
- Function: indication of input voltage, output voltage and current.
- Protection: over-current protection
- Can operate itself without anybody attending for a long term
- Insulation resistance:¥50M
- Electric strength: no breakdown or flash over phenomenon under power frequency sine voltage of 2000V for 1min
- Overload capability: for 1min under two times of rated current
- Power: 5KW - 250KW (or lager range)