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K-Rated Transformer
K-factor is defined as a ratio between the additional losses due to Harmonics and the Eddy current losses at 50Hz. K-Factor is defined as a ratio between the additional losses due to harmonics and the Eddy current losses at 50Hz. It is used to evaluate transformers for nonlinear loads. Transformers with a rated K-factor of 13, 20 and 30 are available.
Typically a K Factor of 13 is sufficient for most applications. K factor must be determined to calculate the right size transformer that is needed.
FARMAX has consolidated its position in transformer industry as one of the highest quality K-rated Transformer manufacturers in Bangalore. Our wide range of K-rated transformers are manufactured to meet the highest specifications and adhere to all the international standards.
Contact for detailed technical brochureFeatures
- Coil design is optimized for low Eddy current loss and high harmonic current carrying capacity.
- Cores designed for reduced flux densities to compensate for harmonic voltage distortion.
- Equipment Malfunctioning.
- Equipment Vibrations.
- Breakers Tripping.
- Lower Output impedance.
- Excellent transverse mode Noise Attenuation.
- Double size Neutral terminal.
- Core of high quality electrical steel.
TECHNICAL SPECIFICATIONS
| Rating | 10KVA to 500KVA |
|---|---|
| Type of Transformer | Floor mounted, Natural air-cooled /Forced air cooled |
| Configuration | Delta / star 1:1 OR 2:1 (or as per user requirement specification) |
| Default Vector Group | Dyn11 |
| Type of lamination | CRNO |
| Impedance phase | 3-4% |
| Primary Voltage | 415 V |
| Secondary voltage | 415/220V |
| Neutral conductor rating | 200% |
| Frequency | 50/60 Hz |
| Winding | Copper Wire / Strip or Aluminium wire / strip |
| Load Regulation | Better than 3% |
| Class of insulation /level | Class H /180 deg C |
| Ambient temperature | 0 to 45°C |
| Efficiency | 3 - 20 kVA (>95%), >20kVA (>97%) |
| Insulation Strength | Withstands 2.5 kV for 1 minute (in between windings & in between windings and body) |
| DC galvanic isolation | > 1000 Mega Ohms |
| Common Mode noise rejection | Up to 10kHz > 100 dB |
| Indications | LED Lamps for Output Presence Digital Voltmeter (DVM) - optional |
| Enclosure | M.S. Enclosure provided with Input / Output terminations |
| Construction standards | UL-1561, IS 11171 |