Pole Mounted
CT.VT. METERING UNITS
11kV 22kV 33kV
Image - Pole Mounted CT.VT. Metering Unit
Instrument Transformer Technologies provides a range of Compact Oil Filled, Pole Mounted, Combined Three Phase, Current and Voltage Transformers. (Metering Unit) for cost effective metering applications on distribution systems and rural feeders. LV Winding Fused
PRODUCT IMAGES
Please note some images are used as illustrations only, actual products may vary slightly.
SPECIFICATIONS
Nominal Voltage Un | kV | 11 | 22 | 33 |
---|---|---|---|---|
Highest System Voltage Um | kV | 12 | 24 | 36 |
Lightning Impulse (BIL) | kV | 95 | 150 | 200 |
Power Frequency Dry (60s) | kV | 28 | 50 | 70 |
Specification | IEC 60044-1 & IEC 60044-2 & IEC 60044-3 | |||
Rated Current | A | 10 to 600 | ||
Short Time Current for 1 Second | kA | 4 to 20 | ||
Insulation Medium | Paper/Oil | |||
Bushings / Creepage | mm/kVA | 31 (Very Heavy Pollution) | ||
Terminals | mm | M12 x 35 | M14 x 52 | M20 x 60 |
Tank Finish | Zinc sprayed, Red Oxide undercoat, 2 x Enamel final coat. | |||
VT Ratio Primary | V | 11000 | 22000 | 33000 |
VT Ratio Secondary | V | 110 or 220 | ||
VT Burden | VA | 25 to 200 | ||
VT Class | 0.2/0.5 | |||
Voltage Factor | 1.9 | |||
VT Core | 3 Phase 3 Limb or 3 Phase 5 Limb | |||
CT's / Unit | 2 or 3 Phases / Up to 2 per Phase | |||
CT Ratio Primary | A | 10-20-30-40-50-60 or 50-100-150-200 or 150-200-250-300-400-500-600 | ||
CT Ratio Secondary | A | 1-2-5 | ||
CT Burden | VA | 1 - 10 | ||
CT Class | 0.2S/0.2/0.5 |