Oil Filled, Line to Ground
VOLTAGE TRANSFORMERS
6.6kV - 33kV
Image - 22kV Voltage Transformer
Instrument Transformer Technologies provides a range of Oil Filled, Outdoor, Post Type, Voltage Transformers for distribution substations, protection and metering. Units also available as a Power Voltage Transformer for limited single phase supply.
PRODUCT IMAGES
Please note some images are used as illustrations only, actual products may vary slightly.
SPECIFICATIONS
Nominal Voltage Un | kV | 6.6 | 11 | 22 | 33 |
---|---|---|---|---|---|
Highest System Voltage Um | kV | 7.2 | 12 | 24 | 36 |
Lightning Impulse (BIL) | kV | 60 | 95 | 170 | 200 |
Power Frequency Withstand (60s) | kV | 20 | 28 | 50 | 70 |
Specification | IEC 60044-1 | ||||
Insulation Medium | Paper / Oil | ||||
Bushings // Creepage | mm/kV | 31 (Very High Pollution) | |||
Terminal | mm | M12 x 35 | M14 x 52 | M20 x 60 | |
Tank Finish | Zinc sprayed, Red Oxide undercoat, 2 x Enamel final coat | ||||
Primary Voltage | kV | 6600 | 11000 | 22000 | 33000 |
Secondary Voltage | V | 110 or 220 or as per Customer Specification | |||
Burden | VA | 25 to 1000 | |||
Class | Metering and Protection | ||||
Voltage Factor | 1.9 | ||||
Windings | Up to 2 | ||||
Power Winding | Available up to 5000 VA |