Reliable oil-insulated top core design current transformer for outdoor use
LVB/IMT oil-insulated current transformer for outdoor installations are based on a top core design with metallic expansion bellow. All our current transformers are built-to-order to customer specifications. Their optimized design withstands a wide range of primary currents and meet customers’ demand on high current rating, low temperature rise in operation, strict control compression ratio and compressive strength with multi-limit safe sealing.
The LVB/IMT is a reliable product with minimum maintenance and suitable for wide range of environmental conditions.
- Revenue metering
- Protective relaying
- System control and indication of power flow
Why Hitachi Energy?
- Optimized insulation design and processing technic for enhanced reliability with outstanding insulation
- LVB/IMT current transformer can meet the requirements for large capacity of power system and reclosing operation with transient protection windings
- It is designed for wide range of environmental conditions from tropic to polar climate
Brief performance data
|Highest voltage for
|40.5 - 550 kV|
|Max. primary current||Up to 4000 A|
|Short-circuit current||Up to 63 kA/3s|
|Insulators||Porcelain (silicon rubber optional)|
|Creepage distance||≥ 31 mm/kV (longer on request)|
||-40 ºC to +40 ºC (standard)|
||Maximum 1000 m (standard)|
|*Other temperatures and altitudes are possible|
|Accuracy||Meets all IEC andIEEE metering and protection classes
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