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Current transformer IMB
instrumentimmersedfor outdoor service

current transformer
current transformer
current transformer
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Characteristics

Type
current, instrument
Configuration
immersed
Applications
for outdoor service
Other characteristics
column type, oil-insulated, floor-standing
Current

Max.: 4,000 A

Min.: 0 A

Secondary voltage

Max.: 800 kV

Min.: 36 kV

Description

Flexible design enables customer-tailored solutions IMB oil-minimum current transformers are based on a tank type (hairpin) design and available with porcelain or silicone rubber insulators. Hitachi ABB Power Grids current transformers are tailor-made. The combination of different tank sizes, expansion systems, primary windings etc.,makes it possible to meet most customer requirements from 36 kV up to 800 kV. More than 170,000 units have been delivered and installed all over the world - from desert to arctic climates by Hitachi ABB Power Grids. Comprehensive service records show that the failure rate of IMB current transformers is up to four times lower than the industry average. Applications • Revenue metering • Protective relaying • System control and indication of power flow Why Hitachi ABB Power Grids? • For revenue metering and protection in high voltage networks, the oil-paper insulated current transformers IMB has the highest base in the world. • Due to the low center of gravity, the IMB is very suitable for areas with high seismic activity. • It is designed for a wide range of conditions, from polar to desert climate • The flexible tank type design allows large and/or many cores • The unique quartz filling minimizes the quantity of oil and permits a simple and reliable expansion system. The quartz filling also provides a mechanical support to the cores and primary winding. • Hitachi ABB Power Grids' vast experience and expertise enables in finding the optimum solutions as per site requirements.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.