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Instrument transformer TVI
dryprotectionfor outdoor service

instrument transformer
instrument transformer
instrument transformer
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Characteristics

Type
instrument
Configuration
dry
Applications
protection, for outdoor service, for explosive atmospheres
Other characteristics
safety, laminated, SF6 gas-insulated, high-voltage, voltage, inductive voltage, floor-standing
Secondary voltage

Max.: 420 kV

Min.: 72.5 kV

Description

Gas-insulated instrument transformer for enhanced safety and reliability TVI is a SF6 gas-insulated Inductive Voltage Transformer built for revenue metering and protection in high voltage networks. The TVI has been designed for voltage up to 420 kV. • Suitable for both metering and protection • Magnetic cores made of laminated steel with oriented grain and a high level of permeability • Windings made of electrolytic copper • Safety margin for normal wind loads, stress from conductors and seismic forces • Remote control of the internal insulation level by means of pressure gauge provided with an alarm threshold and lock threshold • A pressure relief device protects the apparatus from internal overpressure Applications • Revenue metering • Protective relaying • System control and indication of power flow

Catalogs

*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.