Types UT5, UT5H, UT5D
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Types UT5, UT5H, UT5D - 1

Inductive Voltage Transformers

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two bushing voltage transformer Trench is a recognized world leader of high voltage equipment for application on electric utility and high energy industrial systems. As part of Trench's product scope, the Company produces a diversified range of Instrument Transformers electrical systems. Instrument Transformers include: • Voltage (Potential) Transformers (both inductive and capacitive • Combined Instrument Transformers (voltage and current transformer in Voltage Transformers must convert transmission class voltages to measurable values, which will be used for metering, protection and...

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Features and Standard Equipment • meets all ANSI and IEC metering and protection class accuracies (other standards on request) • standard thermal burdens from • single bushing and two bushing designs available • quality Assurance in accordance • Hi-ACC™ , 0.15% accuracy units • highly refined and processed oil/paper insulation system • excellent seismic performance as a consequence of optimized design of flanges, porcelain and their • excellent control of internal and external insulation stresses • hermetically sealed construction using nitrile rubber gaskets • essentially unaffected by...

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Types UT5, UT5H, UT5D - 4

Catalog Numbering System Voltage transformer catalog numbers consist of a type (number) followed by a suffix. • The TYPE number consists of the transformer Series desig-nation followed by the BIL Rating (in kV). In this • The SUFFIX consists of the System Voltage (in kV). In The table below lists ratings and complete catalog numbers for single-bushing and two-bushing voltage -System Voltage Nominal system voltage (in kV) Basic lightning impulse insulation level (in kV) UT5 15-230 kV ratings, single-bushing design; UT5H Similar to UT5 series, but with an improved accuracy rating of 0.15%,...

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Accuracy Selection Accuracy Rating 1)The accuracy rating is based on the sum of the burdens on both windings not exceeding the values listed above. 3) Contact factory for additional information on Hi-ACC™ High Accuracy transformers. 4) The 0.1 5% parallelogram is constructed using the same principles as the 0.3% paral- lelogram in accordance with ANSI Standard C57.13, except the maximum phase angle and ratio correction factors of the 0.1 5% parallelogram are half those of the 0.3% 5) The listed burden rating is for line-to-line application only. Burdens for line-to-ground application,...

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Single - Bushing Voltage Transformers

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Two - Bushing Voltage Transformers

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Trench Facilities Trench® Austria GmbH Paschinger Strasse 49 Postfach 13 A-4060 Linz-Leonding Austria Phone: 43-732-6793-0 Fax: 43-732-671341 Trench® Brasil Ltda Via Expressa de Contagem, 2685 Contagem, Minas Gerais CEP 32370-485 Brazil Phone: 55-31-3391-5959 Fax: 55-31-3391-1828 The Trench Group is your partner of choice for electrical power transmission and distribution solutions today; and for the development of your new technology solutions of tomorrow. Trench® Limited Instrument Transformer Division 390 Midwest Road Scarborough, Ontario Canada M1P 3B5 Phone: 416-751-8570 Fax:...

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