Outdoor current transformer
Outdoor current transformer
The document outlines the specifications for ELEQ's medium voltage outdoor current transformers. These transformers are designed with cast-resin insulation and are brown in color. They comply with standards such as VDE 0414, IEC 60044, ANSI C 57.13, and BS 1675. The insulation class is B, with a thermal current (Ith) of 1000 times the nominal current (IN), up to a maximum of 100 kA, and a dynamic current (Idyn) of 2.5 times Ith, up to a maximum of 125 kA. They operate at a frequency of 50-60 Hz, with other frequencies available upon request. The rated insulation voltage complies with the relevant standards.
Primary currents are detailed in Table 1, while secondary currents are available at 5A, 1A, or other values upon request. The performance and class depend on the number of cores, accuracy limit factors, and rated output.
The transformers are maintenance-free and designed for vertical installation. They are suitable for outdoor use under harsh environmental conditions. The secondary windings can be configured for measurement, protection, or testing purposes. The secondary terminal box has a protection degree of IP64, and the transformers feature base fixing. A special model with secondary switch-over is available.
The table provides technical data for various transformer types, including insulation voltage, maximum primary current, creepage distance, maximum number of cores, and weight. For example, the IGWF 12 B 27 type has an insulation voltage of 12/28/75 kV, a maximum primary current of 1250 A, a creepage distance of 560 mm, and a weight of 25 kg.
ELEQ's contact details are provided for both their Netherlands and Germany offices, including phone and fax numbers, as well as their website and email address.
Catalog excerpts
Mittelspannungsprogramm/ Freiluftstromwandler Medium Voltage Program/ Outdoor Current Transformer
Open the catalog to page 1
Mittelspannungsprogramm/ Medium Voltage Program/ Freiluftstromwandler Outdoor Current Transformer Technische Beschreibung: Der gieBharzisolierte Sttzerstromwandler ist geeignet fur Anwendungen unter Freiluft und erschwerten Umweltbedingungen. Der Wandler ist wartungsfrei und in vertikaler Lage einbaubar. Je nach Anforderung knnen die Sekundarwicklungen ausgef봻hrt werden fr Mess- und / oder Schutzzwecke bzw. als Testwicklung. Technical description: The cast resin current transformer is capable to withstanding the aggravate outdoor environmental condition. The current transformer is maintenance-free...
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- Junction block
- Screw connection terminal block
- Encapsulated transformer
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- Cast resin transformer
- Toroidal transformer
- Compact transformer
- Primary transformer
- Protection transformer
- Medium-voltage transformer
- Voltmeter
- Interior transformer
- Ammeter
- Panel-mount ammeter
- AC voltmeter
- Stationary voltmeter
- Pole-mounted transformer