852Plus WTI

The 852Plus series of Winding Temperature Indicators (WTIs) is designed to meet the most demanding of conditions within the transformer industry.

Description

The 852Plus winding temperature indicator is a high integrity protection, control and monitoring system for power transformers.

The intelligent cooling control system ensures optimal asset life and protection for the transformer.

The WTI continuously calculates the winding temperature (otherwise known as the hot spot temperature) in the transformer. This is achieved by measuring the top oil temperature with a precision PT100 probe and the winding current using a high isolation current transformer (CT) within the 852Plus. These measurements are combined with Ashridge’s algorithm based on the IEC354 standard to provide accurate winding temperature.

Brochures

852Plus WTI

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