1.0Electrical Riddlehttps://electrical-riddle.com/enElectrical Riddlehttps://electrical-riddle.com/enTertiary Load and Differential Unbalancing - Electrical Riddlerich600338<blockquote class="wp-embedded-content" data-secret="umCrT49reH"><a href="https://electrical-riddle.com/en/forums/topic/1104/">Tertiary Load and Differential Unbalancing</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://electrical-riddle.com/en/forums/topic/1104/embed/#?secret=umCrT49reH" width="600" height="338" title="“Tertiary Load and Differential Unbalancing” — Electrical Riddle" data-secret="umCrT49reH" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script>
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Suppose that we have autotransformer of 250 MVA whose tertiary was initally Grounded at one point and no load was there on tertiary.Suppose that at some point,we want to use tertiary winding for auxiliary supply.Will it differential relays settings need to be modified?