1.0Electrical Riddlehttps://electrical-riddle.com/faElectrical Riddlehttps://electrical-riddle.com/fa- Electrical Riddlerich600338<blockquote class="wp-embedded-content" data-secret="N4S61qe5Kk"><a href="https://electrical-riddle.com/fa/forums/reply/1152/">پاسخ به: Protection riddle no.3 – Short line between power plant and substation</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://electrical-riddle.com/fa/forums/reply/1152/embed/#?secret=N4S61qe5Kk" width="600" height="338" title="“پاسخ به: Protection riddle no.3 – Short line between power plant and substation” — Electrical Riddle" data-secret="N4S61qe5Kk" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script>
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</script>When all individual secondary through fault currents of differential protection system are not applied to bias element of relay directly, we can not ensure about protection stability ,because the bias characteristics of relay can not active against all current elements that involved to protection system.