400 series, En - 45, Zu i  where: z – HT instruments SPEED418 User Manual

Page 46: Is the measured fault impedance u, Is the nominal phase-to-earth voltage u, 127v if v, 150v u, 230v or u, 150v 7

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400 series, En - 45, Zu i  where: z | Is the measured fault impedance u, Is the nominal phase-to-earth voltage u, 127v if v, 150v u, 230v or u, 150v 7 | HT instruments SPEED418 User Manual | Page 46 / 88 400 series, En - 45, Zu i  where: z | Is the measured fault impedance u, Is the nominal phase-to-earth voltage u, 127v if v, 150v u, 230v or u, 150v 7 | HT instruments SPEED418 User Manual | Page 46 / 88
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