T&D World Magazine
Solve This: Closing In

Solve This: Closing In

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This was a hallmark day for the Hinterland Electric distribution team.  They had finally started receiving the equipment that would be used to automate major circuits on their distribution system.  Frank and Bruce, Hinterland’s  most senior linemen,  were all set to get started on the first 20 circuits until they reviewed the installation specification provided by Hinterland’s distribution planner,  I. M. Nuts. 

The specification indicated 1/4 of the installs would be reclosers for sectionalizing  the circuits, 1/2 would be wireless 3G and 4G modems for feeder intelligent electronic device (IED) communications, 1/8 would be substation transformer loadtap changer (LTC) controls and the remaining 20 would be the relocation of existing non-telemetered switches.  Frank and Bruce knew all substations were not receiving new LTCs.  How many LTC control units do they have to pick from the warehouse to complete Mr. Nuts’ specification?   


Here's a little puzzle to ruminate on during a coffee break. Maybe you'll win a gift card! Give it your best shot in the comment section below. Enter as many times as you want. A $50 gift card will go to the first right answer. We need your email to send the gift card so make sure you're registered (and you have verified your registration via email) when you leave your comment in the box below. We cannot send you a gift card without completed verification (answer the email that asks you to click through to verify)

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