I almost tripped a reactor and would have lost the company $600,000 a day for three days of lost production. The plan was to make a "bump less" transfer of power from the equalize to float circuit of the Class One rectifier supply.After the annual cleaning of the rheostat windings. There was an awful "BOOM Thud" as the 600V 400Amp breaker tripped. Then even after I dialed the voltage to minimum, the breaker didn't want to reset. I spent some time on the phone to the 1st Operator who wanted to trip the unit immediately. Finally obtained five minutes grace to allow the breaker to cool. And try another closure. Lucky for me the breaker stayed closed on the next attempt. All this during PA system announcements calling field operators to the control room to prepare for a reactor trip. Then my supervisor showed up asking questions.He was so glad the unit didn't trip he didn't even give me a "blast of wrath".
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Today's Featured Article - New Life for an Old Allis - by Tyler Woods. My friend Jon, has an old '39 Allis Chalmers B. He thought it a marginal tractor that had long since served its time. She smoked terribly and never had much power but he couldn't afford another so he was limping along with what he had. Jon's Allis has a small front loader and though it doesn't carry much, it serves his needs. It was the hard starting and low power that made him think it was time to replace the old girl. Jon called me to help him discover why his tractor wouldn't start
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