Hi Ralph, In all honesty, I am not too concerned about minimum temperatures. I get concerned when the transformer is at full load and the temp. hits 80deg C and appears to be headed higher according to the trend. One thing to note, is if we tap the unit back, even during the dead of summer we...
Hello Hacksaw,
Thanks for the reply. I just wanted to let you know that we haved checked and rechecked the monitoring devices. We have digital and analog type equipment and the temps. agree. We have even done an infrared on the transformer tank and this proves as well the heat being...
I have a McGraw Edison Regulating Transformer. Main tank, Selector Tank, Interrupter Tank. Main tank oil temp 45C, Selector Tank up to 75C, Interrupter Tank 55C. During summer months, Selector tank will start trending upward past 80C alarm point, cut load on unit temp. begins to fall. Have Done...