TRANSFORMERS

Department of Defense PIN 39894 TRANSFORMERS DEFINES AND EXPLAINS FOLLOWING TERMS IN REFERENCE TO TRANSFORMERS: TRANSFORMER ACTION, STEP-UP, STEP-DOWN, AND COEFFICIENT OF COUPLING. EXPLAINS VOLTAGE AND CURRENT MAGNITUDE RELATIONSHIPS IN PRIMARY AND SECONDARY OF TRANSFORMER. SHOWS DIFFERENCE BETWEEN SYMBOLS USED TO REPRESENT: POWER, AUDIO, RF, AND AUTO TRANSFORMERS. USING A TRANSFORMER DEMONSTRATOR AND A PSM-6 MULTIMETER, SHOWS TEST EQUIPMENT CHECKS SUFFICIENT TO IDENTIFY TRANSFORMER OPENS, SHORTS, AND TURN-RATION AS RELATED TO STEP-UP AND STEP-DOWN.