This Green Book provides those involved in transformer procurement with comprehensive guidance on industry best practice to avoid wrong decisions. Transformers are one of the expensive components in the power system, and also contribute a large proportion of the losses. Transformers also have long lives - more than 40 years in many cases. Making the wrong decisions during the procurement process can have serious and long-lasting consequences.

The letter Z is tired of being in last place—she wants to go first! So she and her best friend, Y, decide to move to the front of the alphabet.There are a lot of letters in the way! D blocks the path with his belly (too many doughnuts). I is too full of himself (“I am incredible”). And L, M, N, O, and P stick together like a brick wall. They all teach Z and Y that the full alphabet is lot more complicated than just ABC.With Mike Perry’s eye-popping artwork ...