Medium voltage transformers have a capacity ranging from 2400 to 69000 volts while low voltage transformers mostly operate below 600 volts. Medium voltage transformers are typically found near large industries that require a large amount of power. Low voltage transformers, on the hand, are less dangerous transformers so they are used in most electrical appliances like homes and businesses.
Additionally, med-transformers have higher rates of energy efficiency, while low-voltage transformers have lower rates of energy loss. When it comes to costs, medium voltage transformers cost more to install but their higher efficiency rates translate into lower operational costs over time.
Consider replacing a medium voltage transformer at, or near, the end of its recommended lifespan (around 20-30 years). There are several signs that can help you determine when to change your medium voltage transformer. These include: