For dry-type transformers having a 220 [degrees] C insulating system and a winding hot-spot temperature of 220 [degrees] C, and with no unusual operating conditions present, the 20-yr life expectancy is a reasonable time frame.he 80 [degrees] C transformer requires operation at 75% or more of full load for a 2-yr payback, and at 100% load to payback in 1 yr over the 150 [degrees] C transformer.
Exposure to arsenic through drinking water is a great threat to human health. Arsenic is a carcinogen and its consumption can negatively affect the gastrointestinal tract and cardiac, vascular and central nervous systems.
Sack of cashew nuts Photo Credit phonrat/iStock/Getty Images. Although side effects from low doses of supplemental copper are uncommon, copper can cause serious health complications when it accumulates at high levels in your liver and other vital organs.ffects on Digestive System. The most common side effects of copper supplements affect your digestive system. Nausea, heartburn, vomiting, abdominal pain or an upset stomach are among the gastrointestinal side effects of copper.