A substation power connector is operated by an electrical utility in order to generate, transmit and distribute electrical energy, it can be owned by an industrial plant as well. It controls voltage and conveys it from high to low or inverse it. Additionally, it preforms other purposes. It also includes transformers which change voltage levels between high and low, also changes voltage levels whilst interconnection of different transmission. Substation power connectors can be converted from smaller generating plants. Usually, the electric energy is transmitted to the substation power connector from a large power plant. It saves time and provides the company with advanced performance.