The TDH-8081-5001S is a submerged electric drive turbine-generator product manufactured by Leach International Corporation. It is designed for a submerged hydroelectric generator power plant. The TDH-8081-5001S has a maximum power output of 5001 kW and a nominal speed of 1,000 rpm. The turbine-generator is designed to operate in a wide range of flow conditions, with a minimum flow rate of 25 cubic meters per second, and a maximum flow rate of up to 400 cubic meters per second. The TDH-8081-5001S is a three-phase generator and is fitted with an excitation and braking system suitable for both hydropower and pumped storage applications. It also includes a reversing overspeed protection system. The turbine and generator components are made of durable and corrosion-resistant materials, providing long-term and efficient operation. The TDH-8081-5001S is also engineered for easy installation and maintenance.