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Modular monitoring system / gas - GGA
Cooling operations operations for turbine generators are required to deliver more enhanced levels of performance. The agent commonly used in cooling operations is hydrogen gas. With hydrogen, cooling conditions are increased, and friction losses at the rotating components are also minimized. Dielectric breakdown strength is also increased. Having said this, hydrogen gas features potential explosive-prone capabilities in mixtures with air concentrations that range from 4 to 77%. International EN and IEC standards require redundant safety control systems to prevent potential hydrogen gas explosion incidents.
Siemens' GGA Sensor Systems deliver constant monitoring of H2-cooled generators. These systems are generally utilized for applications that involve improving operating efficiency rates of power plant turbine generators.