TAILIEUCHUNG - Guide on How to Develop a Small Hydropower Plant

A slight loss of refrigerant is recognized by ‘bubbles’ in the liquid-indicating sight glass installed in the liquid line of a system, a loss of performance, partial frosting of the evaporator and lower than normal operating pressures. Refrigerant may be added in vapour form to the low side of the system if the refrigerant is azeotropic such as R502. This means that it reacts as a single substance refrigerant. The zeotropic refrigerant blends do not react in a similar manner and they should be added to a system in liquid form. . | Guide on How to Develop a Small Hydropower Plant ESHA 2004 CHAPTER 6 ELECTROMECHANICAL EQUIPMENT CONTENTS 6 Electromechanical Hydraulic Types and Specific speed and Preliminary Turbine selection Turbine Speed Speed increaser types. 184 Speed increaser design. 185 Speed increaser maintenance . 186 Generators. 186 Generator configurations. 188 Exciters. 188 Voltage regulation and Asynchronous Turbine Switchgear Automatic Ancillary electrical Plant service DC control power Headwater and tailwater Outdoor LIST OF FIGURES Figure Schematic view of a powerhouse -Low Figure Schematic view of a powerhouse -high and medium Figure Schematic view of a hydropower scheme and of the measurement Figure Cross section of a nozzle with Figure View of a two nozzles horizontal Figure View of a two nozzle vertical Figure Principle of a Turgo Figure Principle of a Cross-flow Figure Guide vane functioning Figure View of a Francis Figure Kinetic energy remaining at the outlet of the Figure Cross section of a double regulated Kaplan Figure Cross section of a double regulated Bulb 152 Guide on How to Develop a Small Hydropower Plant ESHA 2004 Figure Cross section of a vertical Figure Cross section of a Kaplan siphon power Figure Cross section of a Kaplan inverse siphon power Figure Cross section of an inclined Kaplan power

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