ASME PTC 29 PDF
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Speed Governing Systems for Hydraulic Turbine Generator Units
Description
This Code provides the rules and procedures for the performance testing of hydraulic turbine speed governors. It is applicable to constant speed hydraulic turbines.
Code applies speed governors used conventional, constant-speed hydraulic turbines. applicable electronic-hydraulic mechanical-hydraulic governors. commonly control reaction impulse-type-hydraulic turbines (fixed variable geometry) pump operating generation mode. specifies procedures conducting tests determine following performance characteristics turbine governors: (a) droop: (1) permanent, (2) temporary; (b) deadband deadtime: speed, position, (3) power; (c) stability index: governing speedband, powerband; (d) step response; (e) gain: proportional gain, integral derivative gain; (f) setpoint adjustment: range adjustment, ramp rate.
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