scope:

Purpose and Scope

The purpose of this practice is to recommend minimum performance characteristics and equipment relating to governors for controlling hydraulic turbines intended to drive electric generators and to aid in preparation of procurement specifications.

This practice shall apply to mechanical-hydraulic or electric-hydraulic type governors for all types of hydraulic turbines including but not limited to the following types:

(a) Impulse Turbine

(b) Francis Turbine

(c) Fixed Blade (Axial or Mixed-Flow) Turbines

(d) Adjustable Blade (Axial or Mixed-Flow) Turbines

(e) Inclined-Axis Turbines

(f) Bulb Turbines

(g) Pump Turbines

It is recommended that the issue in effect on the date of invitation to bid of ASME PTC29, "Speed-Governing Systems for Hydraulic Turbine Generator Units" be used with this Practice.

Only those paragraphs which apply to the specific equipment to be purchased should be used when preparing the procurement specifications.