Title

3.1:      Guidelines for selection of SHP generating equipment

Scope

·             Overview

·             Purpose

·             Site Data

·             Net Head

·             Classification and Types of Turbines

-         Francis Turbines

-         Axial Flow turbines

-         Tubular Turbines

-         Bulb Turbines

-         Vertical Semi-Kaplan Turbine with Syphon Intake

-         Pit Type Bulb Turbine

-         Impulse Turbine

-         Turgo Impulse Turbines

-         Cross Flow Turbines

·             Selection of Hydraulic Turbine

-         Specific Speed (Ns)

-         Selection Procedure for Small Hydro upto 3 MW unit size

-         General

-         Micro Hydel Range (upto 100 kW)

-         Cost Elements

-         Step by step procedure for selection of turbine

·             Mini Hydro in the Range 0.1 MW to 5 MW

·             Setting and Cavitation of Reaction Turbine Performance

-         Pressure Regulation

-         Speed Regulation

-         Speed Rise

-         Small Hydro (grid connected)

-         Small Hydro (isolated grid operation)

·        Type of Generators

-         Synchronous generators

-         Synchronous (or induction) generators

·        Applicable Standard

·        Cooling Classification

·        Operational Requirements

·        Transient event and emergency duty requirements

·        Sudden short circuit at the generator terminals

·        Synchronizing

·        Short-time volts/hertz variations

·        Over speed

·        Ratings and Electrical Characteristics

·        Mechanical Characteristics

·        Controllers and Governors, Flow Regulators

·        Ballast

·        Instrumentation

·        Voltage and Frequency Protection Functions

·        Islanding Protection Functions

·        Electrical Characteristics

Status

Draft issued on May 19, 2008

Committee

1. Shri Babujaj, Executive Engineer (Electrical), Generation Circle, Distt.- Idukki

2. Shri S.L. Narsimha General Manager (Electrical), Design Group Project Consultants (P) Ltd., Bangalore

3. Dr. R.P. Saini, Associate Professor, AHEC, IIT Roorkee.

4. Prof. O.D. Thapar, Former Director, AHEC, IIT Roorkee – Convener

Remarks