IWA 33-3:2021
Technical guidelines for the development of small hydropower plants — Part 3: Design principles and requirements
This document specifies the general principles and basic requirements of design for small hydropower (SHP) projects up to 30 MWe, mainly including hydrology, geology, energy calculations, project layout, hydraulics, electromechanical equipment selection, construction planning, project cost estimates, economic appraisal, social and environmental assessments.
Application of this document is intended to be site specific, with the principles and requirements of design applied in accordance with the needs of proposed hydropower plant.
| Get this standard | Prices exclude GST | |
|---|---|---|
| PDF ( Single user document) |
$386.00 NZD
|
|
| HardCopy |
$430.00 NZD
|
|
| Networkable PDF |
Price varies
|
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Hydrology
4.1 Basic data
4.2 Runoff (discharge)
4.3 Flood
4.4 Stage-discharge relation curve
4.5 Sediment, evaporation, ice regime and others
4.6 Rationality check of the outcomes
5 Engineering geology
5.1 General provisions
5.2 Regional geology
5.3 Engineering geology of the reservoir area
5.4 Engineering geology of hydraulic structures
5.5 Natural construction material
6 Hydraulic engineering and energy calculation
6.1 General provisions
6.2 Computation of runoff regulation
6.3 Hydraulic energy calculation
6.4 Load forecast and electric power and energy balance
6.5 Selection of flood regulation and characteristic flood-control level
6.6 Selection of normal water level and dead storage water level
6.7 Selection of installed capacity and type of unit
6.8 Selection of dimensions of headrace and volume of daily regulation pool
6.9 Analysis of the reservoir sediment deposition and calculation of the backwater
6.10 Reservoir operation mode and operational characteristics
7 Engineering layout and hydraulic structure
7.1 General provisions
7.2 General engineering layout
7.3 Water retaining structure
7.4 Water release structure
7.5 Water diversion structure
7.6 Powerhouse structure
7.7 Engineering safety monitoring
7.8 Concrete strength and durability
8 Hydraulic machinery, fire protection, heating and ventilation
8.1 General requirements for selection of turbine and generator
8.2 Selection of turbine rated head
8.3 Selection of turbine type
8.4 Selection of basic parameters of the reaction turbine
8.5 Selection of basic parameters of the impulse turbine
8.6 Unit transient performance analysis
8.7 Turbine governing system
8.8 Turbine main inlet valve
8.9 Cooling water and drainage system
8.10 Oil system
8.11 Compressed air system
8.12 Hydraulic monitoring system
8.13 Selection of lifting equipment
8.14 Fire protection
8.15 Heating and ventilation
8.16 Repair and maintenance equipment
8.17 Arrangement of hydraulic machinery equipment
9 Electrical system
9.1 Connection of the hydropower plant to the power system
9.2 Main electrical connection wiring
9.3 Selection of the main transformer
9.4 Selection of high-voltage electrical equipment
9.5 Overvoltage protection and earthing system
9.6 Lighting system
9.7 Layout of main electrical equipment inside and outside the power plant
9.8 Relaying protection and security automatic equipment
9.9 Excitation system
9.10 Automatic monitoring system
9.11 Plant service power supply and dam area power supply
9.12 DC operating power supply
9.13 Video monitoring system
9.14 Communication
10 Hydro mechanical structure
10.1 General provisions
10.2 Arrangement of hydro mechanical structure
10.3 Hoist selection for gates
10.4 Gate structure design
10.5 Anti-corrosion of hydro mechanical structures
11 Guidelines for construction planning
11.1 Construction diversion
11.2 Selection, planning and exploitation of the borrow area
11.3 Construction of the main works
11.4 Construction planning of roads and transportation
11.5 Construction plant facilities
11.6 Construction general layout
11.7 Overall construction programme
11.8 Construction safety
12 Social and environmental impact assessment
12.1 General provisions
12.2 Environmental impact assessment
12.3 Land acquisition and resettlement
12.4 Soil and water conservation
12.5 Social impact assessment
12.6 Conclusion of assessment and advice
13 Project cost estimates
13.1 General provisions
13.2 Project division
13.3 Costs and unit price
13.4 Engineering budget preparation
13.5 Composition of cost estimate documents
14 Economic appraisal
14.1 General provisions
14.2 Cost calculation
14.3 Benefits calculation
14.4 Economic cost benefit evaluation
14.5 Financial evaluation
14.6 Uncertainty analysis
14.7 Methods of scheme comparison
Annex A (informative) Workshop contributors
Keep me up-to-date
Sign up to receive updates when there are changes to this standard
Related Information
Similar Standards
-
BS 5860:1980
Method for measuring the efficiency of hydraulic turbines, storage pumps and pump-turbines (thermodynamic method)
-
BS EN 45510-5-4:1998
Guide for the procurement of power station equipment, Hydraulic turbines, storage pumps and pump-turbines
-
BS EN 60609-1:2005
Hydraulic turbines, storage pumps and pump-turbines. Cavitation pitting evaluation, Evaluation in reaction turbines, storage pumps and pump-turbines
-
BS EN 60609-2:1999
Cavitation pitting evaluation in hydraulic turbines, storage pumps and pump turbines, Evaluation in Pelton turbines
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Hydrology
4.1 Basic data
4.2 Runoff (discharge)
4.3 Flood
4.4 Stage-discharge relation curve
4.5 Sediment, evaporation, ice regime and others
4.6 Rationality check of the outcomes
5 Engineering geology
5.1 General provisions
5.2 Regional geology
5.3 Engineering geology of the reservoir area
5.4 Engineering geology of hydraulic structures
5.5 Natural construction material
6 Hydraulic engineering and energy calculation
6.1 General provisions
6.2 Computation of runoff regulation
6.3 Hydraulic energy calculation
6.4 Load forecast and electric power and energy balance
6.5 Selection of flood regulation and characteristic flood-control level
6.6 Selection of normal water level and dead storage water level
6.7 Selection of installed capacity and type of unit
6.8 Selection of dimensions of headrace and volume of daily regulation pool
6.9 Analysis of the reservoir sediment deposition and calculation of the backwater
6.10 Reservoir operation mode and operational characteristics
7 Engineering layout and hydraulic structure
7.1 General provisions
7.2 General engineering layout
7.3 Water retaining structure
7.4 Water release structure
7.5 Water diversion structure
7.6 Powerhouse structure
7.7 Engineering safety monitoring
7.8 Concrete strength and durability
8 Hydraulic machinery, fire protection, heating and ventilation
8.1 General requirements for selection of turbine and generator
8.2 Selection of turbine rated head
8.3 Selection of turbine type
8.4 Selection of basic parameters of the reaction turbine
8.5 Selection of basic parameters of the impulse turbine
8.6 Unit transient performance analysis
8.7 Turbine governing system
8.8 Turbine main inlet valve
8.9 Cooling water and drainage system
8.10 Oil system
8.11 Compressed air system
8.12 Hydraulic monitoring system
8.13 Selection of lifting equipment
8.14 Fire protection
8.15 Heating and ventilation
8.16 Repair and maintenance equipment
8.17 Arrangement of hydraulic machinery equipment
9 Electrical system
9.1 Connection of the hydropower plant to the power system
9.2 Main electrical connection wiring
9.3 Selection of the main transformer
9.4 Selection of high-voltage electrical equipment
9.5 Overvoltage protection and earthing system
9.6 Lighting system
9.7 Layout of main electrical equipment inside and outside the power plant
9.8 Relaying protection and security automatic equipment
9.9 Excitation system
9.10 Automatic monitoring system
9.11 Plant service power supply and dam area power supply
9.12 DC operating power supply
9.13 Video monitoring system
9.14 Communication
10 Hydro mechanical structure
10.1 General provisions
10.2 Arrangement of hydro mechanical structure
10.3 Hoist selection for gates
10.4 Gate structure design
10.5 Anti-corrosion of hydro mechanical structures
11 Guidelines for construction planning
11.1 Construction diversion
11.2 Selection, planning and exploitation of the borrow area
11.3 Construction of the main works
11.4 Construction planning of roads and transportation
11.5 Construction plant facilities
11.6 Construction general layout
11.7 Overall construction programme
11.8 Construction safety
12 Social and environmental impact assessment
12.1 General provisions
12.2 Environmental impact assessment
12.3 Land acquisition and resettlement
12.4 Soil and water conservation
12.5 Social impact assessment
12.6 Conclusion of assessment and advice
13 Project cost estimates
13.1 General provisions
13.2 Project division
13.3 Costs and unit price
13.4 Engineering budget preparation
13.5 Composition of cost estimate documents
14 Economic appraisal
14.1 General provisions
14.2 Cost calculation
14.3 Benefits calculation
14.4 Economic cost benefit evaluation
14.5 Financial evaluation
14.6 Uncertainty analysis
14.7 Methods of scheme comparison
Annex A (informative) Workshop contributors