Technical specification for installation of hydraulic turbine-generator units
1 Scope
This document specifies requirements for the installation and commissioning of vertical mixed-flow turbine, axial-flow turbine, horizontal mixed-flow turbine, bucket turbine, speed regulating system, main valve and accessories of turbine, vertical hydraulic generator, horizontal hydraulic generator, excitation system and static frequency conversion (SFC) starting device, bulb tubular hydraulic turbine-generator unit and auxiliary equipment of hydropower station, the electrical test for installation of stator and rotor of hydraulic generator, and the start-up and trial run of hydraulic turbine-generator unit.
This document applies to installation and acceptance of mixed-flow, axial-flow, bucket-type, bulb tubular hydraulic turbine-generator units and mixed-flow reversible pumped storage units.
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 2900.25 Electrotechnical terminology - Rotating electrical machines
GB/T 2900.45 Electrotechnical terminology - Hydroelectric power plant machinery
GB/T 7409.3 Excitation system for synchronous electrical machines - Technical requirements of excitation system for large and medium synchronous generators
GB/T 7596 In-service quality criteria of mineral turbine oils used in power plants
GB/T 9239.1 Mechanical vibration - Balance quality requirements for rotors in a constant (rigid) state - Part 1: Specification and verification of balance tolerances
GB/T 9652.1 Specification of hydraulic turbine governing systems
GB/T 9652.2 Testing specification of hydraulic turbine governing systems
GB/T 10969 Specification for water passage components of hydraulic turbines storage pumps and pump-turbines
GB 11120 Lubricating oils for turbines
GB/T 11345 Non-destructive testing of welds - Ultrasonic testing - Techniques, testing levels, and assessment
GB/T 11805 General specifications of automatic control components (devices) and their related system for hydro turbine-generating sets
GB/T 14039 Hydraulic fluid power - Fluids - Method for coding the level of contamination by solid particles
GB/T 14478 Fundamental technical requirements for large and medium inlet valves of hydraulic turbine
GB/T 17116.1 Pipe supports and hangers - Part 1: Technical specification
GB/T 17116.2 Pipe supports and hangers - Part 2: Pipe attachments
GB/T 17116.3 Pipe supports and hangers - Part 3: Middle connection attachments and building structure attachments
GB/T 18482 Specification for start-up test of reversible pumped-storage units
GB/T 20835 Guide for magnetization test of generator stator core
GB/T 28546 Specification for package, transportation and storage of large and medium hydraulic units
GB/T 28566 Security specification and its evaluation for generating unit interconnection
GB/T 28570 Technical guide of on-line condition monitoring system for hydraulic turbine and generator units
GB/T 29529 Methods of measuring and evaluating noise of pumps
GB/T 29531 Methods of measuring and evaluating vibration of pumps
GB/T 29711 Non-destructive testing of welds - Ultrasonic testing - Characterization of discontinuities in welds
GB/T 29712 Non-destructive testing of welds - Ultrasonic testing - Acceptance levels
GB/T 32899 Test code of SFC starting device for pumped storage power unit
GB/T 40734 Non-destructive testing of welds - Phased array ultrasonic testing (PAUT) - Acceptance levels
GB 50147 Code for construction and acceptance of high-voltage electric equipment installation engineering
GB 50148 Code for construction and acceptance of power transformers oil reactor and mutual inductor
GB 50150 Electric equipment installation engineering - Standard for hand-over test of electric equipment
GB 50168 Standard for construction and acceptance of cable line electric equipment installation engineering
GB 50171 Erection works of electrical installations - Code for construction and acceptance of switchboard outfit, complete cubicle and secondary circuit
DL/T 474.1 Guide for insulation test on site - Insulation resistance, dielectric absorption ratio and polarization index test
DL/T 489 Test code for static rectifier excitation system of large and medium-sized hydro-generator
DL/T 490 Rule for installation and accepting test regulation of the generator excitation system
DL/T 496 Guide of regulating and testing for electro-hydraulic regulating system and devices of hydraulic turbines
DL/T 507 Start-up test code for hydro-generating units
DL/T 563 Technical code for electro-hydraulic regulating system and unit used in hydraulic turbines
DL/T 583 Specification for static rectified excitation systems for large and medium hydro generators
DL/T 827 Start-up test code for bulb hydro-generating units
DL/T 862 Code of installation and acceptance for automation components (devices) for hydropower plants
DL/T 1013 Test guide for microprocessor excitation regulator for large and medium hydro generators
DL/T 1245 Technical guide for hydraulic turbine regulating system in grid
DL/T 1770 Code for filling and emptying procedures of water conveyance system for pumped storage power station
DL/T 1800 Technical guide for modeling and testing of hydraulic turbine governing system
DL/T 1818 Specification of reversible pump-turbine governing system test
DL/T 2194 Guide for technical requirements and test on primary frequency control of hydroelectric generating units
DL/T 5070 Technological guide for manufacturing, assembling and welding of metal spiral case of turbine in site
DL/T 5420 Technological guide for stator assembly in site of hydraulic generators
NB/T 35089 Technical specification for the ring gate of hydraulic turbines
NB/T 47013.4 Nondestructive testing of pressure equipments - Part 4: Magnetic particle testing
NB/T 47013.5 Nondestructive testing of pressure equipments- Part 5: Penetrant testing
NB/T 47013.10 Nondestructive testing of pressure equipments - Part 10: Ultrasonic time of flight diffraction technique
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 2900.25 and GB/T 2900.45, and the following apply.
3.1
assembly
process of combining parts into a complete component, following a given operating sequence,
3.2
installation
operating process in which components are combined into a complete set according to the intended purpose and the equipment is secured in the specified position as required, so as to enable the intended function
3.3
reference for installation
measurement and positioning reference for spatial positions based on which equipment or components are assembled and installed
3.4
deviation
difference between a value and the reference value
Note: For dimensional deviations, the reference value is represented by the nominal dimension and “a value” is represented by the actual size.
3.5
verticality
distance of the centerline of equipment or component deviating from the plumb line, and distance of the orientation or the characteristic surface of the equipment or component deviating from the plumb line, expressed in relative values or in absolute values based on the selected position
3.6
orientation and center
Orientation refers to the X and Y marker lines on a part or component; center refers to the intersection of the X-X and Y-Y marker lines on a part or component
3.7
vibration
reciprocal displacement of the specified points of components in a unit relative to the equilibrium position, varying over time
3.8
run-out
radial vibration of a part of the rotating spindle of a unit relative to the neighboring fixed components
3.9
barring
operation of slowly rotating the shaft system of a unit by manual, mechanical or electrical means, and measuring the run-out of each characteristic part of the shaft system in order to obtain the spatial position status of the shaft system
3.10
run-out during unit turning
run-out value (peak-to-peak) measured during turning of the unit
3.11
run-out during unit operation
run-out value (peak-to-peak value at passband frequency) measured during normal or transient operation of the unit
Note: Run-out during unit operation is also known as shaft vibration.
3.12
relative shaft vibration measurement
shaft vibration measurement of a rotating shaft using a fixed part of the unit (e.g., bearing housing) as a reference
3.13
vibration in wide band frequencies
algebraic difference between the peak and trough envelopes of the full waveform signal of the absolute vibration of the fixed components or the relative vibration (run-out) of the rotating components of a hydraulic turbine-generator unit in a measurement period (at confidence level of 0.97 )
3.14
rotational frequency
f0
frequency of rotation of the spindle of a hydraulic turbine-generator unit
Note: f0=n/60, where n is the synchronous speed of the generator. Rotational frequency is also known as the base frequency or one-octave frequency.
3.15
polar frequency
fp
important parameter characterizing the fundamental vibration frequency of hydraulic generator, which is the product of the number of poles, 2P, and the rotational frequency of the hydraulic generator
Note: fp=2P·f0, where P is the number of pole pairs.
3.16
idle running
simply mechanical rotation behavior of hydraulic turbine-generator unit without excitation
3.17
speed no-load
operation mode in which the hydraulic turbine-generator unit is put into excitation at rated speed, with the generator terminal voltage at the rated voltage and the generator output apparent power at zero
3.18
rotor roundness
difference between the maximum and minimum radius of any cross section at the outer edge of the rotor pole core of hydraulic generator
Note: That is, the distance between the inner and outer envelopes of the outer edge contour line of the rotor pole core, and is measured at the bump of the pole core.
3.19
stator roundness
difference between the maximum and minimum radius of any cross section at the inner edge of the stator core of hydraulic generator
Note: That is, the distance between the inner and outer envelopes of the inner edge contour line of the stator core.
3.20
air gap
minimum radial distance between the outer edge of rotor pole and the inner edge of stator core in a generator
3.21
partial discharge (PD)
electrical discharge where the insulation between conductors is only partially bridged
Note 1: Partial discharge may or may not occur near the conductor.
Note 2: For the purposes of this document, partial discharge (PD) refers to the phenomenon of electrical discharge in or on the partially bridged insulation of stator winding of hydraulic generator.
Note 3: Partial discharge includes discharge inside insulation, slot discharge, discharge between bar layers, winding end discharge and single bar discharge along the surface.
3.22
corona
partial discharge, in the main form of glow, generated by the gas medium around the insulation surface of stator bar or winding end due to ionization under a certain potential gradient
Note 1: Corona is usually accompanied by luminescence and noise, and is a form of partial discharge.
Note 2: For the purposes of this document, it refers to the discharge glow phenomenon that is observable in a dark environment on the insulation surface of the stator bar or on the insulation surface at the winding end, e.g., at slot end pad and bevel pad, between a bar and end hoop, bar and stator core, where the stator bar or winding is charged.
3.23
building information modeling (BIM)
modeling the real information contained in a building by digital information simulation based on a building model established based on the relevant information data of the construction project
4 General requirements
4.1 Before installation of the unit equipment, the following relevant technical data shall be available:
a) construction drawings and technical documents, including design reports and design modification notices;
b) drawings and technical requirements of the equipment, including installation instructions, operation and maintenance instructions and technical reports;
c) end-of-manufacturing quality documents of the equipment, including end-of-manufacturing inspection records, test records, acceptance certificates and material performance reports of main parts and components; and
d) construction organization design or construction scheme.
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 General requirements
5 Installation of the vertical mixed-flow and axial-flow turbines
5.1 Installation of embedded components
5.2 Assembly of the runner
5.3 Pre-installation of water distributor
5.4 Installation of rotating components
5.5 Installation of the guide vanes and servomotors
5.6 Installation of the turbine guide bearings and spindle seals
5.7 Installation of the cylindrical valve
5.8 Installation of the hydraulic turbine accessories
6 Installation of horizontal mixed-flow turbines
6.1 Installation of embedded components
6.2 Installation of the volute and the water distributor
6.3 Installation of the bearing housing
6.4 Installation and adjustment of bearing bush
6.5 Installation of spindle
6.6 Installation of the runner and accessories
7 Installation of bucket turbines
7.1 Installation of embedded components in foundation and tailwater lining
7.2 Installation of the flow steadying grid
7.3 Installation of casing
7.4 Installation of the looped distributing pipe
7.5 Installation of the hydraulic turbine spindle
7.6 Installation of the nozzle and the deflector
7.7 Installation of the runner
7.8 Installation of the bearing of vertical bucket turbine
7.9 Installation of the horizontal bucket turbine
8 Installation and commissioning of speed regulating systems
8.1 Installation and commissioning of the oil pressure supply unit
8.2 Installation and commissioning of the regulator
8.3 Installation of the pipeline for the speed regulating system
8.4 Oil filling and field test of the speed regulating system
9 Installation of the main valves and accessories of hydraulic turbine
9.1 Installation of the embedded components in the foundation
9.2 Installation of the butterfly valve
9.3 Installation of the ball valve
9.4 Installation of the expansion joint
9.5 Installation of the bypass valve and the pipeline system equipment
9.6 Installation of the main valve operating mechanism
9.7 Field test of the main valve
10 Installation of vertical hydraulic generators
10.1 Assembly of the stator
10.2 Assembly of the rotor
10.3 Frame assembly
10.4 Bearing bush scraping and bearing pre-assembly
10.5 General installation of generator
10.6 Installation of generator accessory
11 Installation of horizontal hydraulic generator
11.1 Installation of embedded components in the foundation
11.2 Installation of bearing housing
11.3 Installation and adjustment of bearing bush
11.4 Bearing inspection and clearance adjustment
11.5 Stator installation
11.6 Rotor installation and final assembly of generator
12 Installation and commissioning of excitation system and static frequency conversion (SFC) starting device
12.1 Excitation system equipment installation
12.2 Commissioning of excitation system equipment
12.3 Installation of static frequency conversion (SFC) starting device
12.4 Commissioning test of static frequency conversion (SFC) starting device
13 Installation of bulb hydraulic turbine-generator unit
13.1 Installation of embedded components
13.2 Assembly of water distributor
13.3 Spindle and bearing assembly
13.4 Runner assembly and test
13.5 Installation of water distributor and servomotor
13.6 Spindle installation and adjustment
13.7 Installation of runner and runner chamber
13.8 Assembly of rotor
13.9 Assembly of stator
13.10 Assembly of bulb head elements
13.11 General assembly of unit
13.12 Accessory installation
14 Installation and commissioning of auxiliary equipment
14.1 Production of fittings and pipe accessories
14.2 Pipe welding
14.3 Installation of pipelines
14.4 Tests of pipes and fittings
14.5 Purge and cleaning of pipelines
14.6 Installation and commissioning of oil system equipment
14.7 Installation and commissioning of water system equipment
14.8 Installation and commissioning of gas system equipment
15 Electrical test of stator and rotor installation of hydraulic generators
15.1 Inspection of stator windings before building-in
15.2 AC withstand voltage test during stator winding installation
15.3 Electrical test of stators
15.4 Electrical test of rotor poles and accessories
15.5 Test of rotor winding
16 Startup and trial run of hydraulic turbine-generator unit
16.1 General provisions
16.2 Water filling test of units
16.3 Speed no-load test of units
16.4 Unit grid connection and load test
16.5 Startup and trial run of reversible pumped storage unit
Annex A (Informative) Application of laser tracking measurement technology
Annex B (Informative) List of handover materials
Annex C (Informative) Hydraulic test of looped distributing pipe
Annex D (Normative) Stator winding drying requirements for hydraulic generator
Annex E (Informative) Sensor installation requirements for on-line monitoring device of hydraulic turbine-generator unit
Annex F (Informative) Pickling, passivating and flushing of pipelines
Annex G (Informative) List of typical test items for static (waterless) commissioning of hydraulic turbine-generator unit and its ancillary equipment
Bibliography
Technical specification for installation of hydraulic turbine-generator units
1 Scope
This document specifies requirements for the installation and commissioning of vertical mixed-flow turbine, axial-flow turbine, horizontal mixed-flow turbine, bucket turbine, speed regulating system, main valve and accessories of turbine, vertical hydraulic generator, horizontal hydraulic generator, excitation system and static frequency conversion (SFC) starting device, bulb tubular hydraulic turbine-generator unit and auxiliary equipment of hydropower station, the electrical test for installation of stator and rotor of hydraulic generator, and the start-up and trial run of hydraulic turbine-generator unit.
This document applies to installation and acceptance of mixed-flow, axial-flow, bucket-type, bulb tubular hydraulic turbine-generator units and mixed-flow reversible pumped storage units.
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 2900.25 Electrotechnical terminology - Rotating electrical machines
GB/T 2900.45 Electrotechnical terminology - Hydroelectric power plant machinery
GB/T 7409.3 Excitation system for synchronous electrical machines - Technical requirements of excitation system for large and medium synchronous generators
GB/T 7596 In-service quality criteria of mineral turbine oils used in power plants
GB/T 9239.1 Mechanical vibration - Balance quality requirements for rotors in a constant (rigid) state - Part 1: Specification and verification of balance tolerances
GB/T 9652.1 Specification of hydraulic turbine governing systems
GB/T 9652.2 Testing specification of hydraulic turbine governing systems
GB/T 10969 Specification for water passage components of hydraulic turbines storage pumps and pump-turbines
GB 11120 Lubricating oils for turbines
GB/T 11345 Non-destructive testing of welds - Ultrasonic testing - Techniques, testing levels, and assessment
GB/T 11805 General specifications of automatic control components (devices) and their related system for hydro turbine-generating sets
GB/T 14039 Hydraulic fluid power - Fluids - Method for coding the level of contamination by solid particles
GB/T 14478 Fundamental technical requirements for large and medium inlet valves of hydraulic turbine
GB/T 17116.1 Pipe supports and hangers - Part 1: Technical specification
GB/T 17116.2 Pipe supports and hangers - Part 2: Pipe attachments
GB/T 17116.3 Pipe supports and hangers - Part 3: Middle connection attachments and building structure attachments
GB/T 18482 Specification for start-up test of reversible pumped-storage units
GB/T 20835 Guide for magnetization test of generator stator core
GB/T 28546 Specification for package, transportation and storage of large and medium hydraulic units
GB/T 28566 Security specification and its evaluation for generating unit interconnection
GB/T 28570 Technical guide of on-line condition monitoring system for hydraulic turbine and generator units
GB/T 29529 Methods of measuring and evaluating noise of pumps
GB/T 29531 Methods of measuring and evaluating vibration of pumps
GB/T 29711 Non-destructive testing of welds - Ultrasonic testing - Characterization of discontinuities in welds
GB/T 29712 Non-destructive testing of welds - Ultrasonic testing - Acceptance levels
GB/T 32899 Test code of SFC starting device for pumped storage power unit
GB/T 40734 Non-destructive testing of welds - Phased array ultrasonic testing (PAUT) - Acceptance levels
GB 50147 Code for construction and acceptance of high-voltage electric equipment installation engineering
GB 50148 Code for construction and acceptance of power transformers oil reactor and mutual inductor
GB 50150 Electric equipment installation engineering - Standard for hand-over test of electric equipment
GB 50168 Standard for construction and acceptance of cable line electric equipment installation engineering
GB 50171 Erection works of electrical installations - Code for construction and acceptance of switchboard outfit, complete cubicle and secondary circuit
DL/T 474.1 Guide for insulation test on site - Insulation resistance, dielectric absorption ratio and polarization index test
DL/T 489 Test code for static rectifier excitation system of large and medium-sized hydro-generator
DL/T 490 Rule for installation and accepting test regulation of the generator excitation system
DL/T 496 Guide of regulating and testing for electro-hydraulic regulating system and devices of hydraulic turbines
DL/T 507 Start-up test code for hydro-generating units
DL/T 563 Technical code for electro-hydraulic regulating system and unit used in hydraulic turbines
DL/T 583 Specification for static rectified excitation systems for large and medium hydro generators
DL/T 827 Start-up test code for bulb hydro-generating units
DL/T 862 Code of installation and acceptance for automation components (devices) for hydropower plants
DL/T 1013 Test guide for microprocessor excitation regulator for large and medium hydro generators
DL/T 1245 Technical guide for hydraulic turbine regulating system in grid
DL/T 1770 Code for filling and emptying procedures of water conveyance system for pumped storage power station
DL/T 1800 Technical guide for modeling and testing of hydraulic turbine governing system
DL/T 1818 Specification of reversible pump-turbine governing system test
DL/T 2194 Guide for technical requirements and test on primary frequency control of hydroelectric generating units
DL/T 5070 Technological guide for manufacturing, assembling and welding of metal spiral case of turbine in site
DL/T 5420 Technological guide for stator assembly in site of hydraulic generators
NB/T 35089 Technical specification for the ring gate of hydraulic turbines
NB/T 47013.4 Nondestructive testing of pressure equipments - Part 4: Magnetic particle testing
NB/T 47013.5 Nondestructive testing of pressure equipments- Part 5: Penetrant testing
NB/T 47013.10 Nondestructive testing of pressure equipments - Part 10: Ultrasonic time of flight diffraction technique
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 2900.25 and GB/T 2900.45, and the following apply.
3.1
assembly
process of combining parts into a complete component, following a given operating sequence,
3.2
installation
operating process in which components are combined into a complete set according to the intended purpose and the equipment is secured in the specified position as required, so as to enable the intended function
3.3
reference for installation
measurement and positioning reference for spatial positions based on which equipment or components are assembled and installed
3.4
deviation
difference between a value and the reference value
Note: For dimensional deviations, the reference value is represented by the nominal dimension and “a value” is represented by the actual size.
3.5
verticality
distance of the centerline of equipment or component deviating from the plumb line, and distance of the orientation or the characteristic surface of the equipment or component deviating from the plumb line, expressed in relative values or in absolute values based on the selected position
3.6
orientation and center
Orientation refers to the X and Y marker lines on a part or component; center refers to the intersection of the X-X and Y-Y marker lines on a part or component
3.7
vibration
reciprocal displacement of the specified points of components in a unit relative to the equilibrium position, varying over time
3.8
run-out
radial vibration of a part of the rotating spindle of a unit relative to the neighboring fixed components
3.9
barring
operation of slowly rotating the shaft system of a unit by manual, mechanical or electrical means, and measuring the run-out of each characteristic part of the shaft system in order to obtain the spatial position status of the shaft system
3.10
run-out during unit turning
run-out value (peak-to-peak) measured during turning of the unit
3.11
run-out during unit operation
run-out value (peak-to-peak value at passband frequency) measured during normal or transient operation of the unit
Note: Run-out during unit operation is also known as shaft vibration.
3.12
relative shaft vibration measurement
shaft vibration measurement of a rotating shaft using a fixed part of the unit (e.g., bearing housing) as a reference
3.13
vibration in wide band frequencies
algebraic difference between the peak and trough envelopes of the full waveform signal of the absolute vibration of the fixed components or the relative vibration (run-out) of the rotating components of a hydraulic turbine-generator unit in a measurement period (at confidence level of 0.97 )
3.14
rotational frequency
f0
frequency of rotation of the spindle of a hydraulic turbine-generator unit
Note: f0=n/60, where n is the synchronous speed of the generator. Rotational frequency is also known as the base frequency or one-octave frequency.
3.15
polar frequency
fp
important parameter characterizing the fundamental vibration frequency of hydraulic generator, which is the product of the number of poles, 2P, and the rotational frequency of the hydraulic generator
Note: fp=2P·f0, where P is the number of pole pairs.
3.16
idle running
simply mechanical rotation behavior of hydraulic turbine-generator unit without excitation
3.17
speed no-load
operation mode in which the hydraulic turbine-generator unit is put into excitation at rated speed, with the generator terminal voltage at the rated voltage and the generator output apparent power at zero
3.18
rotor roundness
difference between the maximum and minimum radius of any cross section at the outer edge of the rotor pole core of hydraulic generator
Note: That is, the distance between the inner and outer envelopes of the outer edge contour line of the rotor pole core, and is measured at the bump of the pole core.
3.19
stator roundness
difference between the maximum and minimum radius of any cross section at the inner edge of the stator core of hydraulic generator
Note: That is, the distance between the inner and outer envelopes of the inner edge contour line of the stator core.
3.20
air gap
minimum radial distance between the outer edge of rotor pole and the inner edge of stator core in a generator
3.21
partial discharge (PD)
electrical discharge where the insulation between conductors is only partially bridged
Note 1: Partial discharge may or may not occur near the conductor.
Note 2: For the purposes of this document, partial discharge (PD) refers to the phenomenon of electrical discharge in or on the partially bridged insulation of stator winding of hydraulic generator.
Note 3: Partial discharge includes discharge inside insulation, slot discharge, discharge between bar layers, winding end discharge and single bar discharge along the surface.
3.22
corona
partial discharge, in the main form of glow, generated by the gas medium around the insulation surface of stator bar or winding end due to ionization under a certain potential gradient
Note 1: Corona is usually accompanied by luminescence and noise, and is a form of partial discharge.
Note 2: For the purposes of this document, it refers to the discharge glow phenomenon that is observable in a dark environment on the insulation surface of the stator bar or on the insulation surface at the winding end, e.g., at slot end pad and bevel pad, between a bar and end hoop, bar and stator core, where the stator bar or winding is charged.
3.23
building information modeling (BIM)
modeling the real information contained in a building by digital information simulation based on a building model established based on the relevant information data of the construction project
4 General requirements
4.1 Before installation of the unit equipment, the following relevant technical data shall be available:
a) construction drawings and technical documents, including design reports and design modification notices;
b) drawings and technical requirements of the equipment, including installation instructions, operation and maintenance instructions and technical reports;
c) end-of-manufacturing quality documents of the equipment, including end-of-manufacturing inspection records, test records, acceptance certificates and material performance reports of main parts and components; and
d) construction organization design or construction scheme.
Contents of GB/T 8564-2023
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 General requirements
5 Installation of the vertical mixed-flow and axial-flow turbines
5.1 Installation of embedded components
5.2 Assembly of the runner
5.3 Pre-installation of water distributor
5.4 Installation of rotating components
5.5 Installation of the guide vanes and servomotors
5.6 Installation of the turbine guide bearings and spindle seals
5.7 Installation of the cylindrical valve
5.8 Installation of the hydraulic turbine accessories
6 Installation of horizontal mixed-flow turbines
6.1 Installation of embedded components
6.2 Installation of the volute and the water distributor
6.3 Installation of the bearing housing
6.4 Installation and adjustment of bearing bush
6.5 Installation of spindle
6.6 Installation of the runner and accessories
7 Installation of bucket turbines
7.1 Installation of embedded components in foundation and tailwater lining
7.2 Installation of the flow steadying grid
7.3 Installation of casing
7.4 Installation of the looped distributing pipe
7.5 Installation of the hydraulic turbine spindle
7.6 Installation of the nozzle and the deflector
7.7 Installation of the runner
7.8 Installation of the bearing of vertical bucket turbine
7.9 Installation of the horizontal bucket turbine
8 Installation and commissioning of speed regulating systems
8.1 Installation and commissioning of the oil pressure supply unit
8.2 Installation and commissioning of the regulator
8.3 Installation of the pipeline for the speed regulating system
8.4 Oil filling and field test of the speed regulating system
9 Installation of the main valves and accessories of hydraulic turbine
9.1 Installation of the embedded components in the foundation
9.2 Installation of the butterfly valve
9.3 Installation of the ball valve
9.4 Installation of the expansion joint
9.5 Installation of the bypass valve and the pipeline system equipment
9.6 Installation of the main valve operating mechanism
9.7 Field test of the main valve
10 Installation of vertical hydraulic generators
10.1 Assembly of the stator
10.2 Assembly of the rotor
10.3 Frame assembly
10.4 Bearing bush scraping and bearing pre-assembly
10.5 General installation of generator
10.6 Installation of generator accessory
11 Installation of horizontal hydraulic generator
11.1 Installation of embedded components in the foundation
11.2 Installation of bearing housing
11.3 Installation and adjustment of bearing bush
11.4 Bearing inspection and clearance adjustment
11.5 Stator installation
11.6 Rotor installation and final assembly of generator
12 Installation and commissioning of excitation system and static frequency conversion (SFC) starting device
12.1 Excitation system equipment installation
12.2 Commissioning of excitation system equipment
12.3 Installation of static frequency conversion (SFC) starting device
12.4 Commissioning test of static frequency conversion (SFC) starting device
13 Installation of bulb hydraulic turbine-generator unit
13.1 Installation of embedded components
13.2 Assembly of water distributor
13.3 Spindle and bearing assembly
13.4 Runner assembly and test
13.5 Installation of water distributor and servomotor
13.6 Spindle installation and adjustment
13.7 Installation of runner and runner chamber
13.8 Assembly of rotor
13.9 Assembly of stator
13.10 Assembly of bulb head elements
13.11 General assembly of unit
13.12 Accessory installation
14 Installation and commissioning of auxiliary equipment
14.1 Production of fittings and pipe accessories
14.2 Pipe welding
14.3 Installation of pipelines
14.4 Tests of pipes and fittings
14.5 Purge and cleaning of pipelines
14.6 Installation and commissioning of oil system equipment
14.7 Installation and commissioning of water system equipment
14.8 Installation and commissioning of gas system equipment
15 Electrical test of stator and rotor installation of hydraulic generators
15.1 Inspection of stator windings before building-in
15.2 AC withstand voltage test during stator winding installation
15.3 Electrical test of stators
15.4 Electrical test of rotor poles and accessories
15.5 Test of rotor winding
16 Startup and trial run of hydraulic turbine-generator unit
16.1 General provisions
16.2 Water filling test of units
16.3 Speed no-load test of units
16.4 Unit grid connection and load test
16.5 Startup and trial run of reversible pumped storage unit
Annex A (Informative) Application of laser tracking measurement technology
Annex B (Informative) List of handover materials
Annex C (Informative) Hydraulic test of looped distributing pipe
Annex D (Normative) Stator winding drying requirements for hydraulic generator
Annex E (Informative) Sensor installation requirements for on-line monitoring device of hydraulic turbine-generator unit
Annex F (Informative) Pickling, passivating and flushing of pipelines
Annex G (Informative) List of typical test items for static (waterless) commissioning of hydraulic turbine-generator unit and its ancillary equipment
Bibliography
