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STN EN 61362



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Označenie: STN EN 61362
Slovenský názov: Pokyny na špecifikáciu regulačných systémov hydraulických turbín
Anglický názov:
Pôvodné označenie:
Dátum vydania: 1. 2. 2013
Dátum zrušenia:
Jazyk: EN
ICS: 27.140
Triediaci znak: 08 6501
Úroveň zapracovania: idt IEC 61362:2012, idt EN 61362:2012
Vestník: 01/13
Poplatok: Tlačená verzia: 24,40 € 


Elektronická verzia
  1. Bez možnosti tlače, prenosu textu a obrázkov: 21.96 €
  2. Bez možnosti tlače, s prenosom textu a obrázkov: 24.40 €
  3. S možnosťou tlače, prenosu textu a obrázkov: 31.72 €
Vestník harmonizácie:
Nariadenie vlády:
Zmeny:
Nahradzujúce normy:
Nahradené normy: STN EN 61362:2002-05 (08 6501)
Poznámka vo Vestníku:
Predmet normy:



Obsah normy STN EN 61362
Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions, symbols and units
3.1 General terms and definitions
3.2 Terms and definitions related to control levels and control modes
3.3 Terms and definitions from control theory
3.4 Subscripts and prefixes
3.5 Terms and definitions related to the plant and the machines
3.6 Terms and definitions relating to the governing system
4 Control structure
4.1 General
4.2 Main control functions
4.2.1 General
4.2.2 Speed control
4.2.3 Power output control
4.2.4 Opening control
4.2.5 Water level control
4.2.6 Flow control
4.3 Configurations of combined control systems
4.3.1 General
4.3.2 Parallel structure
4.3.3 Series structures
4.3.4 Other configurations
4.4 Configurations of servo-positioners
4.5 Multiple control
4.5.1 General
4.5.2 Parallel structure
4.5.3 Series structure
5 Performance and components of governing systems
5.1 General
5.2 Modeling and digital simulation
5.3 Characteristic parameters for PID-controllers
5.3.1 General
5.3.2 Permanent droop bp
5.3.3 Proportional action coefficient Kp, integral action time TI, and derivative action time TD
5.4 Other parameters of the governing systems
5.4.1 Command signal adjustments for controlled variables (speed, power output, etc.) and load limiter
5.4.2 Governor insensitivity ix/2
5.4.3 Parameters of servo-positioner
5.5 Functional relationship between servo-positioners
5.5.1 Dual regulation of turbines with controllable guide vane and runner blade angles
5.5.2 Dual control of turbines with needles and deflectors
5.5.3 Multiple control
5.5.4 Other relationships
5.6 Actual signal measurement
5.6.1 General
5.6.2 Rotational speed
5.6.3 Power output
5.6.4 Water level
5.6.5 Actuator position (stroke)
5.6.6 Signal transmission from electronic transmitters
5.7 Manual control
5.8 Linearization
5.9 Follow-up controls
5.10 Optimization control
5.11 Monitoring parallel positioning of amplifiers
5.12 Provision of actuating energy
5.12.1 General
5.12.2 System with an accumulator
5.12.3 Systems without accumulator
5.12.4 Direct electric positioner
5.12.5 Recommendation for hydraulic fluid selection
5.13 Power supply for electronic control systems
5.14 Operational transitions
5.14.1 Start-up and synchronization
5.14.2 Normal shutdown
5.14.3 Sudden load rejection
5.14.4 Other operational transitions
5.15 Safety devices/circuits
5.15.1 General
5.15.2 Quick shutdown and emergency shutdown
5.15.3 Overspeed protection device
5.15.4 Interlocks
5.16 Supplementary equipment
5.16.1 Measures to reduce pressure variations
5.16.2 Surge control
5.16.3 Equipment and measures to lower the speed rise
5.16.4 Central flow rate control in river power station systems
5.16.5 Brakes
5.16.6 Synchronous condenser mode of operation
5.17 Environmental suitability of governor components
5.17.1 Vibration and shock resistance
5.17.2 Temperature and humidity
5.18 Electromagnetic compatibility
6 How to apply the recommendations
Annex A (normative) Simplified differential equations and transfer functions of idealized PID-controllers
Annex B (informative) Grid frequency control
Annex C (informative) Quick shutdown and emergency shutdown
Figure 1 – Controlled variable range
Figure 2 – Permanent droop
Figure 3 – Proportional action coefficient and integral action time
Figure 4 – Derivative time constant
Figure 5 – Dead band
Figure 6 – Minimum servomotor opening/closing time
Figure 7 – Time constant of the servo-positioner
Figure 8 – Servo-positioner inaccuracy
Figure 9 – Control system dead time
Figure 10 – Control system with speed and power output controllers in parallel
Figure 11 – Control system with speed controller and power command signal in parallel
Figure 12 – Control system with speed controller and water level controller in parallel
Figure 13 – Governing system with power output and speed controller in series
Figure 14 – Governing system with water level controller and speed controller in series
Figure 15 – Power output control via the speed controller
Figure 16 – Water level controller without speed controller
Figure 17 – Parallel structure with defined functional relation and an additional signal superimposition
Figure 18 – Series structure with defined functional relation and additional signal superimposition
Figure 19 – Time step response and frequency response of the amplifier output Y/Ymax to a displacement input sv
Figure 20 – Pressure tank content and pressure ranges
Figure 21 – Open-circuit system
Figure 22 – Start-up speed curve up to synchronization
Figure 23 – Load rejection
Figure A.1 – Idealized PID in pure parallel structure
Figure A.2 – Idealized PID alternative representation
Figure B.1 – Example of principle schematic functional diagram of a unit with a turbine governing system using an idealized PID controller with a
power droop
Figure B.2 – Behaviour of two units with different governor permanent droop values
Table C.1 – Alternative I – Summary of cases for quick shut-down and emergency shutdown
Table C.2 – Alternative II – Summary of cases for quick shut-down and emergency shutdown