Already a subscriber? 
MADCAD.com Free Trial
Sign up for a 3 day free trial to explore the MADCAD.com interface, PLUS access the
2009 International Building Code to see how it all works.
If you like to setup a quick demo, let us know at support@madcad.com
or +1 800.798.9296 and we will be happy to schedule a webinar for you.
Security check
Please login to your personal account to use this feature.
Please login to your authorized staff account to use this feature.
Are you sure you want to empty the cart?
IEC/TR 60919-3 Ed. 2.1 en:2016 Performance of high-voltage direct current (HVDC) systems with line-commutated converters - Part 3: Dynamic conditions, 2016
- Redline version [Go to Page]
- CONTENTS
- FOREWORD
- 1 Scope
- 2 Normative references
- 3 Outline of HVDC dynamic performance specifications [Go to Page]
- 3.1 Dynamic performance specification
- 3.2 General comments
- 4 AC system power flow and frequency control [Go to Page]
- 4.1 General
- 4.2 Power flow control [Go to Page]
- 4.2.1 Steady-state power control requirements
- 4.2.2 Step change power requirement
- 4.3 Frequency control
- 5 AC dynamic voltage control and interaction with reactive power sources [Go to Page]
- 5.1 General
- 5.2 Voltage and reactive power characteristics of an HVDC substation and other reactive power sources [Go to Page]
- 5.2.1 General
- 5.2.2 Converter as active/reactive power source
- 5.2.3 Voltage characteristics of a.c. networks depending on the power loading at the busbar of the HVDC substation
- 5.2.4 Voltage characteristics of a.c. filters, capacitor banks and shunt reactors for power compensation at the HVDC substation
- 5.2.5 Voltage characteristics of static var compensator (SVC)
- 5.2.6 Voltage characteristics of synchronous compensator (SC)
- 5.2.7 Voltage characteristics of static synchronous compensator (STATCOM)
- 5.3 Voltage deviations on the busbar of an HVDC substation
- 5.4 Voltage and reactive power interaction of the substation and other reactive power sources [Go to Page]
- 5.4.1 HVDC converters, switchable a.c. filters, capacitor banks and shunt reactors
- 5.4.2 HVDC converters, switchable reactive power sources, SVC
- 5.4.3 HVDC converters, switchable reactive power sources and synchronous compensators
- 5.4.4 HVDC converters, switchable reactive power sources, STATCOM
- 6 AC system transient and steady-state stability [Go to Page]
- 6.1 General
- 6.2 Characteristics of active and reactive power modulation [Go to Page]
- 6.2.1 General
- 6.2.2 Large signal modulation
- 6.2.3 Small signal modulation
- 6.2.4 Reactive power modulation
- 6.3 Classification of network situations
- 6.4 AC network in parallel with the HVDC link
- 6.5 Improvement of the stability within one of the connected a.c. networks
- 6.6 Determination of the damping control characteristics
- 6.7 Implementation of the damping controller and telecommunication requirements
- 7 Dynamics of the HVDC system at higher frequencies [Go to Page]
- 7.1 General
- 7.2 Types of instability [Go to Page]
- 7.2.1 Loop instability (harmonic instability)
- 7.2.2 Current loop instability
- 7.2.3 Core saturation instability
- 7.2.4 Harmonic interactions
- 7.3 Information required for design purposes
- 7.4 Means available for preventing instabilities
- 7.5 Damping of low order harmonics by control action
- 7.6 Demonstration of satisfactory performance at higher frequencies
- 8 Subsynchronous oscillations [Go to Page]
- 8.1 General
- 8.2 Criteria for subsynchronous torsional interaction with an HVDC system
- 8.3 Screening criteria for identifying generator units susceptible to torsional interactions
- 8.4 Performance considerations for utilizing subsynchronous damping controllers (SSDCs)
- 8.5 Performance testing
- 8.6 Turbine generator protection
- 9 Power plant interaction [Go to Page]
- 9.1 General
- 9.2 Specific interactions [Go to Page]
- 9.2.1 General
- 9.2.2 Frequency variation effects
- 9.2.3 Frequency controls interactions
- 9.2.4 Overvoltage effects
- 9.2.5 Harmonics
- 9.2.6 Subsynchronous and shaft impact effects
- 9.2.7 Resonance
- 9.2.8 Overvoltages
- 9.2.9 Stresses in a.c. switching equipment
- 9.2.10 Under-frequency
- 9.2.11 Starting procedure for an HVDC converter
- 9.3 Special considerations for a nuclear plant
- Bibliography
- Figures [Go to Page]
- Figure 1 – Elements for reactive power compensation at an HVDC substation
- Figure 2 – P/Q diagram of a converter
- Figure 3 – Reactive power requirements of a weak a.c. system depending on the active power loading for various constant voltage characteristics at the a.c. bus of an HVDC substation
- Figure 4 – Representation of the a.c. network
- Figure 5 – Example of voltage – current characteristic showing possible current modulation range in the absence of telecommunicationbetween rectifier and inverter
- Figure 6 – Reactive power modulation in an HVDC transmission operating at minimum extinction angle γmin
- Figure 7 – Reactive power modulation in an HVDC transmission operating at extinction angle γ > γmin
- Figure 8 – Stability improvement of an a.c. link or network
- Figure 9 – Principle arrangements of a damping controller
- Final version [Go to Page]
- CONTENTS
- FOREWORD
- 1 Scope
- 2 Normative references
- 3 Outline of HVDC dynamic performance specifications [Go to Page]
- 3.1 Dynamic performance specification
- 3.2 General comments
- 4 AC system power flow and frequency control [Go to Page]
- 4.1 General
- 4.2 Power flow control [Go to Page]
- 4.2.1 Steady-state power control requirements
- 4.2.2 Step change power requirement
- 4.3 Frequency control
- 5 AC dynamic voltage control and interaction with reactive power sources [Go to Page]
- 5.1 General
- 5.2 Voltage and reactive power characteristics of an HVDC substation and other reactive power sources [Go to Page]
- 5.2.1 General
- 5.2.2 Converter as active/reactive power source
- 5.2.3 Voltage characteristics of a.c. networks depending on the power loading at the busbar of the HVDC substation
- 5.2.4 Voltage characteristics of a.c. filters, capacitor banks and shunt reactors for power compensation at the HVDC substation
- 5.2.5 Voltage characteristics of static var compensator (SVC)
- 5.2.6 Voltage characteristics of synchronous compensator (SC)
- 5.2.7 Voltage characteristics of static synchronous compensator (STATCOM)
- 5.3 Voltage deviations on the busbar of an HVDC substation
- 5.4 Voltage and reactive power interaction of the substation and other reactive power sources [Go to Page]
- 5.4.1 HVDC converters, switchable a.c. filters, capacitor banks and shunt reactors
- 5.4.2 HVDC converters, switchable reactive power sources, SVC
- 5.4.3 HVDC converters, switchable reactive power sources and synchronous compensators
- 5.4.4 HVDC converters, switchable reactive power sources, STATCOM
- 6 AC system transient and steady-state stability [Go to Page]
- 6.1 General
- 6.2 Characteristics of active and reactive power modulation [Go to Page]
- 6.2.1 General
- 6.2.2 Large signal modulation
- 6.2.3 Small signal modulation
- 6.2.4 Reactive power modulation
- 6.3 Classification of network situations
- 6.4 AC network in parallel with the HVDC link
- 6.5 Improvement of the stability within one of the connected a.c. networks
- 6.6 Determination of the damping control characteristics
- 6.7 Implementation of the damping controller and telecommunication requirements
- 7 Dynamics of the HVDC system at higher frequencies [Go to Page]
- 7.1 General
- 7.2 Types of instability [Go to Page]
- 7.2.1 Loop instability (harmonic instability)
- 7.2.2 Current loop instability
- 7.2.3 Core saturation instability
- 7.2.4 Harmonic interactions
- 7.3 Information required for design purposes
- 7.4 Means available for preventing instabilities
- 7.5 Damping of low order harmonics by control action
- 7.6 Demonstration of satisfactory performance at higher frequencies
- 8 Subsynchronous oscillations [Go to Page]
- 8.1 General
- 8.2 Criteria for subsynchronous torsional interaction with an HVDC system
- 8.3 Screening criteria for identifying generator units susceptible to torsional interactions
- 8.4 Performance considerations for utilizing subsynchronous damping controllers (SSDCs)
- 8.5 Performance testing
- 8.6 Turbine generator protection
- 9 Power plant interaction [Go to Page]
- 9.1 General
- 9.2 Specific interactions [Go to Page]
- 9.2.1 General
- 9.2.2 Frequency variation effects
- 9.2.3 Frequency controls interactions
- 9.2.4 Overvoltage effects
- 9.2.5 Harmonics
- 9.2.6 Subsynchronous and shaft impact effects
- 9.2.7 Resonance
- 9.2.8 Overvoltages
- 9.2.9 Stresses in a.c. switching equipment
- 9.2.10 Under-frequency
- 9.2.11 Starting procedure for an HVDC converter
- 9.3 Special considerations for a nuclear plant
- Bibliography
- Figures [Go to Page]
- Figure 1 – Elements for reactive power compensation at an HVDC substation
- Figure 2 – P/Q diagram of a converter
- Figure 3 – Reactive power requirements of a weak a.c. system depending on the active power loading for various constant voltage characteristics at the a.c. bus of an HVDC substation
- Figure 4 – Representation of the a.c. network
- Figure 5 – Example of voltage – current characteristic showing possible current modulation range in the absence of telecommunicationbetween rectifier and inverter
- Figure 6 – Reactive power modulation in an HVDC transmission operating at minimum extinction angle γmin
- Figure 7 – Reactive power modulation in an HVDC transmission operating at extinction angle γ > γmin
- Figure 8 – Stability improvement of an a.c. link or network
- Figure 9 – Principle arrangements of a damping controller [Go to Page]
