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eLibrary >
PD IEC/TR 61850-90-7:2013 Communication networks and systems for power utility automation - Object models for power converters in distributed energy resources (DER) systems >
PD IEC/TR 61850-90-7:2013 Communication networks and systems for power utility automation - Object models for power converters in distributed energy resources (DER) systems, 2013
- 30280809-VOR.pdf [Go to Page]
- CONTENTS
- FOREWORD
- 1 Scope
- 2 Normative references
- 3 Terms, definitions and acronyms [Go to Page]
- 3.1 Terms and definitions
- 3.2 Acronyms
- 4 Abbreviated terms
- 5 Overview of power converter-based DER functions [Go to Page]
- 5.1 General
- 5.2 Power converter configurations and interactions
- 5.3 Power converter methods
- 5.4 Power converter functions
- 5.5 Differing DER architectures [Go to Page]
- 5.5.1 Conceptual architecture: electrical coupling point (ECP)
- 5.5.2 Conceptual architecture: point of common coupling (PCC)
- 5.5.3 Utility interactions directly with power converters or indirectly via a customer EMS
- 5.5.4 Communication profiles
- 5.6 General Sequence of information exchange interactions
- 6 Concepts and constructs for managing power converter functions [Go to Page]
- 6.1 Basic settings of power converters [Go to Page]
- 6.1.1 Nameplate values versus basic settings
- 6.1.2 Power factor and power converter quadrants
- 6.1.3 Maximum watts, vars, and volt-amp settings
- 6.1.4 Active power ramp rate settings
- 6.1.5 Voltage phase and correction settings
- 6.1.6 Charging settings
- 6.1.7 Example of basic settings
- 6.1.8 Basic setting process
- 6.2 Modes for managing autonomous behaviour [Go to Page]
- 6.2.1 Benefits of modes to manage DER at ECPs
- 6.2.2 Modes using curves to describe behaviour
- 6.2.3 Paired arrays to describe mode curves
- 6.2.4 Percentages as size-neutral parameters: voltage and var calculations
- 6.2.5 Hysteresis as values cycle within mode curves
- 6.2.6 Low pass exponential time rate
- 6.2.7 Ramp rates
- 6.2.8 Randomized response times
- 6.2.9 Timeout period
- 6.2.10 Multiple curves for a mode
- 6.2.11 Multiple modes
- 6.2.12 Use of modes for loosely coupled, autonomous actions
- 6.3 Schedules for establishing time-based behaviour [Go to Page]
- 6.3.1 Purpose of schedules
- 6.3.2 Schedule components
- 7 DER management functions for power converters [Go to Page]
- 7.1 Immediate control functions for power converters [Go to Page]
- 7.1.1 General
- 7.1.2 Function INV1: connect / disconnect from grid
- 7.1.3 Function INV2: adjust maximum generation level up/down
- 7.1.4 Function INV3: adjust power factor
- 7.1.5 Function INV4: request active power (charge or discharge storage)
- 7.1.6 Function INV5: pricing signal for charge/discharge action
- 7.2 Modes for volt-var management [Go to Page]
- 7.2.1 VAr management modes using volt-var arrays
- 7.2.2 Example setting volt-var mode VV11: available var support mode with no impact on watts
- 7.2.3 Example setting volt-var mode VV12: maximum var support mode based on WMax
- 7.2.4 Example setting volt-var mode VV13: static power converter mode based on settings
- 7.2.5 Example setting volt-var mode VV14: passive mode with no var support
- 7.3 Modes for frequency-related behaviours [Go to Page]
- 7.3.1 Frequency management modes
- 7.3.2 Frequency-watt mode FW21: high frequency reduces active power
- 7.3.3 Frequency-watt mode FW22: constraining generating/charging by frequency
- 7.4 Dynamic reactive current support during abnormally high or low voltage levels [Go to Page]
- 7.4.1 Purpose of dynamic reactive current support
- 7.4.2 Dynamic reactive current support mode TV31: support during abnormally high or low voltage levels
- 7.5 Low/high voltage ride-through curves for “must disconnect” and “must remain connected” zones [Go to Page]
- 7.5.1 Purpose of L/HVRT
- 7.5.2 “Must disconnect” (MD) and “must remain connected” (MRC) curves
- 7.6 Modes for watt-triggered behaviours [Go to Page]
- 7.6.1 Watt-power factor mode WP41: feed-in power controls power factor
- 7.6.2 Alternative watt-power factor mode WP42: feed-in power controls power factor
- 7.7 Modes for voltage-watt management [Go to Page]
- 7.7.1 Voltage-watt mode VW51: voltage-watt management: generating by voltage
- 7.7.2 Voltage-watt mode VW52: voltage-watt management: charging by voltage
- 7.8 Modes for behaviours triggered by non-power parameters [Go to Page]
- 7.8.1 Temperature mode TMP
- 7.8.2 Pricing signal mode PS
- 7.9 Setting and reporting functions [Go to Page]
- 7.9.1 Purpose of setting and reporting functions
- 7.9.2 Establishing settings DS91: modify power converter-based DER settings
- 7.9.3 Event logging DS92: log alarms and events, retrieve logs
- 7.9.4 Reporting status DS93: selecting status points, establishing reporting mechanisms
- 7.9.5 Time synchronization DS94: time synchronization requirements
- 8 IEC 61850 information models for power converter-based functions [Go to Page]
- 8.1 Overall structure of IEC 61850
- 8.2 IEC 61850 system logical nodes
- 8.3 Key components of IEC 61850 information modelling of power converter-based functions [Go to Page]
- 8.3.1 Subsets of 61850 models for power converter-based DER functions
- 8.3.2 Types of interactions for settings, functions, and modes
- 8.3.3 Key common data classes (CDCs)
- 8.3.4 Messaging services
- 8.3.5 Message errors
- 8.4 Basic settings in IEC 61850 [Go to Page]
- 8.4.1 Logical nodes for basic settings
- 8.4.2 IEC 61850 models for basic settings
- 8.5 Mode settings in IEC 61850 [Go to Page]
- 8.5.1 Logical nodes for establishing and managing modes
- 8.5.2 IEC 61850 models for modes
- 8.6 Schedules in IEC 61850 [Go to Page]
- 8.6.1 Scheduling structures
- 8.6.2 IEC 61850 models for schedules
- 8.7 Immediate control functions in IEC 61850 [Go to Page]
- 8.7.1 IEC 61850 models for INV1: connect/disconnect
- 8.7.2 IEC 61850 models for INV2: adjust maximum generation level up/down
- 8.7.3 IEC 61850 models for INV3: adjust power factor
- 8.7.4 IEC 61850 models for INV4: charge/discharge storage
- 8.7.5 IEC 61850 models for INV5: pricing signal for charge/discharge of storage
- 8.8 Volt-var management modes in IEC 61850 [Go to Page]
- 8.8.1 IEC 61850 models for VV11 – VV12: volt-var curve settings
- 8.8.2 IEC 61850 models for VV13 – VV14: volt-var parameter settings
- 8.9 Frequency-related modes in IEC 61850 [Go to Page]
- 8.9.1 IEC 61850 for FW21: frequency-driven active power modification
- 8.9.2 IEC 61850 for FW22: Frequency-watt mode FW22: generating/charging by frequency
- 8.10 Voltage management modes in IEC 61850 [Go to Page]
- 8.10.1 IEC 61850 for TV31: dynamic reactive current support
- 8.10.2 IEC 61850 for “must disconnect”
- 8.10.3 IEC 61850 for “must remain connected”
- 8.11 Watt-triggered behaviour modes in IEC 61850 [Go to Page]
- 8.11.1 IEC 61850 for WP41 and WP42: feed-in watts control of power factor
- 8.12 Voltage-watt management modes in IEC 61850 [Go to Page]
- 8.12.1 IEC 61850 for VW51: voltage-watt management in generation and charging
- 8.13 Non-power mode behaviours in IEC 61850 [Go to Page]
- 8.13.1 IEC 61850 models for temperature mode TMP
- 8.13.2 IEC 61850 models for pricing signal mode PS
- 8.14 IEC 61850 reporting commands [Go to Page]
- 8.14.1 IEC 61850 models for DS91: modify DER settings
- 8.14.2 IEC 61850 models for DS92: event/history logging
- 8.14.3 IEC 61850 models for DS93: status reporting
- Bibliography
- Figures [Go to Page]
- Figure 1 – DER management hierarchical interactions: autonomous, loosely-coupled, broadcast/multicast
- Figure 2 – Electrical Connection Points (ECP) and Point of Common Coupling (PCC)
- Figure 3 – Producer and Consumer Reference Frame conventions
- Figure 4 – EEI Power Factor sign convention
- Figure 5 – Working areas for different modes
- Figure 6 – Example of voltage offsets (VRefOfs) with respect to the reference voltage (VRef)
- Figure 7 – Example of modes associated with different ECPs
- Figure 8 – Example of a volt-var mode curve
- Figure 9 – Example of hysteresis in volt-var curves
- Figure 10 – Example of deadband in volt-var curves
- Figure 11 – Local function block diagram
- Figure 12 – Time domain response of first order low pass filter
- Figure 13 – Interrelationships of schedule controllers, schedules, and schedule references
- Figure 14 – Volt-var mode VV11 – available vars mode
- Figure 15 – Power converter mode VV12 – Maximum var support mode based on WMax
- Figure 16 – Power converter mode VV13 –Example: static var support mode based on VArMax
- Figure 17 – Frequency-watt mode curves
- Figure 18 – Frequency-based active power reduction
- Figure 19 – Frequency-based active power modification with the use of an array
- Figure 20 – Example of a basic frequency-watt mode configuration
- Figure 21 – Example array settings with hysteresis
- Figure 22 – Example of an asymmetrical hysteresis configuration
- Figure 23 – Example array configuration for absorbed watts vs. frequency
- Figure 24 – Basic concepts of the dynamic reactive current support function
- Figure 25 – Calculation of delta voltage over the filter time window
- Figure 26 – Activation zones for dynamic reactive current support
- Figure 27 – Alternative gradient behaviour, selected by ArGraMod
- Figure 28 – Settings to define a blocking zone
- Figure 29 – Must disconnect and must remain connected zones
- Figure 30 – Examples of “must remain connected” requirements for different regions
- Figure 31 – Power factor controlled by feed-in power
- Figure 32 – Example configuration curve for maximum watts vs. voltage
- Figure 33 – Example configuration curve for maximum watts absorbed vs. voltage
- Figure 34 – Structure of the IEC 61850 Parts
- Figure 35 – Interrelationships of schedule controllers, schedules, and schedule references
- Tables [Go to Page]
- Table 1 – Producer Reference Frame (PRF) conventions
- Table 2 – Example basic settings for a storage DER unit
- Table 3 – Events
- Table 4 – Examples of status points
- Table 5 – Interpretation of logical node tables
- Table 6 – LPHD class
- Table 7 – Common LN class
- Table 8 – LLN0 class
- Table 9 – CDC SPS
- Table 10 – CDC SPC
- Table 11 – CDC DPC
- Table 12 – CDC INC
- Table 13 – CDC ING
- Table 14 – CDC ASG
- Table 15 – CDC ORG
- Table 16 – CDC CSG
- Table 17 – Schedule (SCR) common data class specification
- Table 18 – Service error type definitions
- Table 19 – LN DRCT – DER controller characteristics
- Table 20 – LN FMAR – set mode array
- Table 21 – LN DGSM – issue mode command
- Table 22 – LN DOPM – operations
- Table 23 – INV1 – LN CSWI – issue and respond to control
- Table 24 – LN FWHZ – set power levels by frequency for FW21
- Table 25 – LN RDGS – dynamic reactive current support for TV31
- Table 26 – LN FPFW – set power factor by feed-in power for WP41
- Table 27 – DS92 – IEC 61850 log structure
- Table 28 – LN DRCS – DER state for DS93
- Table 29 – DS93 – Status, settings, and measurement points [Go to Page]
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