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Xanthus Consulting International
PV/Storage Inverter Functions
EPRI Project andNIST Priority Action Plan: PAP 7
Frances Cleveland
Xanthus Consulting International
Xanthus Consulting International
HAN / CustomerSite
Market Operation Apps
60870-6-503App Services
SCADA Apps EMS Apps DMS Apps Engineering & Maintenance Apps
ExternalIT Apps
Data Acquisition and Control Front-End / Gateway / Proxy Server / Mapping Services / Role-based Access Control
61850-8-1Mapping to MMS
TC13 WG14
Meter Standards
61334
60870-5101&
104
61970 Component Interface Specification (CIS) 61968 SIDMS for Enterprise Application Integration (EAI)
61970 / 61968 Common Information Model (CIM)
Inter-Application Messaging Middleware, ebXML, and Web Services (specified in XML; mapped to appropriate protocols)
61850 Substation Devices
61850 DADER at
Customer Sites
60870-6TASE.2
Other Control Centers
60870-5RTUs or
SubstationSystems
IEDs, Relays, Meters, Switchgear, CTs, VTs
End
-to-E
nd S
ecur
ity S
tand
ards
and
Rec
omm
enda
tions
(wor
k in
pro
gres
s)
Current TC57 Reference Architecture – Scope and Layers
External Systems(Symmetric client/server
protocols)
Specific Communication Services Mappings
Specific Object Mappings
ApplicationInterfaces
Equipment AndSystem Interfaces
Telecontrol Communications
Media and Services
Communication Industry Standard Protocol Stacks(ISO/TCP/IP/Ethernet)
XMLMessaging
(work inprogress)
Protocol Profiles
Web Services SEP 2.0
WANCommunications
Media and Services
FieldDevices
Utility CustomersEnergyMarket Participants Other Businesses
Application To Application (A2A)and Business To Business
(B2B) Communications
Utility Service Providers
Net
wor
k, S
yste
m, a
nd D
ata
Man
agem
ent
(futu
re)
TC13 WG14
*Notes: 1) Solid colors correlate different parts of protocols within the architecture.2) Non-solid patterns represent areas that are future work, or work in progress, or related work provided by another IEC TC.
61850-7-2 ACSI
61850-7-3, 7-4 Object Models
CustomerMeters
Peer-to-Peer 61850 overSubstation bus and Process bus
60870-6-802Object Models
60870-6-703Protocols
Field Object Models
Xanthus Consulting International
HAN / CustomerSite
Market Operation Apps
60870-6-503App Services
SCADA Apps EMS Apps DMS Apps Engineering & Maintenance Apps
ExternalIT Apps
Data Acquisition and Control Front-End / Gateway / Proxy Server / Mapping Services / Role-based Access Control
61850-8-1Mapping to MMS
TC13 WG14
Meter Standards
61334
60870-5101&
104
61970 Component Interface Specification (CIS) 61968 SIDMS for Enterprise Application Integration (EAI)
61970 / 61968 Common Information Model (CIM)
Inter-Application Messaging Middleware, ebXML, and Web Services (specified in XML; mapped to appropriate protocols)
61850 Substation Devices
61850 DADER at
Customer Sites
60870-6TASE.2
Other Control Centers
60870-5RTUs or
SubstationSystems
IEDs, Relays, Meters, Switchgear, CTs, VTs
End
-to-E
nd S
ecur
ity S
tand
ards
and
Rec
omm
enda
tions
(wor
k in
pro
gres
s)
Current TC57 Reference Architecture – Scope and Layers
External Systems(Symmetric client/server
protocols)
Specific Communication Services Mappings
Specific Object Mappings
ApplicationInterfaces
Equipment AndSystem Interfaces
Telecontrol Communications
Media and Services
Communication Industry Standard Protocol Stacks(ISO/TCP/IP/Ethernet)
XMLMessaging
(work inprogress)
Protocol Profiles
Web Services SEP 2.0
WANCommunications
Media and Services
FieldDevices
Utility CustomersEnergyMarket Participants Other Businesses
Application To Application (A2A)and Business To Business
(B2B) Communications
Utility Service Providers
Net
wor
k, S
yste
m, a
nd D
ata
Man
agem
ent
(futu
re)
TC13 WG14
*Notes: 1) Solid colors correlate different parts of protocols within the architecture.2) Non-solid patterns represent areas that are future work, or work in progress, or related work provided by another IEC TC.
61850-7-2 ACSI
61850-7-3, 7-4 Object Models
CustomerMeters
Peer-to-Peer 61850 overSubstation bus and Process bus
60870-6-802Object Models
60870-6-703Protocols
Field Object Models
CIM Modeling Domain
IEC 61850 Modeling Domain
Xanthus Consulting International
DER (Generation and Storage) Functions and Interactions• DERs will provide:
– Energy (real power) from generators and from storage units– Reactive power support (volt/var support) to both distribution and
transmission efficiency and stability– Combined generation and storage can provide rapid response to
mitigate intermittent renewable resources like wind and solar– Low voltage ride-through, emergency reserves, harmonic-
damping– Rapid response to frequency deviations
• DER will be managed:– By customers for their own exclusive use– Through direct control by utilities or aggregators– Through market-driven bids, with direct control by utilities– Through market-driven, tariff-based demand response
Xanthus Consulting International
Different DER Interactions: Direct Control, Interactive Requests, Broadcast/Multicast
DER Integrated System
DER Generator
DER Storage
Controller
Controller
DER Energy Management System
at Utility Site or Customer Site
Utility/ESP DER Management System
Distributed Energy Resources (DER) Site
One-way Broadcast/Multicast
Loosely-coupled Two-way Interactive
Requests
Tightly-coupled Direct Control
Tightly-coupled Direct Control
DER Management: Interactions between Components
Loosely-coupled Two-way Interactive
Requests
Loosely-coupled Two-way Interactive
Requests
Xanthus Consulting International
DER Key Use Cases Must Cope with Many Different Configurations• Direct, tightly-coupled control
– Between inverter controller and ES-DER device– Between Customer EMS and multiple ES-DER devices
in a building, subdivision, or campus
• Interactive two-way monitoring and control– Between ISO/RTO and ES-DER system whose bid has
been accepted– Between Customer EMS and multiple ES-DER systems
with their own (sophisticated) controllers
• Broadcast/multicast one-way “pricing” or “request” signals– Between utility and Customer EMS– Between aggregator and ES-DER systems
Xanthus Consulting International
PV/Storage Inverter-based System Phase 1 Functions and InteractionsPhase 1 Functions• Connect/Disconnect from grid
• Limit maximum generation
• Set power factor
• Var settings, based on voltage
• Var settings, based on watts
• Storage charge / discharge rate (fast PEV chargers??)
• “Pricing” signal
• Event / history logging
• State / status reporting
• Time synchronization
Interaction• Direct command
• Immediate request
• Change settings
• Schedule of settings based on time
• Schedule of settings based on temperature
Phase 2 Functions• Low voltage ride-through!!
• Counteracting frequency deviation
• Other
Xanthus Consulting International
IEC 61850-7-420 for DER
• IEC 61850 – Interface Standard of Object Models for Utility Industry– Very modular– Establishes “well-known” standardized names, data formats, and services– Initially focused on substation automation, but now being expanded
• IEC 61850-7-420 for DER– Addresses only the “Nouns”– IEC 61850 object modeling constructs of LNs, etc:
• Covers:– General DER management– Photovoltaic systems– Fuel cells– Diesel generation– Combined heat and power– Wind power is handled separately (IEC 61400-25)
• Currently status is Final Draft International Standard (FDIS)– Due to become International Standard (IS) by mid-2008
Logical Nodes
Common Data Class
Common ComponentsStandard Data Types
Logical Nodes (LN)
Common Data Classes (CDC)
Common Attributes
Logical Devices (LD)
Data Objects (DO)
Xanthus Consulting International
Possible Inverter Logical Device
DER Schedule 1‐
12DSSCnDER Schedule 1‐
12DSSCn
Volt/VAR Modes1‐10FVVAnVolt/VAR Modes1‐10FVVAnFVVAn
Connect /
Disconnect ModeDOPM1
Max Generation
ModeDOPM2
Power FactorAngle ModeDOPM3
Charge/Discharge
Rate ModeDOPM4
Volt/VAR Curve
ModeDOPM5
DER Supervisory
ControlDRCC1
DER Controller
StatusDRCS1Connect /
Disconnect SwitchCSWI1
DER Controller
CharacteristicsDRCT1
InverterZINV1
DER Economic
DispatchDCCT1
Battery StorageZBAT1
Measurements ‐
OutputMMXU1
Measurements ‐
GridMMXU2
Status at
Connection
PointDPST1
DER Schedule
ControlDSSC1
Volt/VAR Array1‐10FVVAn
Setpoints
Activate
DER Schedule 1‐
12DSSCn
Select Array
Timers
Setpoints
Max/Min
Price
Connection State
Mode State
Local/Remote State
Setpoints
directindirect
Relationships:
Xanthus Consulting International
Common Data Classes Logical Nodes
UML Diagrams of IEC 61850 – CDCs, Data Sets, and Logical Nodes – Being Used for Mapping to SEP 2.0
Xanthus Consulting International
IEC 61850-7-420 Abstract Information Models (Italic indicates new DO)
DOPM