First Draft IEC 61850-90-16 Requirements for System Management for IEC 61850

The first Draft on IEC 61850-90-16 (97 pages) has been published (57/2014/DC):

Requirements for System Management for IEC 61850

"The distribution grid is facing a massive roll out and refurbishment of automation equipment to
implement deeper monitoring and new smart grid applications. The new equipment to be deployed in order to solve today’s issues (MV voltage and reactive power regulation for example) will necessarily have to be adjustable and upgradeable in order to face challenges of tomorrow (for example massive electric vehicles fleets, low voltage automation, …) which will arrive long before the end of its 20 years’ service life. Furthermore, there is a necessity for the equipment to adapt to the evolving and growing cybersecurity threats.
The equipment will therefore need to be patched, updated and reconfigured, and this has to be done remotely due to the great number of equipment. This is a cornerstone of the System Management (SM), which refers to functionalities that are not directly linked to the operational role of the equipment but allow it to perform its operational functions in the best conditions possible. Smart Grid Devices Management also includes other functions such as asset management or supervision.
These functionalities need to be managed by the grid operator and address multiple devices from different vendors through independent Information Systems and thus the requirements and exchanges need to be standardized. As these are to be applied to IEC 61850 compliant equipment, these mechanisms need to be integrated in the standard. ..."

Comments are due by 2018-09-28

Out-Of-Range Quality Flag and Reporting Quality-Change Event

In addition to the following two discussions that contain a view on measured values:

What Does Complexity of a Protocol Mean-
Are you prepared for the Solar Eclipse 2015 on March 20-

I will now look into the possibility to automatically monitor and report the limit violation of a measured value using standard configuration of IEC 61850 Information Models (LN STMP1), Data Sets and Report Control.

There are two options to report the temperature value reaching the maximum possible value: using the quality information of the “Tmp.q” (configured by the configuration of the “max” value in “rangeC”) or the “Alm” (configured by “TmpAlmSpt”) as depicted in the following figure:

We need to configure a Data Set and a Report Control Block for each case. In case of using “q” we have to communicate and interpret the “q” value “questionable and out of range” (which is a bit pattern!). In case of using the alarm data object “Alm” we just send and receive a simple Boolean value “True”. There is no need to interpret a bit pattern.

For machines it should be no big difference to analyze a bit pattern or a Boolean value.

Both approaches would provide the information that a measured value is higher than a specific limit (max or alarm limit). Which one you would like is up to you.

It is recommended that for specific domains it is specified in a “profile” document, which option to use. Maybe you want to use both: the “q” for asset management and the “Alm” for Automation functions to automatically start a cooling system. The “Alm” could easily be used for GOOSE messaging to inform a wide range of subscribers of the alarm …

The nice thing is that you can easily configure the multiple options just by SCL !! No programming needed – if the values of “q” and “Alm” are provided by the application.

Lesson learned: First define your need – then design the behavior of your Report and GOOSE messaging. If you don’t know what you want to accomplish, no standard can help you.

Condition Monitoring of Assets with IEC 61850

Asset Management using IEC 61850 is one of the important areas of future power delivery systems. Transformer monitoring in the Distribution Network is one of the crucial solutions to keep the power flowing. IEC 61850 and IEC 61400-25 have a lot of logical nodes and data objects.
The presentation of a paper by Karlheinz Schwarz at the Distributech 2010 was attended by some 40 experts. Good questions were discussed at the end of the presentation. The paper has an attachment with the names of all 283 published Logical Nodes of all standards of the series IEC 61850 and IEC 61400-25.

Click HERE for the paper [PDF, 670 KB]
Click HERE for the presentation slides [PDF, 300 KB]

Recently another paper on the same subject was presented by Rod Hughes and Christoph Brunner.

More to come soon.

Distribution Company Vector’s Ten-Years Plan for IEC 61850

Vector Limited is the electric power distribution company in the Auckland (New Zealand) area. The company publishes every year an Asset Management Plan (AMP) – informing the public and others what the company is planning to do with their assets. The current plan covers a ten year planning period from 1 April 2011 to 31 March 2021.

One goal of the current AMP is to demonstrate innovation and efficiency improvements. What does this mean related to IEC 61850? A lot in the past and in the future:

• Vector’s substation automation system is based on resilient optical
  Ethernet local area network running IEC 61850 compliant IEDs.
• Vector’s current standard for internal and external communication systems is IEC 61850 standard. DNP3 is also used as an interim solution.
• At present over 50% of Vector’s primary substation are equipped with IEC 61850 compliant IEDs.
• Vector has been running an annual RTU replacement programme for a number of years, and is currently replacing approximately 10 RTUs per region per annum. To replace conventional RTUs, two approved solutions have been used, traditional RTUs with a migration path to IEC 61850, and fully compliant IEC 61850 solutions.
• …

Click HERE for the current plan (2011-2021) [PDF, 10 MB]

The Parts of IEC 61850 – Status 2011-06

The status (2011-07-15) of the various parts of IEC 61850 is as follows (blue means: Edition 2 of the corresponding document):

System Aspects

1 Introduction and Overview
2 Glossary
3 General Requirements (EMC, …)
4 System and Project Management
5 Comm. Requirements for Functions and Device Models (reaction time …)

Configuration

6 Configuration Language for electrical Substation IED’s (App., IEDs, System, …)

Abstract Communication Services

7-1 Principles and Models
7-2 Abstract Communication Services (ACSI)

Mapping to real Communication Networks (SCSM)

8-1 Mapping to MMS and ISO/IEC 8802-3
9-2 Sampled Values over ISO/IEC 8802-3

Testing

10 Conformance Testing
10-2 Interoperability test for hydro equipments based on IEC 61850

Data Models und usage of models

7-3 Common Data Classes
7-4 Compatible Logical Node and Data Classes
7-410 Hydroelectric power plants
7-420 Distributed energy resources (DER)
7-5 Usage of information models SAS
7-500 Use of LN to model functions (SAS)
7-510 Use of LN (hydro power plants)
7-520 Use of LN (DER)
7-10 Web-based access to the IEC 61850 models

Use-cases and network infrastructure

80-1 Guideline … CDC-based data model using IEC 60870-5-101 or IEC 60870-5-104

90-1 Using IEC 61850 for SS-SS communication
90-2 Using IEC 61850 for SS-CC communication
90-3 Using IEC 61850 for Condition Monitoring
90-4 Network Engineering Guidelines
90-5 Exchange of synchrophasor information
90-6 Use of IEC 61850 for Distribution Automation
90-7 Object Models for PV, Storage … inverters, …
90-8 Object Models for Electrical Transportation
90-9 Object Models for Batteries

The number of Information Models are:

7-3 Common Data Classes [40]
7-4 Compatible Logical Node / Data Classes [158 LN /982 DO]
7-410 Hydroelectric power plants [ 63/350]
7-420 Distributed energy resources (DER) [ 50/450]
90-3 Using IEC 61850 for Condition Monitoring [?]
90-5 Exchange of synchrophasor information [?]
90-6 Use of IEC 61850 for Distribution Automation [?]
90-7 Object Models for PV, Storage … (important!) [5/50]
90-8 Object Models for Electrical Transportation [?]
90-9 Object Models for Batteries [?]
61400-25-2 Wind Turbines [16/250]

IEC 61850 on IPC@CHIP® at Hannover Messe, April 19-23, 2010

Beck IPC (Pohlheim, Germany), SystemCorp (Perth, Australia), and NettedAutomation (Karlsruhe, Germany) will present at the Hannover Messe 2010 (Hannover, Germany) in Hall 27 Booth E51 on 19.-23. April 2010 the IEC 61850 integrated on the IPC@CHIP^®, compact modules and ruggedized IEDs for harsh environments based on IPC@CHIP^®.

The IEC 61850 conformant products shown in Hannover are applicable for many domains of utility automation - to make the power delivery system smarter:

• Smart Automation of Power Generation
  Monitoring, protection and control of process and equipment (reactive power control, condition monitoring of turbines, ...)
• Smart Automation of Power Transmission
  Monitoring, protection and control of process and equipment (interlocking, condition monitoring of transformer and switch gears, ...)
• Smart Automation of Power Distribution
  Monitoring, protection and control of process and equipment (fault location, power restoration, condition monitoring of transformer, ...)
• Smart Automation of Vehicle to Grid
  Monitoring and control of process and equipment (charger station, condition monitoring of charging station, ...)
• Smart Automation of Loads and Generation
  Monitoring and control of process and equipment (load control, active and reactive power control, ...)

Due to the fact that IEC 61850 / IEC 61400-25 define many common aspects of standardized information and information exchange services it is obvious that standard conformant products can be applied in many domains outside the power industry: in gas and oil transmission and distribution networks, and in any other industrial automation domain.

See you in two weeks: IEC 61850 - Enterprise Information and Asset Management at DistribuTech 2010

Three case studies explore experiences in planning, architecting and implementing innovative applications that leverage power system automation and control infrastructure and data to extend benefits beyond the control room.

DistribuTech 2010, Wednesday, March 24, 9:30 a.m.

Enterprise Information and Asset Management   (Room 19)

Conquering Organizational, Business Process and IT Challenges

Author(s):

• Al Mithani, DMS Project Manager, BC Hydro
• Bob Uluski, Executive Advisor, Quanta Technology

Distribution Substation Transformer Monitoring and Diagnostics at AEP
Author(s):

• Paul Thomas, AEP Ohio gridSMARTSM Deployment Project Manager, American Electric Power
• Byron Flynn, Technical Director, GE Energy
• Leon White, Monitoring & Diagnostics Sales Manager, GE Energy

Monitoring of Power System and Communication Infrastructures Based on IEC 61850 and IEC 61400-25
Author(s):

• Karlheinz Schwarz, Owner, SCC (Schwarz Consulting Company)

Click HERE for the paper abstract.

See you in Room 19 on Wednesday, March 24, 9:30 a.m.