New Edition published: IEC 61850-7-410 for Hydroelectric Power Plants, Steam and Gas Turbines

The new edition of IEC 61850-7-410 has been published (this is Edition 3.0):

Communication networks and systems for power utility automation - Part 7-410: Basic communication structure - Hydroelectric power plants, steam and gas turbines - Logical node classes

IEC 61850-7-410:2026 specifies the logical node classes for use in the domain of hydroelectric power stations, steam and gas turbines. 

Read more details and access a sample HERE.

The standard defines a huge number of details ... excerpt of one group of LNs: 

Logical nodes for primary equipment

The IEC_61850-7-410.NSD.2024A3 light code component can be downloaded HERE. The light code components (XML) lists all logical nodes and data objects, for example:

LN: Penstock burst protection Name: KPBP

Unfortunately the semantic of the "names" are only available in the full code component ... comes with the the standard ... for sale.

Trick: The names and brief description for the logical nodes come with the sample (as shown above).

No Gas No Electric Power - Yes, it Happend

Taiwan was hit recently by a massive blackout caused by simply closing two gas valves that powered six power generators with a total capacity of some 4,0000 MW or 4 GW!
How could that happen? The peak generation did not have reserve power. So the 4 GW tripped could not be compensated by other generations. It happens so fast!
The general stress was one aspect - another was an error made by humans, "almost 9 per cent of the island’s generation capacity, stopped after workers accidentally shut off its natural gas supply".

I am not aware of any details of the human error. One thing is clear: Our infrastructure is really under stress! It will take some efforts to get it fixed.

Click HERE for a news report.

We have really problems with existing and new infrastructures:

Check the pictures from the problems of the new train tunnel project in Rastatt (close to my home town Karlsruhe/Germany) ... you may read German as well ...

What happened? Who knows? Maybe the cheapest offer was awarded a contract ...
There is almost no redundancy in the Rhine river valley rail system ... redundancy costs money ...

It is a pity that new build infrastructure collapses and destroys old (still working) infrastructures.

Logical Nodes and Data Models for Steam and Gas Turbines

IEC has just published a committee draft (CD) with a proposal for new models to be used in steam and gas turbines:

57/1383/CD - AIEC 61850-7-410 A1:
Amendment 1 to IEC 61850-7-410: Communication networks and systems for power utility automation – Part 7-410: Basic communication structure – Hydroelectric power plants – Communication for monitoring and control

Comments could be provided until 2013-11-01

The draft contains the details of the following new logical nodes (with some 120 data objects):

EBCF	Block control function. This LN will represent one physical device that coordinates the control of the thermal pressure of the steam generator and the electrical power regulation of turbine / generator system
EFCV	Fuel control valve. This LN will represent the physical device of fuel control valve related to the gas turbine in a thermal power plant.
EGTU	Gas turbine production unit. This LN represents the physical device of the GT and the generator combination in a thermal power plant. It is intended as an extended rating plate that allows settings of data. It also acts as a placeholder for the current operating conditions of the unit.
ESCV	Steam control valve. This LN will represent the physical device of inlet control valve of the steam turbine in a thermal power plant.
ESPD	Speed monitoring. This LN is derived from HSPD
ESTU	Steam turbine production unit. This LN represents the physical device of the ST and the generator combination in a thermal power plant. It is intended as an extended rating plate that allows settings of data. It also acts as a placeholder for the current operating conditions of the unit.
EUNT	Thermal unit operating mode. The present status of the production unit
FDBF	Dead-band filter. This LN represents a settable filter for dead-band
FMTX	Trip matrix. This LN represents a matrix for linking various trip functions to equipment that shall be tripped or controlled during a fault.
GUNT	Production unit operating mode. The present status of the production unit
SECW	Supervision of electrical conductivity in water. This logical node represents a system for monitoring of electrical conductivity in water.
TECW	Measurement of electrical conductivity in water. This logical node represents a generic device for measuring the conductivity in water.

The LN Group E stands for “Enthalpy”; Enthalpy is a measure of the total energy of a thermodynamic system.

IEC 61850 soon for Steam and Gas turbines

A New Work Item has been proposed by Sweden to use IEC 61850 for Steam and Gas Turbines (Document 57/1193/NP). IEC 61850-7-410 defines already extensions of the Information models for applications in Hydro Power Plants.

The draft second edition of IEC 61850-7-410 has been extended to cover power system stabilizer (PSS) functions, as well as complex excitation systems. In order to use the IEC 61850 communication system for thermal power plants, additional data models for e.g. steam turbines with ancillary equipment is required. In a further future work, additional models for boilers, burner management, flue gas cleaning could be added.

The ballot of the NP closes 2012-02-17.

If you are interested in getting involved contact your IEC TC 57 National Committee.

Click HERE for the list of countries involved in IEC TC 57.