Goals

The functionality aims to make it easier for the system designer based on Action.NET implement in the project the storage of occurrences of interruption of supply and the use of this data for the generation of reports with the DEC and FEC indexes, daily, weekly and monthly, considered each feeder, each substation, city and state served by the concessionaire.
In order to obtain correctly the interruption events of the feeders, it was considered appropriate to include, in the same project, the ease of Unifilares Energization Visualization. The advantage of this facility is to allow the definition of the bays topology of the substations, and to make the calculation of the energized state or not of each bay, periodically.

General Project Organization

This item describes the overall organization of the project and the contents of the main tables, so that the functionalities developed can be used more appropriately.

Objects Table

In the table Objects, each entry must be one of the bays of a substation.
For each type of bay you must have an appropriate template for the Bay.
In this template in turn we will have sub templates of point types grouped according to their functionalities. The figures show examples of this organization: the bays of a substation are shown.

In this example we are showing the bays of a substation, with the name of ANAKAPELLE D2, for which the abbreviation was used ANKD2, to identify all bays.
In this case we have the following types of bays, with their templates used in the table: Feeder, BusLow, Trafo, and SS_Data (general substation data).
In the column Category, are indicated the bays that are of the kind Feeders, that will be the targets of the DEC and FEC calculation routines (for feeders).
In the column Comment, with a view to the use of Deploy Extension, which assists in the creation of points tables (for data acquisition), there is information on the NODES to be used.
And here shows definition of bays for feeders.

TOPG is the template for defining the substation topology. Together with the measurements (MEA) and status (STA) circuit breakers will be used by the calculation methods of the Unifilares Energizing Display feature to define power supply interruptions.
The SDFS template, is used to save the daily calculated indicators of DEC and FEC for each feeder, so as to have the history of these calculations over months and years.
The calculation is separated by the reason for the interruption: Planned, not planned, or occurred not in the feeders, but in upstream supplying bays. No tension on the bar before the feeder= NO_VOLT.

For each of these reasons, the indicators are calculated:

ASSETS Table (Levels)

Levels should be created in such a way that the geographical hierarchy necessary for the calculation of DEC and FEC should be defined by consumer areas such as

State

Division

City

Substation

Feeder

Therefore, all feeders will be located in some substation and these in some subdivision and region.

Categories Table

To be able to access the bays through collections, when necessary, it is also recommended, the definition of the types of bays through Categories. For example, for the calculation of DEF and FEC only the Feeders.
The bays will then be assigned the Categories, categories.

Alarm Items Table

To better understand how the detection of de-energization occurrences works, refer to the manual
ActionNet - NT - Show Energizing functionality in Unifilares or
ActionNet - EN-NT - Energization Display in OneWire Diagrams .
For the detection of circuit breaker openings in feeders, alarms should be set in the Alarm Items table, both for circuit breakers and for BAYSTATE members of the TOPG template.
For the calculation of the DEC and FEC, will be used not the alarms of circuit breakers, but the alarms of the BAYSTATE member, defined in the TOPG template (topology) which should be one of the members of the feeder template.
This tag is calculated through the topology and indicates whether the bay is energized or not, regardless of the state of the nearby circuit breakers, but rather the connections in the topology. The figure shows this definition of alarms.

When the BAYSTATE goes to zero (not energized) an alarm message is created. When you return to the energized state, you return to value 1, the normalization message is created. In this message the field appears Duration, with the total time it was de-energized. This will be the time used for calculating DEC. The amount of these occurrences will be used to calculate the FEC.
See example in the list of events.

See below the de-energization shown in the unifilar diagram.

Two other important alarms, for the definition of the reason for the interruption are:
OC_EF - Indication of occurrence of trip (protective action)
NO VOLT - Indication of occurrence of NO_VOLT (lack of tension in the bay without having occurred protection).

Template SAIDI_SAIFI

The feature uses a specific template for controlling reports and name tables that SAIDI_SAIFI, which the project will need.
The figure shows this template.

The PARAMS sub template is used to save constants used by DEC-FEC calculation methods, which can be changed from one project to another.