IEEE Power & Energy Magazine - May/June 2014 - 106

Distribution network operation should be conducted in
such a way that planned targets for asset management
are realized in the short term.
project cost calculations. The execution processes are shown
in figure 6. as one can see, data can be entered by software
or manually by customers or other organizational authorifigure 5 summarizes all of these processes. executing the ties. The data collection process, database construction, and
processes, each of which requires unique operator missions data analysis are the most important part of the operation
and network maintenance, involves conducting many differ- activities, plan necessity evaluation, economic estimation,
ent activities. capacity installation and network development and investment optimization. figure 6 not only displays the
activities, including the construction of lines, substations, method of conducting such activities but can also be considmaneuver points, and lateral equipment and the specification ered as the proper headstock for the flow of money, energy,
of new technologies and investment amounts, are also a part and data. This process can be called the comprehensive plan
of asset management implementation. Using it gives rise
of the execution of asset management processes.
each process will now be considered based on its cor- to optimal economic plans. The other important feature of
this framework is its comprehensiveness and the fact that it
responding distribution mission.
includes all distribution system issues.
as can be seen in figure 6, the comprehensive plan of
Maintenance and Development of the
distribution
system processes includes an operation layer that
Distribution Network (Mid- and Long-Term
is
different
from
one asset management process to another.
Asset Management)
The
general
structure
of each process in the operation level
here, data are considered as part of the managerial structure, and cost is analyzed and calculated with respect to includes data management, expert inspection and review, and
network maintenance. The common part of all asset management
processes following the operaDG
External Database
tion level consists of plan provision, economic evaluation and
budget proving, and utilization of
Outage
the marketing section. all asset
Internal Database
Lighting
management processes shown in
figure 6 are executive, and the
Price
Load
remaining asset management processes are mostly considered as
Schedule
Lighting
activity constraints. To optimize
the execution of the asset managePower
Energy
ment processes shown in figure 6,
Quality
Dispatching Database
MeasureNetwork
ment
a separate indicator is designed
Operation
for each one. The indicators of
Lifetime
Topology
each process are divided into four
groups: operational indicators,
Fault
Protection Reactive
process indicators, social indicaDevice
tors, and economic indicators.
PM
operational indicators are mostly
Market
the service provider indicators.
process indicators are considered
as asset manager indicators. social
GIS
indicators, known as customer
satisfaction indicators, are determined by regulators so that distribution companies do not focus
figure 9. Asset-based dispatching data flow.
✔ development management
✔ public lighting management
✔ demand-side management.

106

ieee power & energy magazine

may/june 2014

Table of Contents for the Digital Edition of IEEE Power & Energy Magazine - May/June 2014