Page 25 - IGMC-2017
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II. Electrical Energy Metering
Metering the accurate value of energy exchange is one of the vital issues in power system
operation and planning, and also power market billing. The main responsibility of the electrical
energy metering bureau is planning, managing and supervising the operation of the energy
metering systems in Iran power system. The main components of energy metering system can
be classified as follows.
• Energy measuring equipment:
The digital energy measuring equipment which are classified as grid type meters with 0.2%
accuracy class are provided, installed and operated with the aim of equipping different energy
exchange points of the national grid such as power plants, cross-border electrical energy
import/export, and electrical energy consumption. A typical overview of metering points in
Iran national grid is shown in figure 13.
~G
StationSatartySieornvaircye
Service
Exchange with
To Industrial EREleelgeccitotrrniicacilty
Costumers Companies
Stationary
Service
Stationary
Service
Transmission
Line
To Distribution Systems
Figure 13. Typical overview of Iran national grid metering points
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IRAN GRID MANAGEMENT Co.