Chapter 1.
GENERAL REGULATION
Article 1. Scope
This Circular defines the responsibility, order and procedures for investment and management of operation of power metering system; gathering and processing of power metering data; order and procedures for delivery of power; technical requirements for equipment of metering, collecting, storing and processing of power metering data in service of sale and purchase of electricity in the competitive generation market.
Article 2. Subjects of application
This Circular applies to the generating organization and other organizations providing services related to the power metering in the competitive generation market:
1. Generating organizations involved in the competitive generation market and generation organizations owning BOT power plant.
2. Electricity system and market operating organization.
3. Electricity trading company
4. Organizations owning and operating power transmission grid.
5. Organizations owning and operating power distribution grid.
6. Organizations providing services related to the power metering, including:
a) Experimenting and testing organization;
b) Metering data managing organization;
c) Metering data auditing organization
Article 3. Explanation of terms
In this Circular, the terms below are construed as follows:
1. Current transformer (CT) is a device that transforms the electrical current, expanding the scope of current and power measurement for the metering system.
2. Voltage transformer (VT) is a device transforming the voltage and expanding the scope of voltage and power measurement for the metering system.
3. Voltage switch is a switchgear, logic circuit or relay with function of voltage selection.
4. Billing cycle is the time of electricity payment between electricity seller and buyer specified in the Regulation on electricity market.
5. Meter is a power metering device for integral of capacity over time, storing and display of metered power value.
6. Power trading company is the only organization having function to buy wholesale of electricity in the electricity market and sell wholesale to electricity companies.
7. Connection point is the point connecting the equipment, power grid and power plant of the generating organization to the power transmission grid or power distribution grid.
8. Metering data auditing organization is an organization providing the auditing services of process of gathering and processing of metered data of the metering data managing organization.
9. Generating organization is an organization owning and managing one or a lot of power plants involved in the electricity market or one or a lot of BOT power plants.
10. Power grid managing organization is the organization owning and operating the power transmission grid or power distribution grid.
11. Metering data managing organization is an organization providing, installing, managing the operation of system of gathering, processing and storing of power metering data for electricity market.
12. Metering system operation managing organization is an organization directly managing the metering system under its management. This organization may be the power plant or organization managing power grid.
13. Experimenting and testing organization is an organization having function of experiment, testing and calibration of metering equipment and system and setup of program and password for the meter.
14. Electricity system and market operating organization is an organization monitoring and controlling the process of generation, transmission and distribution in the national power system, managing and coordinating the trading of electricity and ancillary services in the electricity market.
15. Circuit connector is the device on which the positions are used to connect the metering circuit.
16. Metering system is a system including the metering equipment and circuit which are integrated to meter and determine the amount of power transmitted through a metering point.
17. System of gathering, processing and storing of metered data is a combination of hardware equipment and transmission of information and software programs that perform the function of gathering, transmission, processing and storing of power metering data for sales and billing in the electricity market.
18. Junction box is the connection position of meter, current transformer, transformer with lid to ensure the lead seal.
19. Metering circuit is an electric circuit system linking the metering equipment for power metering.
20. Password of “Setup” is the password permitting the access to meter to install and change of parameters and working program of meter.
22. Password of “Only read” is the password permitting the access to meter to read data but not permitting the change of setup parameter and working program of meter.
22. Password of "Time synchronization" is the password permitting the access to the meter to read data and synchronize the time of the meter. This password does not permit the setup, change the parameters and the working program of the meter.
23. BOT power plant is a power plant which is invested in the form of Building – Operation - Transfer
24. Managing the operation of power metering system and data gathering and processing is the installation, testing, programming, setup, security, acceptance, operation, breakdown handling, replacement and removal of metering system, gathering and processing of power metering data.
25. Regulation on electricity market is the regulation on electricity market operation in the competitive generation market.
26. Metering data is the power output metered by meter, calculated power production or power production based on the estimation of metered data for billing in the electricity market.
27. Participants of electricity market are organizations participating in the competitive generation market specified in the Regulation on electricity market.
28. Electricity market is the competitive generation market which is formed and established under the provisions in Article 18 of the Electricity Law;
29. Metering equipment includes meter, current transformer, voltage transformer and other auxiliary devices for power metering.
30. Metering information is information about devices, metering system and metering point including features, technical parameters and information related to the management and operation.
31. IEC standard is the electrical technical standard issued by the International Electrotechnical Commission.
32. Official website of electricity market is the official website of the competitive generation market.
33. Metering point is the physical position on the primary circuit where the traded power is metered and determined.
Tìm kiếm
Thông tư 27/2009/TT-BCT quy định đo đếm điện năng trong thị trường phát điện cạnh tranh do Bộ Công thương ban hành (Bản Word)