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Electricity Distribution Code
The distribution companies (ADDC and AADC) are obliged under Condition 3 of their licences to maintain a Distribution Code, detailing technical parameters and other requirements relating to the connection and the use of their distribution systems.
ADDC and AADC currently operate the same version of the Code which is kept under review by the Distribution Code Review Panel. The Panel meets bi-monthly and is represented by relevant companies in the electricity sector, including generation companies, as well as the Bureau.
All modifications to the Code have to be approved by Bureau in accordance with Article (55) (8) of Law No (2) of 1998, as amended. A new version of the Code was issued in December 2005, which incorporated changes to the definition of ‘high demand’ and ‘low demand’ customers/users and the associated requirements. Some changes were also made to requirements on the provision of information by users.
The Distribution Code contains the following main sections:
Distribution Glossary and Definitions
Distribution General Conditions
Distribution Planning and Connection Code
Distribution Operating Code
Distribution Data Registration Code
Annex 1 (Engineering Recommendations), which forms part of the Distribution Code, gives detailed technical parameters to be adopted for the Emirate of Abu Dhabi:
ER No.1 Limits for Harmonics
ER No.3 Connection of Embedded Generation Plant up to 5 MW
ER No.4 Security of Supply Standard
ER No.7 Limits for Voltage Fluctuation
ER No.10 Limits for Voltage Unbalance
The Electricity Transmission Code
Electricity Transmission Code Version 1_Revision 4 -Jan 12
Abu Dhabi Transmission and Dispatch Company (TRANSCO) is obliged under Condition 3 of its licence to maintain an Electricity Transmission Code which specifies operating procedures and technical parameters governing TRANSCO’s relationship with all users of the transmission system. The code is maintained by the Transmission Code Review Panel which meets approximately bi-monthly.
All modifications to the Code have to be approved by Bureau as stated under Article (55) (8) of Law No (2) of 1998, as amended. The last revision to the Transmission Code was issued in January 2012 (version 1 revision 4).
The Electricity Transmission Code contains the following main sections:
Glossary and definitions
Operating Code A
Operating Code B
Scheduling and Despatch Code
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