4 FAQs about 25kW Configuration Scheme for Transmission Node User Cabinet

What are the requirements of the transmission network framework?

The requirements of this framework apply to all new transmission network developments, any additions/reconfigurations and new connections to it including connections to DNA and IUSA, as these are to be treated as part of the transmission network in accordance with National Electricity Rules. This framework is not applied retrospectively.

Does Eskom need a largely autonomous substation protection system?

One such requirement is based on Eskom's technology strategy for substation protection and control equipment for the Transmission and Distribution “wires” business that requires the splitting of protection schemes into largely autonomous modules per “main”. Modules for Main 1 and Main 2 shall offer fully redundant functionality.

Can I connect a 275 kV transmission network to ElectraNet?

'Tee' connections to the 275 kV transmission network can cause or can potentially cause adverse impacts upon the safe, secure and reliable operation of the power system. 'Tee' connections to the 275 kV transmission network will not be permitted by ElectraNet.

Does Powerlink provide functional specifications for DCA substations?

Under the National Electricity Rules, Powerlink as the primary TNSP in Queensland has no obligation to provide functional specifications for DCA substations. It is a requirement that each customer with a DCA connection to the transmission network has determined desired levels of reliability and availability.

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