IEEE Electrification - September 2020 - 77
like energy supplier and balancing responsible party, or
can request the IM to purchase the electricity for them.
In some countries, the railway sector has its own balancing area with production connected to it. Balancing
has also to be guaranteed in the electrical railway grid.
This is typical for some railway electrified under 16.7 Hz.
Energy use settlement is then able to export the consumptions to the relevant actors in the national energy
market (for example, balancing responsible parties, energy suppliers, and TSOs), taking into account the requirements and requested protocols for that local market.
Energy consumption (also called a commodity) will be
EventMessageType
Header
EMS
DCS
EventMessage
Payload
EventMessage (verb = changed, payload)
EventMessage (verb = changed, payload)
EventMessage (verb = changed, payload)
Figure 7. An automatic transfer of data from the EMS to DCS7, as based on Figures 16 and 19 of EN 50463-4:2017.
RequestMessageType
Header
Request
RequestMessage
Payload
EMS
DCS
RequestMessage(verb = (get, change), MessageID = Y))
Processing()
ResponseMessage(verb = reply, reply = (OK, FAILED), MessageID = X, CorrelationID = Y, payload)
ResponseMessageType
Header
ResponseMessage
Reply
Payload
Figure 8. Requesting data from the DCS to the EMS, as based on Figures 15, 17, and 18 of EN 50463-4:2017.
IEEE Elec trific ation Magazine / S EP T EM BE R 2 0 2 0
77
IEEE Electrification - September 2020
Table of Contents for the Digital Edition of IEEE Electrification - September 2020
Contents
IEEE Electrification - September 2020 - Cover1
IEEE Electrification - September 2020 - Cover2
IEEE Electrification - September 2020 - Contents
IEEE Electrification - September 2020 - 2
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IEEE Electrification - September 2020 - Cover3
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