The FeederDevice form the feed-in points or transfer points from the power production or generally as feed-in points into the grid. This makes it possible to collect the transfer at any point. This also makes it possible that third-party equipment does not have to be included as a component from the grid (e.g. transformer, small power plants, photovoltaics, etc.). Since these elements feed into the network, they are a subnetwork controller (safety-related).
The FeederDevice can also be considered as a virtual device, which is not under the control of the recipient.
In electricity, subnetworks are formed using two parameters:
1.Netlevel with the same operating voltage and galvanically connected
2.Circuit, galvanically connected and protected by a common switching element (circuit breaker, exit bar)
![KundenFragen](./images/kundenfragen.png)
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This determines (also depending on the type of network documentation) which of the potentially possible Devices are actually Subnet controllers.
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Feed-in (extra high voltage)
Transfer point from power plant or grid operator
Component in a facility with assignment to the facility (transfer point / feed-in from the higher-level network operator)
terminal/Connection point side (Low) for network level 1
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Feed-in (high voltage)
Transfer point from the higher-level network operator
Component in a facility with assignment to the facility (transfer point / feed-in from the higher-level network operator)
terminal/Connection point side (Low) for network level 2
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Feed-in (medium voltage)
Wind power
Hydroelectric power
Combined heat and power plant
Photovoltaics
Biogas
Steam turbine
Fossil
Component with assignment to facility and/or connection
terminal/Connection point side (Low) for network level 4
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Feed-in (low voltage)
Wind power
Hydroelectric power
CHP
Photovoltaics
Component with assignment to facility and/or connection
terminal/Connection point side (Low) for network level 6
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Feed-in (lighting)
Forms the transfer switch from low voltage to lighting. For this reason, this object for lighting becomes the Subnet controller (network limiter). Used in stations and distribution boxes. The feed-in forms the source for the lighting network, analogous to a transformer. For the following circuit the LightingFeederPanel is used.
Full terminal/connection point in network level 7
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