| point of connection at which the EES system charges electrical energy from the electric power system, in order to store it internally and subsequently discharge it to the electric power system
Note 1 to entry: Generally, the primary POC is connected with the EES system primary subsystem through the primary connection terminal. Note 2 to entry: In the absence of an auxiliary POC, the primary POC can be referred to simply as the "POC".
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Figure 2 – EES system architecture with one point of connection type
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Figure 3 – EES system architecture with two point of connection types
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