Constant Net Interchange (CNI) mode has been adopted in AGC system of Hunan Power pool. Controlled capacity of generators units has been reached 20% of maximum of demand of Hunan pool.

湖南电网采用了恒定联络线净交换功率的控制模式，可控机组容量达到最大负荷的20%。

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The payment network charges the bank a very small transaction fee for using the network, but net they are essentially letting the bank make the most from the interchange fee, hence the banks are on the subsidy side.

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