Activating the Fast Frequency Reserve Sample Clauses

Activating the Fast Frequency Reserve. The Fast Frequency Reserve is activated as up-regulation by increasing the delivery of power to the grid or by reducing the consumption of power. When the frequency reaches the threshold, the reserve capacity shall be activated in full within the required activation time. The Fast Frequency Reserve has three alternative combinations of activation frequency and activation time, of which the Balancing Service Provider selects one. The options are presented in Table 3.1. Table 3.1 Activation frequency and activation time of the Fast Frequency Reserve Activation frequency (Hz) Activation time (sec) ≤ 49.70 ≤ 1.30 ≤ 49.60 ≤ 1.00 ≤ 49.50 ≤ 0.70 For example, the option ≤ 49.60 Hz and ≤ 1.00 sec means that the reserve must be fully activated in a maximum of one second, if the power system frequency is 49.60 Hz or below. The activation of the reserve can be for example a step or a ramp. During activation, the activated power of the Reserve Unit must not go below the power value at the start of the activation. There are two options for the minimum support duration (duration of the full activation) of the Fast Frequency Reserve, depending on the speed of the deactivation of the Reserve Unit. Deactivation means restoring the power of the Reserve Unit back to a state where the reserve capacity is not activated. The options are described in Table 3.2. The reserve must remain activated for the minimum duration regardless of the frequency. After the minimum duration, deactivation is permissible regardless of the frequency.
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Related to Activating the Fast Frequency Reserve

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