Frequency controlled disturbance reserve Sample Clauses

Frequency controlled disturbance reserve. There shall be a frequency controlled disturbance reserve of such a volume and composition that a dimensioning fault does not cause a frequency below 49.5 Hz in the synchronous system. With regard to the frequency-dependence of consumption, the above requirement entails that the total frequency controlled disturbance reserve shall rise to a power which is equal to the dimensioning fault deducted by 200 MW. It must be able to utilise the frequency controlled disturbance reserve until the fast active disturbance reserve is activated. The activation of the frequency controlled disturbance reserve shall not result in other problems in the power system. When the transmission capacity is being determined, the location of the frequency controlled disturbance reserve shall be taken into account. Each subsystem shall have at least 2/3 of the frequency controlled disturbance reserve in its own system for potential splitting up and island operation.
Sample 1
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Frequency controlled disturbance reserve. The frequency controlled disturbance reserve is activated automatically at 49.9 Hz and fully activated at 49.5 Hz. At least 50 % shall be regulated out within 5 s and 100 % within 30 s. Joint requirement for the interconnected Nordic power system is approx 1,200 MW, depending on the relevant dimensioning fault. The service is closely linked to frequency controlled normal operation reserve, and the principle of exchange is the same. TSO Generation of system service Exchange between subsystems Energinet. dk East Disconnection of district heating. Turbine opening at thermal power plants. Droop control from thermal power plants. HVDC interventions. Yes
Sample 1
Frequency controlled disturbance reserve. If, in addition to this, Fingrid requests Reserve Holder to maintain more reserves, and, as a result of this, Reserve Holder has to change the target power of the reserve units, a transaction corresponding to the change of the target power shall be agreed at the price of regulating power.
Sample 1
Frequency controlled disturbance reserve. The reserve unit used in the maintenance of the frequency controlled disturbance reserve shall regulate almost linearly so that the activation begins when the frequency decreases below 49.90 Hz, and the full reserve shall be activated at a frequency of
Sample 1
Frequency controlled disturbance reserve. The frequency controlled disturbance reserve is the smaller of the following active powers: that which is activated at a stepped frequency deviation of -0.50 Hz in 30 seconds or that which is activated in five seconds multiplied by two. With relay-connected loads that follow the activation method of Table 1, the frequency controlled disturbance reserve is that change in active power which is activated within the required time at the selected disconnection step in accordance with Table 1.
Sample 1

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