Active Power
European Union Electricity Market Glossary

 


 

 

Active Power - is the real component of the apparent power at fundamental frequency, expressed in watts or multiples thereof such as kilowatts (kW) or megawatts (MW) - Article 2(20) of the Network Code on requirements for grid connection of generators (NC RfG).

  

Active Power Reserve means the Active Power which is available for maintaining the frequency.

 

According to the Network Code on System Operation each Transmission System Operator (TSO) is required to communicate the available level of active power reserves to other TSOs upon request. 

 

 

Network Code on System Operation

 

Title 5 


Ancillary services 



Article 108 
Ancillary services 



1. Each TSO shall monitor the availability of ancillary services.

2. With regard to active power and reactive power services, and in coordination with other TSOs where appropriate, each TSO shall:


(a)  design, set up and manage the procurement of ancillary services; 



(b)  monitor, on the basis of data provided pursuant to Title 2 of Part II, whether the level and location of available ancillary services allows ensuring operational security; and 



(c)  use all available economically efficient and feasible means to procure the necessary level of ancillary services. 



3. Each TSO shall publish the levels of reserve capacity necessary to maintain operational security. 



4. Each TSO shall communicate the available level of active power reserves to other TSOs upon request. 



Article 109


Reactive power ancillary services 



1. For each operational planning timeframe, each TSO shall assess, against their forecasts, whether its available reactive power ancillary services are sufficient to maintain the operational security of the transmission system. 



2. In order to increase the efficiency of operation of its transmission system elements, each TSO shall monitor:


(a)  the available reactive power capacities of power generating facilities; 



(b)  the available reactive power capacities of transmission-connected demand facilities; 



(c)  the available reactive power capacities of DSOs; 



(d)  the available transmission-connected equipment dedicated to providing reactive power; and 



(e)  the ratios of active power and reactive power at the interface between transmission systems and transmission-connected distribution systems. 



3. Where the level of reactive power ancillary services is not sufficient for maintaining operational security, each TSO shall:


(a)  inform neighbouring TSOs; and 



(b)  prepare and activate remedial actions pursuant to Article 23. 


 

 

 

 

 

IMG 0744

    Documentation    

 

 

 

 

Network Code on requirements for grid connection of generators (NC RfG), Article 2(20)

 

Network Code on System Operation, Article 108, 109

 

 

 

 

 

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Reactive Power

 

Ancillary services

 

 

 

 

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Last Updated on Thursday, 21 September 2017 18:53
 

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