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Internal system losses of renewable energy sources and their influence on the economic efficiency of the provision of reactive power | IEEE Conference Publication | IEEE Xplore

Internal system losses of renewable energy sources and their influence on the economic efficiency of the provision of reactive power


Abstract:

Due to the energy transition, the number and installed capacity of decentralised renewable energy sources (RES) is increasing massively. The resulting flexibility potenti...Show More

Abstract:

Due to the energy transition, the number and installed capacity of decentralised renewable energy sources (RES) is increasing massively. The resulting flexibility potentials for the provision of reactive power on the distribution grid could be used beyond local voltage control to cover the transmission grid’s reactive power demand. Assuming a coordinated voltage control of the transmission and distribution grid operator in future, the provision of reactive power from RES is consequently opposed to the cost-intensive supplementary installation of compensation systems. For the cost-based evaluation of the reactive power provision from RES, the system-internal losses must be taken into account in particular, as they could reason an increase in the operating costs. This paper presents a quasi-stationary modelling based on four- and two-poles, which enables a calculation of the power flows and the system-internal losses of RES. The exemplary investigations indicate a partial decoupling of the losses from the active power and system losses of up to 5 percent exclusively caused by the provision of reactive power. Consequently, the resulting operating costs should be considered when developing adapted methods for the economically efficient acquisition of reactive power.
Date of Conference: 21-24 November 2023
Date Added to IEEE Xplore: 29 December 2023
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Conference Location: Auckland, New Zealand

References

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