Ancillary Services Market Design in Distribution Networks: Review and Identification of Barriers
, Kyriaki-Nefeli Malamaki 1, Konstantinos Gallos 2, Achilleas Tsitsimelis 2, Christos Dikaiakos 2, Spyros Gkavanoudis 1, Milos Cvetkovic 3, Juan Manuel Mauricio 4, Jose Maria Maza Ortega 4, Jose Luis Martinez Ramos 4, George Papaioannou 2 and Charis Demoulias 1Round 1
Reviewer 1 Report
This paper reviews the existing ancillary services in transmission systems with their respective market and proposes new services at distribution grid level. The topic of the paper is very interesting, while the contents are well organised. To improve the quality of the paper and publish it in the journal, the following recommendations are recommended to be addressed:
The contribution of the paper should be emphasised in the Introduction section – this is a key point. For this purpose, other works and reviews related to the topic should be discussed in order to highlight the novelty of the proposed paper. There is a typo in line 193: Appendix A is repeated two times The inclusion of additional figures in the paper could help the understanding of the reader. This is of particular importance in Section 3, where figures can help reader understanding the emerging ancillary services described. In section 3.1.3: Is appropriated the use of “frequency response” term? Should it be frequency regulation? Discussion in this section should be enhanced. Frequency response and tertiary control are addressed but the description is not clear. In section 5.1, first paragraph, coordination level between TSO and DSO is considered as poor. More details of the reasons as well as recommendations to solve the limitations should be included in the discussion.Author Response
Please see the attachment.
Author Response File: 
Author Response.docx
Reviewer 2 Report
Dear authors,
The review contains too many big mistakes and cannot be accepted. The paper is too long and deals with too many incompatible subjects.
Some examples of mistake :
- lines 18-20 : this sentence is poorly said, you are saying SGs provide AS although the inertial response is natural and the local voltage control is necessary.
- line 20 : you said AS is not remunerated, it is complicated to say that. For example, the connection cost is lower if the DG control its voltage.
- lines 37-38 : the transmission system does not include MV and LV.
- lines 38-39 : you are saying the voltage is controlled by bulk generators. And what is auto transformers, On load tap changers, capacitors banks... ?
- lines 39-40 : "this structure is becoming outdated" completely false
- lines 41-42 : "DRES are connected within the transmission and distribution system" : in the transmission system, it is extremely rare and do not follow the same rules.
- line 130 : "inductive nature of transmission lines", you don't recall the capacitive nature of underground cables.
Author Response
Please see the attachment.
Author Response File: Author Response.docx
Reviewer 3 Report
- This paper presents a comprehensive review and has also valuable conclusions and suggestions
Author Response
Please see the attachment.
Author Response File: Author Response.docx
Round 2
Reviewer 1 Report
Thank
Reviewer 2 Report
I would thank authors for the accurate answers.
