Analysis of the Impact of Autonomous Hybrid Power Plants on the Railways Capacity

Author(s):  
Sergey V. Mitrofanov ◽  
Denis V. Armeev ◽  
Eugenie A. Domahin
Keyword(s):  
Author(s):  
Толмачев ◽  
P. Tolmachev ◽  
Попов ◽  
I. Popov ◽  
Хмелев ◽  
...  

The article is devoted to the analysis of operation vehicles with hybrid power plants in electric drive train mode. The main advantages of hybrid vehicles were considered when driving using the electric motor. The experiments were conducted on the stand GNFA HE-3020 which is simulating the operation of a hybrid vehicle the Peugeot 3008 Hybrid4. The impact of road conditions on the power reserve and the recuperation of energy were analyzed. Based on results, the graphs were constructed and regression equations were made.


Energies ◽  
2019 ◽  
Vol 13 (1) ◽  
pp. 49 ◽  
Author(s):  
Lennart Petersen ◽  
Florin Iov ◽  
German Tarnowski

This paper proposes detailed and practical guidance on applying model-based design (MBD) for voltage and frequency stability assessments, control tuning and verification of off-grid hybrid power plants (HPPs) comprising both grid-forming and grid-feeding inverter units and synchronous generation. First, the requirement specifications are defined by means of system, functional and model requirements. Secondly, a modular approach for state-space modelling of the distributed energy resources (DERs) is presented. Flexible merging of subsystems by properly defining input and output vectors is highlighted to describe the dynamics of the HPP during various operating states. Eigenvalue (EV) and participation factor (PF) analyses demonstrate the necessity of assessing small-signal stability over a wide range of operational scenarios. A sensitivity analysis shows the impact of relevant system parameters on critical EVs and enables one to finally design and tune the central HPP controller (HPPC). The rapid control prototyping and control verification stages are accomplished by means of discrete-time domain models being used in both off-line simulation studies and real-time hardware-in-the-loop (RT-HIL) testing. The outcome of this paper is targeted at off-grid HPP operators seeking to achieve a proof-of-concept on stable voltage and frequency regulation. Nonetheless, the overall methodology is applicable to on-grid HPPs, too.


Author(s):  
Hocine Guentri ◽  
Mokhtar Benasla ◽  
Kabira Ezaeri

To achieve its renewable energy targets, Algeria has launched several projects, such as the Hassi Rmel solar thermal-gas hybrid power plant, the Taberkine wind farm in Adrar, and several small photovoltaic power plants. Besides, others planned including, the Naama PV plant. In this study, the impact of the expected photovoltaic power plant at the province of Naama on the southwestern network of Algeria. The obtained results indicate that the installation of this plant would have a positive impact on the system by reducing the losses active and improving the voltage profile.


2019 ◽  
Vol 8 (4) ◽  
pp. 9449-9456

This paper proposes the reliability index of wind-solar hybrid power plants using the expected energy not supplied method. The location of this research is wind-solar hybrid power plants Pantai Baru, Bantul, Special Region of Yogyakarta, Indonesia. The method to determine the reliability of the power plant is the expected energy not supplied (EENS) method. This analysis used hybrid plant operational data in 2018. The results of the analysis have been done on the Pantai Baru hybrid power plant about reliability for electric power systems with EENS. The results of this study can be concluded that based on the load duration curve, loads have a load more than the operating kW of the system that is 99 kW. In contrast, the total power contained in the Pantai Baru hybrid power plant is 90 kW. This fact makes the system forced to release the load. The reliability index of the power system in the initial conditions, it produces an EENS value in 2018, resulting in a total value of 2,512% or 449 kW. The EENS value still does not meet the standards set by the National Electricity Market (NEM), which is <0.002% per year. Based on this data, it can be said that the reliability of the New Coast hybrid power generation system in 2018 is in the unreliable category.


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