Wavelet-based power management for hybrid energy storage system

Masih‐Tehrani, Masoud; Yazdi, Mohammad Reza Hairi; Esfahanian, Vahid; Dahmardeh, Masoud; Nehzati, Hassan

doi:10.1007/s40565-019-0529-2

Cited by 43 publications

(13 citation statements)

References 47 publications

(65 reference statements)

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“…Furthermore, the payback period is nine months 27 days besides that reduction of fuel consumption is 28.61%. It is highly recommended for those who want to study in this context as long as they use a sophisticated controller (such as developed in Esfandyari et al, 2019;Masih-Tehrani et al, 2019) to control the flywheel and engine simultaneously, in order to get the engine (Salavati-Zadeh et al, 2016;Ghavami et al, 2018) working conditions at optimal points in all the time of cycle travel. Another suggestion is that the combination flywheel hybrid with other available hybrids such as supercapacitor and battery (Masih-Tehrani and Dahmardeh, 2018;Rahimirad et al, 2019) to improve storage performance, in order to use it for working in extra time.…”

Section: Discussionmentioning

confidence: 99%

Design and energy optimisation of a hybrid flywheel bus rapid transit

Ghajarloo

Masih‐Tehrani

Kheybari

2020

IJHM

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A hybrid flywheel powertrain system for a bus rapid transit (BRT) is designed in this paper, using a technical-economic study. The modern high-speed flywheel, which is used in the modern heavy vehicle hybrid powertrain, has high efficiency, low weight, and low initial cost. In contrary to the other powertrain hybridisation options, the energy conversion does not need using the flywheel energy storage system. Therefore, the power charge and discharge process are high-speed and efficient. The economic study is defined based on component price and fuel consumption cost. The model of the conventional and the hybrid bus is generated in AVL CRUISE software. Results show that the hybrid flywheel bus has better efficiency in BRT driving cycle in comparison with the normal Tehran City bus driving cycle. The optimal flywheel capacity is 1.4 MJ to use in Tehran BRT, which has ten months payback period. The reduction in fuel consumption is 28.61%.

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Section: Discussionmentioning

confidence: 99%

Design and energy optimisation of a hybrid flywheel bus rapid transit

Ghajarloo

Masih‐Tehrani

Kheybari

2020

IJHM

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“…Based on an average cost of €20/Wh [42], the ultracapacitor bank has as cost €940. The required power of the DC-DC converter was estimated to be 0.9 pu, i.e., 5.4 kW with a cost of €540 (a unit cost of €100/kW, [43], is assumed for DC/DC converters which is approximately half of the unit cost of DC/AC converters as presented below in Section 3.5.3 and Figure 7). Thus, the total cost of the power smoothing system is €1480 which is comparable to the cost of the PVPP (~€5000).…”

Section: Costs and Benefitsmentioning

confidence: 99%

“…Therefore, the ultracapacitor cost is 1.1-1.4 €/kW of DRES rated power. The cost of a bidirectional DC/DC converter is of the order of 100 €/kW [43], therefore the converter cost is 50 €/kW of DRES power. Roughly, the total cost is of the order of 51-52 €/kW of DRES power, which is very small compared to the cost of converter interfaced DRES;~800 €/kW for PV systems and~1200 €/kW for wind systems, [63].…”

Section: Costs and Benefitsmentioning

confidence: 99%

Ancillary Services Offered by Distributed Renewable Energy Sources at the Distribution Grid Level: An Attempt at Proper Definition and Quantification

et al. 2020

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The gradual displacement of synchronous generators driven by conventional power plants, due to the increasing penetration of distributed renewable energy sources (DRES) in distribution grids, is creating a shortage of crucial ancillary services (AS) which are vital for the frequency and voltage stability of the grid. These AS, and some new ones, could now be offered by the DRES, particularly those that are converter interfaced, in a coordinated way in order to preserve the grid stability and resilience. Although recent standards and grid codes specify that the DRES exhibit some system support functions, there are no specifications on how to measure and quantify (M & Q) them both at DRES level and in aggregated form. The M & Q of AS is crucial, since it would allow the AS to be treated as tradable AS in the current and future AS markets. This paper attempts to define a number of AS that can be offered by converter-interfaced DRES and suggests methods for their M & Q. The new AS addressed are: (1) inertial response; (2) primary frequency response; (3) active power smoothing (ramp-rate limitation); (4) exchange of reactive power for voltage regulation; (5) fault-ride-through (FRT) and contribution to fault clearing; (6) voltage harmonic mitigation. Additionally, a rough estimation of the additional investment and operational cost, as well as the financial benefits associated with each AS is provided in order to form the basis for the development of business models around each AS in the near future.

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“…Inv BC are 15000 $/kW, 50 $/kWh [36] and 600 $/kWh [37], respectively. The cost of HESS, which consists of an LAB/LIB stack, an SC, two converters and an inverter, can be calculated using 7…”

Section: Bc Andmentioning

confidence: 99%

A Life Cycle-Cost Analysis of Li-ion and Lead-Acid BESSs and Their Actively Hybridized ESSs With Supercapacitors for Islanded Microgrid Applications

et al. 2020

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The combination of supercapacitors (SCs) with Li-ion Batteries (LIBs) and Lead-Acid Batteries (LABs) as hybrid ESSs (HESSs) have widely been proposed for Microgrid (MG) applications. The SCs of HESSs eliminate the stress of surge currents on LIBs and LABs, which increases their life cycles, and decreases their life cycle costs and hence decreases the HESSs operational costs. However, the active topology of HESS, which is the most commonly used configuration, requires an extra SC and an extra DC/DC converter in comparison to the Battery Energy Storage (BESS) topology, which increases the HESS capital cost. This paper tries to investigate that the hybridization of LABs and LIBs with SCs is economically effective or not for applications in islanded MG. In this regard, an energy management and frequency control (EMFC) scheme is proposed for the operation of MG in islanded mode. Using the simulations of the proposed EMFC scheme for islanded MG, the size of main components of LIB ESS (LIBESS), LAB ESS (LABESS), LIB-SC HESS (LISHESS) and LAB-SC HESS (LASHESS) are calculated. The numerical results show that for a 10-year period operation in islanded MG, the LISHESS and LASHESS impose less cost than LIBESS and LABESS. Also, the LISHESS is cheaper (almost 11%) than LASHESS.

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Wavelet-based power management for hybrid energy storage system

Cited by 43 publications

References 47 publications

Design and energy optimisation of a hybrid flywheel bus rapid transit

Design and energy optimisation of a hybrid flywheel bus rapid transit

Ancillary Services Offered by Distributed Renewable Energy Sources at the Distribution Grid Level: An Attempt at Proper Definition and Quantification

A Life Cycle-Cost Analysis of Li-ion and Lead-Acid BESSs and Their Actively Hybridized ESSs With Supercapacitors for Islanded Microgrid Applications

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