IEEE Electrification Magazine - December 2019 - 92
TABLE 2. The specifications of components.
Equipment
Specifications
Big engine (Perkins 2506CE15TAG1)
400 kVA, 900-1,800 r/min
Small engine (Perkins 1306C) 230 kVA, 900-1,800 r/min
Engine controller (governor)
CAT C15
Fuel cell stack
60 kW
Battery bank
Li-Ion, 159 Ah/45 kWh, 346 V
Capacitor bank
1 MW/s, (3 kF × 200 pcs)
Electric motor
loads-induction motor
160 kW, 1,015 nm at
1,500 r/min
dc bus voltage
560 V dc
Electric braking (eddy current) 1,000 Nm max braking
Data acquisition system
10 Hz, Labview NI cRIO
NOx emission sensor
Horiba Mexa-720
solutions. It demonstrates that the capacitors have the
highest power density but the least energy density. At
the same time, fuel cells have the highest energy density but the least power density. Batteries lie somewhere
in between them. This signifies that capacitors, in general, can output very high power per mass, but their
energy content per mass is much less. Fuel cells can
output the least power per mass; however, their energy
content per mass is the highest. On the other hand, a
battery can deliver higher power per mass than the fuel
cell and contains higher energy per mass than the
capacitor. The range of energy and power density for
energy storage solutions is one of the criteria used for
deciding their functionality.
ESDs in a marine vessel enhance the optimal operation
of conventional engines and hence reduce emission and
fuel consumption. The major roles or functionalities of
ESDs in a marine power plant are spinning reserve, peak
shaving, enhanced dynamic performance, enhanced ride
through, strategic loading, and zero-emission.
Induction Motor Loads
Diesel Generator
Big Engine
Electric Braking System
Diesel Generator
Small Engine
(a)
Supervisory Control in Control Room
(c)
(b)
Battery Bank
(d)
Figure 4. (a) A variable-speed diesel engine and generator. (b) The eddy current brakes along with the driving variable-speed motors. (c) The
HPS lab control room. (d) The battery bank.
92
I E E E E l e c t r i f i cati o n M agaz ine / DECEMBER 2019
IEEE Electrification Magazine - December 2019
Table of Contents for the Digital Edition of IEEE Electrification Magazine - December 2019
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https://www.nxtbook.com/nxtbooks/pes/electrification_december2022
https://www.nxtbook.com/nxtbooks/pes/electrification_september2022
https://www.nxtbook.com/nxtbooks/pes/electrification_june2022
https://www.nxtbook.com/nxtbooks/pes/electrification_march2022
https://www.nxtbook.com/nxtbooks/pes/electrification_december2021
https://www.nxtbook.com/nxtbooks/pes/electrification_september2021
https://www.nxtbook.com/nxtbooks/pes/electrification_june2021
https://www.nxtbook.com/nxtbooks/pes/electrification_march2021
https://www.nxtbook.com/nxtbooks/pes/electrification_december2020
https://www.nxtbook.com/nxtbooks/pes/electrification_september2020
https://www.nxtbook.com/nxtbooks/pes/electrification_june2020
https://www.nxtbook.com/nxtbooks/pes/electrification_march2020
https://www.nxtbook.com/nxtbooks/pes/electrification_december2019
https://www.nxtbook.com/nxtbooks/pes/electrification_september2019
https://www.nxtbook.com/nxtbooks/pes/electrification_june2019
https://www.nxtbook.com/nxtbooks/pes/electrification_march2019
https://www.nxtbook.com/nxtbooks/pes/electrification_december2018
https://www.nxtbook.com/nxtbooks/pes/electrification_september2018
https://www.nxtbook.com/nxtbooks/pes/electrification_june2018
https://www.nxtbook.com/nxtbooks/pes/electrification_december2017
https://www.nxtbook.com/nxtbooks/pes/electrification_september2017
https://www.nxtbook.com/nxtbooks/pes/electrification_march2018
https://www.nxtbook.com/nxtbooks/pes/electrification_june2017
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https://www.nxtbook.com/nxtbooks/pes/electrification_march2015
https://www.nxtbook.com/nxtbooks/pes/electrification_june2015
https://www.nxtbook.com/nxtbooks/pes/electrification_september2015
https://www.nxtbook.com/nxtbooks/pes/electrification_march2014
https://www.nxtbook.com/nxtbooks/pes/electrification_june2014
https://www.nxtbook.com/nxtbooks/pes/electrification_september2014
https://www.nxtbook.com/nxtbooks/pes/electrification_december2014
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