IEEE Electrification Magazine - March 2018 - 32
combination with the ice to give extra power in both
configurations. during braking or deceleration, the traction motor is used as a generator to charge the battery. in
standstill, the ice can continue to run and drive the generator to charge the battery if needed. however, the
series-parallel-hybrid ev is also relatively more complicated and expensive. table 1 shows the performance
index of a series-parallel-hybrid ev.
from the ice via the gearbox to the wheels, whereas, in
series-hybrid ev mode, the energy flows from the generator and motor to the wheels. the performance index
of a complex-hybrid ev is shown in table 1. the torque
of the motor and the ice would be control by the planetary gear system (pGs) of the vehicle's chassis section.
the pGs is connected to the motor, ice, and generator
of the system and coordinates the torque of all devices
in the vehicle.
Complex-Hybrid EVs
FC Hybrid EVs
RDABIBDC
tra
Ul
Pack
or
cit
Battery
pa
ry
tte
Ba ack
P
ox
Gear B
Vehicle
System
sion
smis
Tran
+
or
tery r
Bat capacito
Ultra
hine
ac
c
nM
dc/arter
ctio
a
e
r
v
T
-
In
ICE
ck
l Ta
Fue
Pa
nk
IC
ry
S
Sttan
ill d
tte
E
G
eds
ler
Spe
r
e
oup
h
eC
Hig
u
q
Tor
M
In dc/
ve ac
rte
r
Ba
D
e
PS
ne
Ca Inte
se ns
iv
Ca
s
To e
rq
ue
Co
up
ler
G
CHEV
Vehic
le Sy
stem
PGS
ICE
El
ec
tric
-In
te
ns
ive
Batte
Recti
fier
sion
SHEV
ry Pa
ck
smis
En
gi
Tran
ar
Ge ox
System
le
ic
h
B
e
V
Highe
V
BE
State of r
HE
V
Charge
C
F
Ultra
Topologies
Capacit
of Drive Trains
Tractio
or
n Mach
of Electric
ine -
+
Vehicles
Gear
Inverte
SP
r
Ve
V
H
Box
Rectifie
E
hic
HE
V
r
P
m
e
le
t
s
y
L
S
o
Sy
wer
le
ic
h
State
ste
Ve
f
Chargo
m
e
G
ICE
Low
er S
pee
ds
m
ste
Sy
M
Tr
an
sm
iss
ion
ter
c
/a r
dc erte
v
In
t
ac
Tr
ion
or
ot
M
le
hic
Ve
Inver
Tractio
n Moto
r
FCS
Inverte
r
arbon
Hydroc
Fuel
the potential for superior efficiency and zero (or near
zero) emissions has long attracted interest in fcs as the
potential automotive power source of the future. the overall goal of fc research and development programs is to
ca
er
Reform
another form of series-hybrid configuration is the complex-hybrid ev, which is a split-power hybrid ev topology. in this configuration, the energy flows in a fashion
similar to either that of a parallel-hybrid ev or a serieshybrid ev. in parallel-hybrid ev mode, energy flows
Figure 8. A description of the topologies of drivetrains for EVs in India. FCHEV: FC hybrid EV; SHEV: series-hybrid EV; PHEV: parallel-hybrid EV;
SPHEV: series-parallel-hybrid EV; CHEV: complex-hybrid EV; BEV: battery EV; RDAB-IBDC: resonant dual-active bridge-isolated bidirectional dc-dc
converter; FCS: FC stack; M: motor; G: generator; PSD: power split device.
32
I EEE E l e c t r i f i c a t i on M a gaz ine / march 2018
Table of Contents for the Digital Edition of IEEE Electrification Magazine - March 2018
Contents
IEEE Electrification Magazine - March 2018 - Cover1
IEEE Electrification Magazine - March 2018 - Cover2
IEEE Electrification Magazine - March 2018 - Contents
IEEE Electrification Magazine - March 2018 - 2
IEEE Electrification Magazine - March 2018 - 3
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