The
use
of
pumps
operating
as
turbines
(PATs)
offers
the
possibility
to
increase
sustainability
water
and
energy
systems,
by
recovering
excess
that
would
be
otherwise
lost
in
system’s
normal
operation.
While
on-grid
applications
there
are
many
research
works
implementations
PATs,
is
still
limited
for
optimization
efficiency
stability
off-grid
systems.
This
work
contributes
development
stable
DC
systems
based
on
optimizing
analysing
different
electric
loads.
To
further
usefulness
this
work,
we
consider
a
self-excited
induction
generator
(SEIG)
coupled
PAT.
In
context,
methodology
proposed,
multiphysics
interaction
between
hydraulic,
mechanical
subsystems,
define
PAT-SEIG
operational
area
maximize
conversion
efficiency,
guarantee
output
quantities
when
system.
addition,
an
analytical
model
proposed
allow
project
system
managers
best
hydraulic
machines,
electronic
equipment,
all
control
elements
conversion,
within
target
limits.
develop
verify
our
methodology,
two
micro
PAT-SEIG-AC/DC
setups
were
implemented
laboratory
under
typical
conditions.
solution
proved
resilient
variable
load
regime.
maximum
can
adapted
using
values
capacitors
range
components
(input
voltage
DC/DC
converter
input
current
SEIG).
Considering
nominal
efficiencies
components,
p.u.
both
0.7
0.8
Energies,
Год журнала:
2024,
Номер
17(6), С. 1382 - 1382
Опубликована: Март 13, 2024
Using
pumps
operating
as
turbines
(PATs)
offers
the
possibility
of
increasing
sustainability
water
and
energy
systems
by
recovering
excess
that
would
be
otherwise
lost
in
pressure-reducing
valves
or
head
loss
chambers.
Regarding
on-grid
applications,
there
have
been
many
research
works,
PATs
implemented
several
ways.
However,
more
still
needs
to
done
on
optimizing
efficiency
stability
off-grid
systems.
This
work
contributes
development
stable
direct
current
(DC)
electric
based
using
a
self-excited
induction
generator
(SEIG).
In
this
context,
methodology
is
proposed,
hydraulic,
mechanical,
subsystems,
define
PAT-SEIG
operational
area
maximize
conversion
system
efficiency.
These
limits
depend
highly
capacitor
value,
rotational
speed,
load.
addition,
an
analytical
model
proposed
estimate
operation
under
specific
conditions.
With
this,
managers
can
design
optimize
best
hydraulic
machines,
electronic
equipment,
control
elements
within
target
limits.
Two
micro
setups
were
laboratory
IST/CERIS
typical
conditions
validate
methodology.
The
system’s
maximum
adapted
different
values
for
excitation
SEIG.
Considering
nominal
efficiencies
components,
p.u.
obtained
each
was
between
0.7
0.8
Transient
test-based
techniques
have
been
widely
identified
as
one
of
the
best
non-intrusive
that
exploit
propagation
pressure
waves
along
pressurised
pipelines,
allowing
check
status
distribution
systems.
Although
several
studies
demonstrated
suitability
this
technique
for
identifying
anomalies
in
transmission
including
leaks,
potential
automatically
analysing
transient
signals
through
deep
learning
procedures
has
only
superficially
investigated.
With
aim,
study
proposes
how
a
proper
synthetic
generation
based
on
numerical
simulations
can
support
development
neural
network-based
methodologies
water
leak
detection
and
localisation.
The
use
of
pumps
operating
as
turbines
(PATs)
offers
the
possibility
to
increase
sustainability
water
and
energy
systems,
by
recovering
excess
that
would
be
otherwise
lost
in
system’s
normal
operation.
While
on-grid
applications
there
are
many
research
works
implementations
PATs,
is
still
limited
for
optimization
efficiency
stability
off-grid
systems.
This
work
contributes
development
stable
DC
systems
based
on
optimizing
analysing
different
electric
loads.
To
further
usefulness
this
work,
we
consider
a
self-excited
induction
generator
(SEIG)
coupled
PAT.
In
context,
methodology
proposed,
multiphysics
interaction
between
hydraulic,
mechanical
subsystems,
define
PAT-SEIG
operational
area
maximize
conversion
efficiency,
guarantee
output
quantities
when
system.
addition,
an
analytical
model
proposed
allow
project
system
managers
best
hydraulic
machines,
electronic
equipment,
all
control
elements
conversion,
within
target
limits.
develop
verify
our
methodology,
two
micro
PAT-SEIG-AC/DC
setups
were
implemented
laboratory
under
typical
conditions.
solution
proved
resilient
variable
load
regime.
maximum
can
adapted
using
values
capacitors
range
components
(input
voltage
DC/DC
converter
input
current
SEIG).
Considering
nominal
efficiencies
components,
p.u.
both
0.7
0.8
