5223_L34
23
EE 5223 - Lecture 34 Mon April 6, 2015 Ongoing List of Topics: • URL: http://www.ece.mtu.edu/faculty/bamork/EE5223/index.htm • Term Project • Follow timeline, see posting on web page • Formal outline w/complete references complete, get/keep cranking... • Homework • Problem 10.1 - complete by Tues 5pm. See e-mail re. typos, helpful hints. • Protection of Shunt Capacitor Banks (print out “Cap Bank Prot” at Week 12) • Basic protection concerns. • Capacitor “can” design - externally fused, internally fused, fuseless. • Cap bank configuration, design calculations. • Implications of failure of individual capacitor elements. • Cascading failure. • Protection strategies for wye-connected cap bank. • Next: • Overview of Cap Bank protection strategies for various configurations • Example - calc spreadsheet set up for externally fused grounded-wye.
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5223_L34
Transcript of 5223_L34
-
EE 5
223
- Lec
ture
34
Mon
Apr
il 6,
201
5
Ong
oing
Lis
t of T
opic
s:
U
RL:
http
://w
ww
.ece
.mtu
.edu
/facu
lty/b
amor
k/E
E52
23/in
dex.
htm
Term
Pro
ject
Fo
llow
tim
elin
e, s
ee p
ostin
g on
web
pag
e
Form
al o
utlin
e w
/com
plet
e re
fere
nces
com
plet
e, g
et/k
eep
cran
king
...
Hom
ewor
k
Pro
blem
10.
1 - c
ompl
ete
by T
ues
5pm
. S
ee e
-mai
l re.
typo
s, h
elpf
ul h
ints
.
Pro
tect
ion
of S
hunt
Cap
acito
r Ban
ks (p
rint o
ut C
ap B
ank
Pro
t at
Wee
k 12
)
Bas
ic p
rote
ctio
n co
ncer
ns.
C
apac
itor
can
des
ign
- ext
erna
lly fu
sed,
inte
rnal
ly fu
sed,
fuse
less
.
Cap
ban
k co
nfig
urat
ion,
des
ign
calc
ulat
ions
.
Impl
icat
ions
of f
ailu
re o
f ind
ivid
ual c
apac
itor e
lem
ents
.
Cas
cadi
ng fa
ilure
.
Pro
tect
ion
stra
tegi
es fo
r wye
-con
nect
ed c
ap b
ank.
Nex
t:
Ove
rvie
w o
f Cap
Ban
k pr
otec
tion
stra
tegi
es fo
r var
ious
con
figur
atio
ns
Exa
mpl
e - c
alc
spre
adsh
eet s
et u
p fo
r ext
erna
lly fu
sed
grou
nded
-wye
.
