EE 5

223

- Lec

ture

13

Mon

Feb

8, 2

021

Ong

oing

Lis

t of T

opic

s:

•U

RL:

http

://w

ww

.ece

.mtu

.edu

/facu

lty/b

amor

k/EE

5223

/inde

x.ht

m

•La

b 3

begi

ns W

ed, F

eb 1

6.•

EE42

22 s

ymm

etric

al C

ompo

nent

s pr

ereq

/revi

ew, p

oste

d W

eek

3.

Toda

y:

•Ex

ampl

es o

f CT

appl

icat

ion U

•W

rapu

p on

CTs

, RC

F, e

tc. U

•VT

s an

d C

CVT

s•

MO

CTs

U•

Rad

ial P

rote

ctio

n ba

sics

- sy

stem

-leve

l coo

rdin

atio

n•

Basi

c co

nnec

tions

of d

irect

iona

l ove

rcur

rent

(67)

rela

ys.

•Ph

ase

rela

ys -

each

line

cur

rent

is p

olar

ized

with

VLL

from

oth

er p

hase

s.•

Gro

und

rela

y - r

esid

ual c

urre

nt (3

I ao) p

olar

ized

with

Vbr

oken

del

ta (3

V ao)

•Ex

celle

nt Il

lust

ratio

ns: f

igur

es 3

.7 th

ru 3

.10

•Vo

ltage

& C

urre

nt re

latio

nshi

ps d

urin

g fa

ults

, §3.

5-3.

10•

X/R

ratio

, dc

offs

et, d

ecay

of d

c of

fset

•

Rel

ativ

e an

gles

and

mag

nitu

des

of a

ll Vs

& Is

dur

ing

faul

t

Som

e Te

rm P

roje

ct Id

eas:

•Br

owse

Tab

le o

f Con

tent

s in

you

r tex

t boo

k fo

r ide

as.

•Sc

ope

of p

roje

ct?

Tea

ms

of 1

, 2, o

r 3, s

cope

app

ropr

iate

.•

Ask

onlin

e st

uden

ts/e

ngin

eers

for s

ugge

stio

ns•

New

tech

nolo

gies

to fi

gure

out

, im

porta

nt p

robl

ems

to s

olve

•Im

porta

nt c

once

pts

that

nee

d to

be

bette

r und

erst

ood

(bey

ond

tech

leve

l)•

Usi

ng A

TP to

mod

el C

T sa

tura

tion

and

rela

y pe

rform

ance

(act

ual w

avef

orm

s)•

CT

satu

ratio

n ef

fect

s•

Full

3-ph

ase

conn

ectio

n of

CT,

CT

seco

ndar

y ca

bles

, and

rela

y bu

rden

s.

•Bu

ild li

brar

y of

ATP

com

pone

nts

for t

his

appl

icat

ion.

•

Appl

icat

ion

and

test

ing

of a

pro

tect

ion

sche

me

(man

y ar

e po

ssib

le)

•C

hoos

e sc

hem

e an

d re

lay(

s)•

Des

ign

the

prot

ectio

n sc

hem

e an

d pr

ovid

e se

tting

s•

Test

in re

layi

ng la

b•

Subs

tatio

n au

tom

atio

n (IE

C 6

1850

)•

Neg

ativ

e se

quen

ce p

olar

izat

ion

met

hods

Term

Pro

ject

Idea

s (c

ont’d

): •

Har

dwar

e vs

. sim

ulat

ion,

or b

oth?

EE5

220

stud

ents

- us

e AT

P,C

omtra

de.

•R

elay

test

er, l

ab te

sts

of re

lays

?•

Exte

nd M

atla

b w

ork?

ASP

EN?

Mak

e ed

ucat

iona

l or e

ngin

eerin

g to

ols.

•

Type

of p

rote

ctio

n yo

u’re

inte

rest

ed in

?•

Dis

tribu

tion

(urb

an, r

ural

, ind

ustri

al)

•Tr

ansf

orm

er (f

ixed

tap,

LTC

, PS)

•G

ener

ator

•

Bus

•C

ap B

anks

(Shu

nt o

r Ser

ies)

•Tr

ansm

issi

on L

ines

, Cab

les

•M

otor

s (In

duct

ion,

Syn

chro

nous

)•

Exam

ples

of p

ast p

roje

cts

can

be lo

oked

at.

Som

e to

pics

I ca

n su

gges

t:•

Cap

acito

r Ban

k Pr

otec

tion

•H

igh-

Impe

danc

e Fa

ults

•N

egat

ive

sequ

ence

pol

ariz

atio

n•

Subs

tatio

n G

roun

ding

, Gro

undi

ng Is

sues

•Sm

all/m

ediu

m g

as-tu

rbin

e ge

n pr

otec

tion.

•

Oth

er id

eas

- see

cou

rse

web

pag

e an

d cl

ick

on U

sefu

l Web

Lin

ks.

•N

ew te

chno

logi

es -

eg. o

ptic

al V

Ts?

•O

ut o

f ste

p, lo

ad s

hedd

ing,

sys

tem

sep

arat

ion.

•R

elay

set

tings

and

sys

tem

coo

rdin

atio

n.Pi

lot s

chem

es.

•Bl

ocki

ng, p

erm

issi

ve, o

verre

ach,

und

erre

ach.

•

End-

to-e

nd li

ne re

lay

test

ing

(GPS

coo

rdin

atio

n)•

Mul

ti-te

rmin

al li

ne p

rote

ctio

n•

IEC

618

50 -

use

of h

igh

band

wid

th in

trane

t for

pee

r-pee

rco

mm

unic

atio

ns a

mon

g re

lays

.