Document LpGY4Y4g6j89xJVyOnk6Y2YzX
I CONTINUED
Electrical Distribution and ApplicatiM
Survey your p)onf electrical foods Group similar foods for economicol loyout Use modern voltage* and distribution arrangements 9 Build protection into all parts of your system
m
mEvery sound electrical moderntuln
program start* wUU load survey. ` meant finding nui (he present sal.
each load and when ami where itij
Mile existing structures...cur*. And U means citimaiisj theu&s
for future year*.
*3^1
Study tho gosmelry of the toad. Skw\
[|||ways to Handle Heavy horsepower dri&Vt;
separately from
and the G-E V-c INTERLOCKED ARMOR CABLE SYSTEft
K. .foVdistribute power in n modernized plant, on eastern manufnc-
-JLi * jr't L4!l'ryi
1 tirtr'used 12 G-E unit subslations on the roof and then installed
interlocked armor cable system to bring high-voltage these substations. More than a mile of G-E V-c interlocked puJ^toaflebsblete was used. The cab' l*e; was 3-conductor #2/0, 15,000-
Lfw^No. 1799 varnisihhed-cammbbrriiec-insulated with a thermoplastic
Easy to bend.
Comer* and projecllom ppre^ionnt` ono7 Installation problmi for th O-B
fcjidttsri_d__b_r_o_n__z_e__ar.mnoorr.. rE/,*Umn,vdlenrgirroouiind dduucctt work would have meant coossttIlvy tearing uupd
v-e Interlocked ormor coble system.
loecf VT 1,888 M glvc ideB|-
^concrete floors. And an ordinary conduit installation was not
ticaLraisin,OB*i ^1<n otherwise pri^`*9i>,(wlilb"b<eause of the uneven contour of the buildings* roofs.
copper coii^inVl1*8 Cllj tFvr con, line low and voltage droo'taM'1'Very often some, or even all, of the
^Hng load can be swung, from 2W
these methods also meant more Installation time ond it .
ff m#l6r,aU*
jS
Aluminum racks
. existing 220-r^j ^Ahm^imim racks, only 12 inches wide, were used to carry the
the many rises, slopes, and bends on the roofs. Because
--t t.h..e..m---o-t-o--r-, W.,,, ol. Clautlf ill m
, vrr. v-c Unjfdificull,
imcsriroloccKkeeod aarrmmoorr < experienced in
ccoaoble Pul
system
is
light
and
flexible,
----- - .. mouctien, inwlmnwj^r 'S^^ the be.xnp[e)r,iesnncdedaninglpe.u.lling long lengths by hand over
and direct-current. fntegrel-horsepowerirtt.
.
bends and angles.
induction motors break down Into iquu^Vst^vXm:.
rel-cage, wound-rotor and commutaiw>
,iynf.
Cosy So Inspect
type toris.b.!.e.?.,,}(),,cveud avc mmootfoorr*|. W^.opuanndioyr^ vm^j-yc* interlocked armor cable on racks is always open for visual
ffOoVioorr TpnerrmmUits greater starting torque.
-- 8lwys acce_s_s..ibil_e -- _quicMkly.._s_pil:ic__e_di w.,,i:t,hl sim___pule
T, he. sayyniiccnhrroonnoouuss mmoottoorr,, aa Wco0o,l,unn!'Sf-L|^a|l5S),H^/ianical joints. To our knowledge, no installation of G-E V-c s*peed unit, should be considered foorf*tlIWwl^*$ltf !{lk*l&okcd armor cable has ever suffered mechanical damage
heavy load*. It may well fit Into
**hi$c`enf 10 cause electrical failure. It will pay you to investigate
modernization program by handling certain large loads
effieiestlm^ (such
M^!|*C-EV-c
interlocked
armor
cable
system.
For
more
information,
compressor drives) and correcting The dc motor is still the old tsndbj.w
1..1<,iv<'TjpP*. Sseeccttiioonn Wwo6*'rt--Fro6d3,, CLoonnssttrruuccltiioonn MMaatteerriiasllss l';VV(h^l5*|rfc^triCe Conmpnany, RBrfiid^goefipiAorlt 92, pCAonneacrltiipcuntl.
Division,
General
I for adjustable speed, better In this
| spect than any sc motor. For *
ESTIMATEO INSTALLED COST FOR 1 5,000-VOLT CABLE
*
r*nfct UtUri ft Sa hstAlia
\tepsxC
(HlailW Cnl car im f*m nwAJiMrv
VwsliSsS Cmbrto latotstsi Inter-
lectcd Arms Casts
Util
tu
fljMHr-Wcowso*
3/s
Btesi Conduit
IS7
artbcr-wseotcRo
I/O Mftitna*' 111
IMS 4J0 l;jo
*BaMd on 77 C coppsr for V< end SO C copper for rubbor^ntvtaiod cabin at 40 C amUcnt.
speed variation the direct-current mot** cy rtjK is often the best answer, even if if volves the complication of a moior-gsn--W|
caneor^t'i&nce m_
erstor set or equivalent arrangement * supply dc from ac.
Your modernisation program should
(Continued on page 83)
GENERAL @ ELECTRIC
POWV8 Mlrf-fpftmbr, M*l'
Mid-September, 1913