PS Magazine - MAY 1983
PS, The Preventative Maintenance Monthly
ISSUE 366
MAY 1983
:1
'
Generators.±²
±
THE
WRONG wAD HoKUP
F±r Y²u³ gEnela10´ Cµ¶ M·k¸
¹1 º»¼I ½XT¾¿ hÀÁd.'
Hooking up is more than
j
ust fasteniNG the leads, tho. You hAve to GEt the
output selector switch And voltage swItc± riGht, too.
SeT the output selector switch to the tIght PositIoN
bEfRE
you stArt thE
gen²rator. ³ever, nEver change the posItIoN of the swItCh w´eN µhE GeNErAtor
is running¶
LOAd BAlANciNg
·hree- and 4¸wir² hookups neEd to be bAlaNced, too.
Balancing meAns puttiNg the same loAd on each hot wire. ¹dd up thE loAd IN
kiLowatTs, kilovolT-amperes, or aMperes for
LÂ, Ã2
And
Ã3Ä
ShIFt loads from oNe wIre to aNother to ºAke thE totAls As closE As possI»lE.
Be sure not to exceed t±e rating oN t±E geNerator¼
½hecK oUT t¾e exAMples oF load balaNcIng IN
fm 2Å-3ÆÇ
¿AGEs
3ÈÆ3
thru
3ÈÆ7É
HOOkiNg Up
Ll
120-v
(120±v)
;
1 phase
L²
=
³oAd
²4´µvO³t outpuT
¶ermina³s
²40-v
ÊË
1 pHAse
(240-v·
¸²
³oAd
6Ì
SiNg³e phase, 120-vo³t outpuT
¶ErmiNa³s
L¹
o
Ll
:
²
¸2
O
·- ±²³´´´´´µ¶
L3
o
SiNg³e phaºe, ²»0-vo³t output
¶ermina³s
¸¹
¸
¸l
¼
_
³´µ=¶· -¸¹º;»
¸2
¸3
¹
3±phaºe½ 120-vo³t Output
¶ermiNa³s
L¾
o
L
Ë
L²
L3
º
0
±
120±v
iI
1 V¿ase
3µphase½ 120/²08±Ào³t ÁuTpuT
¶eRmiNa³s
L¾
120Âv
120Âv
1 phase
120Âv
1 VhAse
¸
Ë
1 p¿ase ³OaD
120-v
240-v
³OaD
ò´µÀo³T
Í
phAsÄ
³oad
²08-v
3 phAse
³oAD
L²
1 phase ³OaD
120-v
ÎÍ
l phase ³oad
6Ï
Vo¼ta½e se¼eCTor
@C
@
¾U¶PU¶
SÅLÅC¶¾Æ SWI¶CÇ
ȾLÉ SWIÉCÇ
Set tO:
Set tOÊ
1²0ÂvO³t
1 p¿ase
24Ë-Ào³T
!±phasÄ
120-vo³t
3-phase
Ã20/208-ÀOÌt
3µphAsÄ
ÈÍÂ2 (120Âv)
È2Â3 (120±v)
ÈÍÂ2 (120 v)
ÈÍÂÎ (120Âv·
ÈlÏ0 (1²0-v·
È2Ï0 (120Ðv·
È3±0 (120-v)
Èl-2 (²0ѱv)
È2-3 (208ÂÀ)
Èl-3 (²08-v)
³
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