Download Print this page

Siemens MJ-X Installation And Operation Manual page 46

Voltage regulator control panel
Hide thumbs Also See for MJ-X:

Advertisement


0-; &RQWURO 3DQHO $XWRPDWLF 0RGH
6RIWZDUH 9ROWDJH 0HDVXUHPHQW &RUUHFWLRQ
7KH PRQLWRUHG RXWSXW YROWDJH LV VFDOHG DSSURSULDWHO\ WR
WKH QRPLQDO EDVLV YROWDJH LQ WZR VWHSV 7KH ILUVW YROWDJH
VFDOLQJ LV SHUIRUPHG WKURXJK D VWHSGRZQ WUDQVIRUPHU
7KH VHFRQG VFDOLQJ WDNHV SODFH LQ WKH VRIWZDUH DOJRULWKP
DIWHU WKH YROWDJH LV FRQYHUWHG WR D QXPHULF UHSUHVHQWDWLRQ
6RIWZDUH VFDOLQJ FRUUHFWV WKH QRPLQDO LQSXW YROWDJH OHYHO
WR WKH QXPHULF UHSUHVHQWDWLRQ RI WKH EDVLV YROWDJH 7KH
EDVLV YROWDJH YDOXH LV XVHU FRQILJXUDEOH 7KH FKRLFHV DUH
 DQG  9 7KH GHIDXOW EDVLV YROWDJH LV  9

9ROWDJH /LPLW &RQWURO
7KH YROWDJH OLPLW FRQWURO 9/& IXQFWLRQ PRQLWRUV UHJXODWRU
RXWSXW YROWDJH DQG FRPSDUHV LW WR PD[LPXP DQG PLQL
PXP YROWDJH OLPLW VHW SRLQWV ,I WKH 9/& IXQFWLRQ LV DFWLYH
WKH FRQWURO SURJUDP LQKLELWV WDS FKDQJHV WKDW ZRXOG FDXVH
WKH YROWDJH WR JR DERYH WKH 9/& XSSHU RU EHORZ WKH 9/&
ORZHU YROWDJH ,I 9/& LV DFWLYDWHG ZKLOH WKH YROWDJH LV RXW
VLGH RI WKH 9/& OLPLW UDQJH WKH WDS SRVLWLRQ LV LQFUH
PHQWHGGHFUHPHQWHG XQWLO WKH YROWDJH LV ZLWKLQ WKH
GHILQHG 9/& UDQJH
/LPLWLQJ DQGRU UXQEDFN PD\ RFFXU LI RQH RI WKH IROORZLQJ
KDSSHQV

7KH VRXUFH YROWDJH FKDQJHV GUDPDWLFDOO\

7KH ORDG RQ WKH UHJXODWRU FKDQJHV VLJQLILFDQWO\ RU

7KH 9/& IXQFWLRQ LV HQDEOHG ZKHQ WKH OLPLW FRQGLWLRQV
DUH H[FHHGHG
1RWH 7KH 9/& IXQFWLRQ XVHV WKH 9OG LH WKH ORDG
YROWDJH DW WKH UHJXODWRU WR GHWHUPLQH ZKHWKHU
RU QRW WR OLPLW RU UXQEDFN 7KH 9/& DOJRULWKP
VHQVHV RQH UHJXODWRU EXVKLQJ IRU IRUZDUG
SRZHU IORZ DQG WKH RWKHU UHJXODWRU EXVKLQJ IRU
UHYHUVH SRZHU IORZ 6HH )RUZDUG5HYHUVH
2SHUDWLRQ PRGHV EHORZ 
7KH PD[LPXP YROWDJH OLPLW VHW SRLQW LV DGMXVWDEOH IURP
 YROWV WR  YROWV LQ  YROW VWHSV 7KH PLQLPXP
YROWDJH OLPLW VHW SRLQW LV DGMXVWDEOH IURP  YROWV WR
 YROWV LQ  YROW VWHSV 7KH FRQWURO SURJUDP ZLOO QRW
DOORZ WKHVH OLPLWV WR EH VHW VR WKDW WKH\ RYHUODS RQH
DQRWKHU
,I UHJXODWRU RXWSXW YROWDJH IDOOV RXWVLGH OLPLWV 9/& DFWV WR
UHWXUQ UHJXODWRU YROWDJH ZLWKLQ OLPLWV 5HWXUQ EHJLQV LPPH
GLDWHO\ LH ZLWKRXW UHJDUG WR WKH WLPH GHOD\ VHWWLQJ 
ZKLOH DYRLGLQJ D KXQWLQJ FRQGLWLRQ LH 9/& ZLOO QRW IRUFH
D WDS FKDQJH ZKLFK ZRXOG DFWLYDWH WKH EDVLF FRQWURO DOJR
ULWKP DQG IRUFH WKH UHJXODWRU RXWVLGH OLPLWV RQFH DJDLQ 
9/& DFWLYDWHV ZKHQ ORDG YROWDJH LV ZLWKLQ RQH YROW RI WKH
XSSHUORZHU OLPLW WR SUHYHQW WKH YROWDJH IURP JRLQJ RXW
VLGH SUHVFULEHG OLPLWV


5HYHUVH 3RZHU )ORZ
6\VWHPV ZKHUH SRZHU IORZ UHYHUVDOV RFFXU KDYH XQLTXH
UHJXODWLRQ FRQWURO UHTXLUHPHQWV )RU V\VWHPV RI WKLV W\SH
WKH 0-; VHQVHV WKH UHYHUVDO DQG DGMXVWV LWV RSHUDWLRQ
DFFRUGLQJO\ :KHQ SRZHU IORZ GLUHFWLRQ FKDQJHV WKH
0-; FRQWURO DOJRULWKP WDNHV WKH IROORZLQJ IDFWRUV LQWR
DFFRXQW

3RZHU )ORZ GLUHFWLRQ

)RUZDUG RU 5HYHUVH RSHUDWLQJ PRGH DQG

3RZHU )ORZ 0RGH DV VHOHFWHG IURP WKH &21),*85(
0HQX 7KHVH IDFWRUV DUH GLVFXVVHG LQ JUHDWHU GHWDLO
EHORZ

3RZHU )ORZ 'LUHFWLRQ
7KH PLFURSURFHVVRU GHWHUPLQHV SRZHU IORZ GLUHFWLRQ E\
FRQWLQXDOO\ PRQLWRULQJ WKH UHDO SRZHU N: UHDGLQJ DQG WKH
UHDO FRPSRQHQW RI FXUUHQW 7KH UHDO FRPSRQHQW RI FXUUHQW
UHSUHVHQWV WKH FRPSRQHQW RI WKH FXUUHQW ZKLFK LV LQ
SKDVH ZLWK WKH ORDG YROWDJH VLJQDO
7KH 0-; &RQWURO 3DQHO LQGLFDWHV IRUZDUG SRZHU IORZ
ZKHQ WKH UHDO SRZHU N: LV SRVLWLYH DQG WKH UHDO FRPSR
QHQW RI FXUUHQW LV JUHDWHU WKDQ 
5HYHUVH SRZHU IORZ LV LQGLFDWHG ZKHQ WKH UHDO SRZHU LV
QHJDWLYH DQG WKH UHDO FRPSRQHQW RI FXUUHQW LV JUHDWHU WKDQ

RI WKH IXOO VFDOH FXUUHQW 7R DYRLG H[FHVVLYH VZLWFKLQJ
EHWZHHQ )RUZDUG DQG 5HYHUVH 2SHUDWLRQ GHILQHG EHORZ 
WKH PLFURSURFHVVRU GHOD\V ILYH VHFRQGV DIWHU WKH RFFXU
UHQFH RI D FXUUHQW IORZ UHYHUVDO EHIRUH VZLWFKLQJ IURP IRU
ZDUG WR UHYHUVH DQG YLFHYHUVD
$V DQ H[DPSOH DVVXPH FXUUHQW LV IORZLQJ LQ WKH IRUZDUG
GLUHFWLRQ :KHQ ORDG FXUUHQW PDJQLWXGH GURSV WKURXJK
]HUR DQG LQFUHDVHV WR D PDJQLWXGH WKDW H[FHHGV 
FXUUHQW LQ WKH UHYHUVH GLUHFWLRQ WKH PLFURSURFHVVRU GHOD\V
ILYH VHFRQGV DQG WKHQ FRQVLGHUV UHYHUVH SRZHU IORZ WR EH
LQ HIIHFW 5HYHUVH SRZHU IORZ UHPDLQV LQ HIIHFW XQWLO FXU
UHQW GLUHFWLRQ EHFRPHV IRUZDUG RQFH DJDLQ DQG LWV PDJQL
WXGH H[FHHGV 
RI UDWHG FXUUHQW LQ WKH SRVLWLYH GLUHFWLRQ
IRU ILYH VHFRQGV $W WKDW WLPH WKH PLFURSURFHVVRU FRQVLG
HUV IRUZDUG SRZHU IORZ FRQGLWLRQV WR KDYH UHVXPHG
3RZHU IORZ GLUHFWLRQ LV LQGLFDWHG RQ PDQ\ RI WKH PHWHULQJ
VFUHHQV o)p LQGLFDWHV IRUZDUG SRZHU IORZ o5p LQGLFDWHV
UHYHUVH SRZHU IORZ o)p LV VKRZQ ZKHQ N: !  DQG
_IUHDO_ ! 
RI IXOO VFDOH IRU  VHFRQGV PLQLPXP o5p LV
VKRZQ ZKHQ N:   DQG _ IUHDO _ ! 
VHFRQGV PLQLPXP ,I WKH UHDO FXUUHQW PDJQLWXGH LV EHORZ
WKH 
WKUHVKROG WKH ODVW NQRZQ SRZHU IORZ GLUHFWLRQ
UHPDLQV LQ HIIHFW ,I WKH UHDO FXUUHQW PDJQLWXGH LV EHORZ
WKH 
WKUHVKROG DIWHU SRZHU XS RU XQLW UHVHW WKH 0-;
GHIDXOWV WR IRUZDUG SRZHU IORZ RSHUDWLRQ
,W LV SRVVLEOH IRU 5HYHUVH 3RZHU )ORZ FRQGLWLRQV WR RFFXU
LQ LQYHUWHG VW\OH UHJXODWRUV ZLWK QR VRXUFH VLGH 3RWHQWLDO
7UDQVIRUPHU 8QGHU WKHVH FRQGLWLRQV WKH FRQWURO ZLOO PHD
VXUH ]HUR YROWV LH OHVV WKDQ WKH  YROW PLQLPXP RSHUDW
LQJ YROWDJH DQG WKH &21),*85(! 0HQX o37 /RZ
7KUHVKROGp GDWD LWHP GHIDXOW
6LHPHQV 3RZHU 7UDQVPLVVLRQ
RI WKH IXOO VFDOH FXUUHQW
UDWHG
RI IXOO VFDOH IRU 
 YROWV  FDXVHV WKH FRQ
'LVWULEXWLRQ //&

Advertisement

loading