LQSXWSRZHUIDLOXUH7KHFLUFXLWLV2SHQ&ROOHFWRUDQGUHTXLUHVDSXOOXSUHVLVWRU
RQWKHV\VWHPVLGH1RPLQDOYDOXHIRUWKHSXOOXSZRXOGEHRKPVWR
YROWV7\SLFDOO\WKLVVLJQDOLVDVVHUWHGLQWLPHVRWKDWDERXWPLOOLVHFRQGVRIIXOO
SRZHURSHUDWLRQUHPDLQVDIWHU3RZHU)DLOVLJQDODVVHUWLRQ7KLVSLQFDQEHOHIW
RSHQZLWKRXWDGYHUVHDIIHFWRQRSHUDWLRQRIWKHPRGXOH7KH3RZHU)DLOVLJQDOLV
JHQHUDWHGIURPDFLUFXLWZKLFKPRQLWRUVWKHYROWDJHSUHVHQWRQWKHLQSXWHQHUJ\
VWRUDJHEXVVZKLFKLVWKHRXWSXWRIWKHSRZHUIDFWRUFRUUHFWLRQFLUFXLW:KHQWKH
EXVVGHFUHDVHVE\WKH3RZHU)DLOFLUFXLWLVDFWLYDWHG
Power Valid
7KH3RZHU9DOLGIHDWXUHLVD77/FRPSDWLEOHRXWSXWVWDWXVVLJQDOZKLFKLQGLFDWHV
WKDWWKHRXWSXWYROWDJHRIWKHPRGXOHLVZLWKLQUHJXODWLRQ7KHFLUFXLWLV2SHQ
&ROOHFWRUDQGUHTXLUHVDSXOOXSUHVLVWRURQWKHV\VWHPVLGH1RPLQDOYDOXHIRU
WKHSXOOXSZRXOGEHRKPVWRYROWV7KHVLJQDOLVDFWLYH/RZ,WLVLPSRUWDQW
WRNQRZWKDWWKH3RZHU9DOLGVLJQDOLVDXWRPDWLFDOO\GHDVVHUWHGZKHQWKHSRZHU
VXSSO\VWDUWVXS,WWDNHVD¿QLWHDPRXQWRIWLPHVHYHUDOPLOOLVHFRQGVIRUWKH
RXWSXWYROWDJHWRUDPSXSIURP]HURWRWKHQRPLQDOUHJXODWHGYDOXH'XULQJWKLV
WLPHWKH3RZHU9DOLGVLJQDOLVGHDVVHUWHG+L,IIRUDQ\UHDVRQGXULQJQRUPDO
RSHUDWLRQIRUH[DPSOHH[FHVVLYHRYHUORDGIRUFLQJWKHPRGXOHLQWRIROGEDFN
SURWHFWLRQWKHRXWSXWYROWDJHGURSVWRDYDOXHRXWRIWKHUHJXODWLRQEDQGWKH
3RZHU9DOLGVLJQDOZLOOGHDVVHUW7KLVSLQFDQEHOHIWRSHQZLWKRXWDGYHUVHDIIHFW
RQSURSHURSHUDWLRQRIWKHPRGXOH
Inhibit
7KH,QKLELWIHDWXUHLVDFRQWUROIXQFWLRQZKLFKDOORZVWKHXVHUWRHOHFWURQLFDOO\ VZLWFKWKHPRGXOHRXWSXWRII7KLVSLQLV77/FRPSDWLEOH$ORJLFµ/RZ¶DSSOLHGWR WKLVSLQZLOOFDXVHWKHPRGXOHWRVKXWRII5HOHDVHRIWKHµ/RZ¶FDXVLQJWKHSLQWR JRµ+LJK¶RUÀRDWZLOODOORZQRUPDORSHUDWLRQRIWKHPRGXOH,QKLELWLQJWKHPRGXOH ZLOOFDXVHWKH3RZHU9DOLGVLJQDOWRDVVHUWVLQFHWKHRXWSXWZLOOGURSWRQHDU]HUR +RZHYHUDFWLYDWLQJWKH,QKLELWSLQRIDQ\RQHPRGXOHZLOOKDYHQRDIIHFWRQDQ\ RWKHUPRGXOH$OVRWKHPRGXOH,QKLELWSLQZLOOQRWFDXVH³JOREDO´VKXWWLQJGRZQ RIWKHHQWLUHSRZHUVXSSO\/HDYLQJWKH,QKLELWSLQRSHQZLOODOORZWKHPRGXOHWR
RSHUDWHQRUPDOO\
Current Share
7KHFXUUHQWVKDUHSLQLVDFRQWUROSLQZKLFKZLOODFWLYDWHDIRUFHFXUUHQWVKDUH
FLUFXLWZLWKLQWKHPRGXOH7KLVFLUFXLWHOHFWURQLFDOO\IRUFHVDOOPRGXOHVZLWKFXUUHQW
VKDUHSLQVWLHGWRJHWKHUWRVKDUHRXWSXWFXUUHQWHTXDOO\8SWRWKUHHPRGXOHVFDQ EHFRQQHFWHGWKLVZD\IRUHTXDOVKDULQJ$FFXUDF\RIVKDULQJGHSHQGVWRVRPH H[WHQWRQZKHWKHURUQRWWKH6HQVHSLQVRIWKHPRGXOHVDUHXVHGVLQFHWKH &XUUHQW6KDUHIXQFWLRQLVUHIHUHQFHGWRWKH6HQVHSRWHQWLDO)RURSWLPXPFXUUHQW VKDUHDFFXUDF\6RODUHFRPPHQGVHLWKHUXVLQJWKHVKDUHSLQVLQWKHLULQWHQGHG PDQQHUWRFRQWUROWKHYROWDJHDWWKHSRLQWRIORDGRUMXVWFRQQHFWLQJWKH6HQVH
SLQVEHWZHHQWKHWZRVKDUHGPRGXOHV
+ Sense
7KH6HQVHSLQLVDFRQQHFWLRQWKDWLVXVHGE\WKHPRGXOHFRQWUROFLUFXLWVIRU
SUHFLVHUHJXODWLRQ7HFKQLFDOO\WKHRXWSXWYROWDJHRIWKHSRZHUVXSSO\LVUHJXODWHG
ZLWKUHVSHFWWRWKH6HQVHSLQV7KH6HQVHSLQLVFRQQHFWHGWRWKH
Connection to Load
6RPHEURDGSULQFLSOHVRIFRQQHFWLQJWKHSRZHUVXSSO\WRWKHORDGDUHLOOXVWUDWHGLQ GLDJUDPV
•Diagram 1LOOXVWUDWHVFRQQHFWLQJDVLQJOHRXWSXWSRZHUVXSSO\VLQJOHPRGXOH WRWKHORDG
| O |
|
|
|
|
| U | + |
|
|
|
POWER SUPPLY | T |
|
|
| LOAD |
P |
|
|
| ||
| U | - |
|
|
|
|
|
|
| ||
| T |
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
•Diagram 2LOOXVWUDWHVFRQQHFWLQJDWZRRXWSXWSRZHUVXSSO\XVLQJWKHFRPPRQ UHWXUQFLUFXLWDUFKLWHFWXUH
|
|
|
|
|
|
|
|
U |
| + |
|
|
|
|
|
O | 1 |
|
|
|
|
| LOAD |
|
|
|
|
| |||
P |
|
| COMMON |
| |||
T |
|
|
|
|
|
|
|
U |
| - |
| RETURN |
|
| |
T |
|
|
|
|
|
| |
POWER SUPPLY |
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
U |
| + |
|
|
|
|
|
O |
|
|
|
|
|
| LOAD |
T | 2 |
|
|
|
|
| |
|
|
|
|
| |||
P |
|
|
|
|
| ||
T |
| - |
|
|
|
|
|
U |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
•Diagram 3LOOXVWUDWHVFRQQHFWLQJDWZRRXWSXWSRZHUVXSSO\XVLQJWKH UHFRPPHQGHGVHSDUDWHUHWXUQFLUFXLWDUFKLWHFWXUH
|
|
|
|
|
|
U |
| + |
|
|
|
O | 1 |
|
|
| LOAD |
|
|
| |||
P |
|
|
| ||
T |
|
|
|
|
|
T |
| - |
|
|
|
U |
|
|
|
|
|
POWER SUPPLY |
|
|
|
|
|
|
|
|
|
| |
U |
| + |
|
|
|
O |
|
|
|
| LOAD |
T | 2 |
|
|
| |
|
|
| |||
P |
|
|
| ||
T |
| - |
|
|
|
U |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Connecting Output Modules in Parallel
,QFUHDVHGFXUUHQWDWDQ\RXWSXWYROWDJHFDQEHREWDLQHGE\SDUDOOHOLQJWKH
6036HULHVRXWSXWPRGXOHV6LQJOHRXWSXWPRGXOHVFDQHDVLO\EHSDUDOOHOHG with another identicalVLQJOHRXWSXWPRGXOHIRUGRXEOHWKHRXWSXWFXUUHQWRIWKH LQGLYLGXDOPRGXOHV$OOVLQJOHRXWSXWPRGXOHVFDQEHSDUDOOHOHGLQWKLVPDQQHU $OVRWKHPDLQRXWSXWVRIPXOWLSOHRXWSXWPRGXOHVFDQEHSDUDOOHOHG+RZHYHULWLV
LPSRUWDQWWRUHPHPEHUWKDWSDUDOOHOLQJFDQRQO\EHGRQHEHWZHHQRXWSXWPRGXOHV
ZLWKWKHVDPHSDUWQXPEHUHJD8PRGXOHFDQRQO\EHSDUDOOHOHGZLWKDQRWKHU
8PRGXOH3DUDOOHOLQJFDQEHGRQHHLWKHUZLWKWZRLGHQWLFDOPRGXOHVLQWKHVDPH
SRZHUSODWIRUPRUZLWKLGHQWLFDOPRGXOHVLQDQRWKHUSRZHUSODWIRUP8SWRWKUHH
LGHQWLFDORXWSXWPRGXOHVFDQEHFRQQHFWHGLQSDUDOOHO