Download Smart Motor Manager User Manual

Introduction
1-5
Insulation Aging
7KHDJLQJRILQVXODWLRQPDWHULDOLVDFKHPLFDOSURFHVVWKDWLVDFFHOHUDWHGE\FRQWLQXRXV
RYHUWHPSHUDWXUH,WPD\EHDVVXPHGWKDWDZLQGLQJWHPSHUDWXUHWKDWLVFRQVWDQWO\ .
KLJKHUWKDQWKHWHPSHUDWXUHOLPLWUHGXFHVWKHPRWRUOLIHE\KDOI7KLV´OLIHODZµVKRZVWKDW
SDUWLFXODUDWWHQWLRQPXVWEHSDLGWRDGKHULQJWRWKHSHUPLWWHGRSHUDWLQJWHPSHUDWXUHIRUORQJ
SHULRGVRIWLPH1RWHWKDWRYHUWHPSHUDWXUHVRIVKRUWGXUDWLRQDQGLQIUHTXHQWRFFXUUHQFHGR
QRWVHULRXVO\DIIHFWWKHOLIHRIWKHPDFKLQH
7KH%XOOHWLQ6PDUW0RWRU0DQDJHU
VDELOLW\WRDFFXUDWHO\OLPLWH[FHVVLYHFXUUHQW
FRQGLWLRQVJUHDWO\DLGVLQH[WHQGLQJPRWRUOLIH,QSUDFWLFHLWPD\EHH[SHFWHGWKDWWKHUHZLOO
EHUHGXFHGORDGVDQGSDXVHVVRWKDWZKHQWKHWHPSHUDWXUHOLPLWLVUHDFKHGWKHPRWRUOLIHZLOO
QRWEHLPSDLUHG
Figure 1.5 Reduction in Average Life (EM) of a Motor when Winding is
Continuously Overheated
%
100
EM
ϑG
EM
Average motor life
Temperature limit of the insulation
70
50
25
0
+5K
+10K
+15K
+20K
ϑG
Rotor Temperature
7KHURWRUVRIVTXLUUHOFDJHLQGXFWLRQPRWRUVZLWKVLPSOHFRQVWUXFWLRQQRLQVXODWLRQPD\
FRQWLQXRXVO\DWWDLQKLJKHUWHPSHUDWXUHVWKDQURWRUVLQPRWRUVZLWKLQVXODWHGZLQGLQJV
+RZHYHULQODUJHUPRWRUVWKHFRQFHQWUDWLRQRIWKHURWRUORVVHVGXULQJVWDUWLQJLVKLJKHUWKDQ
WKHFRQFHQWUDWLRQVRIORVVHVLQRWKHUSDUWVRIWKHPRWRU7KHVWDUWLQJWLPHRIVXFKPRWRUVLV
WKHUHIRUHOLPLWHGE\WKHWKHUPDOFDSDFLW\RIWKHURWRU7KHVHW\SHVRIPRWRUVDUHFRPPRQO\
UHIHUUHGWRDV´URWRUFULWLFDOµPRWRUV&ULWLFDOWRWKHURWRUDUHWKHPHFKDQLFDOVWUHVVHVFDXVHG
E\WKHWHPSHUDWXUHULVHXQVROGHULQJRIWKHURWRUEDUVDQGIRU(([HPRWRUVPRWRUVIRUXVH
LQWKHFKHPLFDOLQGXVWU\WKHKLJKWHPSHUDWXUHDVDVRXUFHRILJQLWLRQ
Operational Requirements for Installation
0RQLWRULQJWKHDSSOLFDWLRQSDUDPHWHUVDQGSURFHVVGDWDRIDQLQVWDOODWLRQFDQEHYHU\
LPSRUWDQW(YHQDVOLJKWFKDQJHLQWKHVWDUWLQJDQGRSHUDWLQJEHKDYLRURIWKHPRWRUFDQ
LQGLFDWHDQLPSHQGLQJIDXOW7KH6PDUW0RWRU0DQDJHUKHOSVHOLPLQDWHSRWHQWLDOWURXEOH
EHIRUHPDMRUUHSDLUVDUHQHFHVVDU\DQGORVVRISURGXFWLRQRFFXUV
Publication 825-UM001B-EN-P January 2001