Xylem IM226R02 CP-Series Submersible Motors - Manual (Page 23)

CP-Series Submersible Motors Installation, Operation and Maintenance Manual 21
XI. Motor Cooling, Temperature Ratings
6" CP-SERIES MOTORS
Table of Power Reduction Coefficients with Increased Water Temperature
Motor Rated
Temperature
Type Power
ºC
kW 25 30 35 40 45 50 55 60
6" (1) all models 1 0.85 0.74 – – – – –
6" (2) all models 1 1 1 1 1 0.85 0.75 0.67
(1) Standard winding for water temperature up to 35º C. (2) Special winding for water temperature from 35º C to 60º C.
EXAMPLE:
A 15 kW 6" motor is to be used in 35º C water. Motor power at 35º C = 15 x 0.74 = 11.1 kW.
8" CP-SERIES MOTORS
Table of Power Reduction Coefficients with Increased Water Temperature
Motor Rated
Temperature
Type Power
ºC
kW 25 30 35 40 45 50 55 60
8" (1) all models 1 0.85 0.74 – – – – –
8" (2) all models 1 1 1 1 1 0.85 0.75 0.67
(1) Standard winding for water temperature up to 35º C. (2) Special winding for water temperature from 35º C to 60º C.
EXAMPLE:
A 55 kW 8" motor is to be used in 35º C water. Motor power at 35º C = 55 x 0.74 = 40.7 kW.
10" CP-SERIES MOTORS
Table of Power Reduction Coefficients with Increased Water Temperature
Motor Rated
Temperature
Type Power
ºC
kW 77 86 95 40 45 50 55 60
10" (1) all models 1 0.85 0.74 – – – – –
10" (2) all models 1 1 1 1 1 0.85 0.75 0.67
(1) Standard winding for water temperature up to 35º C. (2) Special winding for water temperature from 35º C to 60º C.
EXAMPLE:
A 110 kW 10" motor is to be used in 35º C water. Motor power at 35º C = 110 x 0.74 = 81.4 kW.
12" CP-SERIES MOTORS
Table of Power Reduction Coefficients with Increased Water Temperature
Motor Rated
Temperature
Type Power
ºC
kW 25 30 35 40 45 50 55 60
12" (1) all models 1 0.85 0.74 – – – – –
12" (2) all models 1 1 1 1 1 0.85 0.75 0.67
(1) Standard winding for water temperature up to 35º C. (2) Special winding for water temperature from 35º C to 60º C.
EXAMPLE:
A 220 kW 12" motor is to be used in 35º C water. Motor power at 35º C = 220 x 0.74 = 162.8 kW.
Motor Cooling, Temperature Ratings