Power Electronics SD700SP Series, Hardware And Installation Manual

Page: 26 / 61

SD700SP POWER ELECTRONICS
24
MECHANICAL INSTALLATION
SD700SP gratings and fans
FRAMES
ID
1 2 3 4 5
6 7
AREA 2
OPERATION FLOW (m
3
/h) (*) D 64-77 239-287 306-367 342-410 396-475 486-583 720-864
INLET GRATING NET SECTION (m
2
) A 0.081 0.016 0.025 0.031 0.034 0.064 0.101
OUTLET GRATING NET SECTION (m
2
) D 0.003 0.013 0.017 0.019 0.022 0.027 0.040
AREA 3
OPERATION FLOW (m
3
/h) C - - - 180 360 720 1080
INLET GRATING NET SECTION (m
2
) B 0.081 0.016 0.025 0.031 0.034 0.041 0.041
Valid table for the SD700SP without the solar kit
Heat dissipation
The heat generated by the SD700SP without the solar kit depends on the carrier frequency (Hz), the grid
frequency and the load. It could be estimated by the following equation. Rated power condition is the
worst case.
P
loss
[W] = 0,02 · P
motor
[W]
(*)The air velocity, which passes through the gratings, varies between 5 and 6 m/s depending on the blocking of the
gratings.