Delta PJB-24V100WA, Техническое описание

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TECHNICAL DATASHEET
PJB Open Frame Power Supply
24V 100W 1 Phase / PJB-24V100W
□□
A
All parameters are specified at 25°C ambient and AC input unless otherwise indicated.
www.DeltaPSU.com (October 2020, Rev. 03)
12
Power Boost
𝐷𝐷𝐷𝐷𝐷𝐷𝐷𝐷 𝑉𝑉𝐷𝐷𝑉𝑉𝑐𝑐𝑐𝑐 (%) =
𝑇𝑇
𝑃𝑃
𝑇𝑇𝑇𝑇𝐷𝐷𝑇𝑇𝑐𝑐 𝑇𝑇𝑇𝑇𝑇𝑇𝑐𝑐 ;
( 𝑇𝑇
𝑃𝑃
≤ 10 sec)
𝐴𝐴𝐴𝐴𝑐𝑐𝐴𝐴𝑇𝑇𝐴𝐴𝑐𝑐 𝑂𝑂𝐷𝐷𝐷𝐷𝑂𝑂𝐷𝐷𝐷𝐷 𝑃𝑃𝑇𝑇𝑃𝑃𝑐𝑐𝐴𝐴 ( 𝑃𝑃
𝐴𝐴𝐴𝐴𝐴𝐴
) =
( 𝑃𝑃𝑇𝑇𝑃𝑃𝑐𝑐𝐴𝐴 𝐵𝐵𝑇𝑇𝑇𝑇𝐵𝐵𝐷𝐷 × 𝑇𝑇
𝑃𝑃
) + ( 𝑁𝑁𝑇𝑇𝑁𝑁 - 𝑃𝑃𝑐𝑐𝑇𝑇𝑃𝑃 𝑃𝑃𝑇𝑇𝑃𝑃𝑐𝑐𝐴𝐴 × 𝑇𝑇
𝑁𝑁
)
𝑇𝑇𝑇𝑇𝐷𝐷𝑇𝑇𝑐𝑐 𝑇𝑇𝑇𝑇𝑇𝑇𝑐𝑐
OR
𝑁𝑁𝑇𝑇𝑁𝑁 - 𝑃𝑃𝑐𝑐𝑇𝑇𝑃𝑃 𝑃𝑃𝑇𝑇𝑃𝑃𝑐𝑐𝐴𝐴 =
�𝑃𝑃
𝐴𝐴𝐴𝐴𝐴𝐴
× 𝑇𝑇𝑇𝑇𝐷𝐷𝑇𝑇𝑐𝑐 𝑇𝑇𝑇𝑇𝑇𝑇𝑐𝑐� −
(
𝑃𝑃𝑇𝑇𝑃𝑃𝑐𝑐𝐴𝐴 𝐵𝐵𝑇𝑇𝑇𝑇𝐵𝐵𝐷𝐷 × 𝑇𝑇
𝑃𝑃
)
𝑇𝑇
𝑁𝑁

An example of Power Boost and Average Output Power
Power Boost
Peak Power
(W
P
)
Power Boost
Duration (T
P
)
Duty Cycle
Non-Peak
Power (W
N
)
Non-Peak Power
Duration (T
N
)
Total Time
(T)
200% 206W 10 sec 15% 85W 57 sec 67 sec
200% 206W 5 sec 15% 85W 28 sec 33 sec
160% 165W 10 sec 40% 62W 15 sec 25 sec
160% 165W 5 sec 40% 62W 7.5 sec 12.5 sec
It is not recommended to prolong the duration of Power Boost to be longer than the specified duty cycle calculation, this may cause
damage to the PSU.
Power Boost is the reserve power available
constantly that allows reliable startup to
support sudden and short spike of loads with
high inrush current typically during turn on to
remove the need of more expensive higher
rated power supply unit. After the output has
reached its steady state set value, the power
supply can support surge loads with a higher
short-term power demand up to 200% of
maximum rated load (I
O
Max), for a
maximum duration of 10 seconds. The
Power Boost is also available to repeatedly
basis with according to the condition of an
average (R.M.S) output power shall not
exceed continuous operating condition or
refer to duty cycle calculation below.
Fig. 2 Duty Cycle Calculation