ITech IT6000C Series User Manual page 109

ООО "Техэнком" Контрольно-измерительные приборы и оборудование
U S a (V)
79≤U
S
Ri a (Ω)
0.5≤Ri≤4
t (ms)
40≤t
d
d
t (ms)
–
r
a If not otherwise agreed, use the upper voltage level with the upper value for
internal resistance or use the lower voltage level with the lower value for in-
ternal resistance.
The pulse shape and parameters for an alternator with centralized load dump
suppression (Test B) are given in follow.
•
t: Time
•
U: Test voltage
•
t : Duration of pulse
d
•
t : Rising Slope
r
•
U : Supply Voltage for generator in operation (see ISO 16750-1)
A
•
U : Peak voltage
S
•
U *: Supply voltage with load dump suppression (i.e. clamping voltage)
S
Parameter
12V
U S a (V)
79≤U
It is fixed at 35V
U *(V)
here and cannot
S
be set.
Copyright © Itech Electronic Co., Ltd.
≤101 151≤U ≤202
S
1≤Ri≤8
≤400 100≤t ≤350
d
–
Type of system
24V
≤101 151≤U ≤202
S S
As specified by cus-
tomer (typical value
58)
www.tehencom.com
Power Supply Function
10 pulses at 1 min intervals
Minimum test
requirements
5 pulses at 1 minute
intervals
98