The overvoltage strength describes the behaviour of the system in case of overvoltage regarding supply connections, which can be created by a jump start, e.g. The voltage wave form ( <overvoltage-res-prms>, in the most simple way defined by corresponding voltage and time specifications), the operating state ( <oper-mode-refs>), the function state ( <fuction-state-ref>), and the fault description ( <failure-desc>) can be defined. By defining various overvoltage strength tests, a number of different requirements, e.g. static overvoltage, jump start, boost charge etc. can be defined.
The description of the overvoltage strength is valid for all electrical connections (there is no reference to any electrical connection). If there are different descriptions for some electrical connections, a further description of the overvoltage strength is defined for each difference (with reference to the concerned connection).
In addition to the a.m. statements there can always be given additional specifications, e.g. the test set-up.
Figure 19: Structure of overvoltage strength test
Example for content:
Representation example of overvoltage strength
Denomination
|
Abbreviation
|
Min
|
Type
|
Max
|
Abs
|
Tol
|
Unit
|
|
Overvoltage
|
U
|
|
30
|
|
|
|
V
|
1
|
Test duration
|
tP
|
19
|
20
|
21
|
|
|
s
|
|
Test voltage
|
UP
|
|
15,0
|
|
|
|
V
|
|
Test temperature
|
T
|
17
|
22
|
27
|
|
|
°C
|
|
Number of tests
|
n
|
|
5
|
|
|
|
|
|
Interval between tests
|
t
|
|
10
|
|
|
|
s
|
|
Figure 20: Voltage characteristics
Operating state : starting phase
Function state: B
Fault description: Output C2 activated
|