2.5.3
Operate and Reset Time
Attribute
t
Overload trip operate time
op
Repeatability
Note:- Fastest operate time is at 10 xIs
©2010 Siemens Protection Devices Limited
7PG2113/4/5/6 Performance Specification
Value
⎧
⎫
−
2
2
I
I
=
τ
×
⎨
⎬
P
t
ln
(
)
−
×
2
2
⎩
⎭
I
k
I
B
where I
= prior current
P
± 100ms
, ± 5 % absolute or ± 100ms,
Chapter 3 Page 19 of 42