Bender ISOMETER isoPV with AGH-PV, Manual

Page: 43 / 72

Operation and setting
43 isoPV_D00024_02_M_XXEN/07.2018
6.5.4 Setting the repetition time for the automatic self test (Autotest: 24h)
The time for the repetition of automatic self tests can either be set to 1 hour or to 24
hours or can be deactivated.
Factory setting = 24 h
Setting the parameter
C
e max
150μF 500μF 2000μF
Profile
setting
Description
Response time
t
an
(acc. to IEC
61557-8)
R
an
= 1kΩ
C
e
= 1μF
Response time
t
an
R
an
= 1kΩ
C
e
= 200μF
Response time
t
an
R
an
= 1kΩ
C
e
= 2,000μF
DC
Standard measurement
method using a DC
measuring voltage for
pure AC systems
< 3s
DC measure-
ment method
permissible for
C
e
< 10μF only
DC measure-
ment method
permissible for
C
e
< 10μF only
AMP
Standard measurement
method using the pulse
measurement method for
AC/DC systems at system
frequencies > 10Hz
< 16s < 40s < 150s
AMP2
Optimised measurement
method using the pulse
measurement method for
AC/DC systems at system
frequencies < 10Hz
< 30s < 50s < 200s
AMP3
Optimised measurement
method for
photovoltaic plants
with crystalline cells
or AC/DC system at sys-
tem frequencies < 1Hz
< 140s < 140s < 300s
AMP4
Optimised measurement
method for
photovoltaic systems with
thin-layer cells
(factory setting)
< 370s < 400s < 500s