Diagrams; Response Time Profile Power Circuits; Response Time Control Circuits Profile; Response Time Generator Profile - Bender ISOMETER isoRW685W Manual
Insulation monitoring device for it ac systems with galvanically connected rectifiers and inverters and for it dc systems specific to railway applications
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Technical data
13.2 Diagrams
13.2.1 Response time profile power circuits
Response time depending on response value and system leakage capacitance
acc. to IEC 61557-8 (U
= 690 V, f = 50 Hz) measuring range < 10 MΩ
n
100
10
1
1
10
Response value R
13.2.2 Response time control circuits profile
Response time depending on response value and system leakage capacitance
acc. to IEC 61557-8 (U
= 230 V, f = 50 Hz) measuring range < 10 MΩ
n
100
10
1
1
10
Response value R
A
54
100
1000
10000
Ω
[k
]
h
k
an
100
1000
10000
[k
Ω
]
h
R [kΩ]
an
Technical data
13.2.3 Response time generator profile
Response time depending on response value and system leakage capacitance
acc. to IEC 61557-8 (U
10
C
≤ 150 μF
e
C
≤ 50 μF
e
C
≤ 20 μF
e
C
≤ 5 μF
e
1
C
≤ 1 μF
e
0,1
1
13.2.4 Response time high capacitance profile
Response time depending on response value and system leakage capacitance
acc. to IEC 61557-8 (U
C
≤ 150 μF
e
C
≤ 50 μF
e
1000
C
≤ 20 μF
e
C
≤ 5 μF
e
C
≤ 1 μF
100
e
10
1
= 690 V, f = 50 Hz) measuring range < 10 MΩ
n
10
100
1000
Response value R
[k
Ω
]
an
= 690 V, f = 50 Hz) measuring range < 10 MΩ
n
10
100
1000
Response value R
[k
Ω
]
an
isoRW685W-D_D00178_04_M_XXEN/02.2019
C
≤ 5 μF
e
C
≤ 1 μF
e
10000
C
≤ 1000 μF
e
C
≤ 500 μF
e
C
≤ 150 μF
e
C
≤ 50 μF
e
C
≤ 20 μF
e
C
≤ 5 μF
e
C
≤ 1 μF
e
10000
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