Small water power plants
Bender

Small water power plants

Operating small hydropower plants safely with the right components

The electrotechnical monitoring is carried out as usual with generators, depending on the System (IT, TN) for the insulation value or for existing fault currents Residual currents. Furthermore, the frequency and voltage must also be within a certain voltage must also be within a certain band in order to be fed into the public grid.

ISOMETER IR425-D4

Monitoring insulation resistance in unearthed AC/DC control circuits (IT systems)
Article no.
Type
Nominal mains voltage
Supply voltage
Response value
Mains leakage capacitance
B.71036403
IR425-D4-1
IR425-D4-1
DC/AC 0...300 V, 15...460 Hz
DC 9.6...94 V/ AC 16...72 V, 15...460 Hz
1...200 kΩ
< 20 µF
B.71036402
IR425-D4-2
IR425-D4-2
DC/AC 0...300 V, 15...460 Hz
DC 70...300 V/ AC 70...300 V, 15...460 Hz
1...200 kΩ
< 20 µF

LINETRAXX VMD460-NA

Mains and system protection with preset basic programs
Article no.
Type
Supply voltage
Function
Function
B.93010045
VMD460-NA-D-2
VMD460-NA-D-2
AC/DC 100...240 V
Permanent monitoring
Remote shutdown
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