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Service & Info Letters

Service & Device Identification

Current repair times can be obtained from service@a-eberle.de or from your contact person in our sales department.

Device identification document mobile devices

We are happy to offer you a loaner device for the time of the repair. Please contact us via service@a-eberle.de.

Device identification document built-in devices
Import Control System (ICS)

Info Letters

01: Measurement Transformers in three-phase networks (Part 1)
02: Measurement Transformers in three-phase networks (Part 2)
03: The E-coil in general
04: Summation of Alternating Currents
05: Zero sequence voltage in three-phase networks
06: Detection of transient earth faults
07: Load-dependent voltage change
08: Apparent power and reactive power in three-phase networks
09: Voltage regulation with step transformers in parallel to busbars (Part 1)
10: Voltage regulation with step transformers in parallel to busbars (Part 2)
11: Voltage regulation with step transformers in parallel to busbars (Part 3)
12: E-coil control: Resonance curve procedure – Location curve procedure
13: Parallel operation of step transformers
14: Earth fault location using the harmonic procedure (Part 1)
15: Earth fault location using the harmonic procedure (Part 2)
16: Hot-spot temperature and service life of transformers
17: Transient relay for high resistance, intermittent and recurrent earth faults (Part 1)
18: Transient relay for high resistance, intermittent and recurrent earth faults (Part 2)
19: The evaluation of power quality and detection of interference in medium voltage networks
20: Capacitance of conductors
21: The influence of the contact resistance at the earth-fault location on the zero sequence voltage UEN in compensated networks
22: Definition of power measurements according to the standards DIN 40110-2 und IEEE 1459
23: Direction of harmonics Sources of harmonics in the power system

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