Articles
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Detection of faults in the reactor devices of LTC by recording circular diagrams
According to codes, LPC tests shall mandatorily include tests of the operation sequence of switching device contactor versus the angle of shaft drive turn, in other words, they require circular diagrams recording.
4 february 2015 -
Selection of a universal analyzer for the transformers, electric machines and switching equipment
The MIKO-2.3, a universal lightweight instrument, is capable to replace at competitive price the whole set of special-purpose instruments with the same range of functions.
20 october 2014 -
The MIKO-8 milliohmmeter with a function of non-destructive testing of the transformer LTC condition
The MIKO-8 is a high-precision instrument for measuring the winding resistance of any electric equipment and for non-destructive control of transformer LTC (load tap changer).
13 october 2014 -
Instruments for transformer LTC diagnosis
According to statistical data, 40% of emergencies at transformers are due to LTC (load tap changer) failures.
11 november 2013 -
Defects detected in power transformers with the MIKO-2.3 device
By measuring the ohmic resistance of transformer windings, the MIKO-2.3 detects such defects as break of one or several parallel wires in the taps-off, soldering defects, poor connection of winding taps-off to terminals, etc.
16 september 2013 -
Procedure of the MIKO-2.3 MicroMilliKiloOhmmeter operation on a HV circuit-breaker
The MIKO-2.3 operation on a HV circuit-breaker for transient resistances measurement using external potential contacts.
20 may 2013