Articles
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The PKR-2M testing at OJSC ZAVOD RETO Company
Early in December the SKB EP specialists together with specialists of OJSC ZAVOD RETO conducted multi-disciplinary tests of new software of the PKR-2M instrument for the transformer LTC diagnosis. Tests were performed on the maintained transformer with LTC device of RS-9 type.
9 december 2015 -
Field of application of micromillikiloohmmeter MIKO-2.3
MIKO-2.3 is a portable mini-laboratory allowing performing of all tasks connected with resistance measurement in electrical equipment as this instrument operates in four modes: microohmmeter, milliohmmeter, kiloohmmeter and thermometer.
7 september 2015 -
Field tests of new instruments at Irkutsk Hydroelectric Power Station
At the end of July field tests of a new microhmmeter MIKO-21 were carried out on Irkutsk Hydroelectric Power Station High-Voltage Electric Equipment Site.
6 august 2015 -
Testing of PKR-2M in OJSHC "ELEKTROZAVOD"
At the end of June, tests of the new control instrument for PKR-2М OLTCs VACUTAP MR on TRDTSN-200 MBA 220/11 kV power transformer with OLTC have been carried out.
30 june 2015 -
Detection of faults in the transformer LTS devices. Enhanced DRM method
For revealing the causes of LTC failures and for automation of the diagnosis the SKB EP Company entered the instrumentation market with the PKR-2 and PKR-2M instruments for the transformer LTS testing. Their main function is recording the oscillograms of contators operation and the circular diagram across all the phases at a time.
20 march 2015 -
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