Articles
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OLTC devices diagnostic: many questions – one solution!
Diagnostic with a universal instrument in time will allow you to assess the condition of the device, localize defects or malfunctions and check the equipment after repair
18 october 2023 -
Comparison of SKB EP transformer OLTC diagnostic systems
SKB EP company implements 2 specialized instruments for OLTC diagnostic - PKR-2 and PKR-2M, as well as 2 instruments MIKO-9A and MIKO-8M(A), where diagnostic of this mechanism is realized as an additional mode. In the summary comparison table, the differences between the instruments are considered.
21 june 2022 -
Non-demountable periodic inspection – solution to the problem of operating worn-out electrical equipme
A distinctive feature of the SKB EP instruments is the ability to diagnose a circuit breaker without disassembling it, without draining the oil and disconnecting the shunt resistors, etc. Theyinspect all the mechanical parts and components of the circuit breaker at once, as well as check several characteristics of the assembly simultaneously.
13 may 2020 -
SKB EP, a Russian manufacturer, enters the world market!
At the beginning of this year, the first presentation and delivery of SKB EP equipment to the state energy company, which distributes electricity in 74 provinces of Thailand (Asia), took place. Only new markets are ahead!
20 december 2019 -
The diagnostic features of power transformer’s OLTC
On-load tap changer (OLTC) in a power transformer is a complex and insufficiently reliable power transformer component. Malfunction in this device may cause serious damage to the transformer as a whole.
9 december 2019 -
Integrated Testing of SKB EP Instruments
In early April, SKB EP specialists have conducted an integrated testing at 110/35/10 "Pivovariha" substation, where the following instruments have been used: instruments for control and testing of high-voltage circuit breakers; instruments for resistance measurement (microohmmeters and milliohmmeters) and instruments for control of transformer OLTCs.
20 april 2019 -
Diagnostic of transformer's OLTC with a modern instrument PKR-2
The PKR-2 specialized instrument significantly automates the process of checking the OLTC devices. PKR-2 is the second version of PKR-1 already proven in the market, which has received a lot of positive feedback and recommendations.
17 june 2018 -
Peculiarities of Checking the State of the RNTA 35/320 OLTC Closing Switch
Parameters of the closing switch change-over oscillogram are among the indicators reflecting the state of high-speed OLTC devices.
30 june 2017 -
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