Reviews

Micromillikilloohmmeter MIKO-2.3
OLTC analyzer PKR-2
Circuit breaker analyzer PKV/M6N and microohmmeter MIKO-1
Circuit breaker analyzer PKV/M6N
Modern microohmmeter MIKO-21
Circuit breaker analyzer PKV/M7
  • Open

    Penzaenergo, the branch of Rosseti Volga, PJSC

    The high-voltage circuit breaker analyzers PKV/M6N are actively used in our company. Two instruments have been in the operation – the first one since 2017 and the second one since 2018. The instruments are simple and convenient to use. They allow us to easily assess condition of high-voltage circuit breakers without demounting and consequently reduce the labor input. With the help of these instruments we measure characteristics of MKP-110, U-110, VMT-110 high-voltage circuit breakers, as well as high-voltage circuit breakers up to 35 kV.

    During the operation of the above-mentioned instruments, no negative comments were revealed.

    R.I.Seifutdinov
    Deputy chief of the electric power substation department

  • Open

    NILED, LLC

    At present the accredited testing laboratory ArmEnergoTest of NIELAND, LLC uses MIKO-10 that is manufactured by "SKB EP", LLC. This instrument has been in operation since 2021. The instrument is used for checking the contact resistance of linear hardware for VL-0.4-6-10 kV. The instrument has proved to be a great one: MIKO-10 is functional and simple, it has a convenient interface and compact size. The main advantage of this instrument is the ability to work from an accumulator battery, which charge is enough to carry out at least 1,000 measurements. There were no malfunctions of MIKO-10 detected during the year of its operation.

    We express gratitude to SKB EP, LLC for the manufacture of high-quality and reliable products. We hope for further fruitful cooperation.

    A.N.Zaharov
    Director General

  • Open

    Western main power networks the branch of KEGOC, JSC

    There are the following instruments for control and diagnostic in the Testing and diagnostic Department of the branch of KEGOC, JSC "Western main power networks":

    The high-voltage circuit breaker analyzer PKV/M5 (with the serial number 7) has been in the operation since 2001 and has been working without problems for more than 18 years. It is easy to use digital indication during the preparation of the instrument as well as during time and speed parameters measurements of oil HV circuit breakers MKP-110, VMT-110B, VMT-220B types. The maintenance operations were carried out effectively and on time. The instrument has been taken out of production nowadays.

    Universal multipurpose low / high resistance meter MIKO-2.3 (the serial number 063) has been being used in the testing department since 2017. It qualitatively measures the DC resistance of contacts of high-voltage circuit breakers of all types, of measuring and power transformers windings. The usability, convenient and clear digital indication of the instrument led to significant reduction in working time when conducting measurements on electrical equipment with a voltage class from 0.4 kV to 220 kV. Some defects were detected in the power contacts of high-voltage circuit breakers due to the formed burnings.

    "Western main power networks" the branch of KEGOC, JSC thanks SKB EP, LLC for convenient and high-quality instruments production and also hopes for further collaboration.

    K. Chernohaev
    Director

  • Open

    The branch of FGC UES, PJSC - Karelian enterprise of the main power networks

    A high-voltage circuit breaker analyzer PKV/M7 is operated in the branch Karelian enterprise of the main power networks of FGC UES, PJSC.

    During operation, I may note positive operation of the instrument in the diagnostic of such HV circuit breakers as U-220, U-110, VMT-220, VMT-110 and the ease of use.

    The instrument measures the speed and time parameters of a HV circuit breaker operation well, carries out simultaneous measurement in three phases. Also it has a wide variety of attachment devices, which help install transducers on different HV circuit breakers and help make a connection with every computer.

    The ability to make measurements (triggering) of a HV circuit breaker, as well as the opportunity to obtain results in the specialized software allow to significantly reduce the operation time. A special software helps analyze, predict and eliminate various defects immediately on the spot of operation.

    We recommend all companies operating high-voltage circuit breakers and electrical laboratories performing HV circuit breaker diagnostic the usage of these instruments.

    R.A. Valiev
    Acting First Deputy General Director – Chief Engineer – Deputy Chief Engineer – Chief Dispatcher

  • Open

    Yamalo-Nenets enterprise of the main power networks the branch of FGC UES, PJSC

    Yamalo-Nenets enterprise of the main power networks the branch of FGC UES, PJSC thanks your company SKB EP, LLC for the fruitful cooperation in the supply of measuring instruments for the diagnostic of high-voltage equipment. We also thank you for prompt, professional work and individual approach, as well as for the high quality of instruments and its components.

    Our company operates such instruments as MIKO (10 pcs.), and PKV (10 pcs.) manufactured by SKB EP, LLC.

    These instruments are used to determine repair quality of high-voltage circuit breakers and disconnecting switches. The contact resistance of the current-carrying circuit, the time and speed characteristics of HV circuit breakers are checked with a help of them.

    The instruments are very convenient, they give an opportunity to identify the worsened condition of contact connectors on HV circuit breakers and of disconnecting switches. They reduce the time for detecting a defect and prevent accidents and technological disturbances. The defects are periodically identified. That fact allows us to schedule a necessary repair work on time and maintain the equipment in a good working condition.

    We recommend these instruments for use in organizations, which operate high-voltage equipment.

    Thank you for your help in solving our production tasks and sincerely hope for further mutually beneficial cooperation.

    S.I.Kandiano
    Acting Chief Engineer-Deputy Director

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