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

    Sibir-Polymetals, JSC

    The instrument is small and easy to use. We consider instrument best functions to be the ability to measure circuit breaker parameters in one cycle and the ability to view the measured data on the instrument screen. With the help of PKV/M7 instrument, we were able to detect the jam in the switching core of VGT-110 circuit breaker electromagnet on 110/6 Poteryaуvskaya electrical substation. With the help of the instrument, it was possible to detect the malfunction quickly.

    Based on the experience of PKV/M7 operation, we can recommend other organizations to use it.

    A.A. Kolesnikov
    Best wishes, Chief Engineer

  • Open

    Tatarstan Electrical Grids

    In Tatar grids, the branch of RES, JSC, PKV/ M7 instrument manufactured by SKB EP, has been operated since February 2021.

    This instrument is widely used for non-demountable control of speed and travel parameters, time characteristics of oil-blast circuit breakers (VMT-110, S-35, VM-35, VT-35, VMG-10, VMP-10, VMG-133, VK-10, VKE-10) and vacuum circuit breakers (VVTE-10, BB/TEL-10).

    PKV/M7 has showed itself to advantage, when demonstrating reliability, stability, ease of operation. It has high measurement precision and small dimensions.

    PKV/M7 instrument allows you to measure a number of important circuit breakers parameters in one cycle (penetration, time difference, speed, time, etc.), which significantly reduces the time for assessing circuit breakers condition and repairing equipment.

    We recommend PKV/M7 to organizations engaged in maintenance, diagnostic and repair of high-voltage circuit breakers.

    D.V. Zhurkin
    Head of power stations Department

  • Open

    Tyumen Vodokanal, LLC

    Currently, in the electrotechnical laboratory of Tyumen Vodokanal, LLC PKV/M7 instrument is in operation. This equipment is used to analyze the condition of 6-10 kV oil-blast, vacuum circuit breakers. The instrument is convenient for us to use (5 stars out of 5). The following malfunctions were detected with the help of the instrument:
    - non-simultaneous closing of pole contacts;
    - the closing speed of switching devices was less than allowable according to the normative technical documentation.

    PKV/M7 instrument is recommended for use by other organizations.

    V.A.Gursky
    Chief Engineer

  • Open

    Yugorskaya Territorial Energy Company - Pyt-Yakh, JSC

    Nowadays, the following instruments are operated in YUTEC - Pyt-Yakh, JSC, electrotechnical laboratory: MIKO-1, MIKO-7, MIKO-7M. These instruments are designed for preventive measurements and revealing malfunctions of electrical equipment. MIKO-7 and MIKO-7M milli-ohmmeters in our organization are used to measure resistance of 6 and 35 kV power transformers windings. Unlike a DC Bridge, which made similar measurements, MIKO-7 has established itself as a reliable, compact, high-speed instrument during operation and that fact led to MIKO-7M and MIKO-1 purchase. MIKO-1 micro-ohmmeter is used in our organization to measure contact resistance of contacts of 6-35kV oil-blast, vacuum and SF6 circuit breakers. The precision and ease of measurement, with the addition of prompt obtained result, have removed the previous micro-ohmmeter to the shelf with dust, guaranteed.

    For the present, MIKO-1 has confirmed the reputation of SKB EP, LLC as a high-quality and responsible manufacturer of electrical instruments.

    YUTEC - Pyt-Yakh, JSC thanks SKB EP, JSC for the high quality of instruments and the interest shown in its products after the sale.

    A.V. Turutin
    Director of YUTEC-Pyt-Yakh

  • Open

    Kazakhstan Electricity Grid Operating Company (KEGOS), JSC

    Nowadays, KEGOC, JSC uses 28 instruments produced by SKB EP, LLC to check electrical equipment parameters and find defects (PKV - 15 pcs., MIKO - 10 pcs., PKR - 2 pcs., PUV- 1 pcs.).

    PKV/M7 instruments are actively used to measure speed and time parameters of high-voltage circuit breakers of all types and voltage classes. PKV/M7 software makes it possible to create and maintain an archive of measurements, including the ability to enter factory test data, consequently, that allows you to conduct a primary analysis of the equipment diagnostic results directly at the workplace. 

    MIKO instruments have been used for ten years. Besides simplicity in operation and small dimensions, they have proven themselves to be precise and reliable tools in measuring contact resistance to electric current. During operation, it is used on almost all equipment with a voltage above 10 kV. The instrument is convenient to operate, easy to handle and has an autonomous power supply.

    PKR-2M instruments have been used since 2019. The use of this instrument allows you to significantly reduce the time spent on the repair of the autotransformer and spent resources, because the switch is analyzed without opening, draining the oil and disassembly of the contactor. The presented information is very convenient as well as the storage of measurement results in graphical or tabular form in the instrument memory.

    Based on operational experience, KEGOC, JSC recommends instruments manufactured by SKB EP, LLC to organizations working in the electrical equipment maintenance and adjustment.

    B. Arystanov
    Director of Operations Department

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