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Author: Nasir Anwar

Home > Articles posted by Author: Nasir Anwar

Testing & Diagnostics Services

Posted on June 17, 2022June 17, 2022 by Nasir Anwar
0

Transformer testing in pakistan Motor Testing Services in Pakistan Testing Services in Pakistan Oil Dehydration in Pakistan

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Winding Ohmmeter

Posted on June 14, 2022June 14, 2022 by Nasir Anwar
0

Many different tests are performed on rotating machines to determine their state and discover possible future failures. One of the tests that are used to determine electrical problems is the DC winding resistance measurement. For the purpose of measuring low resistance accurately, winding ohmmeters such as RMO-M Series are used. Simple and quick reliable DC resistance measurement […]

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Transformer Demagnetizer

Posted on June 14, 2022June 14, 2022 by Nasir Anwar
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The transformer magnetic core may become magnetized as a result of DC current testing (such as winding resistance measurement), or when the transformer is taken out of service. In order to avoid problems such as the incorrect operation of protective relays, high inrush currents or erroneous diagnostics, it is recommended to perform demagnetization to eliminate this […]

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Turns Ratio Tester

Posted on June 14, 2022June 14, 2022 by Nasir Anwar
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Transformer turns ratio testers from TRT series are DV Power instruments mainly designed for the measurement of power transformer turns ratio. Also, they measure transformer excitation current and phase shift. Special tests, such as automatic vector group detection and magnetic balance, can be performed on three-phase transformers and three-phase autotransformers. All models, except TRT03 and TRT-H series, have […]

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Winding Resistance Meter & Tap Changer Analyzers

Posted on June 14, 2022June 14, 2022 by Nasir Anwar
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Winding resistance test of inductive test objects, such as power transformers, is one of the most effective non-intrusive ways of checking its condition. Due to their advanced design, DV Power winding resistance meters provide high test currents (up to 100 A DC) and high accuracy (up to 0.1%) within light and portable test instruments. In […]

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Disconnector Analyzer

Posted on June 14, 2022June 14, 2022 by Nasir Anwar
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Disconnector analyzers may have a large number of features and applications, but the most important one is the ability to measure the current, voltage and power of a specific motor drive. The usage and the diagnosis advantages of an analyzer can improve the operations and extend the life of the electrical motor. Another parameter to […]

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CB Analyzers & Timers

Posted on June 14, 2022June 14, 2022 by Nasir Anwar
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CAT circuit breaker analyzers and timers are advanced standalone or a PC controlled instruments for circuit breaker maintenance. Typical application areas of CAT instruments are medium and high voltage substations at electric power generation, transmission, and factories of switchgear. Also, industrial environments and electric power distribution are suitable application areas for these circuit breaker testing […]

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Coil Analyzers & Power Supply Units

Posted on June 14, 2022June 14, 2022 by Nasir Anwar
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Coil analyzers and power supply units are portable and lightweight devices intended for use in harsh switchyard and industrial environments. The typical application is switchgear and circuit breaker testing when substation battery is not connected or available. An advantage over substation battery is enabled testing in under-voltage and over-voltage conditions. Furthermore, the stable voltage outputs […]

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Micro-Ohmmeters

Posted on June 13, 2022June 13, 2022 by Nasir Anwar
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Contact resistance measurement is one of the most important and common tests during switchgear manufacturing, commissioning and maintenance stages. Besides switchgear testing, the RMO digital micro-ohmmeters are designed for simple, safe and efficient testing of: disconnecting switches, high-current bus bar joints, cable splices, welding joints, and different high-current links in factory and high-induction field environments. […]

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Motor Testing

Posted on June 13, 2022June 13, 2022 by Nasir Anwar
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Winding ohmmeters RMO-M series measure winding resistance of inductive test objects such as electrical motors and generators. Motor test or generator test of winding resistance is especially important for early-stage failure detection. RMO-M series instruments generate true DC ripple-free current with automatically regulated measurement and discharge process. Even more, test instruments are portable and enclosed in […]

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