Current Transformer Test - aka CT Test

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  • CTER-91 - Current Transformer Excitation, Ratio and Polarity Test Set With Model CTER-91 current transformers can be tested while mounted in transformers, oil circuit breakers breakers or switchgear - without moving bushings and CTs. Using the voltage-comparison method, Model CTER-91 provides a variable-voltage output up to 1000 volts and precision instrumentation for testing single and multi-ratio CTs.
    Megger
  • SFH141 - Instrument Transformer Characteristics Tester This instrument is especially designed to test volt-ampere characteristics, transformation ratio and polarity differences for relay protection testing current transformers. It is also used to judge the polarity of transformers, as a multi-functional instrument with excellent cost performance. The instrument takes use of transformer with special winding method, as well as high efficiency, low consume materials.
    Shanghai Launch Electric
  • DTR 8510 - Motor / Transformer Testers The DTR® Model 8510 is a portable digital transformer ratiometer designed for on-site testing of power, potential and current transformers. When connected to a non-energized transformer, the DTR® Model 8510 accurately measures primary to secondary turns ratio, while simultaneously displaying polarity and excitation current. The DTR® is fully automatic and uses an ANSI/IEEE compliant test method.
    AEMC Instruments
  • HYBC-901 - Transformer turn ratio tester Test functions
    1. The voltage ratio measurement of three or singe phase transformer
    2. The group vector measurement of three phase transformer.
    3. The polarity measurement of single phase transformer or CT/PT
    (CT that knee-point voltage should be more than 80V)
    4. Voltage ratio error calculation
    5. Voltage ratio range calculation of three phase transformer
    6. Current transformer ratio measurement
    7. Excitation current measurement in ratio testing
    8. Reproduction the AC test voltage from power source to reduce the effects of bad power source
    9. Save the test results in the memory internal the tester
    10. Print the test results by micro printer
    11. Reverse connection detect unit to prevent the high voltage injected to the operate
    12. Over current protection in test voltage
    13. Upload the test results to make word report by RS232 interface
    Wuhan Huaying Power
  • VIC 600 - Instrument Transformer Test Set This transformer testing device is designed to perform different tests on current transformer such as testing of excitation curve, ratio and burden, polarity and resistance of the burden.
    ISA Srl
  • CTC780B - Current/Voltage Transformer Analyzer CTC780B current transformer tester used to measure CT and PT excitation, ratio, polarity, secondary winding resistance, CT secondary circuit burden and so on testing work.
    Shijiazhuang Handy
  • MPCT01 - Portable CT test equipment Main features and technical index Suitable for field testing of all kinds of current transformers upto 400KV for parameters like ratio, polarity, excitation and saturation curve.
    Zhengzhou Great Electric
  • CT Analyzer - Current Transformer Analyzer Current transformer testing in a multifunctional instrument performing excitation, ratio, polarity and winding resistance tests on current transformers as well as burden impedance measurement.
    Omicron Electronics
  • MCT1605 - Ratio and Polarity Test Set The Megger MCT1605 test set is a lightweight, robust, portable unit used to automatically or manually perform saturation, ratio, polarity, demagnetizing tests and insulation tests on current transformers. The MCT provides a microprocessor controlled variable voltage output and precision instrumentation for automatically testing single and multi-ratio CTs. The MCT1605 possesses microprocessor controlled output voltage with precision instrumentation and storage, reducing testing time and increasing productivity. The MCT1605 will directly connect to multi ratio CT’s and perform all three tests – saturation, ratio and polarity – on all taps with the push of a button and without changing leads. The MCT1605 has a large display, permitting the user to easily read all pertinent data while the test is being performed and providing the ability to view the current transformer’s saturation curve.
    Megger
  • CT/PT Testing Measures / Plots and Saves Current Transformer Excitation Current Curve Verifies polarity Verifies Ratio On-board database for result storage and later download for printing and archiving Safe control panel with no test voltages close to user Very Portable and easy to use
    Intrax Systems Pvt
  • Test 6 - Auto Current Test 6 Current Transformer Test Set. The Auto Current Test 6 does comprehensive Current Transformer Tests, being Magnetization, Ratio and Polarity.
    Transformer Test
  • T 2000 - Transformer Test Set This portable current transformer test set allows to perform many different measurements such as saturation, ratio and polarity tests and CT winding resistance test. Substation maintenance and commissioning test equipment T 2000 is extremely appreciated by electrical engineers for its high accuracy and portability.
    ISA Srl
  • HYVA-404 - CT PT Analyzer Application
    Tests for current transformer:
    1)Excitation curve and parameters test
    2)Turns ratio test
    3)Ratio and phase error test
    4)Polarity mark check
    5)Winding resistance measurement
    6)Secondary loop burden measurement
    7)Error line curve test for protection CT
    8)Transient CT parameters test
    9)CT nameplate guess
    10)Saturation hysteresis loop curve measurement
    Tests for voltage transformer:
    1)Turns ratio and phase angle error test
    2)Polarity test
    3) Secondary burden test
    4) Winding resistance test

    Applications for CTPT analyzer:
    1) CT nameplate check
    2) CT parameters check in work burden
    3) CT transient parameters analysis
    4) CT ratio and phase error calibration
    5) PT routine test
    Wuhan Huaying Power
  • HYVA403 - CT ANALYZER Application
    Tests for current transformer:
    1)Excitation curve and parameters test
    2)Turns ratio test
    3)Ratio and phase error test
    4)Polarity mark check
    5)Coil resistance measurement
    6)Secondary loop burden measurement
    7)Error line curve test for protection CT
    8)Transient CT parameters test
    9)CT nameplate guess
    10)Saturation hysteresis loop curve measurement

    Applications for CT analyzer:
    1) CT nameplate check
    2) CT parameters check in work burden
    3) CT transient parameters analysis
    4) CT ratio and phase error calibration
    Wuhan Huaying Power
  • GF106-F - CT/PT Analyzer Main Features 5.7' inches LCD screen Test standards: IEC60044-1, IEC60044-2, IEC60044-5, IEC60044-6, C57.13 Tests for current transformer: Excitation curve and parameters test Turns ratio test Ratio and phase error test Polarity mark check Secondary winding resistance measurement Secondary loop burden measurement 5% and 10% error curve measurement Transient CT parameters test CT nameplate guess CT parameters test (inflection point voltage/current, accuracy limit factor, secondary time constant, remanence coefficient, saturated/unsaturated inductance and many more features...) Tests for voltage transformer: PT excitation curve test PT turns ratio test PT polarity test Secondary winding resistance measurement Applications for CT/PT Analyzer: CT nameplate check CT parameters check in working burden CT transient parameters analysis CT ratio and phase error calibration PT secondary burden calibration
    Beijing GFUVE Electronics
  • PCT 200Li - CT/PT Analyzer The professional CT/PT analyzer for relay current transformer characteristic test, ratio and polarity tests of electromagnetic voltage transformer. The test functions are for protection current transformers to finish the test items: ratio, polarity, volt-ampere characteristic, error curve, accuracy limit factor and composite error, etc.
    Ponovo Power Co
  • EZCT-10 - Current Transformer Test Set The Model EZCT-10 is a microprocessor-based, current-transformer test set. This rugged and portable test set measures excitation current, turns ratio and winding polarity on single- and multi-ratio current transformers. Current transformers can be tested in their field-mounted configuration, eliminating the need to remove bushings or current transformers from the host equipment.
    Vanguard Instruments
  • PAM360E - Phase Angle Meter The PAM360E Digital Phase Angle Meter is specifically designed for measurements on electrical power systems. It is commonly used for phasing out circuits, checking poly- phase metering installations, testing and calibrating protective relays, checking differential relay schemes, and verifying the polarity of current and potential transformers.
    Megger

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Current Transformer Test - measures insulation, excitation current, turns ratio, winding polarity saturation and/or winding resistance.