Current Transformer Test - aka CT Test

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  • HYVA-401 - CT Tester HYVA-401A is a special instrument for testing characteristic of CT; The tester can finish CT transformation ratio test, CT polarity test, volt-ampere feature curve drawing and CT error drawing. It has large output, high precision, stable performance and automatic testing.
    Wuhan Huaying Electric
  • GDVA-401 - CT PT Test Set GDVA-401 is a special instrument for testing characteristic of CT; The tester can finish CT transformation ratio test, CT polarity test, volt-ampere feature curve drawing and CT error drawing. It has large output, high precision, stable performance and automatic testing.
    Chongqing Gold Mechanical
  • GDVA-402 CT/PT - CT PT Test Set GDVA-402 is a special instrument for testing characteristic of CT and PT .The tester can finish CT/PT transformation ratio test, CT/PT polarity test, volt-ampere feature curve drawing and CT error drawing. It has large output, high precision,stable performance and automatic testing.
    Chongqing Gold Mechanical
  • HTFA-IV CT - Current Transformer Analyzer HIFA-IV CT Tester is full-automatic equipment for testing CT characteristics. It can do the tests as below: CT voltage characteristics test, CT polarity test and CT polarity and ratio test. The device can automatically calculate error curve of any point of CT, CT ratio, etc.
    Wuhan Huatian 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 Electric
  • CTPT 81 - Instrument Transformer Calibrators Tests: Ratio error. Excitation current and curve. Polarity CT / PT TESTER
    Udeyraj Electricals
  • HYVA-402 - CT PT Tester HYVA-402 can finish: CT/PT volt-ampere characteristic curve test, CT/PT Polarity test, CT/PT Transformation ratio test, automatically calculate error curve of any CT point.
    Wuhan Huaying Electric
  • 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
  • Mobile Instrument Transformer Test System Testing of current and voltage transformers in middle-voltage, high-voltage and extra-high voltage grids. Accuracy test, polarity check and demagnetisation.
    ZERA GmbH
  • HTFA-V - Current Transformer & Potential Transformer Analyzer HIFA-V is full-automatic equipment for testing CT and PT characteristics. It can do below tests: CT volt-ampere characteristic test, PT volt-ampere characteristic test ,CT polarity test, PT polarity test , CT polarity & ratio test and PT polarity & ratio test. The device can automatically calculate the error curve of any point of CT, CT /PT ratio, etc.
    Wuhan Huatian Electric
  • GDBC-901 - Full-automatic Transformer Turn Rate Tester 1 and IEC60044. The tester could be applied to test the ratio of single or three phase transformer. Also the connection group of three phase transformer could be calculated with the ratio. All parameters are measured in one test for three phase transformer. 2. Main functions and characters 1 Automatically measure transformer connection group 2 Automatically switch range 3 Automatically measure ratio of single or three phase transformer 4 Automatically measure ratio of single or three phase voltage transformer 5 Automatically measure the turn ratio and polarity of single phase CT and VT 6 Calculate ratio error automatically
    Chongqing Gold Mechanical
  • 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
  • PMT20030 - Transformer Polarity Tester A hand held instrument for polarity identification of current, voltage and power transformers with an operable ratio range from 1:1 to greater than 5000:1.
    Power Measurement
  • 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 Electric
  • PEC-BC - Wireless CT Tester The PEC-BC CT transformation ratio tester is a new type of electricity utilization inspection equipment specially designed for HV metering customers. The device can be used to measure transformation ratio and polarity of the CT of measurement equipment in a circuit with 35KV or less without cutting power or changing connection, thereby to prevent electricity stealing by replacing the CT or CT nameplate, or changing the polarity of secondary loop.
    Zhuhai Kehui Electrical
  • GDVA-404 CT/PT - CT PT Test Set 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
    Chongqing Gold Mechanical
  • 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 Electric
  • 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

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