LWH 8130 fully automatic transformer characteristic comprehensive analyzer Introduction: 1. The following tests for current transformers 1) Excitation characteristic test 2) Turn ratio detection 3) Calibration of ratio difference and angle difference 4) Polarity verification 5) Secondary winding resistance measurement 6) Secondary load measurement 7) 5% and 10% error curve measurement 8) Testing and Analysis of CT Transient Characteristics 9) CT nameplate automatic inference 10) Measurement of CT parameters such as inflection point voltage/current, accuracy limit coefficient, instrument security coefficient, secondary time constant, remanence coefficient, accuracy level, saturation and saturation, inductance, inflection point electromotive force, limit electromotive force, and area coefficient 11) Measurement of hysteresis loop of current transformer core 2. The following tests for voltage transformers 1) PT turn ratio detection 2) PT polarity verification 3) PT secondary winding resistance measurement 4) PT secondary load measurement 5) PT excitation characteristic measurement 3. Main application scenarios 1) Parameter verification of CT nameplate 2) Parameter verification when CT is connected to the current load 3) Analyze the impact of transient characteristics of CT on relay protection devices. 4) Verification of nameplate parameters for PT 5) PT secondary load calibration Technical parameters: Test standards based on: IEC60044-1, IEC60044-2, IEC60044-5, IEC60044-6, GB1207, GB1208, GB16847, GBT4703, C57.13 Input power voltage: AC220V ± 10%, 50Hz/60Hz ± 10% Output voltage: 0.1-180V (AC) Output current: 0.001~5A (RMS) Output power: 500VA Maximum equivalent inflection point voltage: 45KV Current measurement: Range: 0-10A (automatic range 0.1/0.4/2/10A) Error<± 0.1%+0.01% FS Voltage measurement: Range: 0-200V (automatic range 1/10/70/200V) Error<± 0.1%+0.01% FS Measurement of turn ratio: range: 1-35000, error<0.05% for 1-2000, error<0.1% for 2000-5000, error<0.2% for 5000-35000 Phase measurement: accuracy: ± 2min, resolution: 0.01min Secondary winding resistance measurement range: 0~8K Ω (automatic range 2/20/80 Ω/800 Ω/8k Ω), error<0.2% RDG+0.02% FS, maximum resolution: 0.1m Ω Temperature measurement: -50~100 degrees, error<3 degrees CT secondary load measurement: 0-160ohm (2/20/80ohm/160ohm), error 0.2% RDG+0.02% FS maximum resolution 0.001 ohm PT secondary load measurement: 0-80kohm (800ohm/8kohm/80kohm), error 0.2% RDG+0.02% FS maximum resolution 0.1ohm PT turn ratio measurement: range: 1~30000, 1~5000 error<0.2%, 5000~30000 error<0.5% Able to automatically evaluate the test results according to the selected standards and determine whether the transformer is qualified Capable of simultaneously detecting the ratio difference and angle difference of current mutual inductance under rated load and operating load Capable of automatically generating WORD test reports Equipped with the function of batch production of WORD test reports, all selected test files can be made into standardized WORD reports at once Ability to automatically compare excitation curves with stored historical curves Number of data storage groups: greater than 1000 groups Working conditions: temperature: -10 ℃~50 ℃, humidity: ≤ 90% Size: 485mm × 356mm × 183mm Weight: 15Kg
Introduction: 1. The following tests for current transformers 1) Excitation characteristic test 2) Turn ratio detection 3) Calibration of ratio difference and angle difference 4) Polarity verification 5) Secondary winding resistance measurement 6) Secondary load measurement 7) 5% and 10% error curve measurement 8) Testing and Analysis of CT Transient Characteristics 9) CT nameplate automatic inference 10) Measurement of CT parameters such as inflection point voltage/current, accuracy limit coefficient, instrument security coefficient, secondary time constant, remanence coefficient, accuracy level, saturation and saturation, inductance, inflection point electromotive force, limit electromotive force, and area coefficient 11) Measurement of hysteresis loop of current transformer core 2. The following tests for voltage transformers 1) PT turn ratio detection 2) PT polarity verification 3) PT secondary winding resistance measurement 4) PT secondary load measurement 5) PT excitation characteristic measurement 3. Main application scenarios 1) Parameter verification of CT nameplate 2) Parameter verification when CT is connected to the current load 3) Analyze the impact of transient characteristics of CT on relay protection devices. 4) Verification of nameplate parameters for PT 5) PT secondary load calibration
