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Product overview
(1) This device adopted program controlled source in the fine tuning, making it faster and more precise for point location.
(2) We have made essential progress in multi-CT test. This machine can detect 12 CTs of any transformation ratio in just 3 to 5 minutes.
(3) Now let’s cover some major parts of the device. The standard CT has 1A and 5A to choose from. The current load case has 1A and 5A to choose from, and its load is from 2.5VA to 80VA. The voltage load case has 100V,100/√3V, 110V,110/√3V to choose from, and its load is from 1.25VA to 158.75VA. Besides, the load cases will switch automatically during the test. In total, this machine can meet the general need of users.
(4) The machine can perform regular or irregular test to transformers. And during the process, it can test any part as the user wants.
Technical Parameters
Environment Conditions
Temperature: 5°C~40°C
Relative humidity :<80%(25°C)
Altitude :<2500m
Power Frequency:50Hz ±0.5Hz
Power Voltage:220V±5V
Parameters about HGQA-C Transformer Calibrator
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Working Condition |
5℃-40℃ Relative humidity:<80%(25℃) Altitude: <2500m Power Frequency: 50Hz±0.5Hz Power Voltage: 220V±5V |
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Measuring Range
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In-phase component(%):0.0001~200.0 Resolution: 0.0001 Orthogonal Component (min):0.001~ 700.0 Resolution: 0.001 Impedance(Ω):0.0001~20.0 Resolution:0.0001 Admittance(ms):0.0001~20.0 Resolution:0.0001 |
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Basic Error |
In-phase Component: ΔX=±(X×2%+Y×2%)±Dx (with Class 1 to spare) Orthogonal Component (with Class 1 to spare) “X”,“Y”——Values Displayed “Dx, Dy”——Quantified Error Dx=2, Dy=5 Percentage: Class 2 (with Class 1 to spare) |
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Working Range |
(1) Current:(1%-149%)In (In =5A) (5%-149%)In (In =1A) (2) Voltage:(5%-149%)Un (Un =100V,150V,100V/ ) (5%-200%)Un (Un =100V/3) |
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Work Load |
(1) Current: TO to TX<0.12Ω cosΦ=1.0 (2) Voltage: a to x<0.25VA (100V) |
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