Electric Transformer Winding Deformation Distortion Tester Sweep Frequency Response Analysis
China Electric Transformer Winding Deformation Distortion Tester Sweep Frequency Response Analysis, Find details about China Transformer Tester, Sweep Frequency Response Analyzer from Electric Transformer Winding Deformation Distortion Tester Sweep Frequency Response Analysis
Basic Info.
Model NO.
hm5010
Model NO.
hm5010
Product Desciption
Electric transformer winding deformation distortion tester sweep frequency response analysis
I. Overview
Transformer winding deformation tester based can make accurate diagnosis on the transformer internal fault based on the measurement of the characteristic parameters of transformer windings inside, using the frequency response analysis (FRA) method developed and improved by the developed countries.
Transformer winding deformation tester is to determine the degree of changes in internal windings of the transformer based on the quantity of change, magnitude and region affecting change and tendency of frequency response change which are quantized from the response changes in different frequency domains of transformer's internal winding parameters, and then it can help you determine whether the transformer has been severely damaged, or need a major overhaul in accordance with the measurement results.
Transformer winding deformation tester is constituted by a laptop computer and Microcontroller forming a precision measurement system with the compact structure, easy operation, and a more complete test analysis function, which can be operated referring to the instruction manual or through short-term training.
II. Main Technical Characteristics
1. Acquisition and control using high-speed, highly integrated microprocessor.
2. Communication USB interface used between a laptop and instrument.
3. Wireless WIFI interface (optional) used between the laptop computer and instrument.
4. Hardware adopts dedicated DDS digital high-speed scanning technology (USA), which can accurately diagnose the faults like winding distorted, bulged, shift, tilt, inter-turn short-circuit deformation and inter-phase contact short-circuit.
5. High-speed dual-channel 16-bit A/D sampling (in field test, move tap changer, and the wave curve shows obvious change) .
6. Signal output amplitude is adjusted by software, and the peak value of amplitude is ± 10V.
7. The computer will automatically analyze the test results and generate electronic documents (Word)
8. The instrument has dual measurement features: linear frequency scanning measurement and segment frequency scanning measurement, compatible with measurement mode of two technical groups in China
9. The amplitude-frequency characteristics are in line with the national technical specifications on amplitude-frequency characteristics tester. X-coordinate (frequency) has linear indexing and logarithmic indexing, so you can print out the curve with linear indexing and logarithmic indexing. The user can choose either according to actual needs.
10. Automatic test data analysis system,
Compare between A, B, C -phases in winding similarity comparison, and
the analysis results are:
1.excellent consistency
2. good consistency
3.poor consistency
4.rather poor consistency
5.Compare winding deformation by calling the original data and comparing it with the current data of the same phase, namely A-A, B-B, C-C, and the analysis results are:
6. normal winding
7.mild deformation
8.moderate deformation
9.severely deformation
10. Word electronic document can be automatically generated for saving and printing.
III. Main technical parameters
3.1 Scan mode:
1. Linear scanning distribution
Scanning measurement range: (10Hz) - (10MHz) 40000 scanning point, resolution 0.25kHz, 0.5kHz and 1kHz
2. Segment frequency scanning measurement distribution
Frequency scanning measurement range: (0.5kHz) - (1MHz), 2000 scanning points ;
(0.5kHz) - (10kHz)
(10kHz) - (100kHz)
(100kHz) - (500kHz)
(500kHz) - (1000kHz)
3.2 Other technical parameters:
1. Amplitude measurement range: (-120dB) to (+20 dB)
2. Amplitude measurement accuracy: 0.1dB
3. Scanning frequency accuracy: 0.01%
4. Signal input impedance: 1MΩ
5. Signal output impedance: 50Ω
6. Signal output amplitude: ± 20V
7. Test repetition percent: 99.9%
8. Measuring instruments dimensions (LxWxH) 350X300X140 (mm)
9. Instrument's aluminum box size (LxWxH) 390X310X340 (mm)
10. Overall weight: 13Kg
I. Overview
Transformer winding deformation tester based can make accurate diagnosis on the transformer internal fault based on the measurement of the characteristic parameters of transformer windings inside, using the frequency response analysis (FRA) method developed and improved by the developed countries.
Transformer winding deformation tester is to determine the degree of changes in internal windings of the transformer based on the quantity of change, magnitude and region affecting change and tendency of frequency response change which are quantized from the response changes in different frequency domains of transformer's internal winding parameters, and then it can help you determine whether the transformer has been severely damaged, or need a major overhaul in accordance with the measurement results.
Transformer winding deformation tester is constituted by a laptop computer and Microcontroller forming a precision measurement system with the compact structure, easy operation, and a more complete test analysis function, which can be operated referring to the instruction manual or through short-term training.
II. Main Technical Characteristics
1. Acquisition and control using high-speed, highly integrated microprocessor.
2. Communication USB interface used between a laptop and instrument.
3. Wireless WIFI interface (optional) used between the laptop computer and instrument.
4. Hardware adopts dedicated DDS digital high-speed scanning technology (USA), which can accurately diagnose the faults like winding distorted, bulged, shift, tilt, inter-turn short-circuit deformation and inter-phase contact short-circuit.
5. High-speed dual-channel 16-bit A/D sampling (in field test, move tap changer, and the wave curve shows obvious change) .
6. Signal output amplitude is adjusted by software, and the peak value of amplitude is ± 10V.
7. The computer will automatically analyze the test results and generate electronic documents (Word)
8. The instrument has dual measurement features: linear frequency scanning measurement and segment frequency scanning measurement, compatible with measurement mode of two technical groups in China
9. The amplitude-frequency characteristics are in line with the national technical specifications on amplitude-frequency characteristics tester. X-coordinate (frequency) has linear indexing and logarithmic indexing, so you can print out the curve with linear indexing and logarithmic indexing. The user can choose either according to actual needs.
10. Automatic test data analysis system,
Compare between A, B, C -phases in winding similarity comparison, and
the analysis results are:
1.excellent consistency
2. good consistency
3.poor consistency
4.rather poor consistency
5.Compare winding deformation by calling the original data and comparing it with the current data of the same phase, namely A-A, B-B, C-C, and the analysis results are:
6. normal winding
7.mild deformation
8.moderate deformation
9.severely deformation
10. Word electronic document can be automatically generated for saving and printing.
III. Main technical parameters
3.1 Scan mode:
1. Linear scanning distribution
Scanning measurement range: (10Hz) - (10MHz) 40000 scanning point, resolution 0.25kHz, 0.5kHz and 1kHz
2. Segment frequency scanning measurement distribution
Frequency scanning measurement range: (0.5kHz) - (1MHz), 2000 scanning points ;
(0.5kHz) - (10kHz)
(10kHz) - (100kHz)
(100kHz) - (500kHz)
(500kHz) - (1000kHz)
3.2 Other technical parameters:
1. Amplitude measurement range: (-120dB) to (+20 dB)
2. Amplitude measurement accuracy: 0.1dB
3. Scanning frequency accuracy: 0.01%
4. Signal input impedance: 1MΩ
5. Signal output impedance: 50Ω
6. Signal output amplitude: ± 20V
7. Test repetition percent: 99.9%
8. Measuring instruments dimensions (LxWxH) 350X300X140 (mm)
9. Instrument's aluminum box size (LxWxH) 390X310X340 (mm)
10. Overall weight: 13Kg
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