- Wuhan Guodian Mingke Electric Co., Ltd.
- Main products: Series resonance test device, Transformer tester, Circuit breaker, switch tester, High Voltage Insulation Equipm, Relay Protection Products, Cable and cable fault tester, Arrester and Insulator Test In, SF6 Test Instrument, Oil Testing Instrument, DC System and Battery Test Ins, Ground/Insulation Resistance T, Power Energy Analyzer, Power Energy Analyzer
Home > Products > Transformer tester > Partial Discharge Comprehensive Analyzer
Partial Discharge Comprehensive Analyzer
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Product Details
| Brand Name | GDMK | Place of Origin | China | |
| Model Number | Partial Discharge Detector |
Product Description
Product description：
Partial discharge comprehensive analyzer is the dedicated product to measure and analyze the insulation ability of electrical equipment. This system adopts modern electronic and computer integrated technology with the functions of signal amplification(analog signal, electronic signal, digital signal), filtration, data sampling, data processing, figure display, test report generation automatically so that it may finish the measurement, location and analysis of the partial discharge.
Technical index：
Technical characteristics | |
Number of interfaces | Free-running 4 interfaces |
Sampling rate | 1M. 5M. 10M selected |
Sampling accuracy | 12bit |
Range changing | -40dB, -20dB, 0dB, 20dB, 40dB ,60dB, totally 6 types |
Measurement frequency range | 3db bandwidth 10kHz～1MHz |
Digital filtering | 10kHz～1MHz freely selected |
Program controlled filter subsection | Low frequency: 10kHz，20kHz，40kHz，80kHz |
Nonlinear error in the range | 10% |
Measurement range | 0.1pC~100,000pC |
Sensibility | 0.1pC |
Capacity range of the measured product | 6pF～250μF |
Frequency range of test power | 50～500Hz |
Display | |
Display screen | 12’’ TFT true color touchable LCD screen |
Resolution | 1024×768 |
Interface | |
USB | 3 types, use of external mouse, keyboard or other USB devices. |
Power mode | AC 220V; Frequency 50Hz; Power 300W |
Electric signal interface | 4 BNC interfaces, use of signal input. |
Optical signal interface | 4 types, use of signal input |
Network interface | 1 type |
Landing button | External landing |
General instruction | |
CPU | Basic frequency 1.60GHz |
Ram | 2.0GB |
Hard disk | 128GB SSD |
System | Windows Xp |
Operating environment | Environment ambient: -10～45℃ Humidity: ≤95%RH |
Size | Length×width×height: 474mm × 288mm × 370mm |
Weight | 15.8kg |
Structure：
System accessories introduced
Input unit
series input unit structure is RLC type, is a kind of tuning impedance, used for the conventional PD detection, with high detection sensitivity. Input unit is divided into several types, in the detection of weak discharge signal, should select the appropriate input unit, in order to ensure adequate sensitivity.
Series input unit has 12 independent input units, each input unit has a tuning capacitor (Ct '), as long as the resonant capacitance Ct of the detection loop falls within the range of the tuning capacitance (Ct'), it suffices to meet the requirements of the test selection.
independent input unit technical parameter table
Input unit number | Tuning capacitance Ct′ | Sensitivity Unbalanced input | Maximum current（RMS） | |
Unbalanced input | Balanced input | |||
1 | 6pF-25pF-100pF | 0.01pc | 30mA | 0.25A |
2 | 25pF-100pF-400pF | 0.02pc | 60mA | 0.5A |
3 | 100pF-400pF-1500pF | 0.04pc | 120mA | 1A |
4 | 400pF-1500pF-6000pF | 0.08pc | 250mA | 2A |
5 | 1500pF-6000pF-0.025mF | 0.15pc | 0.5A | 4A |
6 | 6000pF-0.025mF-0.10mF | 0.3pc | 1A | 8A |
7 | 0.025mF-0.10mF-0.4mF | 0.5pc | 2A | 15A |
8 | 0.10mF-0.4mF-1.5mF | 1.0pc | 4A | 30A |
9 | 0.4mF-1.5mF-6.0mF | 1.5pc | 8A | 60A |
10 | 1.5mF-6.0mF-25mF | 2.5pc | 15A | 120A |
11 | 4.0mF-15mF-60mF | 5.0pc | 25A | 200A |
12 | 15mF-60mF-250mF | 10pc | 50A | 300A |
◆Ultrasonic sensor technical parameters:
magnetic adsorption ultrasonic sensor | |
Frequency band： | 20-300kHz |
Sensitivity ： | -7dB |
Dynamic range： | >80dB |
Resonant frequency： | 80kHz |
Calibration pulse generator
Model | TKPD-02 | TKPD-03 | TKPD-04 |
Output pulse rising edge | <30nS | ||
Output pulse drop edge | >100uS | ||
Output power | 10pC，50 pC， 100 pC，500 pC | 50pC，100pC，200 pC，500 pC，1000 pC | 1000 pC ，2000 pC ，5000 pC ，10000 pC |
Pulse repetition frequency | 50Hz-1000Hz | ||
Output internal resistance | <100Ω | ||
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