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Partial Discharge Online Monitoring System of GIS
Gas-insulated metal-enclosed switches (GIS) and gas-insulated metal-enclosed transmission lines (GIL) are one of the most important devices in the power system. They have the dual tasks of control and protection.
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GDUVI-41 UV Imager
GDUVI-41 UV imager adopts ergonomic design and key operation, which is very suitable for daily maintenance of various high-voltage electrical equipment. The instrument adopts solar-blind technology to simultaneously image the visible light and ultraviolet light paths, and realizes the location of the ultraviolet light-emitting position through the real-time synchronous fusion of the two images, which can be detected around the clock. The video display can display the ultraviolet video and the visible light video separately, or the superimposed composite video, which can count the ultraviolet light spots in the selected range and provide the measurement data.
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Partial Discharge Online Monitoring System of Generators
Generally, partial discharge occurs at a position where the properties of the dielectric material are not uniform.
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GDPD-505 Portable Partial Discharge Detector
GDPD-505 is a portable multi-functional PD online detector, which is suitable for testing transformers, GIS, switch cabinet, power cables, lightning arrester and CT/PTs.
The system includes detector, software, HFCT(high frequency current transformer), calibration pulse generator, 40kHz ultrasonic sensor, 150kHz ultrasonic sensor, UHF sensors, TEV sensors, Acoustoelectric sensors and some connection cables.
It uses pulse current, ultrasonic and UHF technology, to detect and analyze HF electromagnetic signals and ultrasonic signals of internal transformers and GIS, so that to detect and evaluate the running status of GIS, transformers.
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GDJF-2006 Partial Discharge Analyzer
GDJF-2006 Digital Partial Discharge Detector is widely used for detecting partial discharge of high voltage equipment such as power transformers, instrument transformer, HV circuit breaker, Zinc oxide surge arrester, power cable. It also can make type tests and monitor insulation operation.
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GDZRC-40A Series DC Winding Resistance Tester
GDZRC series DC winding resistance tester is designed to measure DC resistance of inductive devices, such as transformers and power inductors. It has the features of fast measurement, small size and high accuracy of measurement,which is ideal equipment of measuring transformer winding and DC resistance of big power inductance equipment.
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GD6100 Insulation Oil Tan Delta Tester (Oil Dissipation Factor Tester)
GD6100 is high-precision instrument for testing dielectric loss angle and volume resistivity of insulating oil or other insulating liquids.
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GDKC-5000 Transformer On Load Tap Changer Tester
GDKC-5000 Transformer On Load Tap Changer Tester can accurately measure the transient time, transient waveform, transient resistance, three-phase synchronization and other parameters of the load tap changer. It is an ideal device for testing load tap changer. It meets the requirements of checking the action sequence of load tap changer and measuring of switching time.
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GDZRC-40U (GDZRC-50U) DC Winding Resistance Tester
GDZRC-40U (GDZRC-50U) DC Winding Resistance Tester is designed to measure DC resistance of inductive devices, such as transformers and power inductors.
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GD6100C Transformer Insulation Oil Tan Delta Tester/Oil Dielectric Tester
GD6100C Automatic Precision Oil Dielectric Loss Tester, is used for measuring dielectric dissipation factor and DC resistivity of insulating oil and other insulating liquids.
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GD6100D Insulation Oil Tan Delta Tester
In the preventive test of electrical equipment insulation, periodic measurement of insulating oil parameters of electrical equipment is required. The measurement of dielectric loss and resistivity of insulating oil is one of the most important items. For a long time, most of them have been measured by the bridge method, which is cumbersome to operate, and the measurement accuracy is affected by many factors, resulting in large measurement errors.
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GD6900 Capacitance & Tan Delta Tester
GD6900 measures the capacitance and dielectric loss factor (tgδ) of high voltage electric equipment. It is integrated structure, built-in dielectric loss test bridge, variable frequency adjustable power supply, boosting transformer and SF6 standard capacitor.
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