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GDRB-C Power Transformer Winding Deformation Tester
Power transformer winding deformation tester (frequency response method) is based on the measurement of characteristic parameters of transformer internal windings, adopts the internal fault frequency response analysis (FRA) method, can accurately judge the internal faults of transformers.
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GDDJ-HVC Dielectric Loss Tester for Live Capacitive Equipment
There are usually two ways to monitor the insulation condition of high voltage electrical equipment in substations: online monitoring and live (portable) online detection.
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GDFJ-311M SF6 Gas Decomposition Product Tester
GDFJ-311M SF6 Gas Decomposition Product Tester is a portable device designed to measure SF6 gas decomposition product.
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GDKC-12A (GDKC-12B) (GDKC-13A) Circuit Breaker Analyzer
High voltage circuit breaker is one of the most important control equipment in the power system.
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GDRB-F Transformer Winding Deformation Tester (SFRA & Impedance Method)
GDRB-F Transformer winding deformation tester adopts sweep frequency response analysis (SFRA) method and impedance method to detect transformer winding movements and mechanical failures due to mechanical shock, transportation or short circuits, with features of fast test speed, high frequency stability and powerful analysis software.
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GDDJ-HVC Substation Temperature Monitoring System
There are usually two ways to monitor the insulation condition of high voltage electrical equipment in substations: online monitoring and live (portable) online detection.
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GDP-311IR SF6 Gas Purity Tester (IR Method)
GDP-311IR SF6 gas purity tester is a portable instrument for on site SF6 gas purity test developed by our company.?
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GDYZ-301 Zinc Oxide Surge Arrester Tester
GDYZ-301 Lightning Arrester Tester is the special equipment of testing zinc oxide arrester electric performance. It is suitable for testing various voltage levels zinc oxide arrester with or without electricity, thus to detect hazards inside the device caused by wet insulation or metal oxide varistor (MOV) aging.
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GDHL-100A Micro-Ohmmeter
GDHL-100A Micro-Ohmmeter?is widely used to measure loop resistance and contact resistance for weld joints, cables, and various HV switches within power industry. It uses intelligent power test system “Smart-Quick”, which is granted software copyright, and advanced detection technology.
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GDHG-108A CT/PT Analyzer
GDHG-108A CT/PT Tester supports test voltage method to test bushings CTs which installed on transformer or inside switch-gear, suitable for the laboratory and on-site detection.?
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GDYZ-301A Zinc Oxide Surge Arrester Tester
GDYZ-301A Automatic Zinc Oxide Surge Arrester Tester contains below three functions:
Resistive current test
Current meter calibration of monitor
Counter action test of monitor
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GDHG-201P CT/PT Analyzer
GDHG-201P CT/PT Analyzer is a lightweight, portable unit capable of testing both current and voltage transformers.
- CT testing includes?Excitation?Characteristic?Test, Knee Points,?Turn?Ratio,?Polarity,?Secondary?Winding Resistances,?Secondary?Burden,Ratio Error, Angular Difference
- VT testing including?Excitation?Characteristic?Test, Knee Points,?Turn?Ratio,?Polarity,?Secondary?Winding Resistances,?Ratio Error, Angular Difference
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