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Shanghai Laiyang Electric Technology Co., Ltd
Variable frequency transformer tester
NegotiableUpdate on 05/10
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Overview
Design purpose of variable frequency transformer tester
Product Details
Variable frequency transformer testerIt is an important underlying key equipment for digital substations, providing a movable electronic transformer calibration device for power testing, measurement, and construction units.
Variable frequency transformer testerGrounding fault analysis: Grounding is a method to reduce the impact of leakage current. When conducting transformer calibration or impedance admittance measurement, whether for current transformers or voltage transformers, it is necessary to consider keeping the circuit in a low potential state to reduce its leakage current to ground.
1. Design purpose
Used for automatic testing of protective, measuring, or TPY type transformers, suitable for laboratory and on-site testing.
2. Reference standards
GB1207-2006、GB1208-2006、GB16847-1997（IEC60044-1、IEC60044-6）
3. Main features
Support detection of CT and PT (protection, measurement, TP) steady-state and instantaneous parameters
Meet the requirements of GB1207, GB1208, GB16847 (IEC60044-1, IEC60044-6) and other regulations
Adopting * power technology, the excitation voltage can reach up to 30KV
Without the need for external auxiliary equipment, all testing items can be completed on a single machine
The testing is simple and convenient, with one click completion of CT direct resistance, excitation, transformation ratio, and polarity testing. In addition to load testing, all other CT tests use the same wiring method.
Equipped with a miniature fast printer, it can directly print test results on site
Adopting an intelligent controller, the operation is simple
Large screen LCD, graphical display interface
Automatically provide the (excitation) inflection point value according to the regulations
Automatically provide 5% and 10% error curves
Can save 3000 sets of test data without losing it after power failure
Supports USB flash drive data transfer, which can be read through a standard PC and generate WORD reports
Compact and lightweight<10Kg, very conducive to on-site testing
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