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Generator testing instrument

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ZLB-600A Portable Fault Recorder

ZLB-600A portable fault recorder is based on DSP, embedded operating system as the core, using three-layer architecture, to achieve data acquisition, processing, transmission, storage functions of portable devices.

Key words:

Generator testing instrument

wave

recorder

ZFZK-502B generator rotor AC impedance tester

Generator rotor winding inter-turn short circuit is a common fault in power system. When this kind of fault occurs, the rotor current increases and the winding temperature increases, which limits the output of the generator and affects the normal operation of the generator in severe cases. Inter-turn short circuit is usually determined by measuring the AC impedance and power loss of the generator rotor winding. The traditional measurement method is to use multiple test instruments and meters to measure after on-site assembly. This method, which requires a lot of test instruments and meters to form a measurement system, has the disadvantages of heavy test equipment, time-consuming and laborious, cumbersome data sorting and low measurement accuracy.

Key words:

Generator testing instrument

measurement

ZFDW-2 generator surface potential tester

Conventional preventive tests are generally difficult to find the insulation defects of the end of the cold stator wire in the turbine generator. The DC pressure surface potential test can effectively find out the insulation defects at the end of the stator coil. The inter-phase short circuit fault at the stator end has caused great economic loss. For this reason, the Ministry of Electric Power Industry and the Ministry of Machinery Industry issued document Anshengji (1994) No. 86, which stipulates that the hand bag insulation measurement test at the generator end is one of the important test items for the generator. The generator surface potential tester is a high-tech product that fully meets the spirit of document No. 86. Its use has greatly improved the maintenance efficiency of the generator.

Key words:

Generator testing instrument

potential