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How to test transformer deformation?
2019-10-18When choosing to purchase transformer winding deformation tester, power enterprises should make accurate judgment and select the equipment produced by those powerful companies, so that the accuracy and accuracy can be guaranteed, and the transformer can be found in time in case of failure, so as to ensure the safety… -
Precautions during transformer test
2019-10-17The use of the instrument transformer tester must comply with the technical requirements of the existing national standards for electrical safety and test project process. Reading this manual does not replace the requirements of the relevant national standards for electrical test projects. When using the instrument transformer tester in high-voltage… -
What are the functions of the instrument transformer compreh
2019-10-16Voltage transformer is similar to transformer, the transformation of voltage on power system line needs to use transformer. The purpose of transformer transformation voltage is to transmit electric energy. Unlike transformer, transformer transformation voltage is mainly used to supply power for relay protection device and measuring instrument. The voltage, electric… -
Five points for attention in AC test of microcomputer relay
2019-10-15The problems that electric power workers need to pay attention to when using the microprocessor relay protection tester for AC test are summarized as follows: 1. In general detection of relay protectors, one of the steps is to set the "switch positioning confirmation time". Here we need to pay… -
Analysis of Winding Deformation of Power Transformer by Freq
2019-10-14ZC-206A transformer winding deformation tester, based on the measurement of characteristic parameters of transformer internal windings, adopts the method of internal fault frequency response analysis (FRA), which is being developed and perfected by developed countries in the world, can accurately judge transformer internal faults. After the design… -
Notes for use of cable identification instrument
2019-10-111. The operator shall read the instruction manual in advance, and master the functions, working methods, work preparation before test and correct test requirements of the instrument. 2. Before the test, disconnect both ends of the tested cable with armored grounding, and connect the remote end (end) of the… -
The Difference between Live Cable Recognition Instrument and
2019-10-101. Operators should read the instructions beforehand and master the functions, working methods, preparation before testing and correct testing requirements of the instrument. 2. Before the test, the armoured grounding at both ends of the cable under test is disconnected, and the distal end of the core wire is… -
What is the relationship between ubiquitous digitalization a
2019-10-09Strategy is a systematic understanding Many friends may look at the strategy of "three types, two networks" and "comprehensive energy" in the clouds and mists of the national network. Many experts say that it is ubiquitous in the Federation of Things or integrated energy. More importantly, they… -
Application of Cable Recognition Instrument
2019-10-09I. Host preparation 1. Connection: (1) Before testing, the cable under test should be cut off and its surrounding environment should be in a safe state. (2) The generator is connected with the cable under test, and the red clamp is connected with one or several core… -
Searching Method of Cable Identifier
2019-10-08Cable Identifier is a special instrument used to identify a particular cable from a bunch of cables in the erection, migration and maintenance of power cables and fault treatment. The cable identification instrument is composed of signal generator, clamp signal detector and indicator. The signal generator mainly produces special pulse…







