1、 Ensure product performance and equipment safetyLiquidity control and transportation efficiencyThe fluidity of petroleum products directly affects pumping, pipeline transportation, and atomization effects. Excessive viscosity can lead to increased transportation resistance, increased energy consu
1、 Quality assurance and defect investigationIdentification of process and material defectsThrough routine tests such as DC resistance measurement and transformation ratio testing, problems such as winding breakage, inter turn short circuit, poor welding, and inconsistent wire specifications can be
1、 Ensure the timeliness and accuracy of fault removalAccuracy of opening and closing time and speedIf the opening time of the circuit breaker (the time from the instruction to the complete separation of the contacts) is too long, it will cause the short-circuit current to continue flowing, leading
The testing principle of insulation resistance tester (also known as megohmmeter, shake meter) is based on Ohm's law (R=V/I), which calculates the resistance value of insulation material by applying DC high voltage and measuring leakage current, in order to evaluate its insulation performance. T
1、 Principle of efficient three-phase synchronous measurementThree phase synchronous power on and independent samplingBy designing a dual power supply structure, a current (such as 20A) is applied to the three-phase winding of the YN connected transformer, and real-time data is collected using an i
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