How to Improve The Efficiency of Transformer Measuring Instrument
The transformer induction parameter tester is suitable for the electrical function testing of various specifications of power transformers. It is mainly composed of three parts: computer and data processing software system, data collection system of each inspection unit, strong current control and instrument supervision and induction system. The transformer induction tester integrates the first-time wiring display of the experiment, data collection, analysis and processing, measurement control, storage, printing, and protection. The whole process of the experiment is automatically ended. It has the outstanding advantages of high power and high precision. Small size, light weight, high precision, simple inspection, it is the ambition product of the electric power department to upgrade. This equipment is equivalent to four types of equipment: active transformer capacity tester + transformer loss parameter tester + harmonic analyzer + oscilloscope. It can accurately measure a series of power frequency parameters such as the capacity, no-load current, no-load loss, short-circuit loss, impedance voltage of various transformers, and can measure the voltage, current distortion and harmonic content during the no-load experiment , You can also perform vector analysis.
If you want to advance the transformer to summarize the operating power of the parameter tester, you have to start with the method of use:
1. Before starting up, connect the high-voltage side and low-voltage side terminals on the instrument panel to the high-voltage side and low-voltage corresponding terminals of the test product, carefully check that the confession wiring is correct. The instrument only has three-phase output voltage during the measurement process, and there is no output voltage and current before and after the initial measurement process, which is safe and reliable.
2. Parameter input operation
1）. Rated transformation ratio input
Press the "confession" key to enter the variable ratio input function, the initial value at this moment is 0000.0, press the "↑" or "↓" key to change the size of the digit of the cursor flashing, and press the "confession" key to move the cursor to the next digit until the end Until the ratio is input. If you input 85.987, first press the "confession" key to display the value 0000.0, press the "confession" key to change to 000.00, then press the "confession" key to change to 00.00, press the "↑" key until it becomes 80.000, press the "confession" key to change to 83.446, the cursor moves to the next 3, press the "↑" key until it becomes 85.446, press the "confession" key to move the cursor to the next 4, press the "↑" or "↓" key to change 4 to 9, Press the "confession" key again, and so on to operate the function key to end the ratio input.
2）. Transformer type selection
When measuring the transformation ratio of a three-phase transformer, first press the "confession" key to enter the "transformer ratio measurement" menu. If you select the function of "transformer automatic measurement", the user selects the transformer type and presses the "confession" key to appear There are eight connection methods. After operating the "↑↓←→" key to select the correct connection method required, press the "confession" key to perform the subsequent measurement tasks, and select "Continue" after the group measurement is completed, and then proceed to the subsequent measurement tasks; If you select the function of "three-phase transformer measurement", the user should first select the transformer type (the type selection method is the same as the "transformer automatic measurement"), and then press the "confession" key to select the group (the group selection method has been operated After “↑↓” ends), the three-phase transformation ratio can be measured.
3）. Calendar clock setting and correction
Select "Instrument Function Settings" in the "Main Menu" to enter the "Instrument Function Settings" menu, select "Date and Time Settings" in this menu to enter the "Date and Time Settings" page, and operate the "↑↓←→confession" key as needed, You can end the calendar clock setting and correction. The transformer induction parameter tester can detect various functions of the transformer, and it is often necessary to grasp the correct operation method.
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