Usually the power
distribution voltage is not 230V, 400V, the low three-phase power is more than
200 volts, the high one is 400 volts, and the single-phase power is the same.
The high and low voltages sometimes differ greatly, so before we buy the voltage
stabilizer, we need to have a measurement on the electrical
sample used. The voltage stabilizer manufacturers will set the minimum and maximum voltage value of the user of
the voltage stabilizer according to the electrical sample, and then obtain the
fluctuation range value of it. Then according to the obtained the output
voltage fluctuation value indicates the most suitable voltage stabilization
range of the voltage stabilizer, and generally, when choosing the voltage
stabilization, the voltage stabilization range of the voltage stabilization
range is wider than the actual range. Regardless of the regulator produced by
the regulator manufacturer, no matter what type of regulator, there will be
some voltage stabilization range. The so-called voltage stabilization range is
based on the normal voltage value as a starting point and can accept the
highest voltage. The ratio of the voltage to the lowest voltage. If it exceeds
this range, it is overvoltage, and if it is below this range, it is
undervoltage. So what should I do if the output voltage of the regulator is too
high or too low? Can we adjust ourselves?
herefore, the special situation of overvoltage or under voltage in the voltage stabilizer can be solved by adjusting the voltage stabilizer itself. Let me explain the precautions of the adjustment method.
1. Disconnect
the connection line with the equipment before adjustment, and then connect it
after adjustment to avoid damage to the electrical products of the equipment.
2. Personal
adjustment requires technical support from the regulator manufacturer to
determine the location of the device for fine-tuning the voltage.
3. The regulator
must be an electrician or a person with common sense to avoid potential safety
hazards of accidental electric shock.
4. It is
recommended to operate by 2 people, one for fine-tuning, and one for observing
the voltmeter for more precise operation.
5. Prepare to
unpack tools and fine-tuning tools (size cross screwdriver).
First of all, please disconnect the power supply and connect the equipment line, and disassemble the regulator case. Generally, the regulator shell is fixed by screws, and then remove all the screws on both sides to remove the case. Remove the regulator shell After opening, the internal circuits, copper coils, carbon brushes, etc. will appear. Don't touch anything at this time. Carefully find the circuit board of the servo voltage stabilizer, and then find the adjustment screw for the fine-tuning voltage module according to the shape characteristics provided by the technician. At this time, we can power on the voltage stabilizer first, then find a smaller Phillips screwdriver and place it on the adjustable module, and then fine-tune the voltage clockwise or counter clockwise while observing the voltmeter on the voltage stabilizer until it reaches what we want The required voltage is enough, and finally all the lines are connected and the drive is completed.
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