How to use the operation of the voltage stabilized power supply, maintenance and repair
Regulated power supply is able to provide stable AC or DC power for the load of an electronic device, divided into two categories of AC regulated power supply and DC regulated power supply, with an increase in the amplification link, improve stability, so that the output voltage is adjustable, the power supply works safely and reliably.
The purpose of mastering the correct operation of the voltage stabilized power supply is to save time, the wrong operation will damage the performance of the machine, in order to avoid the quality of the voltage stabilized power supply and production cost savings, to reduce the chances of damage to the machine, through the correct operation of the voltage stabilized power supply techniques can improve productivity and save time.
Correct use of voltage stabilized power supply operation usage:
Power supply connection
Connect the voltage stabilized power supply to the mains
Turn on the power supply
Without connecting the load, press the main switch of the power supply, and then turn on the DC output switch of the power supply, so that the power supply can work with normal output.
Setting the output voltage
Complete the voltage setting by adjusting the voltage setting knob so that the digital voltmeter shows the target voltage.
Setting current limit
Press the "Limit" button on the panel of the power supply and don't let go, at this time, the ammeter will display the current limit value, adjust the current limit knob to make the current limit value reach the predetermined level.
Setting over-voltage protection OVP
Within the adjustable voltage range of the power supply itself, an upper limit voltage is further limited to prevent the power supply from outputting too high voltage when it is operated by mistake.
If any abnormality occurs during the whole process of instrument application:
No output voltage
Check whether the power supply main switch is connected, whether the fuse is intact, check whether there is any short-circuit fault condition in the power supply circuit.
Output voltage is too high
Check whether the regulation tube is thermal breakdown.
Unstable output voltage
Check whether the standard voltage is stable.
Insufficient output current
Check whether the regulating camp is damaged lead, and whether the load is too heavy.
Maintenance of voltage stabilized power supply:
Instruments and equipment should be kept clean and placed vertically.
Check the terminal is not loose, chassis screws inside and outside is not solid.
Check the power plug wiring is stone loose, internal is not new crack.
Clean up the chassis control panel and chassis cover, prohibit the application of solvents or stain removers to carry out scale cleaning, should be applied to neutralize the soap wave with a soft plastic towel to carry out cleaning and then wipe can be.
Switching power supply application for a period of time, to solve the labeling power supply circuit to carry out approval, correction can be based on the external voltmeter and ammeter and the machine labeling instrument panel to carry out more so as to regulate to carry out approval.
