Bi-polar pulsed power supply: How to set the main parameters of a pulsed power supply, bi-polar pulsed electroplating power supply - pulsed electroplating power supply
Dual Pulse Power Supply The customer's load must be intermittently energized, that is, according to a certain time rule, the load is energized for a certain time, and then the power is turned off for a certain time, and one cycle is generated for each conduction. This is continuously implemented to form a pulsed power supply.
Puli recommends how to set the main parameters of the pulse power supply:
1. Output Voltage: The maximum voltage difference between the two terminals of the output terminal, red and black. The output voltage displayed on the control panel is the square root of the voltage difference between the black and red terminals when connected.
2. Output Current: The amplitude of the current flowing in the output control circuit is equal to the product of the current in the output control circuit (maximum output current) and the slew rate when connected.
3. Slew Rate: The ratio of the time occupied by the pull-up resistor to the entire cycle. Slew rate = pulse width / (pulse width + pulse interval) 4. Output frequency: One on-off cycle is called a cycle, and the output frequency is inversely proportional to the cycle.
5. Pulse Width (Pulse Width): The time when the power supply is connected in a small cycle of direct commodity circulation interruption, i.e., t.
6. Single Pulse Spacing (Pulse Interval): The time when the power supply is disconnected in a small cycle of direct commodity circulation interruption, i.e., T-t.
7. Commutation Time:
Forward Commutation Time: The cumulative time of the small cycle when the voltage difference between the black and red terminals of the output terminal is positive.
Reverse Commutation Time: The cumulative time of the small cycle when the voltage difference between the black and red terminals of the output terminal is negative.
1. First, connect the matching AC380V50HZ single-phase power supply as required; turn on the power switch to observe whether the equipment is normal;
2. Turn off the single pulse start switch (press to start, extend to turn off); set the positive and negative single pulse parameters, set the total time of the positive single pulse; set the enable pulse width; set the disable pulse width; (refer to the above diagram);
Generally, the total positive time must be several times longer than the total negative time, otherwise the plated metal will be completely dissolved during the negative single pulse time, and it will never be plated.
The total time must be greater than (enable pulse width + disable pulse width); no output if less;
Single pulse frequency = total time / (enable pulse width + disable pulse width); Assuming: total time = 2000 enable pulse width = 10 disable pulse width = 2 then single pulse frequency = 166HZ;
3. When using a pulse signal: Set the negative single pulse parameters (total time, enable pulse width) to zero;
4. When using DC: Set the negative parameters to 0, set the total time to the maximum, and the enable pulse width is close to the total time, and the disable pulse width is not large;
5. Press the single pulse start switch;
6. Click the display again to enter the basic parameters - configurable parameters. Generally, when precious metal electroplating is used, it is used in the Zener diode condition. Set the positive and negative voltage parameters, and click the start on the screen;
7. Click the operation page to view the output positive and negative single pulse peak voltage and current, displayed on the label. During operation, the peak current and voltage can be added arbitrarily;
8. To change the single pulse parameters, the set parameters will only be effective when the single pulse start switch is stopped;
The above is the content collected by the editor of Guangzhou Puli Electric Co., Ltd. If you need customization, please contact us.
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