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AHV 15kV 200mA High Voltage AC Power Supply for Corona Discharge Applications
AHV 15kV 200mA High Voltage AC Power Supply for Corona Discharge Applications
- AHV 15kV 200mA 3000W series High Voltage AC power supply
- 4 digits LED display for voltage, current and frequency
- Rated output AC 15kV (30kVpp) 200mA 3000W
- Fixed frequency 1kHz, 2kHz, 3kHz, 4kHz, 8kHz, 5kHz, 10kHz, 20kHz, 30kHz, 40kHz, 50kHz, 100kHz
- Adjustable frequency 2kHz to 100kHz
- Other voltage, frequency and power range at request
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Corona discharge applications utilize ionized gas (plasma) for surface treatment, pollution control, and industrial processing. The corona plasma is generated by the application of high voltage pulses.
AHV 15kV 200mA series high voltage AC power supply provides high-frequency and high-stability outputs at 15kV (30kV peak to peak) for surface modification, including corona treatment and electrostatic processing. 15kV is sufficient for high-efficiency corona discharge, generally at frequency of 8kHz to 30kHz.
AHV 15kV 200mA series high voltage AC power supply is available with a wider frequency range, with different options from 1kHz to 100kHz either at a fixed frequency or an adjustable frequency range.
Options of fixed frequency range: 1kHz, 2kHz, 3kHz, 4kHz, 5kHz, 8kHz, 10kHz, 20kHz, 30kHz, 40kHz, 50kHz, 100kHz
Options of adjustable frequency range: 2kHz ~ 8kHz; 5kHz ~ 10kHz; 10kHz ~ 20kHz; 10kHz ~ 30kHz; 20kHz ~ 30kHz; 20kHz ~ 40kHz; 20kHz ~ 50kHz; 30kHz ~ 40kHz; 30kHz ~ 50kHz; 50kHz ~ 100kHz
Corona discharge has a wide range of practical applications that exploit its ability to generate ions, ozone, UV light, and charged aerosols. Key applications include:
- Air and gas treatment: used in gas purification and particulate charging for collection; used in industrial and laboratory ozone generation for odor removal, disinfection, and chemical oxidation (water treatment, VOC removal in air streams).
- Surface treatment and materials processing: used in polymer surface activation to surface energy of plastics and films before printing, coating, or bonding; used in Ozone/UV-assisted surface cleaning and sterilization to remove organic contaminants and promotes chemical functionalization.
- Electrostatic processes: used in electrostatic precipitation in power plants and industrial boilers; used in electrostatic coating and printing to improve substrate wettability (corona treatment of polymers for better ink/adhesive adhesion).
- Electronics and HV engineering: used in partial discharge testing and diagnostics to locate insulation defects in cables, transformers, and HV equipment; used in high-voltage corona rings and shielding to control discharge location and reduce electromagnetic interference (EMI).
Product Parameters
AHV 15kV 200mA High Voltage AC Power Supply for Corona Discharge Applications
| Model (15kV) | Output Range | Model (15kV) | Output Range | |||||||
| Peak Voltage | Max Current | Power | Frequency | Peak Voltage | Max Current | Power | Frequency | |||
| AHV15-200-FF1K | 0~15kV | 0~200mA | 3000W | Fixed 1kHz | AHV15-200-AF2-8K | 0~15kV | 0~200mA | 3000W | Adjustable 2kHz to 8kHz | |
| AHV15-200-FF2K | 0~15kV | 0~200mA | 3000W | Fixed 2kHz | AHV15-200-AF5-10K | 0~15kV | 0~200mA | 3000W | Adjustable 5kHz to 10kHz | |
| AHV15-200-FF3K | 0~15kV | 0~200mA | 3000W | Fixed 3kHz | AHV15-200-AF10-20K | 0~15kV | 0~200mA | 3000W | Adjustable 10kHz to 20kHz | |
| AHV15-200-FF4K | 0~15kV | 0~200mA | 3000W | Fixed 4kHz | AHV15-200-AF10-30K | 0~15kV | 0~200mA | 3000W | Adjustable 10kHz to 30kHz | |
| AHV15-200-FF5K | 0~15kV | 0~200mA | 3000W | Fixed 5kHz | AHV15-200-AF10-40K | 0~15kV | 0~200mA | 3000W | Adjustable 10kHz to 40kHz | |
| AHV15-200-FF8K | 0~15kV | 0~200mA | 3000W | Fixed 8kHz | AHV15-200-AF10-50K | 0~15kV | 0~200mA | 3000W | Adjustable 10kHz to 50kHz | |
| AHV15-200-FF10K | 0~15kV | 0~200mA | 3000W | Fixed 10kHz | AHV15-200-AF20-30K | 0~15kV | 0~200mA | 3000W | Adjustable 20kHz to 30kHz | |
| AHV15-200-FF20K | 0~15kV | 0~200mA | 3000W | Fixed 20kHz | AHV15-200-AF20-40K | 0~15kV | 0~200mA | 3000W | Adjustable 20kHz to 40kHz | |
| AHV15-200-FF30K | 0~15kV | 0~200mA | 3000W | Fixed 30kHz | AHV15-200-AF20-50K | 0~15kV | 0~200mA | 3000W | Adjustable 20kHz to 50kHz | |
| AHV15-200-FF40K | 0~15kV | 0~200mA | 3000W | Fixed 40kHz | AHV15-200-AF30-40K | 0~15kV | 0~200mA | 3000W | Adjustable 30kHz to 40kHz | |
| AHV15-200-FF50K | 0~15kV | 0~200mA | 3000W | Fixed 50kHz | AHV15-200-AF30-50K | 0~15kV | 0~200mA | 3000W | Adjustable 30kHz to 50kHz | |
| AHV15-200-FF100K | 0~15kV | 0~200mA | 3000W | Fixed 100kHz | AHV15-200-AF50-100K | 0~15kV | 0~200mA | 3000W | Adjustable 50kHz to 100kHz | |
| Dimensions | 439W*133H*563D mm | |||||||||
| Weight | Approx 20kg | |||||||||
| AC input | 1φ3W, 220V±10% 50/60Hz | |||||||||
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Frequently Asked Questions
A DC power supply is to supply voltage and current in constant voltage (CV) or constant current (CC) mode within the rated output range. Such working characteristics is called a constant voltage/constant current automatic cross-over type. This permits continuous transition from constant current to constant voltage modes in response to the load change. The intersection of constant voltage and constant current modes is called the crossover point. Below figure shows the relationship between this crossover point and the load.
In CV mode, a regulated output voltage is provided. The output voltage remains constant as the load increases while the output current changes in response to the load changes, up till the present current limit point is reached. At that point, the output current becomes constant and the output voltage drops in proportion to the further increases in load.
Similarly, in CC mode, crossover from the CC to CV mode automatically occurs from a decrease in the load. A regulated output current is provided. The output current remains constant as the load decreases while the output voltage changes in response to the load changes.
A power supply with CV and CC operation mode can be operated in only one mode according to load situation. The power supply is in CV mode when the actual load is over the preset load capacity; and the power supply is in CC mode when the actual load is below the preset load capacity.
When the power supply is connected to a big capacitive load, it always causes increase to the output voltage in a power supply. The output voltage may make fast increase to the Over Voltage Protection point. It may also cause slow decrease when the output voltage is turned down.
To solve this problem, connect a power resistor in parallel to the output terminals of the power supply; at the same time, connect a diode in serial between output terminals and the load.
When an inductive load is connected to the power supply, it will cause a reverse polarity induction electric motive force when the power supply is turned on or off, or when preset the output voltage. The pulse noise caused by an inductive load will also affect the power supply, especially when the pulse noise has the same polarity with the output of power supply.
To avoid effect or damage to the power supply, connect a diode in serial between the output terminals of power supply and the load; at the same time, connect a power resistor and a capacitor in parallel to the load to make a R-C snubbed circuit, which will significantly restraint generation of the noise.
When use the power supply to charge a battery, such as accumulator and ni-mh battery, the recommended protection measures is to connect a diode between the power supply and the battery. When the output electrolytic capacitor of the power supply is charged, connecting a load (battery) may cause sparks. This is normal. After the two of them get to equal voltage, the sparks will disappear.
Even if the peak current of a pulse load, such as motor, bulb, DC-DC or DC-AC converter module, does not exceed the rated current of the power supply, it will also cause voltage drop or instability to the output.
A basic solution is to connect a inductor in serial between the power supply and the load. Or, choose a power supply with higher rated current.
If the pulse circuit has a small pulse width or low peak current, another solution is to connect a capacitor with large capacity. A reference to choose capacity of a capacity is: 1000uF capacity to a 1A current.
When the power supply is connected to a load that will cause reverse polarity current to the power supply output, the output voltage will increase, because the power supply cannot absorb the reverse polarity current from the load.
A solution is to connect a diode in serial between the output terminal and the load; at the same time, connect a discharge resistor in parallel to the load to absorb the reverse polarity current. When the reverse polarity current is a peak surge, connect the large electrolytic capacitor in parallel to the two ends of the load.
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