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PCH 8000V 8kV 2A 3A 5A 8A 10A DC Power Supply 10kW to 40kW 60kW 80kW
PCH 8000V 8kV 2A 3A 5A 8A 10A DC Power Supply 10kW to 40kW 60kW 80kW
- PCH 8000V 8kV 2A 3A 5A 8A 10A DC Power Supply
- Rated voltage 8000V (8kV)
- Negative polarity at request
- Rated power 10kW 15kW 30kW 40kW 50kHz 60kW 70kW 80kW
- Low ripple 0.2%FS rms
- List mode function
- Auto Run function
- Interlock loop function
- No overshoot during startup
- Soft start by hardware, and adjustable voltage rise time by software
- Constant voltage and constant current operations, auto CV/CC switch
- Multiple protections: OVP, OTP, ACF and current limit protections
- Standard interface: RS232 & RS485, support ModBus-RTU commands
- Options: DC 0-5V, 0-10V or 4mA interface for control and feedback
- Options: LAN interface
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Twintex PCH 8000V (8kV) DC power supplies, available in power level from10kW to 80kW, falls into the category of high-power, high-voltage DC power supplies and is widely used in applications requiring a combination of high voltage and substantial power output. These power supplies are primarily utilized for the research, development, and reliability verification of high-voltage devices in the 6000V-8000V range.
High-voltage diodes and high-voltage IGTBs are the most common and diverse category of devices in the 6000V–8000V range mainly used in high-voltage rectification circuits, high-voltage freewheeling circuits, and voltage-multiplier circuits within high-voltage power supplies.
| High-voltage Diodes | High-voltage IGTBs |
| 6000V General-purpose high-voltage rectifiers (tubes) | 6000V Pre-fit high-voltage IGBT module |
| 6000V High-power industrial rectifier bridges | 6500V Single-switch IGBT module |
| 6000V High-power, high-voltage rectifier diodes | 6500V Dual-switch IGBT module |
| 8000V High voltage diodes | 6500V High-voltage IGBT module |
| 8000V High-voltage rectifier diodes |
Different power ranges cater to specific testing scenarios:
- 8000V (8kV) 10kW 15kW 20kW DC Power Supplies: For burn-in and insulation testing of low-to-medium power devices and materials, such as IGBTs and MOSFETs (SiC power modules), high-voltage diodes, high-voltage cables, and insulation materials.
- 8000V (8kV) 30kW 40kW 45kW DC Power Supplies: For burn-in and testing of high-power modules and electrical equipment, including high-power IGBT modules (e.g., for high-speed rail and wind power), SiC power modules, power capacitors, and instrument transformers.
- 8000V (8kV) 50kW 60kW 70kW 80kW DC Power Supplies: For ultra-high-power system burn-in and advanced scientific research involving high-voltage, high-power press-pack IGBTs, high-voltage electron tubes, and specialized high-voltage devices for defense and scientific research applications.
Product Parameters
PCH 8000V 8kV 2A 3A 5A 8A 10A DC Power Supply 10kW to 40kW 60kW 80kW
| Model | Rated Output | Model | Rated Output | |||||
| V | A | W | V | A | W | |||
| PCH10K-80H | 8kV | 0~1.25A | 10kW | PCH10K-80HN | -8kV | 0~1.25A | 10kW | |
| PCH15K-80H | 8kV | 0~1.875A | 15kW | PCH15K-80HN | -8kV | 0~1.875A | 15kW | |
| PCH20K-80H | 8kV | 0~2.5A | 20kW | PCH20K-80HN | -8kV | 0~2.5A | 20kW | |
| PCH25K-80H | 8kV | 0~3.125A | 25kW | PCH25K-80HN | -8kV | 0~3.125A | 25kW | |
| PCH30K-80H | 8kV | 0~3.75A | 30kW | PCH30K-80HN | -8kV | 0~3.75A | 30kW | |
| PCH35K-80H | 8kV | 0~4.375A | 35kW | PCH35K-80HN | -8kV | 0~4.375A | 35kW | |
| PCH40K-80H | 8kV | 0~5A | 40kW | PCH40K-80HN | -8kV | 0~5A | 40kW | |
| PCH50K-80H | 8kV | 0~6.25A | 50kW | PCH50K-80HN | -8kV | 0~6.25A | 50kW | |
| PCH60K-80H | 8kV | 0~7.5A | 60kW | PCH60K-80HN | -8kV | 0~7.5A | 60kW | |
| PCH70K-80H | 8kV | 0~8.75A | 70kW | PCH70K-80HN | -8kV | 0~8.75A | 70kW | |
| PCH75K-80H | 8kV | 0~9.375A | 75kW | PCH75K-80HN | -8kV | 0~9.375A | 75kW | |
| PCH80K-80H | 8kV | 0~10A | 80kW | PCH80K-80HN | -8kV | 0~10A | 80kW | |
| AC Input | 3φ4W (L1, L2, L3, PE), 380V±10% 47~63Hz (at default) 3φ4W (L1, L2, L3, PE), 415V/440V/480V±10% 47~63Hz (at request) | |||||||
For the purpose of product improvement, specifications are subject to change without prior notice.
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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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