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PCH 3000V 3kV 3A 5A 10A 15A 20A 25A DC Power Supply 10kW 15kW 45kW 30kW 60kW 75kW
PCH 3000V 3kV 3A 5A 10A 15A 20A 25A DC Power Supply 10kW 15kW 45kW 30kW 60kW 75kW
- PCH 3000V 3kV 3A 5A 10A 15A 20A 25A DC Power Supply
- Rated voltage 3000V (3kV)
- Negative polarity at request
- Rated power 10kW 15kW 30kW 45kW 60kW 75kW
- 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 3000V (3kV) high-voltage and high-power DC power supplies serve a wide range of applications, mainly in sectors with specialized voltage and power requirements such as scientific research, industrial manufacturing, new energy, and electronic testing.
The PCH 3000V (3kV) DC power supply provides stable, controllable high voltage and large current. From basic research and development at 10kW to system-level extreme testing at 75kW, the PCH 3000V (3kV) DC power supply provides a complete solution for the reliability verification of 2000V-3000V components/systems.
3000V 10A 10kW DC Power Supply: Basic R&D and verification
- Single-tube device testing: suitable for aging testing of small and medium-power devices such as IGBT single-tube, MOSFET, and high-voltage diodes.
- Laboratory verification: used by universities and scientific research institutes for early reliability verification and characteristic analysis of new materials and new structures.
3000V 20A 20kW DC Power Supply 15kW: Medium power testing
- Power module testing: Suitable for testing medium-power IGBT modules, IPM (intelligent power modules), etc.
- Component testing: Suitable for testing components such as motor controllers and DC-DC converters.
3000V 15A 45kW DC Power Supply: Higher power challenge
- High-power IGBT/SiC module: For aging of high-power modules used in electric vehicles, photovoltaic inverters and other fields.
- System-level components: For system-level testing of PTC heaters, on-board chargers (OBC) and other components of new energy vehicles.
3000V 20A 60kW DC Power Supply: Heavy-duty device testing
- Automotive-grade power modules: Meet the more stringent test current requirements of automotive-grade IGBT and SiC modules.
- High-power converter: used for core power component testing of wind power converters, high-power UPS and other equipment.
3000V 25A 75kW DC Power Supply: System-level extreme testing
- High-voltage energy storage system: used for long-term, full-load aging testing of 3000V-level high-voltage energy storage components.
- Ultra-high power equipment: Power component testing of ultra-high power equipment such as rail transit traction converters and ship electric propulsion systems.
Product Parameters
PCH 3000V 3kV 3A 5A 10A 15A 20A 25A DC Power Supply 10kW 15kW 30kW 45kW 60kW 75kW
| Model | Rated Output | Model | Rated Output | |||||
| V | A | W | V | A | W | |||
| PCH10K-30H | 3000V | 0~3.333A | 10kW | PCH10K-30HN | -3000V | 0~3.333A | 10kW | |
| PCH15K-30H | 3000V | 0~5A | 15kW | PCH15K-30HN | -3000V | 0~5A | 15kW | |
| PCH20K-30H | 3000V | 0~6.667A | 20kW | PCH20K-30HN | -3000V | 0~6.667A | 20kW | |
| PCH25K-30H | 3000V | 0~8.333A | 25kW | PCH25K-30HN | -3000V | 0~8.333A | 25kW | |
| PCH30K-30H | 3000V | 0~10A | 30kW | PCH30K-30HN | -3000V | 0~10A | 30kW | |
| PCH35K-30H | 3000V | 0~11.67A | 35kW | PCH35K-30HN | -3000V | 0~11.67A | 35kW | |
| PCH40K-30H | 3000V | 0~13.33A | 40kW | PCH40K-30HN | -3000V | 0~13.33A | 40kW | |
| PCH45K-30H | 3000V | 0~15A | 45kW | PCH45K-30HN | -3000V | 0~15A | 45kW | |
| PCH50K-30H | 3000V | 0~16.67A | 50kW | PCH50K-30HN | -3000V | 0~16.67A | 50kW | |
| PCH60K-30H | 3000V | 0~20A | 60kW | PCH60K-30HN | -3000V | 0~20A | 60kW | |
| PCH65K-30H | 3000V | 0~21.67A | 65kW | PCH65K-30HN | -3000V | 0~21.67A | 65kW | |
| PCH70K-30H | 3000V | 0~23.33A | 70kW | PCH70K-30HN | -3000V | 0~23.33A | 70kW | |
| PCH75K-30H | 3000V | 0~25A | 75kW | PCH75K-30HN | -3000V | 0~25A | 75kW | |
| 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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