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PCH 6kW DC Power Supply 1000V 1500V 3000V 6000V
PCH 6kW DC Power Supply 1000V 1500V 3000V 6000V
- 6kW DC Power Supply
- Rated voltage 1000V 1200V 1500V 2000V 3000V 4000V 5000V 6000V 8000V
- Option for negative output voltage -1000V -1200V -1500V -2000V -3000V -4000V -5000V -6000V -8000V
- Low ripple 0.1%FS
- List mode function, Auto Run function
- No overshoot during startup
- Soft start by hardware, and adjustable voltage rise time by software
- Remote ON/OFF control
- Preset function, setting of voltage and current with output open circuit
- Multiple protections: OVP, OTP, ACF and current limit protections
- Standard interface: RS232 & RS485, support ModBus-RTU commands
- Data record and export through PC control software
- Hot keys for data save and recall on PC control software
- Optional analog interface for control and feedback
- Optional LAN interface
- Comprehensive customized solutions case by case
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Twintex PCH 6kW DC Power Supplies are rack mount high voltage power supplies, featuring high power density, high stability and high reliability. The PCH 6kW DC Power Supplies are built in standard 3U chassis and offer standard ratings from 1000V 6A, 1200V 5A, 1500V 4A, 2000V 3A, 3000V 2A to 6000V 1A, 8kV 750mA. Custom output ratings can be customized according to specific test requirements.
Output voltage, current and protection settings are configurable via front panel operation. The local panel functions and programmable features are accessible via PC control software or ModBus-RTU control commands. Test data can be logged and exported to EXCEL file for further analysis.
The 6kW rack mount high voltage power supplies cover a wide range of high voltage and high power test tasks. Typical tests include:
- Aging and durability testing of solar inverters: As the DC-side voltage of photovoltaic systems increases from 600V to 1500V, 1000V is a critical intermediate testing point. 1000V 6A 6kW DC power supply model PCH6000-10H provides high-voltage, full-load (6A/6kW) aging to verify reliability of solar inverters.1500V 4A 6kW DC power supply mode PCH6000-15H
- SiC/GaN power device aging: 1500V 4A 6kW DC power supply and 2000V 3A 6kW DC power supply provide sufficient voltage and power to perform High-Temperature Reverse Bias (HTRB) testing and High-Temperature Gate Bias (HTGB) testing on Silicon Carbide (SiC) MOSFETs or Gallium Nitride (GaN) HEMTs with rated voltages of 1200V/1700V. The 1500V 2000V capability allows for a thorough assessment of the device’s leakage current stability at voltages approaching its breakdown limit, while the 4A current capability can be utilized to drive the device for dynamic switching aging tests.
- High-voltage capacitor aging test: 3000V 2A 6kW DC power supply can be used to conduct rapid charge-discharge lifetime testing on power capacitors rated at 3000V. The 3000V 2A mode delivers a charging rate twice as fast as the 3000V 1A mode, significantly boosting testing efficiency on the production line.
- High-voltage component testing: 6000V 1A DC power supply can be used to perform 6000V-level withstand voltage and insulation resistance tests on high-voltage relays, connectors, and capacitors.
Product Parameters
Programmable High Voltage DC Power Supply 6kW 8kW
| Model | Rated Output | Model | Rated Output | |||||
| V | A | W | V | A | W | |||
| PCH6000-10H | 1kV | 6000mA | 6kW | PCH8000-10H | 1kV | 8000mA | 8kW | |
| PCH6000-10HN | -1kV | 6000mA | 6kW | PCH8000-10HN | -1kV | 8000mA | 8kW | |
| PCH6000-12H | 1.2kV | 5000mA | 6kW | PCH8000-12H | 1.2kV | 6666mA | 8kW | |
| PCH6000-12HN | -1.2kV | 5000mA | 6kW | PCH8000-12HN | -1.2kV | 6666mA | 8kW | |
| PCH6000-15H | 1.5kV | 4000mA | 6kW | PCH8000-15H | 1.5kV | 5333mA | 8kW | |
| PCH6000-15HN | -1.5kV | 4000mA | 6kW | PCH8000-15HN | -1.5kV | 5333mA | 8kW | |
| PCH6000-20H | 2kV | 3000mA | 6kW | PCH8000-20H | 2kV | 4000mA | 8kW | |
| PCH6000-20HN | -2kV | 3000mA | 6kW | PCH8000-20HN | -2kV | 4000mA | 8kW | |
| PCH6000-30H | 3kV | 2000mA | 6kW | PCH8000-30H | 3kV | 2666mA | 8kW | |
| PCH6000-30HN | -3kV | 2000mA | 6kW | PCH8000-30HN | -3kV | 2666mA | 8kW | |
| PCH6000-40H | 4kV | 1500mA | 6kW | PCH8000-40H | 4kV | 2000mA | 8kW | |
| PCH6000-40HN | -4kV | 1500mA | 6kW | PCH8000-40HN | -4kV | 2000mA | 8kW | |
| PCH6000-50H | 5kV | 1200mA | 6kW | PCH8000-50H | 5kV | 1600mA | 8kW | |
| PCH6000-50HN | -5kV | 1200mA | 6kW | PCH8000-50HN | -5kV | 1600mA | 8kW | |
| PCH6000-60H | 6kV | 1000mA | 6kW | PCH8000-60H | 6kV | 1333mA | 8kW | |
| PCH6000-60HN | -6kV | 1000mA | 6kW | PCH8000-60HN | -6kV | 1333mA | 8kW | |
| PCH6000-80H | 8kV | 750mA | 6kW | PCH8000-80H | 8kV | 1000mA | 8kW | |
| PCH6000-80HN | -8kV | 750mA | 6kW | PCH8000-80HN | -8kV | 1000mA | 8kW | |
| Weight | 19~22kg | |||||||
| Dimensions | 482.6Wx132.5Hx533D mm (3U) | |||||||
| AC Input | 3φ4W (L1, L2, L3, PE), 380V±10% 47~63Hz (at default) 1φ3W (L, N, PE), 220V±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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