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PCH 8kW 1000V 2000V 4000V 8kV High Voltage DC Power Supply
PCH 8kW 1000V 2000V 4000V 8kV High Voltage DC Power Supply
- 1000V 2000V 4000V 8kV High Voltage DC Power Supply
- Rated voltage 1000V 1200V 1500V 2000V 3000V 4000V 5000V 6000V 8kV
- Option for negative output voltage -1000V -1200V -1500V -2000V -3000V -4000V -5000V -6000V -8kV
- 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 8kW series programmable high voltage DC power supplies offer the following voltage/current ratings as standard configuration:
| 1000V 8A 8kW | 2000V 4A 8kW | 5000V 1.66A 8kW |
| 1200V 6.66A 8kW | 3000V 2.66A 8kW | 6000V 1.33A 8kW |
| 1500V 5.33A 8kW | 4000V 2A 8kW | 8000V 1A 8kW |
Unlike standard high-voltage withstand testers—which typically supply only a few milliamperes of current—this PCH 8kW series high voltage DC power supply’s current capability signifies that the unit is capable of performing not only high-voltage insulation withstand tests but is also fully equipped to handle testing scenarios that require actual power loading, specifically High-voltage Current-Carrying Test.
Unlike a simple voltage withstand test (which merely applies voltage and measures leakage current in the microampere range), a current-carrying test aims to verify the device’s performance under actual operating conditions, specifically assessing conductive reliability, thermal stability, and electrical life. A 8kW high voltage DC Power supply constitutes a critical component of both factory inspections and type testing for products such as high-voltage DC fuses, relays, connectors.
- High-voltage DC fuses: The current-carrying test for high-voltage DC fuses primarily verifies that, under rated DC voltage and rated current, the fuse can operate stably over the long term without spurious blowing, and that its temperature rise remains within the permissible range. A 2000V 4A or 4000V 2A high voltage DC power supply is suitable for current-carrying test of DC fuses rated at 2000V 2400V 3000V 3600V 4000V.
- High-voltage relays/connectors: The core of factory product inspection is to verify the contact reliability and temperature rise of each relay under its rated high voltage and rated current. A 6kV or 8kV 8kW high voltage DC power supply can be utilized in product inspection of relays/connectors rated at 3kV 4kV 5kV.
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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