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PCH 12kV 1A 2A 3A 4A 5A 6A 7A 8A High-voltage DC Power Supply
PCH 12kV 1A 2A 3A 4A 5A 6A 7A 8A High-voltage DC Power Supply
- PCH 12kV 1A 2A 3A 4A 5A 6A 7A 8A High-voltage DC Power Supply
- Rated voltage 12kV
- Negative polarity at request
- Rated power 8kW 12kW 24kW 36kW 48kW 60kW 72kW 96kW
- 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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These 12kV high-power, high-voltage DC power supplies – power range scaling from 8kW to 96kW – address testing requirements ranging from high to ultra-high power levels. Simply put, higher power capabilities allow for handling larger and more complex test loads; applications extend from testing individual components to comprehensive system-level burn-in testing, covering the vast majority of rated-voltage aging test and accelerated aging test needs for medium-to-high voltage electronic components. The primary devices under test are high-voltage components in the 8kV, 10kV, and 12kV voltage classes.
Common 8kV, 10kV, and 12kV class high-voltage components:
| Power Semiconductor Devices | Passive Components and Other Assemblies |
| 88kV / 10kV / 12kV High-current rectifier module | 8kV / 10kV / 12kV High-voltage ceramic capacitors |
| 8kV / 10kV / 12kV General-purpose high-voltage diode | 8kV / 10kV / 12kV High-voltage film capacitors |
| 8kV / 10kV / 12kV Fast-recovery diode | 8kV / 10kV / 12kV High-voltage non-inductive resistor |
| 8kV / 10kV / 12kV High-voltage thyristor (SCR) | 8kV / 10kV / 12kV Switching devices |
| 8kV / 10kV / 12kV High-voltage MOSFET | 8kV / 10kV / 12kV High-voltage relay |
Typical application scenarios include:
- 12kV 1A High-voltage DC Power Supply (8kW – 12kW): Medium-to-High Power Component and Module Testing
High-voltage capacitor, resistor, and relay burn-in
Small-to-medium power inverter/UPS burn-in
High-voltage electron tube testing
- 12kV 2A – 3A High-voltage DC Power Supply (24kW – 36kW): High-Power Component and Power Electronics Module Testing
High-power IGBT/SiC modules; high-power high-voltage electron tube and magnetron burn-in
Automotive DC/DC converter and high-voltage relay testing
Medium-power inverter/UPS and PV inverter burn-in
- 12kV 4A – 6A High-voltage DC Power Supply (48kW – 72kW): System-Level and New Energy Component Testing
New energy vehicle battery pack, motor, and controller testing
High-power UPS and industrial variable frequency drive (VFD) burn-in
Scientific particle accelerators and high-energy physics experiments
- 12kV 7A – 8A High-voltage DC Power Supply (72kW – 96kW): Ultra-High Power Systems and Extreme Testing
Megawatt-class inverter and energy storage converter (PCS) burn-in
Large-scale new energy vehicle system (e.g., electric bus) testing
Industrial-grade plasma generator and large motor testing
Specialty high-voltage transformer and circuit breaker testing
Product Parameters
PCH 12kV 1A 2A 3A 4A 5A 6A 7A 8A High-voltage DC Power Supply
| Model | Rated Output | Model | Rated Output | |||||
| V | A | W | V | A | W | |||
| PCH08K-120H | 12kV | 0~0.667A | 8kW | PCH08K-120HN | -12kV | 0~0.667A | 8kW | |
| PCH12K-120H | 12kV | 0~1A | 12kW | PCH12K-120HN | -12kV | 0~1A | 12kW | |
| PCH16K-120H | 12kV | 0~1.333A | 16kW | PCH16K-120HN | -12kV | 0~1.333A | 16kW | |
| PCH20K-120H | 12kV | 0~1.667A | 20kW | PCH20K-120HN | -12kV | 0~1.667A | 20kW | |
| PCH24K-120H | 12kV | 0~2A | 24kW | PCH24K-120HN | -12kV | 0~2A | 24kW | |
| PCH28K-120H | 12kV | 0~2.333A | 28kW | PCH28K-120HN | -12kV | 0~2.333A | 28kW | |
| PCH32K-120H | 12kV | 0~2.667A | 32kW | PCH32K-120HN | -12kV | 0~2.667A | 32kW | |
| PCH36K-120H | 12kV | 0~3A | 36kW | PCH36K-120HN | -12kV | 0~3A | 36kW | |
| PCH48K-120H | 12kV | 0~4A | 48kW | PCH48K-120HN | -12kV | 0~4A | 48kW | |
| PCH60K-120H | 12kV | 0~5A | 60kW | PCH60K-120HN | -12kV | 0~5A | 60kW | |
| PCH72K-120H | 12kV | 0~6A | 72kW | PCH72K-120HN | -12kV | 0~6A | 72kW | |
| PCH84K-120H | 12kV | 0~7A | 84kW | PCH84K-120HN | -12kV | 0~7A | 84kW | |
| PCH96K-120H | 12kV | 0~8A | 96kW | PCH96K-120HN | -12kV | 0~8A | 96kW | |
| 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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