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PCL 20kW Programmable DC Power Supply 20V 1000A to 20V 1000A to 1000V 20A & 2000V 10A
PCL 20kW Programmable DC Power Supply 20V 1000A to 20V 1000A to 1000V 20A & 2000V 10A
- 20kW Programmable DC Power Supply
- Output ratings from 20V 1000A to 1000V 20A & 2000V 10A
- 6U rack-mount design
- Low ripple, high stability
- List mode function
- Auto Run function
- Interlock loop function
- No overshoot during startup
- Soft start by hardware, and adjustable voltage rise time by software
- 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 PCL 20kW series Programmable DC Power Supply consists of two paralleled 10kW modules and supports customization, offering an output range from 20V/1000A to 2000V/10A, capable of continuous full-power operation. Its high reliability makes it ideal for burn-in and static testing applications: for burn-in testing, it provides full-load or cyclic power to devices such as PV inverters, motor controllers, on-board chargers, and power modules; for static testing, it facilitates the measurement of parameters including withstand voltage, insulation resistance, efficiency curves, and ripple. Additionally, it is suitable for industrial applications like electroplating and electrolysis, serving as a cost-effective DC power platform for both mass production testing and R&D validation.
Below are the specific testing and application scenarios for four typically used models, from low voltage to high voltage.
20V 1000A 20kW Programmable DC Power Supply PCL20-1000: This specification is designed for electrochemical and industrial processing scenarios requiring very high currents.
- Precision Electroplating and Surface Treatment: Used for processes such as precious metal plating (gold, silver, rhodium, etc.), PCB plating, and aluminum foil etching; the high current ensures uniform coating and strong adhesion.
- Battery and Automotive Electronics Testing: Used for controlled charge/discharge testing of storage batteries and high-current testing in the automotive electronics and green energy sectors.
50V 400A 20kW Programmable DC Power Supply PCL50-400: This specification covers 12V, 24V, 36V, and 48V devices, with applications leaning towards industrial manufacturing and component burn-in.
- Electronic Component Burn-in Testing: Used for high-current burn-in testing of electronic components such as resistors, relays, and motors.
- Electrolytic and Tantalum Capacitor Forming: Specifically designed for capacitor burn-in and forming processes.
1000V 20A 20kW Programmable DC Power Supply PCL1000-20: This specification represents a typical high-voltage application, serving high-end manufacturing and ATE systems.
- High-Voltage Component Testing: Used for testing high-voltage motors, high-voltage DC motors, and similar equipment.
- Scientific Research and Laboratories: Serves as a general-purpose power supply for high-voltage experiments.
2000V 10A 20kW Programmable DC Power Supply PCL2000-10: This specification features ultra-high voltage output, primarily serving high-voltage power electronics, scientific research, and high-end manufacturing.
- High-Voltage Electrical and Lighting Testing: Used for high-voltage testing and burn-in of lighting products (such as LEDs and energy-saving lamps), as well as withstand-voltage testing for switching power supplies and power adapters.
- High-Voltage Component Burn-in: Used for high-voltage burn-in testing of components such as capacitors, resistors, and relays.
Product Parameters
PCL 20kW Programmable DC Power Supply 20V 1000A to 20V 1000A to 1000V 20A & 2000V 10A
| Model | Rated Output | Model | Rated Output | |||||
| V | A | W | V | A | W | |||
| PCL20-1000 | 20V | 1000A | 20kW | PCL20-1200 | 20V | 1200A | 24kW | |
| PCL30-666 | 30V | 666.7A | 20kW | PCL30-1000 | 30V | 1000A | 30kW | |
| PCL40-500 | 40V | 500A | 20kW | PCL40-750 | 40V | 750A | 30kW | |
| PCL50-400 | 50V | 400A | 20kW | PCL50-600 | 50V | 600A | 30kW | |
| PCL60-333 | 60V | 333.3A | 20kW | PCL60-500 | 60V | 500A | 30kW | |
| PCL80-250 | 80V | 250A | 20kW | PCL80-375 | 80V | 375A | 30kW | |
| PCL100-200 | 100V | 200A | 20kW | PCL100-300 | 100V | 300A | 30kW | |
| PCL150-133 | 150V | 133.3A | 20kW | PCL150-200 | 150V | 200A | 30kW | |
| PCL200-100 | 200V | 100A | 20kW | PCL200-150 | 200V | 150A | 30kW | |
| PCL300-66 | 300V | 66.6A | 20kW | PCL300-100 | 300V | 100A | 30kW | |
| PCL400-50 | 400V | 50A | 20kW | PCL400-75 | 400V | 75A | 30kW | |
| PCL500-40 | 500V | 40A | 20kW | PCL500-60 | 500V | 60A | 30kW | |
| PCL600-33 | 600V | 33.33A | 20kW | PCL600-50 | 600V | 50A | 30kW | |
| PCL800-25 | 800V | 25A | 20kW | PCL800-37 | 800V | 37.5A | 30kW | |
| PCL1000-20 | 1000V | 20A | 20kW | PCL1000-30 | 1000V | 30A | 30kW | |
| PCL1500-13 | 1500V | 13.3A | 20kW | PCL1500-20 | 1500V | 20A | 30kW | |
| PCL2000-10 | 2000V | 10A | 20kW | PCL2000-15 | 2000V | 15A | 30kW | |
| Assembly | 2 modules in parallel | |||||||
| Dimensions | 482.6Wx265Hx533D mm (6U) | |||||||
| Weight | Approx 56kg | |||||||
| AC Input | 3φ4W (L1, L2, L3, PE), 380V±10% 47~63Hz (at default) 3φ4W (L1, L2, L3, PE), 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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