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High-Power Adjustable DC Power Supply
R-SPS10020 0-20A 0-100V 2000W for Power
Electronics Prototyping
Key Features
0–100V Adjustable Output for Power Electronics Prototypes
The NICE-POWER R-SPS10020 series provides an adjustable DC output from 0–100V, with a maximum output current of 20A and rated output power of 2000W. It can supply DC input power to compatible power electronics prototypes, experimental circuits, and electronic modules during development. The wide output adjustment range allows engineers to establish suitable supply conditions for different prototype designs, provided the voltage, current, and total power requirements remain within the power supply's ratings.
Constant Voltage and Constant Current Operating Modes
The power supply supports Constant Voltage (CV) and Constant Current (CC) operating modes, with corresponding indicators on the front panel. These modes help users configure the source according to the electrical requirements of the prototype circuit. The appropriate operating mode and output settings depend on the circuit design and development procedure; they do not replace dedicated protection circuits or external measurement instruments.
Encoder Adjustment for Manual Circuit Setup
The front-panel encoder knob allows users to adjust output settings when preparing a new circuit or changing the supply conditions during prototype development. The output ON/OFF control helps manage power delivery during wiring checks, component changes, and bench setup. These controls support manual operation and do not imply automatic voltage sequencing or programmable test profiles.
Voltage, Current, and Power Readings
The four-digit voltage and current display provides visible output readings, while the power display shows output power information during operation. Engineers can refer to these readings when supplying a prototype and documenting the DC input conditions used in an experiment. These displays represent the power supply's own output readings and do not independently measure circuit efficiency, component temperature, switching waveforms, or transient response.
Model Options for Different Connectivity Requirements
The R-SPS10020 and R-SPS10020-R share the same listed output ratings and other core technical specifications, with communication connectivity differing by model configuration.
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R-SPS10020: No communication interfaces; suited to front-panel operation.
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R-SPS10020-R: Equipped with USB, RS-232, and RS-485 communication interfaces.
Select the model according to the needs of the development bench. Before connecting the R-SPS10020-R to external equipment, confirm the supported interface configuration and communication protocol. The presence of communication interfaces does not by itself guarantee compatibility with specific software, remote-control commands, or automated test functions.
Applications
Power Electronics Prototype Power-Up
Use the R-SPS10020 series as the DC input source when powering a newly assembled power electronics prototype for the first time. Confirm the circuit's input voltage limits, current requirements, polarity, and startup demand before applying power. Set the output within the prototype's permitted operating range and observe the power supply's displayed readings as the circuit is energized.
DC Power Circuit Design Development
Provide adjustable DC input power to experimental power circuits, converter stages, and electronic assemblies during design development. The 0–100V output range accommodates compatible prototypes with different DC input requirements, while the 20A maximum current and 2000W rated output power define the operating limits. Engineers can change supply settings manually when preparing different bench conditions, provided the connected circuit remains within the source's ratings.
Power Stage Operating-Point Evaluation
During circuit development, engineers may need to examine a prototype at selected input voltage and current conditions. The R-SPS10020 series can provide the DC input for these experiments, while its output display helps users observe the supply's readings during operation. Measurements of switching performance, conversion efficiency, output ripple, or dynamic response require suitable external instruments and an appropriate test arrangement.
Electronic Prototype Integration and Laboratory Experiments
Use the R-SPS10020 series to supply compatible electronic modules before they are integrated into a larger power electronics system. The front-panel encoder, CV/CC indicators, output ON/OFF control, and displayed output readings support practical bench setup and manual power adjustment. For computer-connected development setups, select the R-SPS10020-R when its communication interfaces are required, and verify protocol and software compatibility separately.
Quality Check and Terms of Service:
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Package Includes: DC Power Supply × 1, Output Power Cord × 1, Input Power Cord × 1, User Manual × 1, Warranty Card × 1.
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Certifications: Has passed CE & FCC Certification.
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Quality Inspection: All DC power supplies and accessories are inspected before shipment to ensure good quality.
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Customer Support: Contact us with any questions, and we'll respond within 24 hours.
Technical Specifications
| Parameter |
Specification |
| Model Options |
R-SPS10020 / R-SPS10020-R |
| Product Type |
High-Power Adjustable DC Power Supply |
| Rated Output Power |
2000W |
| Output Voltage |
0–100V |
| Output Current |
0–20A |
| Load Regulation — Voltage |
≤0.1% + 10mV |
| Load Regulation — Current |
≤0.1% + 2.5mA |
| Line Regulation — Voltage |
≤0.01% + 2.5mV |
| Line Regulation — Current |
≤0.1% + 2.5mA |
| Voltage Setting Resolution |
10mV |
| Current Setting Resolution |
10mA |
| Voltage Readback Resolution |
10mV |
| Current Readback Resolution |
10mA |
| Voltage Setting Accuracy |
≤0.05% + 10mV |
| Current Setting Accuracy |
≤0.01% + 10mA |
| Voltage Readback Accuracy |
≤0.05% + 10mV |
| Current Readback Accuracy |
≤0.01% + 10mA |
| Voltage Ripple (20Hz–20MHz) |
≤3500mVp-p / ≤1200mVrms |
| Current Ripple (20Hz–20MHz) |
≤200mArms |
| Rise Time, No Load |
≤100ms |
| Rise Time, Full Load |
≤150ms |
| Fall Time, No Load |
≤35s |
| Fall Time, Full Load |
≤50ms |
| Dynamic Response |
≤20ms |
| Efficiency |
≥85% |
| Communication Interfaces — R-SPS10020 |
None |
| Communication Interfaces — R-SPS10020-R |
USB, RS-232, and RS-485 |
| Operating Temperature |
0°C–40°C |
| Approximate Product Dimensions |
33 × 27 × 9cm |
| Approximate Net Weight |
3.7kg |
Why Choose NICE-POWER R-SPS10020?
Developing a power electronics prototype requires a DC source that can be adjusted to suit the electrical requirements of the circuit. The NICE-POWER R-SPS10020 series combines a 0–100V adjustable output, a maximum current of 20A, and rated output power of 2000W for compatible power electronics development and laboratory experiments.
Its CV/CC operating modes, encoder adjustment, output ON/OFF control, and voltage, current, and power displays support manual supply configuration during prototype assembly and evaluation. The two model options offer the same listed output capability, with the R-SPS10020 designed for front-panel operation and the R-SPS10020-R providing USB, RS-232, and RS-485 communication interfaces.
Before use, verify the prototype's input voltage limits, current demand, startup requirements, wiring capacity, and total power consumption. The R-SPS10020 series provides DC input power; it does not independently measure circuit efficiency, switching behavior, component temperature, or output ripple. Appropriate external instruments are required for those measurements.
