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The Ay series digital DC regulated voltage and current power supply utilizes an IGBT module-based regulation mode, featuring high efficiency, high precision, and high stability; it is primarily designed for use in research institutions, laboratories, and electronic production lines where high-efficiency power testing is required. This product belongs to the category of high-frequency switching power supplies, precision test power supplies, high-efficiency energy-saving power supplies, digital-displayed DC power supplies, and DC power supplies.
Currently, numerous domestic manufacturers of DC motors, DC controllers, capacitors, relays, resistors, and other components utilize the WYK system DC voltage and current stabilization power supply for product testing and aging; additionally, many research institutions, military electronics research institutes, aviation electrical equipment manufacturers, non-ferrous metal enterprises, and other organizations employ this power supply for high-precision scientific research work, earning widespread acclaim.
Switching DC Power Supply Product Features:
- Output display: LED display for output voltage and current;
- Standard 19-inch dimensions, suitable for various workbenches and rack installations;
- Compact size, lightweight, energy-efficient, and highly efficient;
- Constant Voltage/Constant Current Mode: The system features automatic switching between constant voltage and constant current modes; both voltage and current values can be linearly adjusted from zero to their rated values;
- Protection functions: overvoltage protection, overcurrent protection, overheating protection, undervoltage protection, and overload protection;
- Short-circuit characteristics: The device shall be able to withstand prolonged short-circuit conditions during normal operating conditions;
- External compensation: This device supports optional external compensation, which can reduce voltage drops caused by long output circuits;
- Overvoltage Protection Threshold: The output overvoltage protection threshold is adjustable; upon triggering the protection mechanism, the output is cut off and locked, and the system must be restarted to restore operation;
- Communication Functions: Optional special data interfaces are available for data connection and control with other devices or for connection with a PLC;
- External control function: Optional 0–5 V or 4–20 mA signal input to control the output voltage and current of the power supply; (Optional)
- Timer Function: Optional timer-based power-on/off function (Optional).
Differences between switching DC power supply products:
- Improved electronic circuit design, optimized safety performance, and enhanced protection features;
- Optimizing rectification and filtering techniques to effectively reduce the ripple coefficient and minimize high-frequency transients;
- Optimize signal transmission technology to effectively improve power supply accuracy;
- Provides high efficiency for both linear power supplies and silicon rectifier power supplies, resulting in more energy-efficient and high-performance products.
Applications for switching DC power supplies:
- Motor products:Electric vehicle motors, electric vehicle controllers, DC motor testing and aging;
- Electrical Equipment Category: LED testing and aging; energy-saving bulb testing and aging; lighting fixture testing; tungsten filament vaporization, etc.;
- Automotive Sector: automotive electronics, high-power DC motors, automotive motor controllers, vehicle lighting systems, cigarette lighter systems, automotive audio-visual testing, and aging tests;
- Electronic Components: capacitors, resistors, relays, transistors, sensors, etc.;
- Display products: display screens, liquid crystal displays (LCDs), touchscreens, car DVD systems, mobile phone displays, etc.;
- Electrochemical fields: electrolysis, electroplating, anodic oxidation, non-ferrous metals research, etc.;
- Testing and R&D for other products requiring DC power supply, such as magnetrons.
| AC input | Up to 10 kW, single-phase, 220 V ±10% |
| For capacities above 10 kW: three-phase, 380 V ±10% |
| specifications | 0–30 V, 0–50 V, 0–100 V, 0–150 V, 0–200 V, 0–300 V, 0–500 V, 0–800 V, 0–1000 V, 0–1500 V, 0–2000 V, 0–3000 V (available as optional options) |
| 0–10 A, 0–30 A, 0–50 A, 0–100 A, 0–150 A, 0–200 A, 0–300 A, 0–500 A, 0–1 kA, 0–1.5 kA, 0–2 kA, 0–3 kA, 0–5 kA (available as optional options) |
| DC output | Voltage: 0–Nominal Value V (adjustable); Current: 0–Nominal Value A (adjustable) |
| Độ chính xác điều chỉnh điện áp | Source effect: ≤0.3% RMS (the change rate of the output voltage caused by a ±10% variation in the input power supply voltage) |
| Time drift: ≤0.5% RMS (the output voltage change rate caused by continuous power supply operation for more than 8 hours) |
| Temperature drift: ≤0.1% RMS/°C (the rate of change of the output voltage caused by variations in ambient temperature within the specified ambient temperature range) |
| Load effect: ≤0.5% RMS (the output voltage change rate caused by variations in the power supply output current from zero to the rated value) |
| Flow stability accuracy | Source effect: ≤0.3% RMS (the change rate of the output voltage caused by a ±10% variation in the input power supply voltage) |
| Time drift: ≤1% RMS (the output voltage change rate caused by continuous power supply operation for more than 8 hours) |
| Temperature drift: ≤0.3% RMS/V°C (the rate of change of the output voltage caused by variations in ambient temperature within the specified ambient temperature range) |
| Load effect: ≤0.5% RMS (the output voltage change rate caused by variations in the power supply output current from zero to the rated value) |
| output ripple | Stabilization range: ≤0.3% + 10 mV (rms) (root mean square value) |
| Stable current condition: ≤0.5% + 10 mA (rms) (root mean square value) |
| Output Display | LED Display: Accuracy: ±1% +1 digit |
| Display format: 00.00V–19.99V; 000.0V–199.9V; 0000V–1999V; |
| Voltage–Current Settings | Potentiometer (10 turns) |
| Overvoltage Protection | Equipped with built-in O.V.P protection; the protection threshold is set at the rated value +5%. Upon activation of the protection function, the output will be shut down, and the system must be restarted to unlock it. |
| overcurrent protection | Overload, short circuit, constant current output |
| Temperature Protection | The device features built-in O.T.P. protection with a protection setpoint of 85°C ± 5% (heater temperature); upon activation of the protection function, the output is shut down. |
| Output polarity | The positive (+) and negative (-) outputs may be grounded at any point. |
| Heat dissipation method | air blast cooling |
| operational environment | Indoor use design: Temperature: 0°C–40°C; Humidity: 10%–85% RH |
| Storage Environment | Temperature: -20°C to 50°C; Humidity: 10%–90% RH |
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