Single-phase variable DC power supply, higher precision, lower ripple, no high frequency radiation disturbance, high stability
WWL-LDX series high-precision constant voltage & constant current linear DC power supply
Brief introduction (single phase input, super low ripple, up to 800V, 6kW)
The WWL-LDX series power supplies have high precision, high stability and perfect protection circuit. Compared to switching mode power supply, it has higher precision, lower ripple, no high frequency radiation disturbance and wider range of applications. It is widely used in electronic parts factories, universities and laboratories for aging and testing of capacitors, relays, transistors, resistors, generators and other electric products
Performance characteristic
1. Spec. range: Over 300 models available, output voltage 0~700V, output current 0~500A,output power 0~6KW available for selection
2. Constant voltage/Constant current (CV/CC): Voltage & current are continuously adjustable from 0 to rated value, auto-switching between CV mode and CC mode
3. Over voltage protection: Over voltage value continuously adjustable from 0 to 110% rated value, auto-shut down when output voltage exceeds the over voltage set point
4. Short protection: Withstanding long-term continuous work or starting up in short status
5. Over load protection: Auto-shut down when power supply or load goes wrong, or output current exceeds 1.5 times of rated value
6. Short alarm: Audible and visual alarm when output has a short circuit (optional)
7. Auto-discharge: used for discharging the capacitive load after shut down
8. Output display: Voltage & current both LED digital display (standard), LCD display (optional) or LCD touch screen display (optional)
9. Pulse working: Time controller can be equipped to make a DC pulse power supply (optional)
10. Intelligence: By connecting to the computer, it can be monitored through computers to be an intelligent power supply
Main application
1. Electrolytic capacitor testing and tantalum capacitor energizing
2. Electronic parts testing, relays, resistors, motors, and transistors aging & routine testing
3. Laboratories, electronic equipments, and auto-test equipments
4. Electronic test & communication equipments and assembly line equipments
5. Electrolysis, electroplating and electrochemistry equipments
6. Other occasion that needs high-precision DC output
Specifications :
1. CV/CC | Voltage/current continuously adjustable from 0 to rated value, auto switching between CC and CV mode |
2. Precision (CV) | Line regulation: ≤0.1% Of the rated value (+/-10% input voltage change) Stability: ≤0.3% of the rated value (continuously working over 8 hours) Temperature Coefficient: ≤0.04% of the rated value Load regulation: ≤0.2% of the rated value (load 0~100%) |
3. Precision (CC) | Line regulation: ≤0.1% Of the rated value (+/-10% input voltage change) Stability: ≤1% of the rated value (continuously working over 8 hours) Temperature Coefficient: ≤0.04% of the rated value Load regulation: ≤0.2% of the rated value (load 0~100%) |
4. Ripple (RMS) | CV: ≤0.01% of the rated value+10mV CC: ≤0.2% of the rated value+10mA (Range: 80%~100% rated output) |
5. Output voltage / current setting | 10-turn Potentiometer (standard); LCD touch screen (optional) |
6. Display mode | Voltage/current LED digital display (standard); LCD display (optional); LCD touch screen (optional) |
7. Display precision | LED: voltmeter 0.1V Ammeter 0.01A (Note: the precision depends on the specification of the power supply) |
LCD: 6 digits display (Note: the precision depends on the specification) | |
8. Display error | LED: voltmeter/ammeter≤1%±1digit; LCD: voltmeter/ammeter≤0.01%±1digit |
Note: Can be customized per customers requirements (range: 1%~100% rated output) | |
9. Short protection | Withstand long-term short and start-up short |
10. Protection mode | Over voltage and over load protections, over current protection with alarm |
11. Working mode | Withstand long-term continuously working at full load |
12. Read output | Single-phase AC 220V±10% 50Hz±10% |
13. Operating environment | Temperature: -20oC-+40oC Humidity: ≤ 80% |
14. Spare parts | Company standard ( fuse, operation CD and other wearing parts) |
700V10A Variable DC Power Supply 7000W
