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3. Principle of city power inverter: After the AC power input is converted into DC filtering by the rectifier, the AC power supply and output are inverted by the SPWM inverter. 4.3.1. Normal inverter mode: The battery is fully charged, and it only supplies inverter output power after AC rectification. 4.3.2. Normal inverter, while giving
150V15A High Voltage Adjustable DC Power Supply Adjustable Switching Power Supply to Mao Mao DC Constant Voltage and Constant Current Power Supply-High Power Switching Power Supply-Adjustable Test Aging Power Supply-DC Adjustable Switching Power Supply, DC Power Supply The chip adopts currently mature imported components, and the power components adopt current international
3.8. The UPS will not be used for a long time after installation. The configured battery will automatically discharge and the chemical energy of the battery will be automatically consumed. According to the surrounding environment, the temperature will be about 25 degrees Celsius. The battery must be charged every three months. At 30 degrees Celsius, the battery needs to be recharged every two months. Just turn on when charging
Features (1) Ultra-wide input voltage range and wide-frequency input to enhance product adaptability (2) The circuit uses the intelligent control design of the MCU chip, which is fully functional and provides more security (3) No-load automatic shutdown in battery-powered mode (4) Comprehensive protection of input and output undervoltage and overvoltage.
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45W Triac Dimmable Switching Power Supply Constant Current Series ■ Features: • Constant output current • Input range 180-250VAC • With PFC correction • Efficiency up to 88% • Protection type: short circuit / overload • Fully protected plastic housing • Installation ratio Other dimming methods Simple power supply • Natural air cooling •
Product use: It is suitable for emergency power supply devices that provide centralized power supply for various lamps (including metal halogen lamps and sodium lamps) in emergency situations such as fires in buildings. 》 Installation: floor, hanging and embedded. 》 Standby time: 90 minutes, national standard type (backup can be configured according to design requirements
Press the mains button, output button, inverter button, battery button and rectifier button to enter the corresponding measurement data display interface. Figure 3 shows the UPS output information and data display by pressing the output button. The meaning of each part in the picture is as follows: ⑴Table title. ⑵Table content: various states and
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