Dynamic balancing machine (meter) calibration zero compensation circuit schematic

Single chip microcomputer STM32L151CCU6
Mobile phone crystal 3.2*2.5mm 3225 26M (26.000MHZ) 7.5PF 10PPM 20PPM 30PPM
The outer diameter of the probe domestically produced PA11-G2 flat-topped gold-plated needle is 1.02mm.

The circuit consists of a phase shift circuit with a sinusoidal signal that can be adjusted from 0° to 360°, a 50% duty cycle conversion circuit, a phase-locked frequency multiplier circuit, and a switched capacitor filter circuit. It has a monolithic integrated filter to obtain a stable standard sinusoidal fundamental wave, which can automatically adapt to changes in different speeds without adjustment. By processing the speed pulse signal by phase shifting, 50% duty cycle conversion and filtering, a sine wave compensation signal whose phase and amplitude can be adjusted arbitrarily is obtained.

Dynamic balancing machine (meter) calibration zero compensation circuit schematic



Off-Grid Solar System

In places where the grid availability is zero or where there are high instances of power cut, Off-grid systems are an apt solution for relief from power cuts and they can be installed with a standalone inverter with a separate or integrated charge controller.

If the off-grid system is designed with appropriate solar panels and Battery, it can supply power throughout the year without ever relying on the grid power. If the system is under designed then the battery is always in very low status. We use inverters from reputed brands like Growatt,Goodwe and HuaWei for our off-grid systems.

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