Multifunctional numerical-control pulse power supply

The utility model discloses a multifunctional numerical-control pulse power supply. The multifunctional numerical-control pulse power supply comprises a full-bridge inverter circuit, a high-frequency voltage transforming circuit, a secondary rectifying and filtering circuit, a current-equalizing chopper circuit, an EMI filtering circuit, an input soft start circuit, an air cooling system and an auxiliary power supply system. With the multifunctional numerical-control pulse power supply of the utility model adopted, the amplitude, frequency, duty ratio and waveform of output pulses can be adjusted, and output frequency parameters, amplitude parameters, duty ratio parameters and waveform parameters can be continuously adjusted, and therefore, the requirements of different processing conditions can be satisfied. The multifunctional numerical-control pulse power supply of the utility model is advantageous in overall small size, light weight, high efficiency, easiness in implementation, low cost, aid in extensive promotion and application, and great suitability for short electric arc and electric spark machining applications.