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SP-300 Series Single-phase Programmable AC Power Supply
SP-300 Series Single-phase Programmable AC Power Supply

It is a switching mode single-channel output high-precision programmable AC power source, which adopts high speed DSP+CPLD control, high frequency PWM power technology and active PFC design to realize AC/DC stable output. It is featured with high power density, high reliability and high precision, meanwhile it possesses operation interface of touch screen and keys manually. It is able to analog output normal or abnormal input for electrical device to meet test requirements. Meet the verification of power electronics, motors, lighting, avionics, automotive electronics research and development quality assurance laboratory, as well as the production test verification of factory production line.


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◆ Large color touch screen with intuitive interface, easy to operate

◆ Features AC, DC, AC+DC output modes, AC+DC output mode for voltage DC offset simulation

◆ Turn on, turn off phase angle control, 0-359.9°

◆ Output frequency: 15-1200Hz, programmable slew rate setting for changing voltage and frequency

◆ High output current crest factor which is ideal for inrush current testing

◆ Built-in power meter function, can real-time measure 15 electrical parameters such as RMS voltage, current, power, apparent power and etc. This series AC source can measure up to 40 orders of the voltage or current harmonics. Support LIST/PULSE/STEP modes to simulate all kinds of power line disturbance conditions

◆ Triac Dimmer function for dimming/governor simulation function

◆ weep function for efficiency testing and shows voltage and frequency value at max power 

◆ Multiple current range to make current measurement more accurate

◆ Front panel USB interface supports CSV format to import waveform

◆ OCP/OVP/OPP/OTP/reverse current protection/short circuit protection

◆ Programmable voltage and current limit, support CC mode

◆ Support up to 2 units in series, 4 units in parallel

◆ Support three phase power output, can simulate three phase unbalanced output

◆ Support external analog input control and TTL electrical level output

◆ Two versions to meet the cost performance and different applications