VVVF Power Supply
Product Overview:
LCX Power-TBP variable voltage & variable frequency power supply adopts AC-DC-AC double conversion architecture, IGBT power device and full digital DSP control with SPWM modulation.
It converts fixed voltage and fixed frequency mains power into AC power with continuously adjustable voltage and frequency.
It can simulate power grid standards of various countries, realize programmable voltage and frequency output, and supply high-quality pure sine-wave AC for product testing and special power occasions.
Built-in isolation transformer provides electrical isolation and strong anti-interference capability.
The equipment supports single-phase / three-phase configuration and power customization, widely used for product certification test, laboratory R&D, aviation, ship and export electrical equipment power simulation.
Typical Applications：
· Export electrical product testing, simulate 50Hz/60Hz grid conditions of different countries
· Laboratory R&D, type test, aging test and reliability verification
· Ground power simulation for aviation, marine and military special equipment
· Performance test for motors, transformers, inverters and other power equipment
· On-site power supply adaptation for imported overseas equipment
· Power disturbance simulation and immunity test for new energy & industrial control industry
Technical Specifications：
1. Topology & Structural Design
AC-DC-AC double conversion topology, full digital DSP closed-loop control, SPWM sine wave modulation.
Built-in isolation transformer, optional single-phase or three-phase structure.
Modular design, support power customization, easy maintenance.
2. Electrical Performance
· Wide adjustable range: output voltage 0customizable, frequency 40-1000Hz programmable
· Pure sine wave output, THD ≤3%, low waveform distortion
· Voltage regulation precision ≤±0.1%, frequency precision ≤±0.01Hz
· Strong overload capacity, withstand 2~3 times rated instantaneous inrush current
· Adapt to resistive, capacitive, inductive and unbalanced three-phase loads
· High conversion efficiency, low input harmonic and high input power factor
3. Complete Multi-level Protection
Input overvoltage/undervoltage, phase loss protection; output overvoltage, overcurrent, short-circuit, over-temperature protection;
overload alarm and shutdown function. Fault recording and acousto-optic alarm.
4.Programmable Function
Support voltage ramp, frequency ramp, step change programming. Preset multiple groups of working modes, convenient for automatic test procedure execution.
5. HMI & Communication Interface
Color touch screen, real-time display voltage, current, frequency, power and running status. Standard RS485, optional Ethernet, Modbus protocol. Support upper computer control and automatic test system docking.
6. Environmental Adaptability
Intelligent temperature-controlled air cooling, fan speed automatic adjustment. Operating temperature: -15℃ ~ +50℃.
Low noise design, suitable for laboratory, workshop and test room indoor environment.
Technical Parameters and Selection
Technical Parameters and Selection
