1. Instantaneous voltage drop resistance;
2. Output frequency: any one from 500Hz to 1,500Hz
3. Frequency accuracy: 1Hz
4. Duty ratio of output pulse: 16%-100%
5. Indication function;
6. Protection function;
7. Operating mode: panel operation
8. Cooling mode: forced air cooling.
The frequency-conversion power of skin-effect heat tracing system, as a high-performance full-digital electric heat tracing and heating device, is provided with the third generation of IGBT high-power switch as well as an advanced special microprocessor as its controller, forming a complete controlling system. This device is an ideal one for heat tracing for pipes and electricity heating for industrial and mining enterprises. It has good performance, safe and reliable operation, which is operated easily.