Dual Loop Control Variable Frequency Drive Controller 3 Phase Speed Control For Steel Plant
Three Phase 10KV 1200KW Medium Voltage Electric Motor Speed Control For Steel Plant And Power Station, with high speed DSP as the control core, uses space voltage vector control technology, power unit series multilevel technology, with high reliability, easy operation and high performance as the design target, meets the user's various load speed control energy saving, improves the production process needs, is a high to high voltage source type frequency converter. Its harmonic finger is less than IEE 519-1992 harmonics national standard, high input power factor, good output waveform quality, no need to use input harmonic filter, power factor compensation device and output filter; no harmonic induced motor additional heat and torque ripple, noise, output dv/dt, common mode electric voltage and other problems, can use common asynchronous (or synchronous) motor.
Features
1. Accurate fault location and recording function
2. Operating voltage, current, frequency record can be querying
3. The frequency setting can be given on the spot, the communication is given, etc.
4. frequency presupposition, acceleration and deceleration function
5. With high power density ahead of the peers
6. Small unit volume, modular design4.Dual loop control power supply
7. The secondary winding of transformer is used as backup control power to ensure the safety of the
system during operation.
8. Multiple control methods
9. Unit bus voltage, temperature display function
10. The choice of local control, remote control box control, DCS control
11. Support MODBUS, PROFIBUS and other communication protocols
12. The whole machine is compact and takes up a small space
13. Perfect protection mechanism
14. The unit contains 7 kinds of protection, and the whole machine is still running after the failure.
15. The whole machine includes the protection of the frequency converter and the protection of the
motor
16. High control performance
17. Built-in PID regulator;
18. It can be adapted to different fields by parameter setting, and the output current harmonics are less
than 2% (rated).
Working principle
Working principle
Specification
| Item | Unit | Data |
| Input Voltage | frequency,voltage | Three phase,50Hz ,6kV(10kV) |
| fluctuation | voltage:-10% ~ +10%,frequency:±5%,-10% ~ -35% |
| Basic feature | Precision | Analog setting:0.3% of the highest frequency setting value |
| Efficiency | >98%,in rating condition |
| Power factor | >0.95 |
| Control factor | The time of acceleration and deceleration | 0.1~6000.0S,acceleration and deceleration time can be set separately |
| The feature of voltage and frequency | Set by the V/F curve |
| PID | the parameters of PID can be set by hand |
| The other functions | V/F curve, Compensation for the low frequency,rated |
| Running | Operation modes | the machine control, remote control, host computer control |
| Frequency setting modes | setting on touch screen, multistage speed setting, analog signal setting (4-20 mA ) |
| Touch screen display | over-current of the motor, over-voltage of the inverter, under-voltage of the inverter, over-current of the cell, over-voltage of the cell, over-heat of the cell, lack phase of cell, communication failure. |
| Protection function | over-current of the motor, over-voltage of the inverter, under-voltage of the inverter, over-current of the cell, over-voltage of the cell, over-heat of the cell, lack phase of cell, communication failure. |
| Environment Ambient | Ambient | Indoor with good ventilation and free from corrosive gas and conductive dust |
| Altitude | Below 1000m. Need to rise the rated power when the altitude is more than 1000m |
| Temperature | -20~+65°C |
| Humidity | 90%RH without dew condensation |
| Vibration | <0.5G |
| Cooling | Forced Air Cooling |
Product Tags:
|
|
Dual Loop Control Variable Frequency Drive Controller Speed Control For Steel Plant Images
|
