Inverter speed regulation comprehensive training desk

 

"Variable frequency speed adjustment tr--ning device" is a new inverter speed adjustment tr--ning device launched on the basis of summing up the current frequency conversion speed adjustment tr--ning teaching. This tr--ning device provides advanced frequency conversion technology tr--ning and assessment provides advanced ones. Operation platform. The tr--ning desk can complete the related teaching and tr--ning of the "frequency frequency speed adjustment technology" course. In particular, the system provides open teaching, which can fully cultivate students' actual hands -on ability.

 

2. Product size

 

    Variable frequency speed adjustment tr--ning device size: 534*330*170mm (length*width*height).

 

3. Technical performance

 

1. Enter power supply: three -phase and four lines: ~ 380V ± 10 % 50Hz 50Hz

 

2. Working environment: Temperature -10 ℃ ~+40 ℃ Relative humidity <85 % (25 ℃) altitude <4000m

 

3. Safety protection: This experimental device has a three -phase and four -line leakage protection switch, which has functions such as leakage voltage and automatic cutting of the leakage current. Comply with national security standards.

 

Fourth, system composition

 

Inverter tr--ning component

 

FR-A740-0.4KW three-phase AC 380V power supply. This model is controlled by magnetic flux vector to achieve a 150%torque output of 1Hz operation. 15 sections such as speed and other features. Built -in RWM to achieve lower noise operation. Built -in RS485 communication port. Flexible PWM, achieve lower noise operation.

 

Three -phase rat cage motor: input voltage: 380V, current: 0.4A. Power: 180W

 

5. Tr--ning project

 

Inverter control tr--ning

 

1. Inverter function parameter settings and operations

 

2. Inverter alarm and protection function

 

3. Multi -segment speed selection variable frequency speed adjustment

 

4. External terminal point control control

 

5. External terminal remote control

Feature

1. The entire device is beautiful and generous, the structure is reasonable, the overall sense is strong, and has a strong engineering atmosphere, which can fully reflect the concept of modern laboratories.

2. The equipment is a self -propelled frame structure, and the feet are installed to facilitate the disassembly m--ntenance and handling of the system.

3. The test device of the heat coefficient measurement is based on --r and water vapor as the medium. The water vapor---r heat exchange system is used. The data measurement is accurate, the experimental effect is ideal, and the degree of automation is high.

4. The whole set of experimental devices can choose a smooth tube and strengthening heat exchanges according to the user requirements to compare the effects of two types of heat exchanges.

5. Adopt industrialized automatic steam generators to provide steam sources, condensate solution can be recycled, and steam generators are almost needed. The operation is simple, convenient, and safer.

6. The steam generator design has safe water seals to eliminate hidden dangers caused by the safety valve.

7. The entire system adopts a standard industrial instrument control system and can perform chemical principles experiments. It is also a good platform for process automation and chemical detection instrument experiments.

Device function

1. Be able to verify the experience associated with the experience of circulating heat in the circular direct tube (Dittus-Boelter).

2. It can determine the steam condensation of the outside tube to the thermal coefficient and the total heat transfer coefficient, compared with the thermal coefficient in the tube.

3. Able to determine the thread tube to strengthen the heat transfer coefficient, compared with a smooth tube.

4. Can observe and analyze the status of the vapor of the outside of the tube, distinguish the drip -shaped condensation and membrane -like condensation.

5. The condensation solution can be recycled, and the amount of steam generator supplement the amount of distilled water to the greatest extent can be reduced.

6. Integrated control, high -stable data transmission, hardware encryption.

basic configuration

1 steam generator, 1 sleeve heat exchanger, 1 condenser solution recycrator, 1 vortex pump, 1 pore board flow meter, and 1 pressure sensor.

public facilities

Water: The device comes with 304 st--nless steel automatic steam generator, connects tap water, and water vapor enters the heat exchanger during experiments.

Electric: voltage AC220V, power 4.0kW, standard single -phase three -line system. Each laboratory needs to be configured with 1-2 connection locations (safe and signal places).

Qi: The --r comes from the fan (its own gas source).

Experimental materials: water steam --- --r, outer equipment: none.