MITSUBISHI inverter FR-F740 series.
Voltage level: three phase 400V.
Frequency converter capacity: 355KW.
The main circuit of the inverter can be divided into two categories in general: voltage type is the voltage source of the DC converter for AC inverter,
The filtering of the DC circuit is the capacitance; the current mode is the DC conversion of the current source to the AC inverter,
The DC loop filter is the inductor FX3G-40MR/ES-A Hardware Edition Manual FX3G-40MR/ES-A USER'S MANUAL FX3G-40MR/ES-A
Why is the frequency of the inverter voltage proportional to the change?
The electromagnetic torque of any motor is the result of the interaction between the current and the magnetic flux, the current is not allowed to exceed the rated value, otherwise it will cause the heating of the motor FX3G-40MR/ES-A Hardware Edition Manual FX3G-40MR/ES-A USER'S MANUAL.
Therefore, if the magnetic flux decreases, the electromagnetic torque will decrease, which leads to the reduction of the load carrying capacity. Use: can choose any 3 signal relay output from the converter standard output signal.
Applicable frequency converter: FR-A700, FR-F700, FR-E700. MITSUBISHI inverter series: FR-F820.
Voltage level: three phase 200V.
Power: 37kw.
SLD converter rated current: 187A FX3G-40MR/ES-A Hardware Edition Manual FX3G-40MR/ES-A USER'S MANUAL.
Structure and function: Standard model.
Type: CA.
Substrate coating: have.
PID target value can be set directly from the operator panel. Flexible change settings.
In the 1 inverter, through the PID control of parallel connection pump (up to 4 units) can adjust the amount of water and so on.
1 pumps driven by parallel connection of the pump machine, in addition to the pump for power frequency drive.
The number of power frequency driven pump, according to the automatic adjustment of water.
The liquid crystal panel options (FR-LU08) can be converted to a more intuitive display unit% units.
Through the use of wind, temperature and other familiar units can be simple to maintain and adjust the display. MITSUBISHI inverter FR-D720S series.
Voltage level: single phase 200V.
Frequency converter capacity: 0.75KW.
VVVF frequency control, vector control frequency conversion, direct torque control is a kind of AC - DC - AC frequency conversion.
The common drawback is that the input power factor is low, the harmonic current is big, and the DC circuit needs large energy storage capacity,
Renewable energy and can not be fed back to the power grid, which can not be carried out in the four quadrant operation. To this end, the matrix type of AC - AC variable frequency arises at the historic moment.
Because the matrix type alternating current frequency saves the intermediate DC link, thereby, the electrolytic capacitor with large volume and high price can be omitted.
It can achieve a power factor of L, the input current is sinusoidal and can run in four quadrant, the power density of the system is large FX3G-40MR/ES-A Hardware Edition Manual FX3G-40MR/ES-A USER'S MANUAL.
Although the technology is not yet mature, but still attract a large number of scholars in-depth study FX3G-40MR/ES-A Hardware Edition Manual FX3G-40MR/ES-A USER'S MANUAL.
In fact, the quality is not the indirect control current, flux, but the torque is directly used as the control to achieve.