711此ID下载地址不存在3--/downloadfile/444manual-66813.pdf MITSUBISHI FR-E540-3.7K-CH Manual FR-E540-3.7K-CH INSTRUCTION MANUAL - MITSUBISHI
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MITSUBISHI FR-E540-3.7K-CH Manual FR-E540-3.7K-CH INSTRUCTION MANUAL

Brand: MITSUBISHI
Product model: FR-E540-3.7K-CH
Name: TRANSISTORIZED INVERTER
Sort: INSTRUCTION MANUAL
File language: English
File size: 0.00MB
"Power: 15kw.
Voltage: 200V.
Brake resistor, a kind of ripple resistance, is mainly used in the mechanical system of the inverter to control the speed of the motor,
Help the motor to be converted into heat energy due to the regenerative power of the motor.
Braking unit principle: the brake unit is composed of a high power transistor GTR and its driving circuit FR-E540-3.7K-CH Manual FR-E540-3.7K-CH INSTRUCTION MANUAL FR-E540-3.7K-CH
Its function is to link the discharge current braking resistor capacitor voltage or not in the range of the time consumed and the DC part "overpressure",
Need to add external braking components, in order to speed up the speed of the consumption of renewable energy. ""MITSUBISHI inverter FR-F720P series.
Voltage level: three phase 200V FR-E540-3.7K-CH Manual FR-E540-3.7K-CH INSTRUCTION MANUAL.
Frequency converter capacity: 0.75KW.
When the inverter is running, the starting current and starting torque of the motor are how?
With the operation of the inverter, with the acceleration of the motor to improve the frequency and voltage,
The starting current is limited to 150% below the rated current (according to the different types of aircraft, 125%~200%).
It is based on the overall effect of three-phase waveform generation,
In order to approach the ideal circular rotating magnetic field in the air gap of the motor,
A generation phase modulation waveform control inscribesthe polygon to approach the circle way FR-E540-3.7K-CH Manual FR-E540-3.7K-CH INSTRUCTION MANUAL.
After practice, it has been improved, that is, the introduction of frequency compensation, can eliminate the error of speed control;
By feedback estimation of flux amplitude, eliminating the influence of stator resistance at low speed, the output voltage and current closed loop,
In order to improve the accuracy and stability of the dynamic.
But there are many control circuit, and no torque is introduced, so the system performance has not been improved.
Frequency converter is a power control device which uses the power of the power semiconductor device to change the power frequency to another frequency,
Can realize the asynchronous motor soft start, variable frequency speed regulation, improve the operation precision, change the power factor, over current / over voltage / overload protection and other functions.
The use of frequency converter motor is in order to speed, and reduce the starting current.
In order to produce a variable voltage and frequency,
The equipment to the power of the AC power conversion to DC (DC), the process is called rectification.
The direct current (DC) is transformed into alternating current (AC) and its scientific term is "inverter" (inverter).
General inverter is the DC power supply inverter for a certain fixed frequency and a certain voltage of the inverter.
For the inverter as the frequency adjustable, adjustable voltage inverter, we called the inverter.
Inverter output waveform is simulated sine wave,
Is mainly used in three-phase asynchronous motor speed control, and also called frequency governor.
For the variable frequency inverter, which is mainly used in the testing equipment off instrument and meter,
To sort out the waveform, you can output the standard sine wave, called the inverter power supply FR-E540-3.7K-CH Manual FR-E540-3.7K-CH INSTRUCTION MANUAL.
The general inverter is 1520 times inverter price.
The main device called "inverter" because of the voltage or frequency of the inverter device ",
Therefore, the product itself is named "inverter", that is: inverter FR-E540-3.7K-CH Manual FR-E540-3.7K-CH INSTRUCTION MANUAL. "
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