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MITSUBISHI FR-D720-0.75K BASIC Manual FR-D720-0.75K Instruction manual
Product model: FR-D720-0.75K
Name: INVERTER
Brand: MITSUBISHI
Sort: BASIC Instruction manual
File language: English
"Power: 15kw.
Voltage: 400V.
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-D720-0.75K BASIC Manual FR-D720-0 FR-D720-0.75K75K Instruction manual.
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 series: FR-F840.
Voltage level: three phase 400V FR-D720-0.75K BASIC Manual FR-D720-0.75K Instruction manual.
Power: 3.7kw.
SLD converter rated current: 8.3A.
Structure and function: Standard model.
Type: CA.
Substrate coating: have.
2 times the power consumption of the wind turbine and pump and the speed of the 3 power consumption is proportional to the speed of the rotating speed.
Through the speed control of the frequency converter to adjust the air flow, can reduce the power consumption.
Give full play to the performance of the motor FR-D720-0.75K BASIC Manual FR-D720-0.75K Instruction manual.
The excitation current is always adjusted to the best state, which can improve the efficiency of the motor.
Load torque is smaller, can further improve energy efficiency.
For example, when a general motor is used, the optimal excitation control mode in the 4% motor load torque is about 30% more than that of the V/F control. Input output cable for A6TBXY36 type connector / terminal row conversion module.
Length 1.5M. The adapter with PT100 type temperature sensor (FX3U- - racy -BD)MITSUBISHI inverter FR-D720 series.
Voltage level: three phase 200V.
Frequency converter capacity: 7.5KW.
Vector control variable frequency speed control is the practice of the asynchronous motor in the three-phase coordinate system of the stator current Ia, Ib, Ic, through the three-phase to two-phase transformation,
The alternating current of Ia1Ib1 is equivalent to a two phase stationary coordinate system, and then is rotated by the rotor field oriented,
Equivalent to the DC current Im1, It11 (Im1 equivalent to DC motor excitation current in synchronous rotating coordinate system;
It1 equal to the armature current proportional to the torque, and then imitate the DC motor conttrol method, to obtain the DC motor control,
The control of asynchronous motor is realized through the corresponding inverse coordinate transformation FR-D720-0 FR-D720-0.75K BASIC Manual FR-D720-0.75K Instruction manual. 75K BASIC Manual FR-D720-0.75K Instruction manual.
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