• Frequency inverter 0.4kw ac motor speed controller System 1
  • Frequency inverter 0.4kw ac motor speed controller System 2
Frequency inverter 0.4kw ac motor speed controller

Frequency inverter 0.4kw ac motor speed controller

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1 kg
Supply Capability:
100000 kg/month

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Introduction of SVF-G7 Series High-performance Vector General-purpose Frequency Inverter

  

1. Voltage class: 380V

 

2. Range of power: 0.4KW~450KW

 

3. Stable and reliable Control Mode

 

(1) VF control: Multiple curve could been chosen, Linear V/F curve, 2.0 times power drop torque V/F curve, custom V/F percentage(can realize manual energy saving control), multipoint VF curve. This apply to the situation that one frequency inverter drives multiple motors, such as fan, water pump, engraving machine, injection molding machine etc.

 

(2) Open-loop vector control: Steady speed with high precision, wide range of speed governing, as the speed ratio is 1:200 and 180% rated torque could be output in 0.5Hz. Good dynamic performance.

 

Open-loop vector is suitable for high-Performance universal occasions such as machine tools, centrifuges, cranes and handling equipment, rolling mill and other loads.

 

(3) Torque control: Fast torque response,<20ms, precision torque: <5%, applied to winding, drawing and other occasions.


Frequency inverter 0.4kw ac motor speed controller


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Q: Notebook power adapter on how to look at power
It should be noted that there are many in Japan to buy a notebook or over there in the parallel imports, input only support 110V in China is not used, because the Chinese standard is 220V. Now the subject is 90W 20V. Output voltage and power will be identified, such as the target for the 90W 20V, that output power is 90W, the output voltage is 20V. If only the output voltage and output current are identified,
Q: Can the inverter stop intermittently during operation? If so, how to connect and set up
One of these terminals is a common terminal, which leads from the common terminal and is connected to the corresponding terminal via the relay contact
Q: How is the notebook with a power adapter?
The safest option is to choose the same type of notebook power adapter. When in some cases (the original adapter is too expensive or not available), you can select the operating parameters and output connectors and the original adapter.
Q: Do you want to pay attention to the number of poles of the motor when selecting the inverter?
Inverter selection is mainly to see the power, and then pay attention to voltage problems. Finally look at what your motor is carrying.
Q: Who knows how the frequency converter works
3. Control circuit Now the basic converter with 16-bit, 32-bit microcontroller or DSP as the control core, in order to achieve full digital control. The frequency converter is the output voltage and frequency adjustable speed control device. The circuit that provides the control signal is called the main control circuit. The control circuit is composed of the following circuits: "operation circuit" of frequency and voltage, "voltage and current detection circuit" of main circuit, and "speed detection circuit" of motor. The control signal of the operation circuit is sent to the "drive circuit" and the "protection circuit" of the inverter and the motor Inverter to take the control mode, that is, speed control, turn control, PID or other means
Q: What is the adapter?
Easy to join the Electronics (China) Co., Ltd. to sell the type of adapter and the purchase of different adapters:
Q: ASUS and dell notebook power adapter can be universal?
You do not indiscriminate use as well, we recommend that you contact the after-sales department for your service.
Q: Oil-free vertical vacuum pump why a little negative pressure inverter on the torque limit
Here is not the inverter can solve the problem, you should first 220V single-phase AC rectifier for the DC (full-wave rectifier plus filter about 310 volts),
Q: Why G120 inverter to be equipped with 4-pole motor?
I add point with the premise of the inverter is to understand the mechanical load characteristics (or process, etc.), can the parameters set.
Q: The emitter E of the inverter inverter module and the AC output U are not directly connected together
Pairs of modules are connected in a phase branch The phase output is derived from the neutral point between the modules

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