Medium Voltage Drive VFD Medium Voltage Drive VFD 2000KW 6KV HIVERT-Y 06/243

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 Introduction

The RMVC 5100 family of drives is thus particularly suitable to retrofit applications as well as applications requiring long cables to the motor. The medium voltage output is achieved directly without the need for an output transformer,
particularly important in order to achieve high motor torque at very low speeds.

 

Feature
On the motor side, the drives provide almost perfectly sinusoidal motor current such that there are no concerns
regarding overheating in the motor or torque pulsations on the motor shaft. The output voltage waveform is multi-level
PWM such that it is close to sinusoidal and compatible with standard motor and cable insulation systems. It also does
not induce any significant stray currents in motor bearings which can otherwise cause early motor bearing failure.
This is all achieved without the need for sinusoidal output filters in all but the most exceptional circumstances

 

Specification

The medium voltage output is achieved directly without the need for an output transformer,
particularly important in order to achieve high motor torque at very low speeds.The output voltage waveform is multi-level
PWM such that it is close to sinusoidal and compatible with standard motor and cable insulation systems.On the motor side, the drives provide almost perfectly sinusoidal motor current such that there are no concerns
regarding overheating in the motor or torque pulsations on the motor shaft. The medium voltage output is achieved directly without the need for an output transformer,
particularly important in order to achieve high motor torque at very low speeds.The output voltage waveform is multi-level
PWM such that it is close to sinusoidal and compatible with standard motor and cable insulation systems.On the motor side, the drives provide almost perfectly sinusoidal motor current such that there are no concerns
regarding overheating in the motor or torque pulsations on the motor shaft.

 

Medium Voltage Drive VFD Medium Voltage Drive VFD 2000KW 6KV HIVERT-Y 06/243

 Medium Voltage Drive VFD Medium Voltage Drive VFD 2000KW 6KV HIVERT-Y 06/243

 The RMVC 5100 family of drives is thus particularly suitable to retrofit applications as well as applications requiring long cables to the motor. The medium voltage output is achieved directly without the need for an output transformer,
particularly important in order to achieve high motor torque at very low speeds.
On the motor side, the drives provide almost perfectly sinusoidal motor current such that there are no concerns
regarding overheating in the motor or torque pulsations on the motor shaft. The output voltage waveform is multi-level
PWM such that it is close to sinusoidal and compatible with standard motor and cable insulation systems. It also does
not induce any significant stray currents in motor bearings which can otherwise cause early motor bearing failure.
This is all achieved without the need for sinusoidal output filters in all but the most exceptional circumstances

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Q:Is the inverter output current proportional to the output torque?
The output voltage of the inverter is proportional to the frequency, which is to keep the motor flux constant, T = KIφ so the motor output torque is proportional to the inverter current.
Q:The emitter E of the inverter inverter module and the AC output U are not directly connected together
Corresponding to a phase of the branch of the IGBT inverter module generally appear in pairs
Q:Three sets of batteries (540V) DC power supply U / f inverter.
It is estimated that the battery should be string - and - series connection method, and then rectifier part of the converter (which may also be caused by the switch) is actually a series of diodes in series, positive and negative after the reverse is actually the battery is Negative shorts, resulting in burning, as to burn only one of the group of a few cells, it should be string - and - string and that group, because the parallel to bear it double voltage.
Q:Will the motor suddenly stop when the inverter is suddenly powered down?
Generally in the absence of external brake or brake case, if the power, the motor is in a free stop state, uncontrolled,will gradually slow down to 0
Q:Can the HP laptop's power adapter be universal?
Power supply low-voltage plug to the same, the voltage to the same, the current is greater than or equal to can be used
Q:A water supply project, how to choose electrodes and frequency converters, such as giving a 7-storey water supply
4. Set by pressure (0.3-0.4Mpa). Control the inverter can be.
Q:What is the difference between AC and DC frequency converters?
Advantages and disadvantages: Advantages: inverter air conditioner with variable frequency power supply, inverter compressor, electronic expansion valve and microcomputer technology, the organic combination of air conditioning to further improve the performance, the use of room temperature fluctuations, better comfort, the better Power supply voltage fluctuation is not sensitive, the compressor starts, the general non-stop, cooling capacity in the range of 35% to 117% change, to avoid the frequent open air-conditioning, to extend the life of the compressor, while efficient, Features. Disadvantages: the price is more expensive, compared with ordinary air conditioning, about 1/3 to 1/4 of the price, at the same time, because the inverter air conditioner control system and frequency conversion system is more complex, higher requirements for components, compared to ordinary air conditioning , Inverter air conditioner failure rate is high, and, due to the use of frequency conversion technology, at the same time, will produce harmonic pollution. What is DC inverter air conditioner? DC inverter air conditioner is relative to the AC inverter air conditioner, in fact, its name is not correct, because the DC and no frequency, it is by changing the DC voltage to adjust the compressor speed, thus changing the air conditioning cooling capacity, It can only be said to be a DC variable speed air conditioning, not strictly in the sense of inverter air conditioner.
Q:Laptop power adapter in the ring is how is it?
Notebook power adapter generally use the switch circuit, the output 12V DC power supply, as the notebook DC / DC converter circuit power supply; In the switch circuit, the most prone to "creak" sound is the switch transformer coil (ringing), or high-voltage filter capacitor (fire);
Q:Can the inverter stop intermittently during operation? If so, how to connect and set up
and the corresponding function of these terminals, you have to in the inverter Set up.
Q:380V 2 pole motor can use the inverter?
Of course, the stator winding can be connected with concentric While enameled wire to be better, preferably 180 degrees or 155, and even dedicated enameled wire

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