Medium Voltage Drive VFD 1100KW 3.3 KV HIVERT-Y 3.3/243

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Perfect Power Output Section

The HIVERT general MV VFD adopts the power cells connected in series and voltage overlapping method (i.e. Power cells multi-level cascade technology), it can output the perfect PWM sinusoidal waveform (see Figure 2 and Figure 3). It has the following advantages:

1. No need for the additional output filter

2. Directly driving general synchronous or asynchronous motor

3. No de-rating operation on the motor

4. No dV/dt stress on the insulation of motor and cables

5. No torque ripple, extending service life of motors and mechanism

6. No cable length restriction within the acceptable voltage drop.

The general MV VFD has the following protection functions and features:

Overload and over-current

Phase loss and grounding

Over voltage

Overheat

Current limit

Redundant control power supply

Cell Bypass (optional)

Cabinet door alarm

Phase-Lock function

Synchronous Switching between VFD and Grid system

Soft start of motor

High efficiency >98% (VFD at full-load)

Electrical Isolation by the optic fiber

Built-in PID regulator

RS485 communication with the protocol, Modbus as standard, optional Profibus-DP, Ethernet,etc

Accurate fault records, easy to check fault history

 Compact structure and layout, customized design is available

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Q:A water supply project, how to choose electrodes and frequency converters, such as giving a 7-storey water supply
1. Select the pressure pump head: 7 * 2.5 (3) = 17.5 (21) meters; this is the number of theory, in fact, should be selected 40 meters, (0.4Mpa).
Q:My inverter is the era TVF8000 series, the motor is 15KW6 pole motor, has been used for 3 years.
Motor current when the current 10A this has no effect on you, the rated current is 31.4A, your inverter is selected how many W, is the fan pump type or universal? Now the motor operating current reached 34-35A, more than the rated current, then the motor may have two problems, one is the motor leakage powerful, and in a motor is overload, resulting in increased current
Q:In the official website to buy ThinkPad notebook, to the power adapter?
Tak City gifted, genuine low, 7 days unconditional return. 300 brand-name notebooks for you to choose.
Q:Delta VFD-F frequency converter how to adjust the number of poles
Go to the official website of some inside a detailed description
Q:How do I protect the inverter when the three-phase two-pole motor is running?
Three-phase two-pole motor running inverter protection, should be based on the protection of tips, check the corresponding manual to deal with. When the inverter protection has a corresponding protection tips (such as over-current, over-voltage, speeding, stall ... ... etc.), the product manual will generally give the corresponding protection tips. According to these measures to check, deal with, you can solve the problem.
Q:Why G120 inverter to be equipped with 4-pole motor?
On the upstairs that the motor parameters to be set on the possible, such as voltage, current, power, power factor, rated efficiency, rated frequency, rated speed, motor overload factor
Q:In the case of the inverter, why can not the normal operation after removing the gearbox? The motor is 4 pole.
If there is a load, it may be less than the torque. So it can not run.
Q:90KW inverter start 90KW, 4-pole motor and 6-pole motor j What is the difference? The inverter can be used for it?
Three-phase AC induction motor, 4-pole speed is generally 1480 rpm, 6-pole speed was 980 rpm
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:If it is 8-pole variable frequency motor, enter the motor nameplate parameters in the inverter input for the 4 pole can?
If the control accuracy is not high, then you can use the ordinary control. Since the choice of the inverter, it is best based on the motor nameplate to set parameters to ensure the stability of the motor running

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