Medium Voltage Drive VFD 2000KW 10KV HIVERT-Y 10/154

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Medium Voltage Drive VFD 2000KW 10KV HIVERT-Y 10/154

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

 

 Power module

The inverter section within the drive is of a modular designusing identical power modules connected in series to create
the required medium voltage output. Each power moduleuses a well-proven low-voltage IGTB-based single-phase H-bridge architecture for added reliability, economy and ease of replacement.The standard power module for two-quadrant control
(bi-directional motor speed control without braking) uses a diode rectifier at the front end. An optional power module is available which uses an IGBT-based rectifier to allow power to be returned to the supply allowing full four-quadrant operation (motoring and braking in both directions). This
“Active Front End” is modulated to draw sinusoidal current from the supply and control the input power factor to unity. The AFE version can also be used to continuously return power to the network for renewable energy generation applications such as for wind and tidal turbines.

 

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Q:ASUS notebook power adapter can be universal? is it?
Dear ASUS users, you may wish to refer to the following information: 1, you can use the same power ASUS adapter, is common; 2, the adapter recommended to the service center to buy original adapter, you can ensure the stability of power supply, the machine is not damaged;
Q:Inverter alarm a043, how is it
When a signal failure occurs, use the DTI board, if necessary, change P215. With P806 (Follow the parameter description) during operation can be converted to no encoder operation A043 is: n-actjump exceeds the allowable change speed of the speed encoder signal (P215) In addition, for the synchronous motor (P095 = 12): The motor speed is 2% higher than the inverter release time point. The inverter in the ready state can not exit. Check processing: Check if the cable is disconnected Check the tachometer to shield the ground Not only on the motor side but also on the inverter side The encoder cable does not allow disconnection Use only recommended encoders The encoder cable is not allowed to be laid with the power cable
Q:My inverter is the era TVF8000 series, the motor is 15KW6 pole motor, has been used for 3 years.
For your situation about the summary of recommendations: First, check whether the motor overload and whether the leakage exceeded, Second, check and clean the inverter fan, if the room temperature is high, add the external fan to the inverter cooling Third, if none of the above, then please check the inverter module is burned, replace the module Fourth, if the inverter is no problem, then the motor and load the problem, if the motor problems are not resolved, then only re-select the inverter, please select the time to increase the margin
Q:Variable frequency pump pressure in the very low flow instability, why?
. If you want to stabilize the pressure, you must adjust the pipeline characteristic curve is the work point to enhance, so that you can both stabilize the pressure and adjust the flow.
Q:Laptop power supply 20V 3.5A can use 20V 4.5A power adapter Mody, what impact?
can. For a constant voltage power adapter, the following requirements can be replaced: The replacement of the new power adapter output voltage is the same as or similar to the output voltage of the original power adapter. Replacement of the new power adapter maximum output current is not less than the original power adapter maximum output current. Replacement of the new power adapter with the original power adapter interface definition and shape the same. Replacement of the new power adapter Other non-major electrical performance indicators, not less than the original power adapter of the corresponding indicators. Notebook original power adapter nominal rated current of 3.5A, indicating that the laptop itself does not exceed the input current of 3.5A, for the rated current of 4.5A power adapter, the drive is no problem in this load.
Q:Can the notebook's power adapter be mixed?
In general, the same brand of notebook power adapter, as long as the same wattage, the same interface, can be mixed with. But do not recommend different brands or different wattage power adapter mix. Because the output wattage is different, there may be damage to the notebook, such as voltage instability and so on.
Q:Can the HP laptop's power adapter be universal?
Hello! Thank you for choosing HP products. Based on your description, we recommend that you refer to the following information: Notebook power adapter is generally depends on the adapter interface, input and output of the parameters are consistent, it is recommended that you see the parameters on the power adapter to see if the same, if the agreement then the two machines can be common adapter.
Q:Can the inverter be used to control the speed of the DC motor?
The inverter can be used to control the speed of the DC motor. Inverter control DC motor is to control the DC motor. Inverter is the application of frequency conversion technology and microelectronics technology to change the AC power frequency and effective voltage power control equipment. The frequency converter is usually used to control the AC motor. Inverter at work can change the AC power frequency and effective voltage, another point of view, is the inverter in the control output (injected into the controlled device) AC frequency, but also control the output of the effective power. A DC motor is a rotating electric machine that converts DC power into mechanical energy. DC motor coil in the current must be in accordance with certain changes (commutation) can be rotated, according to the principle of commutation DC motor can be divided into brush and brushless motor two categories.
Q:4 pole 380V 4-5.5KW frequency conversion motor and inverter about how much money, such as the use of electromagnetic speed motor comparison
About 2,000 yuan, electromagnetic speed and vector inverter can bring feedback
Q:Delta VFD-F frequency converter how to adjust the number of poles
Look at the 07 motor parameters, I VFD-F instructions need, then the mailbox sent

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