High Voltage Frequency Drive 6.6KV 450KW VFD

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Tianjin
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1 unit
Supply Capability:
100000 unit/month

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Product Description:

General  Introduction

  • No need of extra output filtering device

  • Directly driving the general medium voltage synchronous or asynchronous motor and the temperature of the motor will not be increased.

  • No need of motor derating operation

  • No dv/dt damage to insulation of motor and cable

  • No torque ripple induced by harmonics, and the service life of motors and mechanism devices can be extended

  • No cable length limited when voltage drop is in the allowable range.

Besides the above advantages,  medium voltage variable frequency drive has the following functions :

  • Protection of overload, overheat, over-current, open-phase, grounding, over-voltage, negative sequence.

  • Current limited function

  • Interlock protection of control power supply

  • Two sets of control power hot standby for redundancy

  • Power cell by-pass function

  • Control cabinet automatic bypass function

  • Cabinet door opening alarm function

  • Lock-phase function

  • Synchronizing switch function between variable frequency and power frequency (optional)

  • Soft start of motors, no impact to mechanical equipment and network

  • Voltage source High-high variable frequency drive, it can realize No-step speed regulation, which makes the typical motors into intelligent motors.

 Medium voltage variable frequency drive has the following  features:

  • High quality power input: By phase shifting of the secondary winding and multi-pulse diode rectifier, isolated powers can be acquired and supplied for power cells. (18 pulses for 3/3.3kV, 30/36 pulses for 6/6.6kV, 48/54 pulses for 10/11kV) By using the technique of multi-pulse rectifier, the harmonic current could be eliminated greatly.
  • Power cell communicate with controller through optic-fiber, completely electric isolated

  • Inner set PID regulator, can realize running in closed-loop

  • Multiple communication methods with host computer, isolated RS485 interface, standard MODBUS RTU, communication protocol, PROFIBUS DP (optional), industrial Ethernet communication protocol (optional)

  • Accurately fault records, can inquiry information and locate fault

  • Compact construction, reasonable layout (can do customer-design)

  • Very good protective design to dust, ferrum pulveratum, acid mist, moisture etc.

  • Bypass cabinethas a function of "five-protection", meanwhile, it has a pressure relief channel to ensure the safety of operators.

  • Modularized design of power units, interchangeable and easy to produce and repair.

 

Specification

 

Model

A03/050~
A03/100

A03/100~
A03/175

A03/175 ~A03/220

A03/220~A03/400

A03/220~A03/610

Capacity(kVA)

250~630

630~900

900~1150

1150~2000

2000~3125

Rated output current (A)

50~100

100~175

175~220

220~400

400~610

Motor power (kW)

200~400

400~710

710~900

900~1600

1600~2500

Input frequency

45Hz~55Hz

Rted input voltage

3000V±10%

Input power factor

0.95 (>20%load)

Efficiency

0.96 with rated load

Output frequency

0.5Hz~120Hz

Frequency resolution

0.01Hz

Overload capacity

120% 1 min, 150% immediately

Analogue input

0~10V/4~20mA

Analogue output

0~10V/4~20mA

Acceleration/deceleration time

0.1~3000s

Digital output/input

expanded according to requirement

Ambience temperature

0~40°C

Storage/transport temperature

-40~70°C

Cooling

air cooling

Ambience humidity

<90% without condensation

Altitude

<1000 m

IP class

IP20

Size(mm)(W×H×D)

3300×2480×1200
3900×2480×1200

4900×2480×1200
6000×2580×1200

6000×2580×1300

Weight (kg)

3000 ~5000

5000 ~7300

7300~9200

 

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Q:Laptop power adapter is used to do what
Power and charge the notebook. Equivalent to power, mobile phone charger.
Q:HP laptop power adapter how to open
HP notebook power adapter for the full size of the design, you can follow the following steps to dismantle: 1, notebook computer power adapter for the injection molding package or with a strong adhesive glue, without any screws, so generally only with violence to crack. However, as long as the method properly, after the dismantling of the power adapter can be restored to the original, do not carefully observe almost no traces of open. 2, the power adapter on the side of the side of the white paper, with an electric knife edge along the power adapter between the gap between the cover, and then hit the electric knife with a hammer, so that the electric knife from the adapter between the upper and lower cover go with. In the different positions of the gap between the upper and lower covers of the adapter, use the tip of the electric knife to be scratched along the gap. When the upper and lower covers are first split, the depth of the tool is deep and then the upper and lower covers of the adapter are separated. 3, then open the shell of the power adapter, you can see the adapter circuit outside the package with a copper shield, with a knife to cut the shielding tape on the tape, and then use the soldering iron shield and the internal circuit board connected to the two Solder joints, you can remove the shield. 4, between the shield and the circuit board is also separated by a layer of thick plastic film, and then cut off the knife after the United States, you can see the circuit board "Lushan true"
Q:How does the spindle drive system of the inverter realize the positive and negative control of the main pole?
Communication can reach a longer and more stable, generally better of the city 485
Q:On the notebook power adapter output current and voltage issues
On the real virtual cable that adapter is rectifier filter output, no regulator, the notebook internal regulator, the adapter does not need to regulator. 3.25A is smaller than 4.5A, because the adapter has a power margin that can be used. Summer attention to touch the adapter surface is overheating. Conditional or buy a large number of good current.
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:How many types of CVT are classified?
classification: To achieve stepless speed change, according to the transmission can be used liquid drive, power transmission and mechanical transmission in three ways. Liquid drive Liquid drive is divided into two categories: one is hydraulic, mainly by the pump and the motor or composed of valves and pumps composed of variable speed transmission, suitable for small and medium power transmission. The other for the hydraulic, the use of hydraulic coupler or hydraulic torque transmission, suitable for high power (hundreds to thousands of kilowatts). The main features of the liquid drive are: speed range, can absorb the impact and prevent overload, transmission efficiency is high, long life, easy to automate: manufacturing precision requirements, the price is more expensive, the output characteristics of constant torque, Large, easy to run when the oil spill.
Q:400w 6-pole motor should be equipped with much of the inverter?
Under normal circumstances, the market are sold on the inverter are based on the common 4-pole motor matching, when to match the 6-pole motor, the inverter to a large power level, which is 400W of the first-class power 0.75KW, and so on
Q:Three-phase two-pole motor can be used to reduce the frequency of the inverter
With the electromagnetic governor can be, cheap only 50 yuan or so
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:How to disassemble the notebook power adapter
3, then open the shell of the power adapter, you can see the adapter circuit outside the package with a copper shield, with a knife to cut the shielding tape on the tape, and then use the soldering iron shield and the internal circuit board connected to the two Solder joints, you can remove the shield.

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