Frequency inverter

  • VFD Accessories
  • VFD Accessories
  • VFD Accessories
  • VFD Accessories
VFD Accessories VFD Accessories VFD Accessories VFD Accessories

VFD Accessories

Input & output reactor (choke)

VFD Accessories(图1)

Technical Specifications

1. Rated Voltage: φ3/440VAC

2. High Voltage testing:3.5 KV 60s

3. Operating Frequency: 50/60 Hz

4. Insulation class: H

5. Rated Current: 3A ~ 800 A

6. Altitude: <100 0 meters

7. Ambient temperature: -25℃~ 40℃

8. Reactor impedance: 2%

9. Protection category: IP00

DC reactor (choke)

VFD Accessories(图2)

Features

1. Reducing of harmonics , Improvement of the power factor

2. Reducing over-voltage extent, avoid breakdown

3. Reducing the stress caused by noise to motor, extended the life span of motor

4. Improvement of low-frequency conduction emission/sensitivity


Specifications

1. Rated Voltage: DC 500V~700V

2. High Voltage testing: 3000VAC/50HZ/5MA/60s cored winding without arcing discharge

breakdown

3. Switching Frequency: 0~16KHZ

4. Motor Frequency: 0~200HZ

5. Insulation Resistance: >100M, 1000VDC, cored winding

6. Altitude: <1000 meters

7. Ambient temperature: -25℃~ 40℃

8. Relative Humidity: <85%

9. Protection Class: IP00

10. Working Noise: <50dB(1 meter horizontal distance far away from choke)

Braking Unit & Braking Resisitor

VFD Accessories(图3)


Technical Specifications

Items

Specifications

Power

            Input voltage

Three 220V/380V/460±15%

         Input frequency

50/60Hz±15%

 Control

            Braking type

Automatic voltage tracking brake

          Response time

<1ms

           Active voltage

220V level: 340~400V

380V level: 620~720V

The maximum bias voltage is ±10V.

Hysteresis voltage

<10V

Protection function

Over heat (75)

Display and setting

Status indication

All of the models have the power indicator and working indicator.

Some of models which with the operation keypad have the indicators of power, fault, fuses blown and braking status etc.

Operation monitoring

Some of models which with the operation keypad can monitor the DC bus voltage, internal temperature etc.

Activate voltage setting

The ones without keypad can be set by the jumper on the control card.

The ones with keypad can be set by keypad directly.

Environment

Installation place

Indoor, altitude less than 1000m (every 1000m higher, the output derate 10%), without direct sunshine, without    conductive dust and corrosive gases.

Ambient temperature

-10~40, with good ventilation

Humidity

≤90%RH (no condensation)

Vibration level

≤0.5g


EMI Filter

VFD Accessories(图4)

Features

1. Rated currents up to 1600A

2. Design for Inverter and high noisy environment

3. Excellent Filter performance

4. Compact design with touch-safe Terminal Block

5. Application for any brands of Frequency Inverters

6. Approval for CE Certificate

 

Applications

1. To reduce the harmonic of Variable Frequency Drive.

2. Applications: elevators, cranes, traction system, HVAC systems (heating, ventilation and air conditioning)

3. General three phase motor drive systems

4. Machine tools: printing machines, packaging machines, milling and drilling machines, textile machines.

5. Three-phase power supplies and UPS

Notea: For more technical details and selection guides, please contact us.