3.2 External Wiring

Power Supply

 

FUSE/NFB

 

 

Magnetic

 

 

 

Contactor

 

 

Input AC

 

 

Line Reactor

 

 

Zero-phase

 

 

Reactor

 

 

EMI Filter

 

BrakeUnit (Optional)

R/L1 S/L2 T/L3

E

 

+/B1

 

 

 

B2 BR

VFDB

orBR

 

-

 

sti

U/T1 V/T2 W/T3

E

 

esR )al n

 

Zero-phase

eakrB oitOp(

 

 

Reactor

Output AC

Line Reactor

Motor

VFD-F Series

Items

Explanations

Power

Please follow the specific power

supply requirements shown in

supply

Appendix A.

 

 

There may be an inrush current

Fuse/NFB

during power up. Please check the

chart of Appendix B and select the

(Optional)

correct fuse with rated current. Use

 

of an NFB is optional.

Magnetic

Please do not use a Magnetic

contactor as the I/O switch of the AC

contactor

motor drive, as it will reduce the

(Optional)

operating life cycle of the AC drive.

 

 

Used to improve the input power

 

factor, to reduce harmonics and

 

provide protection from AC line

Input AC

disturbances (surges, switching

spikes, short interruptions, etc.). AC

Line Reactor

line reactor should be installed when

(Optional)

the power supply capacity is 500kVA

 

or more or advanced capacity is

 

activated. The wiring distance should

 

be 10m. Refer to appendix B for

 

details.

 

Zero-phase reactors are used to

Zero-phase

reduce radio noise especially when

Reactor

audio equipment is installed near the

(Ferrite Core

inverter. Effective for noise reduction

on both the input and output sides.

Common

Attenuation quality is good for a wide

Choke)

range from AM band to 10MHz.

(Optional)

Appendix B specifies the zero-phase

 

reactor. (RF220X00A)

EMI filter

To reduce electromagnetic

interference, please refer to

(Optional)

Appendix B for more details.

 

Brake

Used to reduce the deceleration time

of the motor. Please refer to the chart

Resistor

in Appendix B for specific Brake

(Optional)

Resistors.

 

Output AC

Motor surge voltage amplitude

depends on motor cable length. For

Line Reactor

applications with long motor cable

(Optional)

(>20m), it is necessary to install a

 

reactor at the inverter output side.

3

DELTA ELECTRONICS, INC. ALL RIGHTS RESERVED

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Delta Electronics VFD-F Series manual External Wiring, Fuse/Nfb

VFD-F Series specifications

Delta Electronics has established itself as a leader in the production of Variable Frequency Drives (VFDs), and the VFD-F Series exemplifies their commitment to innovation and efficiency in motor control solutions. Designed for a wide range of applications, the VFD-F Series ensures seamless operation in various industrial settings, from pumps and fans to conveyor systems and HVAC equipment.

One of the primary features of the VFD-F Series is its compact design, which allows for easy integration into existing systems without consuming excessive space. This makes it an ideal choice for projects where space is limited. The series also boasts a high IP20 protection rating, ensuring that the drives are safeguarded against dust and accidental contact, contributing to their reliability and longevity.

The VFD-F Series utilizes advanced control technologies, including vector control and scalar control. Vector control provides precise torque and speed control, allowing for optimal performance under varying load conditions. This is particularly advantageous in applications requiring high accuracy, such as robotics and machine tools. The scalar control mode, on the other hand, is simpler and suitable for applications where precise control is not as critical.

Energy efficiency is a hallmark of the VFD-F Series. By allowing users to control motor speed and torque based on the actual demand, these drives can significantly reduce energy consumption compared to traditional fixed-speed motors. Coupled with Delta's energy-saving algorithms, the VFD-F Series not only promotes sustainable operation but also helps lower operational costs.

Another key characteristic of the VFD-F Series is its user-friendly interface. The intuitive control panel and programmable features enable quick setup and adjustments. Furthermore, the series supports multiple communication protocols, including Modbus, CANopen, and EtherCAT, which facilitate integration into various automation systems.

Safety features are paramount in the design of the VFD-F Series. It includes built-in protections against over-voltage, over-current, and overheating, ensuring safe operation in demanding environments. Additionally, its compliance with international safety standards underlines its reliability and robustness.

In summary, Delta Electronics' VFD-F Series stands out with its compact design, advanced control technologies, energy efficiency, user-friendly interface, and integral safety features. These characteristics make it a formidable solution for industries seeking high-performance motor control while maximizing efficiency and safety. As the demand for integrated and intelligent automation solutions grows, the VFD-F Series is well-positioned to meet these challenges head-on, reinforcing Delta Electronics’ reputation as a pioneer in the field.