Power Supply

FUSE/NFB

Magnetic contactor

Input AC

Line Reactor

Zero-phase

Reactor

EMI Filter

Chapter 2 Installation and Wiring

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

 

disturbances (surges, switching

Input AC

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

R/L1 S/L2

U/T1 V/T2

Motor

T/L3

W/T3

 

 

 

 

Break res istor

(optional)

Breakunit (optional) Breakres istor (optional)

 

 

 

 

 

 

 

 

 

 

+/B1

 

 

 

 

B2

 

BR

 

 

 

 

-

E

Zero-phase

Reactor

Output AC

Line Reactor

 

details.

 

Zero phase reactors are used to

Zero-phase

reduce radio noise especially when

audio equipment is installed near the

Reactor

inverter. Effective for noise reduction

(Ferrite Core

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 Appendix

(Optional)

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

2.3Main Circuit

2.3.1 Main Circuit Connection

Revision August 2008, 03VE, SW V2.04

2-5

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Delta Electronics VFD-VE Series manual Main Circuit Main Circuit Connection
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VFD-VE Series specifications

Delta Electronics VFD-VE Series is a state-of-the-art variable frequency drive (VFD) designed to enhance energy efficiency and improve the operational capabilities of various industrial applications. Renowned for its reliability and performance, the VFD-VE Series serves a diverse range of sectors including manufacturing, HVAC, and water treatment.

One of the primary features of the VFD-VE Series is its advanced control algorithms, which provide precise speed and torque control for AC motors. The series utilizes a vector control method that enables excellent dynamic response and a wide speed range. This is particularly beneficial for applications requiring variable speeds or precise positioning, as it ensures smooth acceleration and deceleration while maintaining optimal performance.

The VFD-VE Series stands out with its Energy Saving Technology. By intelligently optimizing motor control parameters based on the load, the VFD can significantly reduce energy consumption. This built-in functionality not only helps companies save on electricity costs but also contributes to a lower carbon footprint, aligning with global sustainability efforts.

Another key characteristic of the VFD-VE Series is its user-friendly interface. Equipped with a clear and intuitive LCD display, it simplifies monitoring and adjustments, allowing operators to configure settings easily. Additionally, the series supports various communication protocols such as Modbus, EtherCAT, and CANopen, enabling seamless integration with existing control systems for enhanced automation.

The VFD-VE Series is built to withstand harsh industrial environments. Its robust design includes features such as IP20 or IP55 ingress protection ratings, ensuring reliable operation even in dusty or humid conditions. Furthermore, the drives are equipped with advanced thermal management systems that prevent overheating, thereby prolonging the lifespan of the equipment.

Safety is also a priority in the VFD-VE Series, which incorporates multiple safety features such as overvoltage, undervoltage, and overcurrent protection. These safeguards help protect both the drive itself and the connected machinery, minimizing downtime and reducing maintenance costs.

Overall, Delta Electronics VFD-VE Series combines cutting-edge technology, energy efficiency, and robust design to meet the dynamic needs of modern industrial automation. With its advanced features and reliable performance, it is an ideal choice for businesses aiming to optimize their processes and achieve greater energy savings.
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