2.4.2 External Wiring

Power Supply

 

 

 

 

 

 

 

 

 

 

FUSE/NFB

 

 

 

 

 

 

 

 

 

 

 

 

Magnetic

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

contactor

 

 

 

 

 

 

 

 

 

 

 

 

Input AC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Line Reactor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Zero-phase

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Reactor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EMI Filter

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R/L1

 

S/L2

T/L3

 

 

 

 

 

DC

 

 

 

 

 

 

 

 

+1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Choke

 

 

 

 

 

 

 

 

 

 

+2/B1

Braking

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B2

Resistor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

U/T1

 

V/T2

W/T3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Zero-phase

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Reactor

 

 

 

 

 

 

 

 

 

 

Output AC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Line Reactor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Motor

 

 

 

 

 

 

 

 

 

 

 

 

Chapter 2 Installation and WiringVFD-S 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 and exceeds 6 times the

 

inverter capacity, or the mains wiring

 

distance 10m.

 

 

 

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

Common

on both the input and output sides.

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.

Revision August 2006, SE08, SW V2.61

2-21

Page 34
Image 34
Delta Electronics VFD007S23A manual External Wiring, Fuse/Nfb

VFD007S23A specifications

Delta Electronics VFD007S23A is a highly versatile and efficient variable frequency drive (VFD) designed to control AC motors and enhance energy savings in various industrial applications. Known for its robust performance, this drive provides precise motor control and has become a preferred choice in industries requiring reliable and efficient motor management.

One of the main features of the VFD007S23A is its compact design, which makes it suitable for installations with limited space. With a compact size of only 200mm in height, 150mm in width, and 110mm in depth, it can be easily integrated into existing systems without needing extensive modifications.

The VFD supports a wide range of input voltages, accommodating 200V to 240V three-phase power supply. It is capable of delivering up to 0.75 kW of power, making it suitable for various applications including fans, pumps, and conveyors. Its adjustable frequency output allows for speed control, enhancing process efficiency and reducing energy consumption.

Equipped with advanced control technologies, the VFD007S23A offers both scalar and vector control modes. Scalar control is ideal for applications where precise speed control is not critical, while vector control provides superior torque performance, making it ideal for applications requiring high acceleration and deceleration. This feature allows users to achieve optimal performance regardless of the application requirements.

Incorporating features such as keypad programming, the VFD includes user-friendly interface allowing for easy setup and adjustments. The drive also supports various communication protocols, including Modbus RTU, enabling seamless integration into existing automation systems.

Another significant characteristic is its built-in protection features, including over-voltage, under-voltage, phase loss, and overload protection. These safety features ensure the durability and reliability of the device, extending its lifespan and minimizing downtime.

Additionally, the VFD007S23A is designed with energy efficiency in mind. It features an energy-saving mode that can reduce energy consumption significantly in variable load applications. By adjusting the motor speed according to the actual load demand, users can achieve lower operational costs while contributing to environmental sustainability.

In conclusion, Delta Electronics VFD007S23A stands out as an efficient and reliable choice for variable frequency drive applications. Its robust design, advanced control technologies, and energy-saving features make it ideal for a wide range of industrial applications, ensuring optimal performance and operational efficiency.