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SUZHOU VEICHI Electric Co., Ltd.
AC300 Series Frequency Inverter

AC300 Series Frequency Inverter

Product catalog summary

Introduction
Veichi Electric Co., Ltd. is a high-tech enterprise focused on industrial automatic control products, with operations in Shenzhen and Suzhou, China. The company is known for its innovative R&D team and numerous patents, aiming to lead globally in electric drives, industrial control, and green energy products.

AC300 Series Overview
The AC300 Series Frequency Inverter utilizes high-performance vector technology and features a compact design that reduces installation space by up to 60%. It is compatible with both asynchronous motors (AM) and permanent magnet synchronous motors (PMSM), supporting open-loop and closed-loop control modes.

Product Features

High-performance vector control platform with advanced motor control algorithms.
Accurate torque excitation decoupling and dynamic response.
Comprehensive thermal simulation for optimal hardware layout.
Modular design with extensive extension interfaces.
Optimized keyboard design supporting external keyboards.
Tri-proof design for enhanced stability and reliability.

Control Modes and Performance

Supports AM, PMSM, and high-speed motors.
Includes speed, torque, and position control modes.
High start-up torque and stable high-speed weak-magnetic control.
Self-tuning motor parameters for improved control accuracy.

Software and Energy Efficiency

Overcurrent and overvoltage protection through software suppression functions.
Energy-saving control technology to boost motor efficiency.
Advanced software for parameter setting and monitoring.

Structural and Hardware Features

Random carrier frequency to reduce motor noise.
Improved heat dissipation and environmental resistance.
Support for online software upgrades via RS485 serial port.

Expansion and Connectivity

Various extension interfaces for conventional applications.
Communication extension cards for PROFIBUS-DP, PROFINET, Ethernet, and CANopen.

Conclusion
The AC300 Series Frequency Inverter offers high performance, reliability, and flexibility for industrial automation applications, with advanced features and a compact design to meet diverse industry needs.

Overview
The document describes a dual-mode communication system with stable performance, online monitoring, and fault diagnosis capabilities through a remote detection module, providing value-added services to customers.

Hardware Protection
The system includes comprehensive hardware protection such as output to ground protection, internal buffer relay protection, fan drive circuit protection, external 24V DC short circuit protection, and motor overload protection, ensuring full protection for the inverter's internal and peripheral devices.

Short Circuit Detection
The inverter features new electric motor to ground short circuit detection, immediately stopping output to protect the motor.

Logic Control
The inverter can replace a PLC for simple logic control, using a development environment compatible with MELSEC programmable controllers, integrating universal and comprehensive functional blocks.

Fault Types
Various fault types are listed, including system abnormality, input side loss phase, stall protection, ACC over current, output side loss phase, load protection, overheat, PID feedback fault, under voltage when running, current detection fault, speed deviation too large, motor overload, and motor detection fault.

Keyboard Operation
A newly designed keyboard offers operational superiority with built-in and external keyboard support for double display, including features like a monitored item indicator, menu navigation, LED monitor, and various control keys.

Fan Design
The fan features a fast disassembly design for quick replacement and cleaning without external tools, maintaining stability and efficiency.

Terminal Selection
The system uses European terminals conforming to IEC60988-2-1:UL1059: UL 486E specifications, improving connection efficiency and safety.

Voltage Design
The system supports a wide voltage design with an input voltage range of 320V-460V, accommodating voltage fluctuations and harsh grid environments.

Quality Assurance
The document emphasizes quality assurance with a high-quality R&D team, strict quality control processes, and adherence to ISO9001 QMS, including a product tracing system for complete traceability from materials to finished products.

Applications
The system is applicable in various industries such as chemical engineering, ceramics, oil fields, injection molding, wooden machines, wire and cable, hoisting, mining, CNC, municipal engineering, printing and packaging, textile, and lifts.

Catalog excerpts

AC300 Series Frequency Inverter Shenzhen Veichi Electric Co., Ltd Suzhou Veichi Electric Co., Ltd Block C, Wentao Science and Technology Park, Shiyan Yingrenshi Community, Baoan District, Shenzhen City, China Tel: +86-0755-3686 1688 Fax:+86-755-2968 5680 E-mail:[email protected] No.1000 Songjia road, Wuzhong Economic and Technological Development Zone, Suzhou Tel:+86-512-6617 1988 Fax:+86-512-6617 3610 Facebook: https://www.facebook.com/veichiglobal/ Wechat Official Account *Version:2018 V1.0 Veichi Electric Co., Ltd all rights reserved, subject to change without notice.

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High Performance Inverter Sense & Simplicity Inherit the superior platform technology Industrial leading vector control technology Compatible with AM/PMSM Simplify Simple wiring, euro terminal, can save the wiring time and cost Adopt the domestic general parameters group, optimize the keyboard buttons, easy to use Simple debugging, specialized host software VCACSoft Ver1.3, can reduce the debugging time and difficulty to the maximum Thinner, integration of design and aesthetics The “book-body machine” of inverter VEICHI Electric Co., Ltd. is a high-tech enterprise that is professionally engaged...

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High start-up torque characteristic High torque at lower frequency. It can output 200% rated torque at 0.0Hz under closed-loop VC mode, and can run smoothly with load at ultra-low AC300 Series High Performance Inverter speed 0.01Hz. Powerful lower torque output, can effectively ensure a stable and smooth start. Self-tuning of motor parameters It could accurately acquire the motor parameters both in rotary and static self-tuning, so as to provide higher control accuracy and response speed, which is convenient and simple. Rotary self-tuning : Must unload the motor. Suit for applications with higher...

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Random carrier frequency Powerful upper machine software Compared with the sharp motor noise of fixed carrier frequency, the output There is user-friendly upper machine software for AC300, which is Optimized structure design Standard configuration of terminals Book narrow-body design, rationally utilization of space, can greatly save Unit Circuit also use VCACSoft Ver1.3 to set, copy and monitor parameters. It could Dual-direction input timely and conveniently provide the VFD state information for users, so Relay output Normal on/off voltage harmonic spectrum of random carrier frequency is uniform...

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Keyboard operation Comprehensive hardware protection A new designed keyboard with operational superiority.Built-in keyboard It has such functions as output to ground protection, internal buffer relay Selection of European terminal conforming to IEC60988-2-1:UL1059: protection, fan drive circuit protection, external 24V DC short circuit UL 486E specification. Save the connection time while ensuring the safety protection, motor overload protection and other hardware protection and reliability:wire stripping---Line number---fasten. AC300 inverter adopt and external keyboard support double display(...

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Model specification Installation dimension Plastic model Installation Diameter AC300-T3-037 G/45 P-B（L） Accessories type B：Built-in brake unit L：Built-in DC reactor BL：Built-in brake unit and dc reactor Overall dimension（mm） Installation dimension（mm） Installation aperture GD：Cabinet with base Voltage class T: Three phase S: Single phase D: DC input 2: 220V，3: 380V ，4: 440V， 6: 660V，11:1140V VFD rated output current Steel model（Other power later replenish） Voltage Rated output current (A) Rated output current (A) Installation Diameter Overall dimension（mm） Model Installation aperture

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Wiring Diagram VC- ACL - C - 03P7A - T3 - 2M24 Inductance Code 2M24：2.24mH External Brake Unit Input Rector 1M85：1.85mH External External DC Rector Brake Resistor Note1 Short Piece 36U8：36.8mH Model VC-ACL：VEICHI AC Input Reactor VC-OCL：VEICHI AC Output Reactor VC-DCL：VEICHI DC Reactor (Free STOP) COM Note: 1.MAX Output of +24V Port:DC24V/100mA 2.Max Output of Y Port :DC24V/50mA Note: 1.MAX Output of +10V port : 50mA 2.Inner resistance of AI1/AI2 Port Reactor Model Series Number Model Shielded cable (the end close to VFD grounding) Analog monitoring signal output Analog Voltage/Current quantity...

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Application case Quality Assurance Wholeheartedly to ensure that every segment of the strict implementation, to ensure that every product has a unique quality. High-quality R & D team with 20 years industrial experience More than 180 people in R&D team More than 110 patents technologies R&D investment more than 10% of sales University-enterprise cooperation. established lab together to reserve talents for R&D. Chemical engineering Government-enterprise cooperation, as a member of SHENZHEN High-tech Industry Association, A number of scientific researches get support from the government special...

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