Veichi AC800 Engineering Multi-Drive Inverter

• Application: High-performance Transducer, Three Phase Transducer, General Transducer, Single-phase Transducer, High Frequency Converter Transducer
• Output Type: Single
• Principle of Work: Slip Frequency Control Transducer
• Switch Mode: High Carrier Frequency PWM Control
• Main Circuit Type: Voltage
• Voltage of Power Supply: High Voltage Variable-Frequency Drive
• Model NO.: VEICHI AC800
• Link of Transformation: AC-DC-AC Variable-Frequency Drive
• Nature of DC Power: Voltage Variable-Frequency Drive
• Function: Steel, Non-Ferrous Smelting, Petroleum, Port Lifti
• Brand: Veichi
• Transport Package: Wood
• Trademark: VEICHI
• Origin: Suzhou, China
• Production Capacity: 600, 000 PCS/Year

Product Description

>>> AC800 Series Engineering Multi-drive Inverter Overview

AC800 series engineering multi-motor drive inverter is a high-performance, high-end inverter created by VEICHI after years of technical accumulation, in-depth market research, and demand analysis. It has excellent control performance, modular design, a common DC bus scheme, convenient and quick debugging tools, and abundant expansion interfaces. Satisfy all customer needs, multiple fault handling and protection methods, safety, and stability. Provide the driving core for energy saving and emission reduction of enterprises, and meet the diversified inverter function requirements of industrial enterprises.

>>> AC800 series engineering multi-drive inverter features

1. Excellent control performance;
2. Convenient and fast debugging tools;
3. Modular design, common DC bus scheme;
4. Rich extension interfaces to meet all customer needs;
5. Multiple fault handling and protection methods, safe and stable;

>>> Built-in multiple function modules

>>> Debugging host computer adapted to working conditions

1. VCSoft debugging software.
2. The graphical interface menu-style operation can complete the simple configuration, parameter setting, fault detection, system maintenance, and service of the complex system in a short time.

>>> Multi-function keyboard

1. LCD display screen.
2. Support Chinese and English languages.
3. Through the built-in Bluetooth of the keyboard, simple and convenient debugging of handheld devices can be realized.
4. Parameter copy and restore.

>>>Modular design

1. Filtering, rectification, inverter and braking are all independent and standard modules.
2. The book-type design is convenient to form a cabinet and reduce the size of the cabinet.
3.  The module can be flexibly configured according to the power of the load motor.

>>> Common DC bus

1. In applications such as regenerative load lowering or winding and unwinding, the generated energy and electric energy between the inverter modules are exchanged through the DC bus to save energy requirements (5%-30%).
2. Effectively reduce the current of the rectifier module and brake module, simplifying the system capacity.
3. Unified power supply by the rectifier unit, reducing the amount of the main circuit switching devices and braking units.
4. Reduce the difficulty and amount of wiring of the electronic control system, and save user costs.

>>> Supports multi-module parallel, the maximum extended power is 5600kW

The busbars share direct current and use V8 units for parallel operation. The 400V system supports a maximum of 2800kW, and the 690V system supports a maximum of 5600kW.

>>> Full coverage of the main controller VCU

1. Data interconnection between the VCU control unit and each module.
2. Optical fiber communication, strong anti-interference ability.

>>> Support a variety of expansion modules

Bus adaptation according to usage requirements

>>> Multiple fault handling and protection methods, safe and stable

1. Inverter protection: Short circuit, overcurrent, overvoltage, 
2. undervoltage, phase loss, overheating, overload, encoder disconnection, etc.30 kinds of settings protection and multi-level classification
3. Functional safety protection: Standard STO-Safe Torque Off function. 
4. Hardware detection, disconnect the motor power by blocking the drive pulse, prevent the motor from starting accidentally, and ensure the safety of personnel and equipment.
5. Motor protection: Support PT100 temperature detection protection
6. Black box: Standard SD card, can store multiple waveform data before and after the fault within a specified time
7. Fuse protection: When a unit fails, it is quickly protected by the fast-acting on the bus side
8. Module exit mechanism: When a certain unit fails, it can be withdrawn online, and the system will run with derating
9. Quick change: There is no need to replace the VCU control unit, no need to set parameters, quickly restore the system operation, and the faulty unit can be repaired within 30 minutes.

>>> Multi-machine transmission + parallel high-power, to meet a variety of engineering transmission applications

>>> Industrial Applications for AC800 Series Engineering Multi-drive Inverter 

It is widely used in steel, non-ferrous smelting, petroleum, port crane, papermaking, shipbuilding, offshore engineering, test platform, feedback power supply, and other occasions.

>>> Specifications

Project		Specification
Basic rectification control characteristics	Input voltage	400V system: 380~415Vac ±10% 47~63Hz
	Input frequency range	47~63Hz
	The output voltage	400V system: 510~720Vdc
	Overload capacity	Light overload: 110% is allowed to last for 1 minute every 5 minutes
		Heavy overload: 150% allows for 1 minute every 5 minutes
	Work efficiency	≥99%
	Power Factor	≥0.95(Rated current)
Feedback rectifier control characteristics	Input voltage	400V system:380~415Vac  ±10%  47~63Hz
	Input frequency range	47~63Hz
	The output voltage	400V system: 510~720Vdc
	Overload capacity	Light overload: 110% is allowed to last for 1 minute every 5 minutes
		Heavy overload: 150% allows for 1 minute every 5 minutes
	Overload capacity	≥98%
	Power Factor	≥0.95(Rated current)
Active rectifier control characteristics	Input voltage	400V system: 380~415Vac ±10% 47~63Hz
	Input frequency range	47~63Hz
	The output voltage	400V system: 510~720Vdc
	Overload capacity	Light overload: 110% is allowed to last for 1 minute every 5 minutes
		Heavy overload: 150% allows for 1 minute every 5 minutes
	Work efficiency	≥97%
	Power Factor	≥0.99
	Unbalance	≤±3% rated line voltage
	Total harmonic content THD	THDI<5% (rated power); THDU<5%, (Rsc>20)
	Carrier frequency	400V system: default 3kHz
Inverter module control characteristics	Output frequency	0~300Hz (When the output frequency is higher than 150Hz, the output current of some models will be derated, and the higher output frequency can be customized)
	Carrier frequency	400V system: default 2kHz
	Control method	Frequency control (V/F), vector control with encoder (FVC), vector control without encoder (SVC)
	Speed ratio	V/F control: 1:50
		SVC control: 1:200
		FVC control: 1:1000
	Speed accuracy	SVC control: ±2% rated synchronous speed
		FVC control: ±0.05% of rated synchronous speed
	Rotational fluctuation	SVC control: ±0.2%
		FVC control: ±0.1%
	Torque response	SVC control: 3ms
		FVC control: 3ms
	Starting torque	SVC control: 0.5Hz/150% TN
		FVC control: 0Hz/200% TN
Features	Protective function	Short circuit, overcurrent, overvoltage, undervoltage, phase loss, overheating, overload, encoder disconnection, etc.
	Standard function	V/F control, vector control function, automatic voltage adjustment function, speed frequency setting, forward and reverse control, slip compensation, torque compensation, PID control
Environmental requirements	Operating temperature	Minus 10ºC to +40ºC, derating should be used when it exceeds 40ºC;
		Derating by 1% for every 1ºC increase in temperature, the highest ambient temperature for use is 50ºC
	Working humidity	5%~95%RH,no condensation
	Protection level	IP00
	Noise	≤85dB(A)
	Installation height	Below 1000m altitude: 100% full load (no derating)
		Altitude above 1000m: derate 1% for every 100m increase, the highest altitude is 4000m
Mechanical data	Vibration performance	Conforms to IEC 60068-2-6 Environmental testing Part 2: Tests-Tests Fc: Vibration(sinusoidal)
		2(+3/0)~13.2Hz, amplitude ±1mm
		13.2~100Hz, vibration acceleration ±6.9 m/s2 or (0.7g)
	Cooling method	Forced air cooling AF

>>>  About VEICHI