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VFD Vector Frequency Inverter Variable Frequency Converter For Asynchronous Motor Drive Control

HV350 General Purpose VFD Vector Frequency Inverter Variable Frequency Converter For Asynchronous Motor Drive Control

General Purpose VFD Vector Frequency Inverter Product Description

The HV350 Series inverter is a newly developed general-purpose vector inverter. It adopts advanced open-loop and closed-loop vector control technology, supporting asynchronous motor drive control. On the design principles of abundant software functions, better performance and higher reliability, this inverter features smaller volume with improved expandability, more communication functions and easier operation.

General Purpose VFD Vector Frequency Inverter Product Features

High Reliability

Innovative Independent Air Duct

The innovative design separates the sensitive devices from the air duct, greatly improving the inverter's adaptability to different environments
The air duct can protect the inverter from dusts and sundries to avoid electrical short circuit, component damage, etc

Advanced Thermal Design Concept and Professional Thermal Simulation Analysis

Applying efficient and precise thermal simulation software to ensure the thermal reliability of the inverter
Adopting advanced thermal testing, validation technology and equipment to verify the theoretical results of the thermal design

Rigorous Temperature Rise Testing

Rigorous full-load and overload testing procedure and strict acceptance criteria for temperature rise of key components supporting long-time reliable operation of the inverter under extreme load condition
All products passing high-temperature load aging test before ex-work to ensure that all components of the product can work normally

Three-proof Paint Automatic Spraying Process

Different spraying strategies can be adopted according to the circuit boards, effectively ensuring the uniformity of the circuit board spraying and the consistency of the same batch of the product

High Adaptability

Wide Voltage Range

Rated voltage: Three-phase 380V ~ 480V
Input power frequency: (50Hz/60Hz) ±5%
Allowable voltage fluctuation range: -15%Vac ~ +10%Vac

Low External Interference

Built-in C3 filter can effectively suppress the high-frequency harmonics generated during the operation of the inverter, meeting the requirements of the EU EN61800-3 standard.
Simple and user-friendly EMC grounding design effectively reduces ground leakage current.

System Certification
European Union CE certification

Structural Design

Book-shaped design with the volume 40% less than traditional models
Supporting side-by-side installation of multiple inverters

Outstanding Performance

Comprehensive Motor Drive Technology

Supporting the drive control of three-phase asynchronous motors
Supporting V/F control, open-loop vector control, and closed-loop vector control
Supporting speed and torque control
Supporting speed tracking function, reducing impact current

Accurate Motor Auto-tuning Function

Supporting accurate auto tuning on motor parameters for convenient operation and debugging, higher control precision and faster response speed
Comprehensive motor auto-tuning functions, including dynamic, static and static+dynamic auto-tuning

Comprehensive Motor Control Modes

V/F Control Mode
Open-loop Vector Control Mode(OLVC)
Closed-loop Vector Control Mode(CLVC)

Large Starting Torque

Open-loop vector control (OLVC): 150% at 0.5Hz
Closed-loop vector control (CLVC): 200% at 0Hz

High Overload Capacity

Light overload capacity: 110% of rated light load current for 60 seconds, 150% of rated light load current for 10 seconds
Heavy overload capacity: 150% of rated heavy load current for 60 seconds, 180% of rated heavy load current for 10 seconds

Diversified Functions

Keypad

For standard inverters, internal LED keypads are available and external keypads are not supported.
External LED keyboard can be optionally added.
Both standard and optional keypads support parameter debugging, operation state monitoring, start/stop control. parameter copying, etc.

Various Expansion Functions

Optional expansion communication cards support Profibus-DP, Profinet IO, CANopen, Modbus TCP/IP, Ethercat, EtherNet/IP, and other bus
communications (SLOT1 expansion card slot).
Optional encoder expansion cards (SLOT2 expansion card slot)
Optional IO terminal expansion cards (SLOT1 expansion card slot, please refer to "Optional Accessories" for details)

Reliable Braking Function

The inverter supports DC braking.
Models of 22kw and below are equipped with a standard built-in braking unit while models of 30kw to 132kw with an optional one.
Adding a braking resistor enhances braking performance while saving electrical installation space and reducing user electrical costs.

Supporting Various Functions

Supporting V/F Supporting V/F half separation and complete separation modes
Supporting process PID control which can be applied in constant temperature control, constant pressure control and tension control
Supporting position lock to achieve motor zero-speed position locking in CLVC mode
Supporting wobble function which can be applied in fiber and textile industries
Supporting random PWM depth to reduce motor noise
Supporting encoder redundancy operation mode to drive the system to automatically switch to OLVC
Operation when the encoder is faulty

Supporting Background Software for Quick Debugging

Supporting such functions as monitoring and parameter editing
Supporting event logs and fault record

General Purpose VFD Vector Frequency Inverter Product Technical Specification

Technical Data
Projects		Speciﬁcation Description and Technical Data
Power input/ output	Input voltage	Input voltage: 380V (-15%) to 480V (+10%) Phase: Three-phase
	Input power frequency	50Hz/60Hz ±5%
	Input voltage imbalance	≤3%
	Output voltage	OV-Input voltage
	Output frequency	0~600Hz
	Motor type	Asynchronous motor
Master control performance	Control mode	V/F, OLVC(Open-loop Vector Control), CLVC(Closed-loop Vector Control)
	Speed range	1:10 V/F; 1:100 OLVC; 1:1000 CLVC
	Starting torque	OLVC: 150%(0.5Hz), CLVC: 200%(OHz)
	Torque precision	≤±5%, in Vector control mode
	Torque ripple	≤±5%, in Vector control mode
	Speed stability	OLVC, 0.2%; CLVC: 0.1%
	Torque response	≤5ms, in Vector control mode
	Acceleration/deceleration time	0.0s~3200.0s; 0.0min~3200.0min
	Torque boost	0.0%~30.0%
	Overload capacity	G model: 150% 1min/5min; 180%10s/5min; P model: 110% 1min/5min; 150% 10s/5min
	V/F curve	Straight-line type, multi-point type, V/F Half separation mode, V/F complete separation mode
	Input frequency resolution	Digital setting: 0.01Hz, Analog setting: 0.01Hz
	Acceleration/deceleration curve	Straight line and S-curve
Main functions	Simple PLC, Multi-speed control	16 speed segments supported through control terminals
	Automatic voltage regulation (AVR)	Automatically keeps the output voltage constant when grid voltage varies within a certain range
	Fixed length control	Fixed length control
	Built-in PID	Easily forms a closed-loop control system
	Multi-motor switching	Switchover between two groups of motor parameters to control the two motors
	Virtual I/O	Eight groups of virtual DI/DOenabling simple logic control
	Overvoltage/Overcurrent stall control	Automatic current and voltage limitation during operation preventing the inverter from tripping due to frequent overcurrent or overvoltage
	Restart after power failure	After power failure and restoration, the inverter waits for a set time before automatically running
	Quick current limiting	Avoids frequent overcurrent faults in the inverter
	Frequency setting method	keypad; terminal UP/DOWN; multi-reference; pulse reference; communication
Power input/ output	Analog input terminals	AI1; AI2: 0V~10V/ 0 (4)mA~20mA
	Digital input terminals	DI1-DI5, 5 programmable digital input terminals with opto-isolation, compatible with both sinking/sourcing inputs. DI5 supports high-speed pulse input with a maximum input frequency of 100kHz.
	Digital output terminals	Open-collector output; output voltage range: 0V~24V; current load capacity: 50mA. DO1 supports high-speed pulse output with a maximum output frequency of 100kHz.
	Analog output terminals	1-channel 0V ~ 10V/0(4)mA ~ 20mA
	Relay output	1-channel Form C contact, NO+NC
Communication	Communication protocols	Modbus RTU (standard configuration); Profibus-DP; Profinet IO; CANopen; Modbus TCP/IP; Ethercat; EtherNet/IP (optional configuration)
Ambient requirements	Altitude	≤1000m: no need for derating 1000~3000m: derating by 1% per 100m increased
	Ambient temperature	-25℃～+40℃ (Running with derating allowed between 40~55)
	Humidity	15% ~ 95%, No condensation
	Vibration	3M3, IEC60721-3-3
	Storage temperature	−40°C~+70°C
	Installation place	Indoor, without direct sunlight, free from flammable, corrosive gases, liquids, and conductive particles.
Optional accessories		Encoder card, communication expansion card, IO expansion card
Protections		Protection against short circuit , overcurrent, overload, overvoltage, undervoltage, phase loss, overtemperature, external faults, etc.
Installation method		Installed in a cabinet
Protection rating		IP20
Cooling method		Air cooling

General Purpose VFD Vector Frequency Inverter Product Product Applicantion

Textile, papermaking, object hoisting, plastics, metal products, printing and packaging, building materials, engineering machines and automatic production equipment.

HV350 Product Selection Rated voltage: three-phase 380Vac (suitable for operating voltage range of 323V~528V)
Model	Heavy Load		Light Load		Frame Type
Model	Rated Power (kW)	Rated Output Current	Rated Power (kW)	Rated Output Current (A)	Frame Type
HV350-4T0.75G/1.5PB	0.75	2.5	1.5	4.2	FA
HV350-4T1.5G/2.2PB	1.5	4.2	2.2	5.8
HV350-4T2.2GB	2.2	5.8	-	-
HV350-4T4G/5.5PB	4	9.5	5.5	13	FB
HV350-4T5.5GB	5.5	13	-	-	FB
HV350-4T7.5G/11PB	7.5	17	11	25	FC
HV350-4T11GB	11	25	-	-	FC
HV350-4T15G/18PB	15	32	18.5	38	FD
HV350-4T18G/22PB	18.5	38	22	46
HV350-4T22GB	22	46	-	-
HV350-4T30G/37P(B)	30	60	37	75	FE
HV350-4T37G/45P(B)	37	75	45	91
HV350-4T45G/55P(B)	45	91	55	125
HV350-4T55G/75P(B)	55	125	75	150	FF
HV350-4T75G/90P(B)	75	150	90	180	FF
HV350-4T90G/110P(B)	90	180	110	210	FG
HV350-4T110G/132P(B)	110	210	132	250	FG

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Categories	Vector Frequency Inverter
Brand Name:	COENG
Model Number:	HV350
Certification:	CE
Place of Origin:	China
MOQ:	1
Payment Terms:	L/C, T/T, Western Union
Supply Ability:	20000sets/year
Delivery Time:	10-30 working day
Packaging Details:	Carton, plywood case
Input voltage:	Input voltage: 380V (-15%) to 480V (+10%) Phase: Three-phase
Input power frequency:	50Hz/60Hz ±5%
Output voltage:	0V~Input voltage
Output frequency:	0～600Hz
Master control motor type:	Asynchronous motor
Master control speed range:	1:10 V/F；1:100 OLVC；1:1000 CLVC
Master control mode:	V/F, OLVC(Open-loop Vector Control), CLVC(Closed-loop Vector Control)