Advanced High Cost Performance Three Phase Industrial AC Motor Variable Speed/Frequency Converter

• Customization: Available
• Application: High-performance Transducer, Three Phase Transducer, General Transducer, Single-phase Transducer, High Frequency Converter Transducer
• Output Type: Triple,Single
• Model NO.: LD350-018G-T4B/18kw
• Principle of Work: V/F,SVC
• Switch Mode: High Carrier Frequency PWM Control
• Main Circuit Type: Voltage
• Voltage of Power Supply: Low Voltage Variable-Frequency Drive
• Link of Transformation: AC-DC-AC Variable-Frequency Drive
• Nature of DC Power: Voltage Variable-Frequency Drive
• Function: Simple Type, Elevator Special, Textile Special, Constant Torque Universal Type, CNC Machines
• Brand: Laeg
• Protection Degree: IP20
• Overload Capacity: G: 150% for 60s,180% for 3s
• Input Frequency: 50Hz/ 60Hz
• Output Frequency: 0~400Hz
• Output Power: 0.75kw~400kw
• Output Voltage: 1phase 220V,3phase 380V
• Transport Package: Wooden Cases
• Specification: 100*140*180 mm
• Trademark: LAEG
• Origin: Anhui China
• HS Code: 8504409999
• Production Capacity: 250, 000/Year
• Package Size: 8.00cm * 9.00cm * 10.00cm
• Package Gross Weight: 2.500kg

Product Description

CE Certified Low Voltage Economical Variable Frequency Drive(0.75kw~400kw)

LD350 Series Universal High Performance Vector Control AC Driver 

General Introductions:

LD350 Series Universal Control Driver is a highly efficient and reliable motor drive, suitable for various industrial applications. It features premium-quality, renowned brand components and a modular design for easy installation and maintenance. Supporting multiple motor types including permanent magnet synchronous motors and asychonous motors, it is compatible with 1ph/3ph 220V and 3ph 380V power supplies at 50/60Hz, with a power range from 0.75kW to 400kW.

Applications:

It can be applied to industries such as textile, paper making, wire drawing, machine tools, packaging,food, fans, water pumps,HVAC and various automated production equipment.

Product Description

High Quality Design

1.Wide Voltage Design in line with International Standards

Meet single-phase 200V~240V,three-phase 200V~240V and 380~480V power grid requirements including Europe, North America, India, etc.

2.Various EMC Specifications and Solutions

Meet EU C3 ,C2 and other requirements andcan provided comprehensive solutions foroccasions with high EMC requirements.

3.Complete DC Braking Circuit Solution

0.75-22kW: built-in brakingunit;>30kW: optional built-in braking unitMore comprehensive and inteligent braking protection: with braking resistorshort circuit protection,braking circuiovercurrent protection, braking pipe overload protection, braking pipe direct detection and other functions.

4.Long Life Design
The core components use higher quality components, and the single boardadopts the triple-proof paint automatic spraying process to increase the environmental tolerance and improve the protection capability of thesingle board.

5.Independent Air Duct Design
Effectively prevent external pollution from entering theinverter and causing short circuit and other faults, thusimproving reliability.

6.InternationallEc Standard Design
The products comply with international lEC standards andmeet RoHS standards forenvironmental protection needs

High Performance

1.Good Voltage and Current Control

During the deceleration process, the output frequency is to adjusted to avoid excessive motor power generationdue to excessive deceleration, which may causeovervoltage on the DC bus of the inverter

During the acceleration process, the outputfrequencyis adiusted to avoid excessive loadcaused by excessive acceleration, which maycause overcurrentin the inverter.

2.Excellent Parameter Self-learning Function

It can accurately perform self-learning of rotating or static motor parameters, is easy to debug, simple tooperate,and providing higher controlaccuracyand response speed.

Asynchronous Motor:1.Static parameter self-learning 2.Comprehensive parameter self-learning

Synchronous Motor :1.Load parameter self-learning 2.No-load parameter self-learning

3.Multi-point Voltage and Flux Setting Function

Three curve setting modes: linear, multi-point curve, square curve.The three points of the curve can be adiusted.

Specification

characteristic parameter
	project			specifications
	IN-OUT		analog  input	2-way/voltage current signal switchable, voltage 0-10V,current 0-20mA
			Digital  input	5 channels/optocoupler isolation, including 1 high-speed pulse input, with a maxinum input pulse frequency of up to 100KHz
			analog  output	2 channels/voltage output range 1-10V, current output range 0-20mA, output signal type can be switched
			Digital  output	2-way/optocoupler isolation/open collector output/rated current 20mA (DO, HDO)
			Digital pulse output	2 channels/optocoupler isolation/open collector pulse (frequency or PWM) output (DO, HDO), including1 channel of high-speed pulse output, the maximum output pulse frequency can reach 100KHz
			relay  output	2-way/Normally  Open  and  Normally  Closed  Contact/250VAC-3A
			communication  mode	Standard   MODBUS-485   communication   protocol
	control characteristic		control  mode	V/F control; PG free vector control (SVC)
			Frequency  setting  mode	Multple setting methods such as keyboard setting, analog quantity seting, pulse setting, communication setting, etc
			Freduency  control  range	0.01-400.00Hz
			Frequency  control  accuracy	Digital setting: 0.01Hz; Analog setting: maximum frequency x 0.025%
			speed  range	1:200(SVC);          1:1000(FVC)
			Steady  range	±0.5%(SVC);±0.02%(FVC)
			Acceleration and deceleration time	1.0-3600.0 seconds (acceleration and deceleration times can be set separately, and S characteristics can be switched)
			Inching  control	Point frequency range: 0.00Hz-100.00Hz; Point acceleration time: 0.0s-3600s
			Starting torque	0.5Hz 150%(SVC) adjustable, considering the capacity of the frequency converter; 3.0Hz 100%(V/F)
			Torque  boost	Automatic torque increase; Adjustable manual torque increase of 0.1%-30.0%
			braking  torque	Braking resistance braking  (125%), DC braking  (20%)
			DC braking	Braking time: 0.0s-36.0s; Braking current: 0.0%-100.0%
			timing control	Timing  range:  0.0min-6500min
			Pid control	Built in PIO function for convenient closed-loop control of processes
			V over F curve	Linear, multi-point custom curve, 1.1-2.0 arbitrary descent curve
			Multi stage speed control	Buit-in simple PLC can control the maximum 16 speed frequency logic
			Carrier adjustable	Adjustable from 1.0 to 16.0kHz, adjustable according to module temperature
			Frequency setting signal	-10-+10,0-+10,4-20mA,  high-frequency  pulse,  PWM  pulse
	protection function		Overload  capacity	G:150% 60s 200% 3s
			Instantaneous  overcurrent /short circuit protection	Automatically cut off output when the rated output current exceeds 200%
			Overyoltage/secondary voltage protection	When the DC voltage of the bus is too low (360V) or too high (800V), the motor stops freely (except during braking)
			Phase loss protection	When there is a phase loss at the input or output end, the motor stops freely
			Overheat protection	When the radiator temperature is ≥85 ℃, the motor stops freely; The temperature protection threshold can be freely set according to the ambient temperature
			motor protection	Analog input can be connected to temperature sensor inputs (PT100,PT000) to achieve motor overheating protection
			Stall protection	Using current sensors to detect stall prevention during acceleration and deceleration, and stall prevention during operation (acion current can be set)
			ground protection	Using current sensors for detection
			Instant stop	By compensating for voltage reduction through load feedback energy, the frequency converter can maintain continuous operation for a short period of time
	specifications stucture		Rated  input	voltage:1/3PH     220V±20%;3PH     380V±20%;frequency:50Hz/60Hz±5%
			Cooling and protection	≤18.5kW:IP20;>18.5kW:1IP10;Forced  air  cooling
			Usage  environment	Temp:-10℃-+40℃ altitude: Not higher than 1000m; Indoor,without corrosive gases
			Save  Environment	Temp:-20℃-+65℃ humidity: 20-90%RH(No condensation)The vibration is less than 6m/S squared(0.6g)

Field Application

Company Profile

Anhui LAEG Electric Co., Ltd., established in 2013, is a subsidiary of Lu'an Jianghuai Motor Co.,Ltd, is also a nationally recognized high-tech enterprise specializing in the development, production, sales, and service of industrial automation products. Its main products include frequency converters, servo drives, servo motors, and permanent magnet synchronous motors. The company has 150 R&D personnel and a marketing network covering more than 60 countries and regions both domestically and internationally. To ensure the leading edge and innovation of its professional technology, the company continuously invests in and optimizes its R&D layout to enhance the core competitiveness of its products. Relying on its independent intellectual property rights and rich experience in motor R&D and application, the company closely follows customer needs, continuously providing satisfactory products and solutions to promote industrial development and upgrading. Currently, the company's business covers multiple fields including machine tools, plastics, cranes, construction and textiles, wires and cables, air compressors, water supply, HVAC, food, and printing and packaging.

Certifications

We have CE,CCC,ISO etc International certificates and all kinds of domestic honors.

Packing & Delivery

FAQ

Q: What about the warranty?
A: We offer 24  months warranty period as the quality guarantee.

Q: Can you do OEM?
A: Yes , we offer OEM.

Q: How about your service?
A: We have pre-sale service, in-sale service and after-sale service.What we pursue is long-term cooperation,so our principle is customer first.

Q: What are your terms of delivery?
A: Generally we ship in FOB term, but we couldoffer the solution for CNF, CIF and DDP, which all based on your requirement.

Q: What's the delivery time?
A: 10 to 30 days after receiving your payment in advance.