The INVT GD20-110G-4 is a robust and versatile vector control inverter from the renowned Goodrive20 series,engineered to deliver superior motor control and energy efficiency.As a high-power 3 phase frequency inverter with a 110kW capacity,it is designed to handle the rigorous demands of industrial machinery,offering precise speed and torque regulation for three-phase asynchronous motors.This model stands out with its advanced sensorless vector control technology,which ensures smooth operation even at low speeds and provides high starting torque.Its robust construction,comprehensive protection features,and user-friendly design make it an ideal choice for a wide spectrum of applications,from heavy-duty pumps and compressors to complex conveyor systems and machining equipment.
1.Technical Specifications and Core Functionality
The GD20-110G-4 is built for reliability and performance in challenging industrial environments.It operates on a wide input voltage range of 3-phase 380V to 440V,with a rated output current of 215A,making it suitable for stable operation even in areas with fluctuating grid conditions[citation:3,citation:4].
A key feature of this vector control inverter is its sophisticated control algorithm.It utilizes sensorless vector control,which allows for precise motor management without the need for a feedback encoder,simplifying system architecture and reducing maintenance costs.This technology enables the drive to achieve excellent speed regulation and high dynamic performance,crucial for applications requiring rapid response to load changes.
The inverter supports a broad output frequency range from 0Hz to 400Hz,providing the flexibility needed for various motor-driven applications.For safety and durability,it boasts an IP20 protection rating,safeguarding it against the ingress of solid foreign objects,and features an independent cooling air duct design to enhance thermal management and long-term reliability.
2.Key Features and Product Advantages
The INVT GD20-110G-4 incorporates several standout features that translate into significant operational benefits.
High Efficiency and Integrated Components:This 110kW model is designed for energy savings and comes standard with a built-in DC reactor.This integrated component improves the input power factor and suppresses harmonic distortion on the power supply line,contributing to a cleaner electrical system and compliance with power quality standards.Furthermore,it includes a built-in braking unit,allowing for efficient dissipation of regenerative energy during motor deceleration,which is essential for applications with high-inertia loads or frequent cycling.
Robust Construction and Easy Maintenance:The hardware platform is built for industrial longevity.The cooling fan is designed for easy,independent disassembly,significantly simplifying maintenance and replacement procedures,thereby reducing machine downtime.The inverter also offers flexible installation options,supporting both wall-mounting and flange-mounting to suit different spatial constraints.
Rich Control and Connectivity:This 3 phase frequency inverter is equipped with a comprehensive set of programmable digital and analog inputs/outputs.It features a built-in RS485 communication interface,facilitating seamless integration into industrial networks for centralized monitoring and control.Its functionality is further extended with built-in PID control,multi-step speed operation,and a programmable logic controller(PLC)function,allowing for a high degree of automation without the need for additional hardware.
3.Primary Application Areas
The powerful and precise control offered by the GD20-110G-4 makes it suitable for a wide range of industrial sectors.
Heavy-Duty Machinery and Process Control:It is ideally suited for driving high-power equipment such as industrial air compressors,pumps,and fans,where its energy-saving capabilities and reliable performance can lead to significant operational cost reductions[citation:1,citation:9].
Material Handling and Conveying Systems:In applications like large conveyor belts,palletizers,and lifting systems,the inverter's strong starting torque and smooth acceleration/deceleration profiles ensure stable and safe material transport[citation:1,citation:9].
Specialized Industrial Equipment:Its precision control also finds use in more specialized machinery within the textile,plastic,and packaging industries,where consistent speed and torque are critical for product quality and manufacturing efficiency.
Expanded Perspective:The Role of Vector Control in Modern Industrial Automation
To fully appreciate the capabilities of the GD20-110G-4,it is helpful to understand the broader context of inverter technology and its impact on industrial systems.
1.Understanding Vector Control Technology
The term"vector control"represents a significant advancement over traditional V/F(Voltage/Frequency)control methods.While a standard V/F drive provides a rough speed control,vector control technology independently manages the motor's magnetic flux and torque-producing current components.
This sophisticated manipulation allows a vector control inverter like the GD20-110G-4 to deliver performance characteristics that were once only possible with more expensive servo systems.It provides full rated torque at zero speed,exceptional speed stability under varying loads,and a much wider speed control range.This makes it indispensable for applications that demand high precision and dynamic response,effectively bridging the gap between basic control and high-end motion solutions.
2.System Design and Selection Considerations
Integrating a high-power inverter like the GD20-110G-4 into a system requires careful planning to ensure optimal performance and longevity.
Proper Sizing and Peripheral Components:It is critical to ensure the inverter's power rating(110kW)and current rating(215A)are appropriately matched to the connected motor.While the unit includes a built-in braking unit,an appropriately sized external braking resistor is required to effectively dissipate the regenerative energy.For installations with long motor cables,the use of an output filter is recommended to protect the motor from voltage spikes and reduce electromagnetic interference(EMI).
Installation and Environmental Factors:Adherence to specified clearances around the inverter is essential for adequate airflow and cooling.The operating environment should be considered,ensuring that ambient temperature,humidity,and levels of dust and corrosive gases remain within the product's specified limits to ensure reliability and a long service life.
Frequently Asked Questions(FAQs)
1.How does the sensorless vector control of the GD20-110G-4 benefit my application?
Sensorless vector control provides superior performance compared to basic V/F control.It enables the drive to produce high starting torque,maintain consistent motor speed even under changing loads,and operate smoothly at very low speeds.This results in better process control,reduced risk of motor stalling,and improved efficiency for applications like conveyors,mixers,and machine tools.
2.What is the purpose of the built-in DC reactor?
The built-in DC reactor serves two primary purposes.First,it improves the input power factor of the drive,reducing the reactive power drawn from the grid and potentially avoiding utility penalties.Second,it helps to suppress line harmonics,minimizing electrical interference with other equipment connected to the same power supply and ensuring cleaner power quality.
3.Can this inverter communicate with a central PLC or SCADA system?
Yes,the GD20-110G-4 comes with a built-in RS485 communication port.It supports standard industrial communication protocols,such as MODBUS,allowing for seamless integration with programmable logic controllers(PLCs),human-machine interfaces(HMIs),and larger SCADA systems for centralized monitoring,control,and data acquisition.
4.What maintenance does this frequency inverter require?
Maintenance is primarily preventative.The key tasks include ensuring the cooling vents are clean and unobstructed,checking the tightness of power connections during scheduled downtime,and monitoring the condition and performance of the cooling fan.The easy-to-remove fan design simplifies its inspection and replacement when necessary.
5.Is the built-in braking unit sufficient for all deceleration needs?
The built-in braking unit manages the switching of the braking resistor.However,the braking resistor itself is an external component that must be selected and sized based on the specific application's inertia and deceleration requirements.For applications with very high inertia or requiring rapid stops,a suitably sized external braking resistor is mandatory to safely dissipate the regenerated energy.
FAQ
1.Who are We?
Beijing Zhongping Technology Co., LTD., is a one-stop integrated service provider of intelligent manufacturing, belongs to the Gong Doctor Group, is a scientific research, design, marketing, technical services, industrial Internet, international import and export services as one of the science and technology companies.
2.What can you buy from us?
PLC, inverter, human-machine interface, hydraulic products, low-voltage power distribution, industrial robots and core components
3.Is the item in stock or need to be purchased from another supplier?
We have a large inventory of goods and have our own warehouse.
4.What advantages do we have over other suppliers?
Our company has a large amount of inventory and a number of warehouses, but also in the country's important industrial provinces and cities with offices and a number of overseas service points. To provide you with intelligent manufacturing one-stop comprehensive services, save efforts, labor and cost.
5.Can you provide 100% new original authentic products?
We only sell new original genuine, no renovation, no fake, only for the original factory original!
6.How long is the delivery time?
If there is a stock, it will take 2-3 working days to ship, if the quantity is large, it will take 5-7 working days after receiving the payment, if it is not a conventional model, it will take some time, we will inform you of the specific delivery time.
7.Is there technical support available?
Of course, we have a professional technical team that can help you solve technical problems.
8.How do we guarantee quality?
We have three processes to control the quality of goods.
1). Our engineers will inspect the production and quality control in the factory regularly.
2) Incoming materials shall be inspected by experienced purchasing engineers before they can be stored.
3). At least 2 people in the logistics department cross-check the goods to be sent before delivery.
9.Can you guarantee the safe and reliable delivery of your products?
Yes, we strictly adopt the international standard packing. We also use special packaging for dangerous goods, and refrigerated shipping for items with temperature requirements. Special item packaging and general cargo standard packaging requirements may incur additional costs.
10.How about the freight?
The cost depends on how you choose to get the goods. Express is usually the fastest but also the most expensive way. Sea freight is the best solution for large quantities of goods. The exact shipping cost depends on the purchase amount、quantity and weight of your order. Please feel free to contact us for more information.
010-64225983
+8613811814778
info@zhongpingtech.com
Building 26, Liyuan Community, Chaoyang District, Beijing, China
