The INVT GD200A-355G/400P-4 is a high-performance high power AC drive engineered for demanding industrial applications that require stable torque output,precise speed control,and long-term reliability.As part of the GD200A series,this heavy duty VFD drive is designed to support high-capacity motors operating under continuous load,frequent start-stop cycles,and harsh industrial environments.
This model is widely deployed in industries such as metals processing,mining,petrochemical plants,water and wastewater treatment,cement production,and heavy manufacturing,where motor control systems must deliver consistent performance while minimizing downtime and energy consumption.The GD200A-355G/400P-4 balances power density,control accuracy,and system compatibility,making it suitable for both new installations and retrofit projects.
By combining robust hardware design with advanced control algorithms,this drive supports stable operation even under voltage fluctuations,heavy load inertia,and complex process demands.
Understanding High Power and Heavy Duty VFD Drives
What Is a High Power AC Drive?
A high power AC drive is a variable frequency drive specifically designed to control medium-to high-capacity motors,typically used in industrial processes with high torque demand or large mechanical loads.These drives regulate motor speed,torque,and direction by adjusting output frequency and voltage,enabling precise control over industrial equipment.
High power drives are essential for:
Reducing mechanical stress during motor startup
Improving process stability
Lowering energy consumption
Extending motor and equipment lifespan
Why Heavy Duty VFD Drives Matter
A heavy duty VFD drive is built to withstand continuous operation under demanding conditions such as high starting torque,frequent overloads,dusty or humid environments,and extended duty cycles.Compared to light-duty or standard drives,heavy duty models provide:
Higher overload capacity
Enhanced thermal management
Reinforced power components
Greater operational stability
In industrial environments where unplanned downtime leads to significant production losses,heavy duty VFD drives like the GD200A-355G/400P-4 play a critical role in maintaining system reliability and productivity.
GD200A Series Positioning and Design Philosophy
The GD200A series is INVT’s flagship line of general-purpose industrial drives,positioned between standard automation drives and highly specialized application-specific VFDs.The design philosophy emphasizes:
Broad application compatibility
Stable operation under heavy mechanical load
Easy integration into existing control systems
Long-term reliability with reduced maintenance needs
Unlike compact drives designed for light machinery,the GD200A series targets industrial-scale motors and process equipment,offering a balance between performance flexibility and industrial robustness.
Key Design Features of INVT GD200A-355G/400P-4
High Power Output Capability
The GD200A-355G/400P-4 is designed for high-capacity motor control,supporting large motors used in continuous or heavy-load operations.Its power stage is optimized to handle sustained current output without performance degradation.
Heavy Duty Overload Performance
This drive supports high overload capacity,making it suitable for applications involving:
High inertia loads
Frequent acceleration and deceleration
Sudden load changes
Such capability is essential for crushers,mixers,conveyors,and extruders.
Advanced Motor Control Algorithms
The drive supports multiple control modes,including:
V/F control for general applications
Sensorless vector control for higher torque accuracy
Torque control for process-sensitive systems
These control options allow engineers to match drive behavior precisely to application requirements.
Industrial-Grade Hardware Design
Key hardware features include:
Reinforced IGBT modules
Optimized heat dissipation structure
High-quality DC bus capacitors
Built-in EMC considerations
This ensures stable operation in high-temperature,dusty,or vibration-prone environments.
Typical Applications and Operating Conditions
Heavy Industrial Conveying Systems
The GD200A-355G/400P-4 is commonly used in large conveyor systems where stable torque output and smooth speed transitions are required to prevent material spillage or mechanical wear.
Pumps and Fans in Process Industries
In water treatment plants,power stations,and petrochemical facilities,the drive enables precise flow and pressure control while significantly reducing energy consumption compared to fixed-speed operation.
Crushers,Mills,and Mixers
Heavy mechanical loads with high starting torque demand benefit from the drive’s overload capability and stable torque control,ensuring reliable startup and continuous operation.
Compressors and Extrusion Equipment
For compressors and extrusion lines,the drive provides consistent speed regulation and protects motors from overload,thermal stress,and electrical disturbances.
Retrofitting Legacy Systems
The GD200A-355G/400P-4 is frequently used to upgrade traditional direct-on-line motor systems,improving efficiency and extending equipment lifespan without major mechanical modifications.
System Integration and Engineering Considerations
Electrical Compatibility
The drive supports standard industrial power systems and integrates smoothly with:
PLC-based control architectures
Industrial communication networks
External braking units and reactors
This flexibility simplifies both new installations and retrofit projects.
Cooling and Installation Environment
Given its high power rating,proper ventilation and thermal management are critical.Engineers should consider:
Adequate cabinet airflow
Ambient temperature limits
Dust and humidity protection
Long-Term Operational Value
From an investment perspective,this heavy duty VFD drive delivers value through:
Reduced energy consumption
Lower mechanical maintenance costs
Improved process stability
Extended motor lifespan
Selection Guidance for Industrial Users
When selecting a high power AC drive such as the GD200A-355G/400P-4,users should evaluate:
Actual motor load characteristics
Duty cycle and overload requirements
Environmental conditions
Control precision needs
Future system expansion plans
Choosing a drive with sufficient power margin and heavy duty capability helps ensure long-term operational reliability and avoids premature equipment failure.
FAQ
1.What makes the GD200A-355G/400P-4 suitable for heavy-duty industrial use?
The drive is designed with reinforced power components,high overload capacity,and advanced thermal management.These features allow it to operate reliably under continuous load,frequent starts,and high mechanical inertia,which are common in heavy industrial applications.
Unlike standard drives that may struggle under sustained stress,this model maintains stable output and protects both the motor and the mechanical system from excessive wear.
2.Is this drive suitable for both constant torque and variable torque applications?
Yes.The GD200A-355G/400P-4 supports multiple control modes,making it suitable for constant torque applications such as conveyors and mixers,as well as variable torque applications like pumps and fans.
This flexibility allows a single drive platform to be deployed across different process requirements within the same facility.
3.How does this heavy duty VFD drive improve energy efficiency?
By precisely matching motor speed to actual process demand,the drive reduces unnecessary energy consumption.This is especially significant in pump and fan applications,where even small speed reductions can lead to substantial energy savings.
Over time,these efficiency gains contribute to lower operating costs and improved sustainability.
4.What maintenance is required for long-term operation?
Routine maintenance typically includes:
Periodic inspection of cooling fans
Checking electrical connections
Monitoring operating temperature
Cleaning dust from ventilation paths
The robust design of the GD200A series minimizes maintenance frequency compared to lighter-duty drives.
5.How does this model compare with lower-power GD200A drives?
While lower-power GD200A models target general automation tasks,the GD200A-355G/400P-4 is optimized for high power,heavy load applications.It offers higher current capacity,stronger overload performance,and greater thermal resilience,making it suitable for large motors and demanding processes.
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.
+86 010-64225983
+8613811814778
info@zhongpingtech.com
Building 26, Liyuan Community, Chaoyang District, Beijing, China
