INVT GD200A-1R5G-4 Industrial Vector Control 3 Phase VFD Unit

　　Product Overview and Introduction

　　The INVT GD200A-1R5G-4 represents a sophisticated approach to industrial motor control,combining vector control technology with robust design for demanding applications.As a 1.5kW power rating member of INVT's GD200A series,this three-phase variable frequency drive delivers exceptional performance across various industrial settings.The drive incorporates advanced vector control algorithms without requiring external encoder feedback,making it both highly capable and cost-effective.With its semi-booksize construction and independent air duct design,it facilitates efficient heat dissipation while allowing flexible mounting configurations including wall,flange,and floor mounting options.

　　This variable frequency drive stands out in the competitive market through its balance of performance,reliability,and value.Engineered to meet international standards including CE certification through TÜV SÜD,the GD200A-1R5G-4 ensures compliance with global quality and safety requirements.The drive's design emphasizes environmental adaptability with enhanced resistance to challenging grid conditions,temperature variations,humidity,and dust.These characteristics make it particularly suitable for industrial environments where reliability under harsh conditions is paramount.

　　Technical Specifications and Operating Parameters

　　The GD200A-1R5G-4 operates with a wide voltage input range of AC 380V(-15%)to 440V(+10%)three-phase,allowing it to maintain stable operation even with significant grid fluctuations.This input voltage flexibility provides a distinct advantage in regions with unstable power supplies or industrial facilities with significant voltage sag.The drive's output characteristics deliver 0-400Hz frequency range,supporting virtually all standard industrial motor applications.

　　With its compact form factor,the drive optimizes control panel space utilization.The unit features comprehensive protection mechanisms including overcurrent,overvoltage,undervoltage,phase loss,overtemperature,and overload protection–more than thirty different fault protection functions in total.This extensive protection suite enhances system reliability and minimizes unexpected downtime.The control methodology employs both sensorless vector control and space voltage vector control modes,providing flexibility for different application requirements and performance expectations.

　　Performance Characteristics and Control Features

　　The GD200A-1R5G-4 demonstrates exceptional motor control performance with starting torque of 150%at 0.5Hz,enabling high breakaway torque for challenging start-up conditions.The drive achieves a speed control ratio of 1:100 with speed regulation accuracy of±0.2%in open-loop vector mode,providing precise motor speed control across the entire operating range.The torque response time of less than 20ms ensures rapid adaptation to changing load conditions,making it suitable for applications with variable loading.

　　The drive offers multiple frequency setting options including digital setting,analog inputs(0-10V/0-20mA,-10V to+10V),pulse frequency setting,multi-step speed operation,simple PLC programming,PID control,and MODBUS communication.This configuration flexibility allows seamless integration into diverse control architectures.The unit also features an automatic voltage regulation(AVR)function that maintains constant output voltage despite supply fluctuations,ensuring consistent motor performance across varying grid conditions.

　　Application Scenarios and Industry Implementation

　　The GD200A-1R5G-4 finds application across numerous industrial sectors,particularly excelling in pump,fan,compressor,and conveyor systems.Its robust construction and environmental resilience make it suitable for harsh operating environments found in manufacturing facilities,processing plants,and material handling operations.The drive's sensorless vector control capability provides high starting torque and excellent low-speed performance,addressing the demands of applications with heavy start-up loads or requiring precise low-speed operation.

　　For water supply applications,the drive includes a dedicated simple water supply function,simplifying implementation in pressure boosting systems,water treatment facilities,and irrigation applications.The instantaneous power loss ride-through capability ensures continuous operation during brief power interruptions,preventing production stoppages and reducing motor stress during power recovery.These specialized functions demonstrate INVT's understanding of real-world application requirements beyond basic motor control.

　　System Integration and Installation Advantages

　　The GD200A-1R5G-4 features a semi-booksize design with independent cooling ducts that prevent dust accumulation and maintain optimal thermal performance.This construction supports three mounting options:wall mounting,flange mounting,and floor mounting,providing installation flexibility for various cabinet designs and space constraints.The modular terminal boards with pluggable connections significantly simplify wiring and reduce installation time.

　　The drive supports common DC bus configurations,enabling innovative power sharing architectures in multi-drive systems.This capability allows regenerative energy from braking motors to be utilized by accelerating motors elsewhere in the system,reducing overall energy consumption.The unit also accepts direct DC power input,facilitating integration with renewable energy sources or backup power systems.Units up to 30kW include built-in braking units,eliminating the need for external components in most dynamic braking applications.

　　Comparative Analysis and Technical Differentiation

　　Within the competitive landscape of industrial variable frequency drives,the GD200A-1R5G-4 distinguishes itself through several key technological advantages.The drive's electromagnetic compatibility is enhanced through built-in C3 filters,with optional external C2 filters available for applications requiring stricter emission control.This EMC performance exceeds that of many comparable drives in its class,reducing high-frequency interference with sensitive electronic equipment in industrial environments.

　　The drive incorporates multiple braking methods including energy consumption braking,flux braking,DC braking,and short-circuit braking.This braking flexibility allows optimal stopping performance across different load types and inertia characteristics.The built-in PLC functionality enables autonomous operation sequences without requiring external controllers,while the rotating speed search and restart function allows the drive to smoothly reconnect to rotating motors without disruptive current surges.

　　FAQs About INVT GD200A-1R5G-4 Vector Control VFD

　　What distinguishes vector control from standard V/F control in this drive?

　　Unlike basic V/F control that maintains a constant voltage-to-frequency ratio,the GD200A-1R5G-4 implements sophisticated vector control that independently regulates motor flux and torque components.This advanced approach provides superior dynamic response,better speed regulation accuracy(±0.2%),and higher starting torque(150%at 0.5Hz)compared to conventional V/F control.The vector control implementation doesn't require a feedback encoder,reducing system complexity and cost while delivering performance characteristics approaching those of closed-loop systems.

　　What industries and applications is this VFD particularly suited for?

　　The GD200A-1R5G-4 is engineered for industrial automation applications including material handling systems,production machinery,and process control equipment.Its robust design makes it appropriate for manufacturing environments,while its pump and fan optimization provides energy savings in HVAC and fluid systems.The drive's wide voltage tolerance makes it particularly valuable in regions with unstable power infrastructure or industrial plants with significant voltage fluctuations.

　　How does this drive enhance energy efficiency in motor-driven systems?

　　The drive incorporates several energy-saving technologies including an automatic energy-saving operation mode that optimizes output voltage based on load conditions.The support for common DC bus configurations enables power sharing between multiple drives,while the built-in braking units(on models up to 30kW)facilitate efficient energy dissipation during deceleration.These features collectively reduce overall system energy consumption,with some multi-drive configurations achieving 5-30%energy savings.

　　What control interfaces and communication capabilities does it offer?

　　The GD200A-1R5G-4 provides comprehensive control and feedback interfaces including analog inputs(0-10V/0-20mA,-10V to+10V),digital inputs(8 standard plus 1 high-speed),analog outputs(2 channels),relay outputs(2 channels),and high-speed pulse output.For system integration,the drive supports MODBUS communication and can be expanded with optional communication cards for PROFIBUS-DP,PROFINET,EtherCAT,and CANopen networks,enabling seamless connection to industrial automation systems.

　　What safety certifications and protection features are incorporated?

　　The drive carries international safety certifications including CE marking through TÜV SÜD,demonstrating compliance with European safety and EMC directives.The unit incorporates comprehensive fault protection against overcurrent,overvoltage,undervoltage,phase loss,overtemperature,and overload conditions.The Safe Torque Off function provides additional safety for maintenance operations,while the secure parameter copy feature on the detachable keypad simplifies backup and restoration of configuration settings.