
I. Product Functions
Excitation System Application:
Voltage Regulation: Dynamically regulates the excitation current using a PID algorithm to maintain a constant generator terminal voltage with an accuracy of ±0.5%.
Dynamic Response: Dynamic response time ≤100ms (10% step voltage change), ensuring the system responds quickly to load changes.
Protection Functions: Integrates more than 10 protection logics, including over-excitation, under-excitation, V/F limiting, and rotor overcurrent, triggering alarms and recording event logs in case of faults.
Status Monitoring: Real-time monitoring of hardware status (such as IGBT temperature, power supply voltage), supporting remote fault diagnosis.
Communication Protocols: Supports Modbus RTU/TCP, IEC 61850, and other protocols for seamless integration with DCS/SCADA systems.
Expansion Functions: Provides a fiber optic interface, supporting multi-machine parallel synchronous clock signal transmission.
Variable Frequency Drive System Application:
Motor Control: As the control card for the ACS880 variable frequency drive, it handles motor speed, torque, and position signal processing tasks.
Motion Control: Supports Direct Torque Control (DTC) technology, achieving millisecond-level response speed, significantly improving dynamic performance compared to traditional vector control.
Programming Compatibility: The built-in PLCopen motion control module supports IEC61131-3 standard programming, compatible with various motor types (synchronous/asynchronous motors) and communication protocols (PROFINET, EtherCAT, etc.).
Synchronous Control: Supports encoderless positioning and multi-axis synchronous control, suitable for industrial applications such as cranes, conveyor belts, and extruders. II. Technical Parameters
Input Voltage: DC 220V±15% or DC 110V±15% (configured according to order)
Output Current: 0-20A (continuous), peak 30A (10 seconds)
Control Accuracy: Voltage regulation static error ≤0.5%, dynamic response time ≤100ms
Switching Frequency: 4-8kHz (adjustable, optimized according to application scenario)
Environmental Adaptability: Operating temperature range -20℃ to +60℃, storage temperature range -40℃ to +85℃, protection class IP20 (standard), optional IP54
Interfaces and Expansion: 4 analog inputs (0-10V/4-20mA), 8 digital inputs, 2 analog outputs (4-20mA)
Redundancy Design: Supports hot standby system, fault switching time <50ms
III. Product Advantages
High Reliability: Adopts industrial-grade components, MTBF exceeding 150,000 hours, compliant with IEC 61800-3, CE, and UL standards.
Modular Design: Supports hot-swappable maintenance, pluggable storage unit for easy parameter backup and quick replacement.
Intelligent Functions: Built-in load adaptive algorithm, automatically adjusts excitation parameters; supports integration with ABB Ability™ digital platform for predictive maintenance.
Scalable Architecture: Supports future function upgrades, protecting user investment.
IV. Application Fields
Power Industry:
Excitation control of steam turbine generator sets (e.g., 600MW supercritical units), improving power quality through precise voltage regulation.
Voltage stabilization of hydropower generator sets in peak-shaving power plants, adapting to rapid load changes.
Excitation of synchronous generators in wind/solar energy storage systems, supporting virtual synchronous machine technology to match the intermittency of new energy sources.
Industrial Field:
Starting and operation control of large synchronous motors (e.g., compressors, pump loads), optimizing power factor, saving up to 1.2 million kWh annually (case study of a steel plant).
Crane applications, reducing load swing amplitude through sensorless anti-sway control technology.
Paper industry, achieving multi-axis synchronization of equipment such as winding and conveyor belts.
Metallurgical industry, supporting high dynamic response control of rolling mills and flying shears. Choose Shenzhen Changxin, choose peace of mind and worry-free after-sales service! Large quantities in stock, same-day shipping via SF Express!!!
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