ECS
Power and Plant Excitation Control Solution
ECS business area providing Digital AVR, control panel configuration, retrofit, commissioning, and field support based on generator excitation control and grid stabilization technology.
ECS Solution Configuration
Control platform, field application, and modernization support are organized by panel.
Generator Excitation System
We provide core control solutions for generator voltage and grid stabilization centered on Digital AVR and PSS.
ACE-1000
Emergency Diesel Generator Excitation System
Nuclear Plant Safety Grade
- Analog Redundant Controller
- Rotating Rectifier Diode Monitoring
System Configuration & Features
- Analog Excitation Controller Redundancy
- Control: AVR (Auto Voltage Regulator)
- Control: FCR (Field Current Regulator)
- Limit: V/Hz Limit, OEL, UEL
Nuclear Quality Grade
- Safety Q-Grade (Class 1E)
Applicable Sites
- OPR-1000 Model
- Hanbit Unit 3
- Hanwool Units 2, 3
- Shin-Kori Unit 1
- Shin-Wolsong Unit 1
EDC-2000
Generator Excitation Controller
Triple-Redundant Control System with Performance Diagnosis
- Digital Triple-Redundant Controller High Reliability
- On/Offline Performance Diagnosis Technology
- Various Control, Limit, Protection Functions
System Configuration & Features
- Intuitive GUI-based HMI
- Real-time SCR Distortion Monitoring
- 41 Close/Open Display
- Real-time Power Analysis (P-CALC) Display
- Modular Structure for Rapid Replacement
Certifications
- CE Certification Acquired
- Environmental Test Pass
Installation & Operation Status
Major Domestic and International References
- Jeju Internal Combustion Units 1, 2
- Nigeria Egbin Thermal Unit 2
KDR-1500
Digital Redundant Excitation System
For Large Generators in Hydro and Thermal Plants
- Digital Redundant Controller
- Self-Diagnosis Function
- Various Control, Limit, Protection Functions
System Configuration & Features
- Intuitive GUI-based HMI
- Equipment Operation & Fault Analysis/Monitoring
- Rapid Manufacturer Technical Support
- Design Technology Patent
Certifications
- Innovative Product Designation (MSS)
- CE Certification
Installation Status
- Ulsan Thermal 2CC & 3CC
- Donghae Bio
- Yecheon Pumped Units 1, 2
- Yangyang Pumped Unit 2
- Yangyang Pumped Units 1, 3, 4 (Planned)
KDR-100
KDR-100
Digital Integrated Excitation System
- For Small Generators
- Real-time Monitoring
System Configuration & Features
- Maximum 20Adc Current Output via IGBT
- Various Control, Limit, Protection Functions
- Power System Stabilization (PSS) Function
- Compact Design Maximizing Space Efficiency
Applicable Sites
- Renewable Power Plant
- Diesel Generator
Installation Status
- KEPCO Island Plants (180 Units)
High-Precision Testing and Diagnostic Equipment
We integrate the design of ECS components including control cabinet, interfaces, and operation screens.
RTS-7000
System Configuration & Features
Excitation System Fault Diagnosis and Adjustment
- Equipment Operation via Dedicated HMI Program
- Simulated Signal Output Adjustment
- Simulated Performance Testing Identical to Real Generator and Grid Conditions
- Comprehensive Excitation System Performance Check via Standard Simulated Signals
Various Operating & Limit Tests
- PT/CT I/O Test
- AVR, MVR Operation Test
- AVR, MVR Manual/Auto Switching Test
- Over-flux (V/Hz) Limit Test
- Excitation System Step Response Test
- Loss of Field Test
- Under-Excitation Limit Test
- PSS Test
Supply Status
- KHNP
- KEPCO 5 GENCOs
- KEPCO KPS
- Korea District Heating Corp.
- K-Water
- UAE-BNPP
- Egbin Power Plant, Nigeria
ETS-5000
System Configuration & Features
EDG Excitation System Test Equipment
- Individual Card Health Check for EDG Excitation System
- Excitation System Function Testing without Running Diesel Engine
- Individual Card Testing for Each Excitation Controller
- Equipment Operation via Dedicated HMI Program
- Per-card Test History Data Storage
Excitation System Integration Test
- Controller Power Supply Verification
- EDG Startup & Shutdown Test
- Operating Range Verification Test
- Mode Switching Test
- Step Response Test
- Under-Excitation Limit Test
- Comprehensive Test
Supply Status
- Hanbit Unit 2
- Hanbit Unit 3
- Hanwool Unit 2
ITS-5000
Inverter Control Performance Verification Test Equipment
- Performance Verification Equipment for Inverter System Key Functions
- Fault Waveform and Faulty Card Detection via Key Signal Monitoring
System Configuration & Features
- Inverter System and Individual Card Inspection
- Inverter Power Quality and Control Performance Recording
- Protection Signal Setpoint Compliance Evaluation
- Inverter Control Card Integrity Check
- Reduced Recovery Time via Inverter Fault Cause Analysis
Supply Status
- Hanwool Unit 3
- Hanbit Unit 3
- Shin-Wolsong Unit 1
DTE-5000
Excitation Control Card Verification Test Equipment
EDG Excitation System Test Equipment
- Core Control Card Health Check Equipment for Nuclear Plant Main Generator Excitation Systems (Doosan Enerbility)
- All I/O Point Testing & Verification
System Configuration & Features
- Easy Operation for Full and Individual Testing
- All I/O Point Testing & Verification
- Enhanced User Convenience via HMI Operating Program
- Report (Image & Excel Export) Function
- Real-time Equipment Status Monitoring
Supply Status
- Hanwool Unit 3
- Hanbit Unit 3
- Shin-Wolsong Unit 1
R&D & Engineering
We support phased replacement, performance improvement, and digital transformation of existing excitation control systems.
Generator Characteristic Test
Technical Characteristic Testing Authority (Grade 2)
- No-load Saturation Test and V-Curve Characteristic Test
- No-load Step Response Test and Load Rejection Test
- Reactive Power Limit Test and Model Constant Derivation
Professional Technology Goals
Precise Model Constants
- Excitation System Design Expert Certification Testing
- Accurate Model Constant Identification and Reporting
- Grid-connected Large Equipment Characteristic Verification
Major Project Records
Domestic Thermal·Hydro·CCGT Plants
- Donghae Thermal 2, Pyeongtaek Thermal 4 Units
- Paldang Hydro 4, Uiam Hydro 2 Units
- Incheon Airport Energy 3, Bundang CCGT 4 Units
Maintenance Service
We propose optimal operating conditions for domestic grid-connected generation equipment (generators, governors, exciters, PSS, etc.).
Modeling Data
We perform reliable control system modeling using measurement-based data from instrumentation equipment.
Engineering Service
Based on testing authority qualification, we support large-scale precision testing services for hydro/thermal plants.
Lifecycle Care Service
We provide full lifecycle service including pre/post-installation support, commissioning, operation, and maintenance.
Engineering Services
Preventive Maintenance, Fault Diagnosis, Consulting & Training
- Preventive Maintenance for Own and Third-party Excitation Systems
- Fault Cause Analysis, Emergency Recovery, Precision Inspection
- Long-term Equipment Replacement / Upgrade Solutions
System Modernization (Retrofit)
Performance Improvement and Replacement of Existing Systems
- Rotating → Static System Conversion Engineering
- Single-Channel → Multi-Channel Stability Enhancement
- Modernization Proposal for Analog Systems
Technical Support & Training
Operational Technology Enhancement and Emergency Inspection
- Excitation System Tuning and AVR Emergency Inspection Services
- Operational Technology Consulting and Phased System Training
- Site-customized Maintenance Guides
Precision Inspection Records
We performed precision excitation system inspections at major plants including Cheongpyeong Hydro, Chuncheon Energy, Incheon Airport Energy, and Ulsan Thermal.
Emergency Support Records
We contribute to stable power grid operation through excitation system tuning and AVR emergency inspection services.
Technical Training
We provide phased excitation system technical training to plant operators, strengthening operational capabilities.