Core Product Positioning
This integrated low-voltage power distribution system is core power infrastructure designed for high-load, high-reliability industrial scenarios. It combines Generator Incomer Cabinets, Active Filter Cabinets, and Feeder Cabinets to solve three key challenges: redundant access of multiple power sources, power quality management, and safe load distribution, ensuring continuous production and stable equipment operation.
In-Depth Cabinet Bank Analysis: Functions & Configurations
1. Generator Incomer Cabinet (Gen-1/2/3)
As the connection hub between backup generators and the main distribution system, this cabinet safely integrates generator power into the network and ensures power supply redundancy.
Core Functions
- Time-sharing/simultaneous power supply switching for multiple generators, enabling seamless redundant switching if main power fails.
- Integrated high-power circuit breakers and relay protection modules for full protection against grid connection issues, overload, short circuit, and reverse power.
- Equipped with Deep Sea Electronics controllers and visual operation panels for real-time monitoring of generator parameters.
Core Configurations
- Main Circuit Breaker: ABB SACE Emax 2 Series Air Circuit Breaker (ACB) – 2500A rated current, 50kA breaking capacity.
- Control Unit: Integrated grid connection control components and voltage/current monitoring modules.
- Wiring: Zoned terminal block layout with labeled wiring for efficient post-maintenance.
2. Active Filter Cabinet
This cabinet acts as the system’s power quality purifier, designed to mitigate harmonic interference in industrial environments.
Core Functions
- Real-time monitoring of 2nd to 31st harmonic currents, offsetting grid interference by generating reverse harmonic currents.
- Purifies power quality, preventing malfunctions in precision equipment like PLCs and sensors, and reducing energy loss.
Core Value
Ensures stable operation of precision production equipment, improves power system efficiency, and extends equipment service life.
3. Feeder Cabinet (MDG)

As the terminal unit for power distribution, this cabinet delivers purified power to individual load circuits for zoned protection and management.
Core Functions
- Independent circuits for different load types (motors, lighting, auxiliary equipment), each protected by an MCCB/MCB.
- Rapid fault location and isolation to prevent local issues from affecting the entire system.
Configuration Highlights
Modular drawer-type structure allows circuit maintenance without full system shutdown, improving operational efficiency.
Core Technical Highlights
- Redundant Power Architecture: Multi-generator access with seamless switching ensures continuous power in extreme conditions.
- Precision Harmonic Mitigation: Active filter modules reduce Total Harmonic Distortion (THDi) to below 5%, meeting precision equipment power requirements.
- Intelligent Monitoring: Full-cabinet voltage, current, and harmonic meters provide real-time visibility into system status.
- Reliable Brand Components: Core components from ABB and Deep Sea ensure low failure rates and a service life of over 15 years.
- Compliant Design: Meets IEC 61439 and GB 7251 standards, with CE certification for global industrial use.
Typical Application Scenarios
- Large Industrial Plants: High-load production in steel, chemical, and automotive manufacturing.
- Data Centers/Communication Base Stations: High-reliability power for core IT equipment.
- Infrastructure Projects: Temporary/permanent power distribution for rail transit and port terminals.
- Commercial Complexes: Power redundancy for central air conditioning, elevators, and other core facilities.
Why Choose Our Integrated Power Distribution System?
- Customized Solutions: Adjust generator access count, filter capacity, and feeder circuits to match specific needs.
- Optimized O&M Costs: Standardized components and clear wiring enable local electricians to perform maintenance and troubleshooting quickly.
- Full Lifecycle Services: One-stop support from design and installation to after-sales for long-term stable operation.
- Safety & Compliance: ISO and CE certifications ensure adherence to industrial safety and compliance requirements.
Technical Specifications
| Cabinet Type |
Rated Voltage |
Rated Current |
Core Component Brands |
Ingress Protection (IP) Rating |
| Generator Incomer Cabinet |
380V AC |
2500A |
ABB, Deep Sea |
IP30 |
| Active Filter Cabinet |
380V AC |
200A |
Top Domestic Brands |
IP30 |
| Feeder Cabinet |
380V/220V AC |
1250A |
ABB, CHINT |
IP30 |
Frequently Asked Questions (FAQ)
Q: How many generators can this system support?
A: The standard configuration supports 3 generators, with customization available for 4–5 generators to meet redundancy needs.
Q: What is the harmonic mitigation efficiency?
A: Over 95% efficiency for 2nd to 31st harmonics, effectively resolving interference from industrial equipment.
Q: Does it support remote monitoring?
A: Yes, a remote monitoring module can be integrated for real-time data upload and fault alerts, ideal for unattended operations.
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