
A Synchronizing Panel automatically matches and connects multiple power sources so they run in parallel without disturbance. It measures voltage, frequency, and phase angle, aligns the incoming source with the live bus, and closes the breaker within a safe synchronization window. After parallel operation starts, the panel manages kW and kVAr sharing, export limits, and smooth load transfer between sources. Typical schemes include DG to DG, DG to Mains, and Mains to Mains with bus coupler logic. The system can operate in manual or automatic mode and integrates with AMF, PLC, or SCADA for alarms, events, and remote control. Advanced synchronizing logic ensures fuel efficiency, balanced load distribution, and extended generator life by avoiding overload and optimizing power usage. These panels are widely used in data centers, airports, large hospitals, manufacturing plants, and critical infrastructure projects where continuous and stable power is essential. With robust design, intelligent control, and flexible configurations, Synchronizing Panels provide industries with reliable, efficient, and safe multi-source power management.
Synchronizing Panel Key Feature
- Reverse power, over/under frequency, over/under voltage and ROCOF protections as applicable
- Multi-generator sequencing, load shedding or Shareing and bus coupler interlocking
- AMF integration for mains fail and restore, event logs and alarms
- SCADA or BMS connectivity via Modbus RTU or TCP, Profibus or Profinet
- IP31 to IP54 options, Form 2b or 3b segregation, copper or aluminum busbars
- Auto or manual synchronizing with voltage, frequency and phase angle matching
- Safe breaker closing using synch-check, slip frequency and phase window supervision
- Real power and reactive power sharing with droop or isochronous control
- Soft load transfer, import or export power limits and spinning reserve logic
- Dead bus, live bus, and black start sequences with configurable priorities
Synchronizing Panel Process
- Load study and parallel operation philosophy
- Scheme selection (DG–DG, DG–Mains, or Mains–Mains) and protection matrix
- SLD and GA drawings, device sizing and bill of materials
- Enclosure fabrication, busbar design, CT and PT wiring provisions
- Synchronizing controller, load share module and synch-check relay integration
- Power and control wiring, breaker interlocks and permissive logic
- FAT with live bus simulation, auto sync window tests and load sharing checks
Synchronizing Panel Industries
- Hospitals, data centers and critical IT facilities
- Airports, metros and public infrastructure
- Manufacturing plants, process industries and utilities
- Oil and gas, petrochemical and refinery utilities
- Commercial complexes, malls and office parks
- Mining, ports and large campus power plants
- Telecom shelters and broadcast stations

