280+
Sync systems installed
Woodward, DEIF, ComAp
OEM trained on major makes
24/7
sync support
Experienced
team – 15+ years

⚡ generator synchronization systems (gss)

Auto Sync · Manual Sync · Sync Check · Paralleling

  • ✓ Auto Synchronizer Units – Woodward, DEIF, ComAp, ABB, Siemens
  • ✓ Manual Synchronizing Panels – synchroscopes, lamps, meters
  • ✓ Sync Check Relays (ANSI 25) – permissive paralleling
  • ✓ Automatic Paralleling Control – close on sync
  • ✓ Dead Bus Synchronizing – first on, fast transfer
  • ✓ Closed & Open Bus Transfer – make-before-break / break-before-make
  • ✓ Generator Paralleling Switchgear – ACB, MCCB integration
  • ✓ Synchronizing with Infinite Bus – shore connection, grid
  • ✓ Retrofit of Legacy Sync Systems – electromechanical to digital
  • ✓ Integration with PMS & SCADA – Modbus, Profibus, IEC 61850
  • ✓ Load Sharing after Synchronization – kW & kVAR distribution
  • ✓ Class Approvals – ABS, DNV, LR, BV, RINA

Experienced with Woodward, DEIF, ComAp, ABB, Siemens, SEL, Basler, ZIV – our team delivers.

🎛️ auto synchronizer manufacturers

Woodward · DEIF · ComAp · ABB · Siemens · SEL

Auto synchronizer makes & models

  • ✓ Woodward – SPM-A (Sync Processor Module), SPM-D, easYgen-1000/2000/3000/3500, GCP-20/30, LS-5 (with sync)
  • ✓ DEIF – AGC 100/150/200/400, PPU 300, GPU 300, Multi-line 2 with sync
  • ✓ ComAp – InteliGen NTC, InteliSys NTC, InteliMains, InteliCompact, InteliSync
  • ✓ ABB – SYN 5202, SYN 5302, SYN 6000, Unitrol 1000/6000/6800 with sync
  • ✓ Siemens – 7VE60, 7VE61, 7VE63, Siprotec 5 (7UM85, 7SJ82 with sync function)
  • ✓ SEL (Schweitzer) – SEL-700G, SEL-751, SEL-710, SEL-300G with integrated sync
  • ✓ Basler Electric – DGC-2020, DGC-2020ES, DGC-50, DGC-500, BE1-25 sync check
  • ✓ Schneider Electric – Micom P241, P341, P342, Sepam 80 with sync
  • ✓ GE Grid Solutions – D60, T60, G60 with sync function
  • ✓ ZIV – 5G, 6G, 7G protection & sync relays
  • ✓ Deep Sea Electronics – DSE8610, DSE8660, DSE8xxx with sync

Synchronization components

  • ✓ Sync Check Relays (25) – Basler BE1-25, SEL-25, Siemens 7UM, ABB SPAU 140
  • ✓ Synchroscopes – analog (Crompton, Yokogawa) & digital (DEIF, ComAp)
  • ✓ Synchronizing Lamps – dark lamp, bright lamp, rotary lamp schemes
  • ✓ Frequency Meters – for bus & incoming
  • ✓ Voltmeters – dual indication
  • ✓ Phase Sequence Indicators – ensure correct rotation
  • ✓ Automatic Synchronizers – modules dedicated to sync
  • ✓ Breaker Control Relays – close command with sync permissive
  • ✓ PT / VT Selection Switches – bus/incoming selection
  • ✓ Manual Sync Panels – complete retrofit assemblies

🔧 prime mover & generator integration

Diesel / Gas / Shaft Generators · Engine Governors · AVRs

Engine makes & models (genset)

  • ✓ MAN B&W – 23/30, 28/32, 32/40, 48/60 (genset sync integration)
  • ✓ Wärtsilä – 20, 26, 32, 46F, 31 series (synchronization retrofits)
  • ✓ Caterpillar – 3500, 3600 series, C32, C280, 3400 series (ADEM sync control)
  • ✓ MAK – M20, M25, M32, M43 (sync with Woodward/DEIF)
  • ✓ Rolls-Royce Bergen – B32:40, C26:33, K-series (sync upgrades)
  • ✓ Niigata – 6L, 8L, 12L, 16L series gensets
  • ✓ Yanmar – 6EY, 8EY, 12EY, 6HY, 8HY (aux genset sync)
  • ✓ ABC – DZ, VDZ genset engines (sync retrofits)
  • ✓ Daihatsu – DK, DC series (sync modules)
  • ✓ SEMT Pielstick – PA, PC series gensets
  • ✓ MTU – 396, 4000, 8000 series (sync integration)
  • ✓ Scania – DI09, DI13, DI16 (marine genset sync)
  • ✓ Volvo Penta – TAD, D series (sync retrofits)
  • ✓ Cummins – QSK, KTA series (sync control)
  • ✓ Kohler – marine gensets with sync option

Governor & excitation interface

  • ✓ Woodward governors – UG, PGA, ProAct, 505/505E with sync input
  • ✓ Heinzmann – digital governors with sync option
  • ✓ GAC – ESG, ESD, APECS with sync interface
  • ✓ Basler DECS – excitation with sync input (for reactive sync)
  • ✓ ABB Unitrol – AVR with sync compensation
  • ✓ Siemens Sipart – excitation control for sync
  • ✓ Stamford AVR – SX, MX, AS series with external sync
  • ✓ Leroy Somer AVR – R450, R610, D510 with load share/sync
  • ✓ Shaft generator sync – frequency converters (VACON, ABB, Siemens, Danfoss)
  • ✓ PTO/PTI sync control – for shaft generators

🔄 synchronization methods

Manual · Semi-Auto · Automatic · Dead Bus

Synchronization methods

  • ✓ Manual Synchronization – operator adjusts speed (governor) & voltage (AVR), observes sync-scope/lamps, closes breaker manually
  • ✓ Semi-Automatic Synchronization – auto matching of voltage & frequency, manual breaker close
  • ✓ Automatic Synchronization – fully automatic: speed/voltage matching & breaker close command by auto-sync unit
  • ✓ Dead Bus Synchronization – first generator closing onto dead bus (no sync check)
  • ✓ Live Bus Synchronization – synchronizing to an energized bus with sync check supervision
  • ✓ Closed Bus Transfer (Make-Before-Break) – paralleling then opening source, no break
  • ✓ Open Bus Transfer (Break-Before-Make) – fast sync after opening source
  • ✓ Isochronous Synchronization – speed matching at exact frequency
  • ✓ Droop Synchronization – speed droop mode for parallel operation

Sync panel components & retrofits

  • ✓ Manual Sync Panel Retrofit – upgrade old panels with new meters, sync-scope, lamps
  • ✓ Auto Sync Module Retrofit – add Woodward SPM, DEIF AGC, ComAp to existing switchboard
  • ✓ Sync Check Relay Retrofit – add Basler BE1-25, SEL-25 for safety
  • ✓ Digital Synchroscope Retrofit – replace analog with digital display (DEIF, ComAp)
  • ✓ Breaker Control Integration – interface with ACB, MCCB close coils
  • ✓ PT/VT Circuit Retrofit – for proper sensing voltage
  • ✓ Phase Sequence Correction – ensure correct rotation for sync
  • ✓ Remote Sync Monitoring – via PMS or SCADA
  • ✓ Sync Event Logging – digital recording of sync attempts
  • ✓ Communication Interface – Modbus, Profibus for sync data

⚙️ sync with load sharing & pms

Integrated Paralleling · Load Distribution · Power Management

Load sharing after synchronization

  • ✓ Isochronous Load Sharing – Woodward 2301, LSSC, DEIF AGC, ComAp
  • ✓ Droop Load Sharing – frequency vs. load characteristic
  • ✓ Reactive Load Sharing (kVAR) – cross current, voltage droop
  • ✓ Load Sharing Lines (LSL) – analog or digital communication
  • ✓ CANbus Load Sharing – DEIF, ComAp, Woodward networks
  • ✓ Load Sharing Modules – Woodward LS-5, LS-8, GCP-20, GAC LSM
  • ✓ Automatic Load Transfer – after sync completion
  • ✓ Minimum Load / Reverse Power Protection – after parallel

PMS integration with sync

  • ✓ Kongsberg K-Chief 700 – auto sync & load sharing integration
  • ✓ Norcontrol BridgeLine, NautoScan – sync command & monitoring
  • ✓ Valmet DAMATIC, DNA, AC 870 – power management with sync
  • ✓ ABB Ability, 800xA, AC 800M – sync & load control
  • ✓ Siemens S7-1500, PCS 7, WinCC – PLC based sync & PMS
  • ✓ Modbus TCP/RTU, Profibus DP, CANopen, IEC 61850 – protocols for sync
  • ✓ Remote Start/Stop with Auto Sync – from bridge/ECR
  • ✓ Load Dependent Start/Stop – with sync & parallel
  • ✓ Blackout Recovery with Auto Sync – fast restoration

🛡️ synchronization protection & safety

Sync Check · Reverse Power · Overcurrent

Sync check & paralleling protection

  • ✓ Sync Check Relay (ANSI 25) – voltage, frequency, phase angle supervision
  • ✓ Dead Line / Dead Bus Detection – for first closing
  • ✓ Live Line / Live Bus Detection – for parallel closing
  • ✓ Phase Sequence Protection – prevent wrong rotation sync
  • ✓ Reverse Power Relay (32) – after parallel, prevent motoring
  • ✓ Overcurrent Protection (50/51) – for fault during parallel
  • ✓ Loss of Mains Protection – islanding detection
  • ✓ Breaker Failure Protection (50BF) – backup trip if breaker fails to close/open

Protection relay makes

  • ✓ Siemens – Siprotec 5, 7UM85, 7SJ82 (integrated sync & protection)
  • ✓ ABB – REF, REM, REG 670 series with sync check
  • ✓ SEL (Schweitzer) – SEL-700G, SEL-751, SEL-710 with sync & protection
  • ✓ GE Multilin – G60, 750, 850 with sync & protection
  • ✓ DEIF – PPM 300, AGC with integrated protection
  • ✓ Basler – BE1-11, DGC-2020 integrated protection & sync
  • ✓ Woodward – easYgen protection functions + sync
  • ✓ ComAp – InteliGen, InteliSys with protection & sync
  • ✓ Schneider – Micom Px40 series with sync check

🔧 sync retrofit & troubleshooting

Modernization · Legacy Sync Panels · Diagnostics

  • ✓ Legacy sync panel replacement – electromechanical to digital (Woodward, DEIF, ComAp)
  • ✓ Manual sync to auto sync upgrade – adding auto-synchronizer modules
  • ✓ Sync check relay retrofit – adding ANSI 25 protection to existing switchboards
  • ✓ PLC-based synchronization – Siemens, Rockwell, Mitsubishi, B&R with sync algorithms
  • ✓ HMI upgrade for sync display – touchscreen, trending, event logging
  • ✓ Synchroscope replacement – analog to digital (DEIF, ComAp, Woodward)
  • ✓ Communication protocol upgrade – Modbus, Profibus, IEC 61850 for sync data
  • ✓ Integration with existing PMS/SCADA – for auto sync commands
  • ✓ PT/VT circuit retrofit – for proper sync sensing
  • ✓ Sync panel testing & commissioning – after retrofit, with class survey
  • ✓ Synchronization troubleshooting – on-site diagnostics, software validation, oscillography analysis
  • ✓ Spare parts supply – for all major sync makes (Woodward, DEIF, ComAp, ABB, Siemens, SEL, Basler)
  • ✓ Class approval support – ABS, DNV, LR, BV, RINA, NK
  • ✓ Sync card testing & repair – bench test, calibration, firmware upgrade

🌍 gss service coverage

Vessels We Serve with Synchronization Expertise

Vessel Types

  • ✓ Tankers (VLCC, ULCC, Aframax, Suezmax, Product, Chemical)
  • ✓ Bulk Carriers (Capesize, Panamax, Supramax, Handymax, Handysize)
  • ✓ Container Vessels (Post-Panamax, Neo-Panamax, ULCS, Feeder)
  • ✓ LNG / LPG Carriers (Moss, Membrane, MEGI, X-DF)
  • ✓ Offshore Vessels (PSV, AHTS, OSCV, MPSV, DSV, CSV, PLSV)
  • ✓ Drilling Rigs (Jack-up, Semi-sub, Drillships, Tender rigs)
  • ✓ FPSO / FLNG / FSRU / FSO / FSU
  • ✓ Ro-Ro / PCTC / RoPax / Car Carriers / Train Ferries
  • ✓ Cruise Ships / Passenger Ferries / Expedition Vessels
  • ✓ Naval Vessels / Coast Guard / Patrol Boats / OPVs
  • ✓ Mega Yachts / Superyachts / Luxury Yachts
  • ✓ Dredgers / Heavy Lift Vessels / Cable Layers / Pipe Layers
  • ✓ Research Vessels / Icebreakers / Polar Class
  • ✓ Tugs / Workboats / Pilot Boats / Barges

Global Service Locations

  • ✓ UAE – Dubai, Abu Dhabi, Fujairah, Sharjah, Ras Al Khaimah, Jebel Ali
  • ✓ India – Mumbai, Kochi, Chennai, Kandla, Vizag, Paradip, Kolkata, Mundra, Pipavav
  • ✓ Singapore – Jurong, Tuas, Sembawang, Keppel, Tanjong Pagar
  • ✓ Middle East – Qatar (Doha, Ras Laffan), Saudi (Dammam, Jeddah, Yanbu), Kuwait, Bahrain, Oman (Sohar, Duqm)
  • ✓ Europe – Rotterdam, Hamburg, Bremen, Antwerp, Piraeus, Marseille, Genoa, Lisbon, London, Gdansk
  • ✓ Asia – South Korea (Busan, Ulsan, Geoje), China (Shanghai, Ningbo, Hong Kong, Guangzhou, Qingdao, Tianjin), Japan (Yokohama, Kobe, Nagasaki, Imabari)
  • ✓ Africa – Durban, Cape Town, Lagos, Mombasa, Port Said, Alexandria
  • ✓ Americas – Houston, New Orleans, Miami, Rio de Janeiro, Santos, Panama, Vancouver, Montreal
  • ✓ Worldwide – all major ports and shipyards, 24/7 emergency response

⚡ 24/7 generator synchronization support

Need Generator Synchronization
System service or retrofit?

Our synchronization engineers provide complete installation, troubleshooting, retrofit, and repair services for all generator synchronization systems – Auto Synchronizers, Manual Sync Panels, Sync Check Relays, Paralleling Control, Load Sharing Integration. Available 24/7 worldwide. Class approved solutions for all major sync makes.

Email: service@seanav.org | Website: www.seanav.org | 24/7 Emergency: +971 50 123 4567