8MW Tokyo Captive Power Plant, Trincomalee

• Testing of Generator Neutral Side CT — 3 No’s
• Testing of NGR CT & Sensitive Earth Fault (SEF) Function Check
• Testing & Stability Test for 8MW Alternator
• Testing of LASCPT & Secondary Voltage Relaying Measurements
• AVR Panel Lamp Load Test
• Dummy Synchronization Checks: CB-2 Tie Feeder, CB-3 Tie Feeder & CB-6 Grid Incomer Feeder
• Commissioning of Generator Transformer
• Configuration, Testing & Commissioning of 10MVA Power Transformer
• Coordination & Commissioning of 11kV Switchgear Panel & 2MVA Transformer
• Operational Observation & Validation across all commissioned systems

• Configuration, T&C of 33kV ABB Numerical Relays — 5 No’s
• Configuration, T&C of Spare ABB Numerical Relays — 3 No’s
• Configuration, T&C of 11kV ABB Numerical Relays — 2 No’s
• T&C of Electromechanical Relays at 415V PCC Panel — 4 No’s
• Configuration, T&C of Siemens 7UM622 Numerical Protection Relay
• Configuration, T&C of Multifunction Meters (4 No’s) & Trivector Meters (3 No’s)
• Configuration, T&C of Synchronizing Relay Alstom (SKE)

4MW KMRI Captive Power Plant, Mirigama

• Testing & Commissioning of 4MW Alternator & Alternator Stability Test
• Testing & Commissioning of LAPT — 3 No’s
• Testing & Commissioning of HT Cables (Alternator to Transformer)
• Testing & Commissioning of Sensitive Earth Fault (SEF) CT
• Testing & Commissioning of 11/0.415kV Generator Transformer
• Synchronizing Check completed via Back Charging

• Configuration, Testing & Commissioning of Siemens Protection Relays
• Configuration, Testing & Commissioning of Sync Check Relay
• Configuration, Testing & Commissioning of CDG11 Standby Earth Fault (EF) Relay — 1 No.
• Configuration, Testing & Commissioning of VAJ Relays — 3 No’s
• Configuration, T&C of Energy Meters, Trivector Meters, Ammeters, Power Factor & Frequency Meters
• Final Observation & Operational Stability Sign-off

6MW Dendro Biomass Captive Power Plant, Mahiyangana

• Testing & Commissioning of Surge Arrestor, Surge Counter & Potential Devices
• Testing & Commissioning of Generator Line Side CT & Neutral Side CT
• Testing & Commissioning of 6MW Alternator & Full Alternator Stability Checks
• Testing & Commissioning of Exciter & Excitation Transformer
• System Back Charging & Dummy Synchronization Execution
• Open Circuit (OC) and Short Circuit (SC) Generator Characterization Tests
• Generator Circuit Breaker Synchronization with 33kV Utility Grid Breaker
• Comprehensive system observation & operational stability sign-off

220/20kV Substation — Doshi

• Testing & Commissioning of 220kV Circuit Breakers — 5 Sets
• Testing & Commissioning of 220kV Current Transformers — 7 Sets
• Testing & Commissioning of 220kV CVT (3 Sets) & Potential Transformers (3 Sets)
• Testing & Commissioning of 220kV Lightning Arrestors — 2 Sets
• Testing & Commissioning of 220kV Disconnectors (5 Sets) & Earth Switches (5 Sets)
• T&C of 16MVA 220/20kV Power Transformer — 1 No.
• T&C of 100kVA 20/0.415kV Auxiliary Transformer — 1 No.

• Testing & Commissioning of 220kV Control & Relay (C&R) Panels
• Power Transformer Body Protection Wiring & Functional Checks
• RTCC & OLTC Wiring & Functional Operation Verification
• Testing & Commissioning of 20kV Switchgear Panels (PT, CT, CB, Disconnector, E/S, LA)
• Transformer Stability & Busbar Stability Verification
• SCADA, Telecommunication Interface & Trip Signal Testing

220/20kV Substation — Charikar

• Testing & Commissioning of 220kV Circuit Breakers — 4 Sets
• Testing & Commissioning of 220kV Current Transformers — 5 Sets
• Testing & Commissioning of 220kV CVT (3 Sets) & Potential Transformers (2 Sets)
• Testing & Commissioning of 220kV Lightning Arrestors — 2 Sets
• Testing & Commissioning of 220kV Disconnectors (4 Sets) & Earth Switches (4 Sets)
• T&C of 16MVA 220/20kV Power Transformer — 1 No.
• T&C of 100kVA 20/0.415kV Auxiliary Transformer — 1 No.

• Testing & Commissioning of 220kV Control & Relay (C&R) Panels
• Power Transformer Body Protection Wiring & Functional Checks
• RTCC & OLTC Wiring & Functional Operation Verification
• Testing & Commissioning of 20kV Switchgear Panels (PT, CT, CB, Disconnector, E/S, LA)
• Transformer Stability & Busbar Stability Verification
• SCADA, Telecommunication Interface & Trip Signal Testing

PT. Tereos 1x9MW Co-Generation Power Plant, Cilegon

• Testing & Commissioning of HT Panel Switchgear — 6 Verticals
• Generator Testing (1 Qty) & Generator Stability Test
• T&C of Generator Transformer (1 Qty) & Auxiliary Transformers (2 Qty)
• Dummy Synchronization Testing for TG Breaker & Utility Grid Breakers
• Testing & Commissioning of LASCPT Cubicle (CT, PT, LA, Surge Capacitor)
• Testing & Commissioning of Excitation T/G, NGT / NGR & Earthing Transformer
• Testing & Commissioning of Existing Plant HT Integration
• Battery Discharge Testing for 110V DC & 220V DC Banks
• Inter-panel Wiring Checks for AVR, SYN & RMP Panels
• RTCC Panel Wiring Through-Check & Energization/Charging

1.5MW Sulphur Treatment Plant (Lao Mee Sai)

• Complete Dismantling, Overhauling & Reassembling of 1.5MW Merlin Generator
• Complete Health Check for all Power Cables & Control Cabling Infrastructure
• Relay Calibration: TGP, AVR, MCC and Outgoing Feeders
• SCADA & PLC Module Logic Verification against System Schematics
• Thermal Power Plant Interlock System Logic Validation
• Battery Bank & Battery Charger Testing (Cell Voltage Profiling)
• DC Startup Panel Inspection & Troubleshooting
• Engineering Recommendations: Relay Setting Optimization & Meter Modernization