400kV / 220kV / 132kV / 33kV Switchyard, Dodoma

• Testing & Commissioning of 400/220/33 kV 250/250/85 MVA Auto Transformer — 2 No’s
• Testing & Commissioning of 3Ø, 400/220/33 kV 250/250/85 MVA Shunt Reactor — 4 No’s
• Testing & Commissioning of 400kV Current Transformer — 21 No’s
• Testing & Commissioning of 400kV Capacitor Voltage Transformer — 18 No’s
• Testing & Commissioning of 400kV Circuit Breaker — 11 Sets
• Testing & Commissioning of 400kV Disconnector — 26 Sets
• Testing & Commissioning of 400kV Lightning Arrester — 30 No’s
• Testing & Commissioning of 400kV Bus Pole Insulator — 104 No’s
• Commissioning of 400kV Differential & Stability Checked
• Commissioning of 400kV C&R Panel, ACDB & DCDB Scheme, Control & Operation checked

• Testing & Commissioning of 220/33 kV 125/125/41.6 MVA Power Transformer — 2 No’s
• Testing & Commissioning of 220kV Current Transformer — 12 No’s
• Testing & Commissioning of 220kV Circuit Breaker (4 Sets) & Disconnector (8 Sets)
• Testing & Commissioning of 220kV Lightning Arrester (12 No’s) & Bus Pole Insulator (14 No’s)
• Commissioning of 220kV Differential, Stability, C&R Panel, ACDB & DCDB Scheme
• Testing & Commissioning of 132kV Current Transformer — 4 No’s
• Testing & Commissioning of 132kV Lightning Arrester (4 No’s) & Neutral Reactor (4 No’s)

• Testing & Commissioning of 33kV Vacuum Circuit Breaker — 16 No’s
• Testing & Commissioning of 33kV Current Transformer (42 No’s) & Lightning Arrester (84 No’s)
• Testing & Commissioning of 33kV Potential Transformer (12 No’s) & 3-Pole Earthing Switch (14 No’s)
• Testing & Commissioning of 33kV Bus Pole Insulator — 12 No’s
• Testing & Commissioning of 33/0.4kV Oil Cooled Dry Type Transformer — 2 No’s
• Commissioning of 33kV Differential, Stability, ACDB & DCDB Schemes

400kV / 220kV / 132kV / 33kV Switchyard, Singida

• Testing & Commissioning of 400/220/33 kV 250/250/85 MVA Auto Transformer — 2 No’s
• Testing & Commissioning of 3Ø, 400/220/33 kV 250/250/85 MVA Shunt Reactor — 4 No’s
• Testing & Commissioning of 400kV Current Transformer — 27 No’s
• Testing & Commissioning of 400kV Capacitor Voltage Transformer — 24 No’s
• Testing & Commissioning of 400kV Circuit Breaker — 15 Sets
• Testing & Commissioning of 400kV Disconnector — 36 Sets
• Testing & Commissioning of 400kV Lightning Arrester — 42 No’s
• Testing & Commissioning of 400kV Bus Pole Insulator — 136 No’s
• Commissioning of 400kV Differential, Stability, C&R Panel, ACDB & DCDB Schemes

• Testing & Commissioning of 220/33 kV 125/125/41.6 MVA Power Transformer — 2 No’s
• Testing & Commissioning of 220kV Current Transformer — 12 No’s
• Testing & Commissioning of 220kV Circuit Breaker (4 Sets) & Disconnector (8 Sets)
• Testing & Commissioning of 220kV Lightning Arrester (12 No’s) & Bus Pole Insulator (16 No’s)
• Commissioning of 220kV Differential, Stability, C&R Panel, ACDB & DCDB Schemes
• Testing & Commissioning of 132kV Lightning Arrester (6 No’s) & Neutral Reactor (6 No’s)

• Testing & Commissioning of 33kV Vacuum Circuit Breaker — 16 No’s
• Testing & Commissioning of 33kV Current Transformer (48 No’s) & Lightning Arrester (84 No’s)
• Testing & Commissioning of 33kV Potential Transformer (12 No’s) & 3-Pole Earthing Switch (14 No’s)
• Testing & Commissioning of 33kV Bus Pole Insulator — 12 No’s
• Testing & Commissioning of 33/0.4kV Oil Cooled Dry Type Transformer — 2 No’s
• Commissioning of 33kV Differential, Stability, ACDB & DCDB Scheme

Installation of 400kV & 220kV Lemugur Substation

• Circuit Breakers (Standard 10 sets | Shunt Reactor 4 sets)
• Current Transformers (Main 42 No’s | Shunt Reactor 12 No’s)
• Capacitive Voltage Transformers (18 No’s) & Lightning Arrestors (30 No’s)
• Isolators (With Earth Switch 6 No’s | Without Earth Switch 24 No’s)
• Busbar Aluminum Alloy Tube, Bus Supports, Couplers & Conductors — 1 Lot
• Strain Bus Connections, Post Insulators, Suspension Strings — 1 Lot
• Terminal Cabinets, Control & Signaling Panels (Line-Shunt & Transformer Bays) — 1 Lot
• Full Protection Panels (Line bays, Shunt Reactor, Main Bus, Transformer) — 1 Lot
• Auxiliary Systems: Communication, Digital Monitoring, AC/DC Aux & Substation Grounding — 1 Lot

• 220kV Circuit Breakers (12 sets) & Current Transformers (33 No’s)
• 220kV Isolators (Busbar 21 No’s, Line with Earth 4 No’s, Bypass 4 No’s)
• 220kV Capacitive Voltage Transformers (18 No’s) & Lightning Arrestors (33 No’s)
• 33kV Lightning Arrestors (30 No’s) & 220/33kV XLPE Power Cable Incomer — 1 Lot
• Network Interconnections: Babati & Arusha (Njiro) Control/Protection Panels — 1 Lot
• Protection & Control: Transformer bays, Bus Coupler, Shunt Reactor, Main Bus — 1 Lot
• Telecom: IP Phones, Wave Fault Location System, Shield Wire & Grounding — 1 Lot

400/132/33kV Mawana Substation

• T&C of 400/220 kV 125 MVA Auto Transformer — 2 No’s
• T&C of 3Ø, 400kV 60 MVAr Reactor (2 No's) & Neutral Grounding Reactor (1 No.)
• 400kV Switchgear: CT (21 No’s), CVT (12 No’s), CB (7 Sets), Pantograph Isolator (1 Set)
• 400kV Isolators: With Earth Switch (10 Sets), Without Earth Switch (5 Sets), Earth Switch (4 Sets)
• T&C of 400/132 kV 80 MVA Auto Transformer — 2 No’s
• 220kV Switchgear: CT (21 No’s), CVT (18 No’s), CB (7 Sets), Pantograph Isolator (1 Set)
• 220kV Isolators: With Earth Switch (10 Sets), Without Earth Switch (6 Sets), Earth Switch (4 Sets)
• Differential, Stability, C&R Panel, ACDB & DCDB Scheme Verification (400kV & 220kV)

• 132kV Equipment: CT (21 No's), CVT (24 No's), CB (7 Sets), Line Trap (3 No's), Pantograph (3 Sets)
• 132kV Isolators: With Earth Switch (12 Sets), Without Earth Switch (8 Sets), Earth Switch (2 Sets)
• 33kV Switchgear: CB (2 No’s), Isolator with Earth (2 Sets), Neutral Earthing Compensator (2 No’s)
• 33kV Voltage Transformers (21 No’s), LA (18 No’s), 3Ø 25 MVAr Reactor (2 No’s)
• 11kV Neutral Earthing Compensator — 2 No’s
• 110V Battery Bank: Charging/Discharging Test, Load Test, Alarm & Protection Scheme

400/132/33kV Substation of Phombeya & Nkhoma

• Testing & Commissioning of 400kV Circuit Breaker — 6 Sets
• 400kV Pantograph Isolators with Earth Switch (6 Sets) & HCB Isolators (10 Sets)
• 400kV CT (6 Sets), CVT (4 Sets), Lightning Arrester (6 Sets)
• 400kV BUS Reactor (50 MVAR) & Stability Test — 2 No’s
• 400/132/33kV 66.67 MVA ICT Single Phase Transformer & Stability Test — 8 No’s
• 400kV Switchyard Testing & CRP Panels (8 No’s)

• 132kV Switchgear: CB (15 Sets), HCB Isolators (43 Sets), CT (15 Sets), CVT (15 Sets), LA (13 Sets)
• 132kV CRP Panels (17 Bays) & Full Switchyard Stability Test
• 33kV Switchyard: CB (2 Sets), HCB Isolators (2 Sets), CT (2 Sets), CRP Panel (2 No's)
• 33kV/415V Station Transformer (1600kVA Dyn-11) — 4 No’s
• 415V Diesel Generator Systems — 2 No’s
• 33kV Switchgear Board: CT (16 Sets), PT (4 Sets), CB (10 Sets)
• 110V DC Auxiliary: Battery Banks (4 Banks) & Battery Chargers (4 No’s)

66/33/11kV Sub-Stations (Blantyre, Liwonde, Zomba, Thyolo, Limbe, Ntonda, David White)

• Testing & Commissioning of 66kV Circuit Breaker, Isolators & CRP Panel — 1 No. each
• Testing & Commissioning of 33kV Circuit Breakers — 23 Sets
• Testing & Commissioning of 33kV Current Transformers — 22 Sets
• Testing & Commissioning of 33kV Isolators without Earth Switch — 36 Sets
• Testing & Commissioning of 33kV Potential Transformers (11 Sets) & LA (15 Sets)
• Testing & Commissioning of 33kV Insulators — 24 Sets
• Testing & Commissioning of 33kV/415V Auxiliary Transformers — 8 No’s
• Testing & Commissioning of 33kV CRP Panels — 22 No’s
• Stability Test for 33kV Transformers (9 No’s) & 33kV Switchyard

• Testing & Commissioning of 11kV Switchgear Circuit Breakers — 28 No’s
• Testing & Commissioning of 11kV Switchgear Current Transformers — 28 Sets
• Testing & Commissioning of 11kV Switchgear Potential Transformers — 6 Sets

400/230/15kV Substation – Debrezeit III

• GE Alstom CB (7 Sets) & GE T&D CT (7 Sets)
• GE T&D CVT (6 Sets) & Lightning Arrestors (7 Sets)
• GE T&D Pantograph Disconnectors (17 Sets) & Earth Switches (3 Sets)
• 250MVA 400/230kV Transformer (2 No’s) & 400kV CRP Panels

• 230kV GE Alstom CB (7 Sets), GE T&D CT (7 Sets), CVT (6 Sets), LA (7 Sets)
• 230kV GE T&D Pantograph Disconnectors (17 Sets) & Earth Switch (3 Sets)
• 50MVA 230/15kV Transformers (2 No’s) & 230kV CRP Panels
• Body Protection, RTCC/OLTC Functional Operations & Stability Verified
• 230kV 2-Main-Bus Interlock & 15kV Switchgear (PT, CT, CB, Disconnector) — 20 No’s

230/15kV Substation – Dukem II

• GE Alstom CB (5 Sets) & GE T&D CT (5 Sets)
• GE T&D CVT (4 Sets) & Lightning Arrestor (4 Sets)
• GE T&D Pantograph Type Disconnector (12 Sets) & Earth Switch (4 Sets)
• 50MVA 230/15kV Transformers (2 No’s) & 230kV CRP Panels
• Body Protection, RTCC & OLTC Operation, Transformer/Busbar Stability Tested
• 230kV Two Main Bus Interlock Checked On-Load

• 15kV Switchgear Panels (PT, CT, CB, Disconnector, E/S, LA) — 16 No’s
• 15kV Two Main Bus with Bus Coupler Scheme Interlock Checked

230/15kV Substation – Modjo II

• GE Alstom CB (4 Sets) & GE T&D CT (4 Sets)
• GE T&D CVT (3 Sets) & Lightning Arrestor (3 Sets)
• GE T&D Pantograph Type Disconnector (9 Sets) & Earth Switch (3 Sets)
• 50MVA 230/15kV Transformers (2 No’s) & 230kV CRP Panels
• Body Protection, RTCC & OLTC Operation, Transformer/Busbar Stability Tested
• 230kV Two Main Bus Interlock Checked On-Load

• 15kV Switchgear Panels (PT, CT, CB, Disconnector, E/S, LA) — 16 No’s
• 15kV Two Main Bus with Bus Coupler Scheme Interlock Checked

Djibouti & Libya Projects

• T&C of 63/20 kV 10/12 MVA Transformer AMF-001 ABB — 1 No.
• T&C of 63/20 kV 10/12 MVA Transformer AMF-002 ABB — 1 No.
• T&C of 1.5 MVA Trafo Schneider Electric — 7 No’s
• T&C of 100 KVA Transformer — 1 No.

• Testing of Protection Relays — 1,372 No’s
• Comprehensive Annual Shutdown Maintenance Works

Sierra Leone — 32MW Addax Bio Energy

• Testing & Commissioning of 32MW Alternator & Bus Duct
• T&C of Neutral Side CT, Phase Side CT, LAPT, Exciter & Excitation Transformer
• Full Stability Test performed for 32MW Alternator
• Modifications in BFP Motor Panel & RDOL Starter
• Schematic modifications in HT Panel, LT Panels and VFDs
• Commissioning of TG & TG CB at Dead Bus Mode with LT Breakers Support

Uganda — 14.9MW Sugar Plant & 33/11kV Substation

• T&C of 33kV Switchyard & 11kV HT Panel Switchgear (CBCT & Aux Relays)
• 33/11kV Relay & Alternator Aux Testing (GRP, MCSP, TRP Panels)
• T&C of 10MVA Power Transformer (Differential & REF Stability Tested)
• Auxiliary Trafo (2.5MVA), Mill Trafo 1 & 2 (1.25MVA), Boiling House Trafo (1.6MVA)
• Incomer CTs: 2.5MVA DT, 1MVA TG, 1MVA DT Incomers
• 11kV High Voltage tests: Switchgear BUS, O/G & I/C Cables, Gen & LAVT Cables
• Alternator PI Value Measurement & Differential Stability Testing
• Protection Relays Commissioning: Areva P341, P442, P632, P127

Jordan — 30MW MCM Captive Power Plant

• Testing & Commissioning of 32MW Generator
• Testing & Commissioning of 11kV ABB Switchgear (18 Verticals)
• Testing & Commissioning of 415V ABB Switchgear (10 No’s) & VFD Panels (8 No’s)
• Testing & Commissioning of 2 MVA Diesel Generators (Powerica) — 2 No’s
• T&C of Generator Transformer (40MVA) & Auxiliary Transformers (2MVA — 6 No’s)
• Schematic Upgrades & Interlock Synchronization across Captive Plant, Cement Plant & NEPCO