1.Ghanzi 132/11/33kV Substation Extension Works

Year: 2019-2020 | Status: Completed| Project Location:Ghanzi, Botswana | Client: Kalpataru Power Transmission Limited(India)

Testing and Commissioning of 132kV Primary Plant including:

• 132kV Circuit Breakers, 132kV Isolators, 132kV Instrument Transformers, 132kV 7MVAr Shunt Reactor
• 132kV Bus zone Stability Injections

2. Gaborone South 132/11kV Substation

Year: 2019 | Status: Completed | Project Location:Gaborone, Botswana | Client: Micrark Investments (Botswana)

Testing, Commissioning, and secondary Scheme adaptation works:

• 132kV Circuit Breaker

2. Tan Delta Testing for Legotlhwane, Makoba and Samochima Substation Transformers and Reactor

Year: 2020 | Status: Completed | Project Location:North West, Botswana | Client: Kalpataru Power Transmission Limited(India)

Carrying out Bushing Pre-Installation and Post Integrated Tan-Delta Tests on:

• 2* 220/132kV 125MVA Transformers,
• 4* 132/33kV 25MVA Transformers and 132kV 5MVAr Shunt Reactor

3. Metsibotlhoko 11kV OHL Feeder

Year: 2019 | Status: Completed | Project Location: Metsibotlhoko, Botswana | Client: Platinum Controls (Botswana)

Testing, Commissioning works:

• Testing of all control, interlocking and Protection Schemes
• 11kV Auto-Recloser

4. Molepolole 132/33kV Substation, 33kV Outdoor Circuit Breaker Works

Year: 2019 | Status: Completed | Project Location: Molepolole, Botswana | Client: NTR (Botswana)

Testing, Commissioning, secondary Scheme adaptation & termination works:

• 33kV Circuit Breaker
• Control and Protection Wiring

5. Tan Delta Testing for Legotlhwane, Makoba and Samochima Substation Transformers and Reactor

Year: 2020 | Status: Completed | Project Location: Northwest, Botswana | Client: Kalpataru Power Transmission Limited(India)

Carrying out Bushing Pre-Installation and Post Integrated Tan-Delta Tests on:

• 2* 220/132kV 125MVA Transformers, 4* 132/33kV 25MVA Transformers and 132kV 5MVAr Shunt Reactor

6.Legotlhwane 220/132kV Substation

Year: 2020 | Status: Completed | Project Location: Legotlhwane, Botswana | Client: ABB Power Grid (South Africa

Substation Control Protection and Automation Testing and commissioning.

• Testing of all control, interlocking and Protection Schemes
• Bus zone and Transformer Stability Installation of Substation Fibers

7. Letlhakane 400/220kV Substation

Year: 2020 | Status: Completed | Project Location: Letlhakane, Botswana | Client: Consolidated Power Projects (South Africa)

Testing and commissioning work and Energization:

• 400kV VTs, NGR CTs, Installation of Fiber Patch Leads, Testing of Battery bank Cells.
• Energization

7.Legotlhwane 220/132kV Substation

Year: 2020 | Status: Completed | Project Location: Legotlhwane, Botswana | Client: ABB Power Grid (South Africa

Substation Control Protection and Automation Testing and commissioning.

• Testing of all control, interlocking and Protection Schemes
• Bus zone and Transformer Stability Installation of Substation Fibers

8.Hukuntsi 11kV OHL Feeders

Year: 2020 | Status: Completed | Project Location: Hukuntsi, Botswana | Client: Sezi Electrical (Botswana)

Testing, Commissioning works:

• 2* 11kV Auto-Recloser

9.Lokgwabe 11kV OHL Feeder

Year: 2020 | Status: Completed | Project Location: Lokgwabe, Botswana | Client: Clopas Investment (Botswana)

Testing, Commissioning works:

• 11kV Auto-Recloser

10. Makoba 132/33kV Substation

Year: 2020 | Status: Completed | Project Location: Gumare, Botswana | Client: ABB Power Grid (South Africa)

Substation Control Protection and Automation Testing and commissioning.

• Testing of all control, interlocking and Protection Schemes, Bus zone, Transformer & Reactor Stability
• Installation of Substation CRP Fiber cables

11. Samochima 132/33kV Substation

Year: 2020 | Status: Completed | Project Location: Shakawe, Botswana | Client: ABB Power Grid (South Africa)

Substation Control Protection and Automation Testing and commissioning.

•  Testing of all control, interlocking and Protection Schemes, Bus zone& Transformer Stability

12. Bank of Botswana 11/0.4kV Extension Works

Year: 2020 | Status: Completed | Project Location: Gaborone, Botswana | Client:Sharps Electrical(Botswana)

Testing and Commissioning works:

• Testing of 11kV CTS, 11kV Power Cables, Protection Relays, RMU controls

13. Pitsane, Molopa, Sheep Farm, 11kV OHL Feeders

Year: 2020 | Status: Completed | Project Location: Pitsane, Botswana | Client: Ideal Choice (Botswana)

Testing, Commissioning works:

• 3* 11kV Auto-Reclosers

14. Ramotswa 132/33/11kV Substation

Year: 2020-2021 | Status: Completed | Project Location: Ramotswa, Botswana | Client: Micrack Investments(Botswana)

Testing, Cold and Hot commissioning of Complete Substation:.

• 132kV AIS Primary Plant (7Bays), including 2*132/33kV 40MVA Transformers and 2* 132/11kV 30MVA Transformers.
• All Protection and Control Panels
• 11Panel Board 33kV Indoor GIS
• 14 Panel 11kV Metal-clad indoor Board
• Splicing of OPGW Fibers
• Testing and Commissioning of Remote Feeder ends 132kV Control and Protection Relays including Retrofit.

15. Ramotswa 132/33/11kV Substation

Year: 2020-2021 | Status: Completed | Project Location: Ramotswa, Botswana | Client: Sieyuan Electrical Botswana(Botswana)

Testing, Cold and Hot commissioning of Complete Substation:.

• Substation Protection Settings
• Metering IEDs Functional Checks
• Protection IEDs Functional Checks
• Onsite SCADA Setup signals testing and Commissioning
• Laying, termination of Substation Automation Fibers

16. Pilane Main 33/11kV Substation Extension works

Year: 2020-2021 | Status: Completed | Project Location: Pilane, Botswana | Client:Cletem Electrical(Botswana)

Testing, Commissioning, and termination works:

• 1* 33/11kV 5MVA Transformer Bay including Two Circuit Breakers
• 1 Control & Protection Panel and a Battery Tripping Unit.

17. Notwane 33/11kV Substation

Year: 2020 | Status: Completed | Project Location: Notwane, Botswana | Client: Micrark Investments (Botswana)

Testing and commissioning of Complete Substation:

• 33/11kV AIS Primary Plant
• Protection and Control Panels including Battery Tripping unit
• Substation Protection Settings
• Cable laying and Termination Schedules

18. Morupule 400kV Line Bay Morupule B Power Station

Year: 2020 | Status: Completed | Project Location: Morupule, Botswana | Client: ABB Power Grid (South Africa)

Testing and commissioning of Letlhakane 400kV Line Bay:

• Protection and Control
• Bus Zone Stability

19. Jwaneng 132kV Compass Switchgear Retrofit

Year: 2020-2021 | Status: Completed | Project Location: Jwaneng, Botswana | Client: Botswana Power Corporation

Supply, Installation, Testing and commissioning of 132kV Earthswitch Mechanism and related Control cables for 132kV Compass Switchgear.

• Cable Laying and Termination
• Decommissioning of old Mechanism
• Decommissioning of old Mechanism
• Supply, Installation of new Mechanism, testing and commissioning

20. Pilane Main 33/11kV Tranformer

Year: 2021 | Status: Completed | Project Location: Gaborone, Botswana | Client: Partners Electrical (Botswana)

Site Acceptance Testing of 5MVA 33/11kV Transformer T2 at Pilane Main Substation:

• Functional and SAT Tests for Transformer
• Mechanical Trip wiring on 33kV AR and Testing trip scheme

21. 33kV Transformer, GIS Switchgear Panel Retrofit

Year: 2021 | Status: completed | Project Location: Southern Region, Botswana | Client: Total Safety (Botswana)

Installation, Testing and Commissioning of Protection Relays & Automation Accessories for Phase 2 Substations of Distribution SCADA Extension Projectin 12 substations including:

• Decommissioning of Old Panel
• Testing and Commissioning of CTs
• Testing and Commissioning of Protection Relay

22. 11kV CT Replacement at Sub50

Year: 2021 | Status: completed | Project Location: Southern Region, Botswana | Client: Linear Investments (Botswana)

11kV indoor Metal Clad Board CT replacement on two panels, a total of six

• Installation, Testing and Commissioning of new11kV CTs

23. UB Academic Hospital 11kV Feeders Solkor Protection Scheme

Year: 2021 | Status: complated | Project Location: Gaborone, Botswana | Client: Sharps Electrical (Botswana)

Pilot wire scheme retrofit for Two 11kV Feeders from UB Main SS to UB Academic Hospital:

• Retrofit of Pilot wire Cabinet
• Laying, Termination and Testing of Pilot wire cables to new Panels
• Retrofit of Pilot wire Cabinet
• Testing and Commissioning of Protection Scheme

24. Lotsane 66/11kV Substation Works

Year: 2020 | Status: completed | Project Location: Palapye, Botswana | Client: Sezi Electrical (Botswana)

Testing, Commissioning, and termination works:

• 1* 66kV OHL bay Primary Equipment Testing
• Installation, Testing of Protection Relay including Bus zone Tests.
• Protection Setting Studies

25. Mmankgodi 33/11kV Substation Upgrade

Year: 2021 | Status: completed | Project Location: Mmankgodi, Botswana | Client: SMicrark Investments (Botswana)

Testing and commissioning of Complete Substation Upgrade:

• 5MVA 33/11kV Transformer Bay including, AIS 33kV Circuit breaker, Isolator and Earth Switch
• Protection and Control Testing and commissioning
• Protection Settings calculations and implementation
• Cable laying and Termination Schedules

26. Orapa Debswana CB Masterpact Maintenance

Year: 2021 | Status: completed | Project Location: Orapa, Botswana | Client: Sezi Electrical (Botswana)

Carrying out maintenance of LV Circuit Breaker 525V Masterpact a total of 70 Master packs Maintained

• 5MVA 33/11kV Transformer Bay including, AIS 33kV Circuit breaker, Isolator and Earth Switch
• Protection and Control Testing and commissioning
• Protection Settings calculations and implementation
• Cable laying and Termination Schedules

27. Orapa Debswana Mine Power System Audit

Year: 2021 | Status: completed | Project Location: Orapa, Botswana | Client: Debswana Orapa Mine (Botswana)

Caried out an audit on 12 Substations, the audit entailed:

• Power Quality
• Primary Plant checks inspection
• Protection Settings calculations and implementation Protection Relay desktop grading checks, inspections

28. Karowe Mine 11kV SS

Year: 2021 | Status: completed | Project Location: Letlhakane, Botswana | Client: One Track Engineering (Botswana)

Site acceptance testing of 11kV 20 Panel AIS Indoor Metal-clad Switchgear Board.

• Busbar Ductor Tests
• Secondary Relay Tests
• Primary Injection Tests

29. Digawana 33/11kV Substation

Year: 2021 | Status: completed | Project Location: Digawana, Botswana | Client: Platinum Controls (Botswana)

Secondary cable terminations, Testing & Commissioning works:

• 1 x 2MVA Transformer
• 1x 33kV Auto-Recloser
• 2x 11kV Auto-Reclosers
• Secondary Cable termination Schedule
• Secondary Cable Terminations.

30. Jwaneng Mine 33/6.6kV Transformer Skid

Year: 2022 | Status: completed | Project Location: Jwaneng, Botswana | Client: Linear Investments (Botswana)

Testing and commissioning of Transformer Skid 33/6.6kV including the following:

• 1 x 10MVA Transformer
• 1 x 60kVA Auxiliary Transformer
• 33kV and 6.6kV Switchgear Panels
• Modification & installation of Close Circuit to trip via Relay and Pendant Switch

31. Morupule A Power Station Generator Unit 1 Protection Relay Maintenance

Year: 2022 | Status: completed | Project Location: Palapye, Botswana | Client: Botswana Power Corporation

Maintenance of Generator Unit 1 Protection Relays:

• Maintenance of Protection Relays 6.6kV Switch Board (9 Panels)
• 380V FGD Board (3 Panels)
• 2 x Generator Protection Panels

32. Fields Mall 11/0.4kV Substations

Year: 2022 | Status: completed | Project Location: Gaborone, Botswana | Client: Sharps Electrical(Botswana)

Testing and Commissioning of 4 x 11kV Substations:

• Testing of 11kV CTs,
• Protection Relays,
• 11kV RMUs
• Protection Settings

33. Western Industrial Estates HV Equipment

Year: 2022 | Status: completed | Project Location: Gaborone, Botswana | Client: MvLv Electricals(Botswana)

Testing and Commissioning of 11kV Equipment:

• Pressure test of 11kV XLPE Cable via VLF method
• 11kV RMU
• 11kV RMUs
• Protection Settings

34. Western Industrial Estates HV Equipment

Year: 2022 | Status: completed | Project Location: Palapye, Botswana | Client: Botswana Power Corporation

Maintenance of Generator Unit 3 Protection Relays:

• Maintenance of Protection Relays 6.6kV Switch Board (9 Panels)
• 380V FGD Board (3 Panels)
•  2 x Generator Protection Panels

35. Orapa Mine 33kV GIS Fixed Pattern Indoor Board

Year: 2022 | Status: completed | Project Location: Jwaneng, Botswana | Client: Linear Investments (Botswana)

Testing and commissioning of 33kV CT including the following:

• 4 x 33kV Wiring, and Testing and commissioning of Core Balance Current Transformers

36. Bobonong 33/11kV Substation Upgrade

Year: 2022-2023 | Status: completed | Project Location: Bobonong, Botswana | Client: Clopas Investments (Botswana)

Testing and Commissioning of 33/11kV Substation: (Activities to be Carried out)

• 2 x 5MVA Transformer
• 2x 33kV CBs
• 33 and 11kV CTs
• Transformer Protection Panels
• Protection Settings Calculation
• SCADA Commissioning
• Secondary Cable termination Schedule
• Secondary Cable Terminations.

37. Tlokweng 132/11kV Substation

Year: 2022 | Status: completed | Project Location: Tlokweng, Botswana | Client: Micrark Investments (Botswana)

Testing and Commissioning of complete 132/11kV Substation including Retrofit at Remote Line Ends, ADSS Fiber Splicing and testing.

38. Sub 581 11kV Switchboard

Year: 2022-2023 | Status: completed | Project Location: Gaborone, Botswana | Client: OCEF Engineering(Botswana)

Installation, Testing, and commissioning of six 11kV Switchgear Panels:

• Panel Assembly incl Busbar Coupling
• Secondary wiring and Relay config
• SAT of CBs, CTs, VTs, Relays

39. Motheo 220kV Rated Switching Station and 132/11kV Substation Project

Year: 2022-2023 | Status: completed | Project Location: Ghanzi Region, Motheo Mine, Botswana | Client: Sieyuan

Testing and Commissioning of complete 220kV Rated Switching Station (Energized at 132kV) and Testing and commissioning of 132/11kV Substation.

40. Jwaneng Mine 11kV Switchgear Board (to be operated at 6.6kV)

Year: 2022-2023 | Status: completed | Project Location: Gaborone, Botswana | Client: Linear Investments (Botswana)

Testing and commissioning of 12 Panel Metal Clad Indoor Switchgear Board:

• SAT for Instrument Transformers
• SAT for Protection Relays including Arc Scheme testing.
• Functional checks of switchgear including Interlock Verification

41. Thamaga 220/132kV Substation Protection Control and Automation System Retrofit

Year: 2022 | Status: Completed | Project Location: Thamaga, Botswana | Client: Hitachi Energy (South Africa)

Thamaga 220/132kV Substation SCADA & Protection Upgrade Installations, Testing and Commissioning

42. Morupule Coal Mine Electrical Maintenance

Year: 2022-2023 | Status: Completed | Project Location: Palapye, Botswana | Client:Morupule Coal Mine

TMaintenance of Various High Voltage Equipment including:

• Power Transformers
• Circuit Breakers
• Protection Relays
• Thermal Imaging of Plant

43. Sese 33/11kV Substation

Year: 2023 | Status: Completed | Project Location: Sese, Botswana | Client: Micrark Investments (Botswana)

Testing and Commissioning of 33/11kV complete Substation:

• 2 x 5MVA Power Transformers
• 3x 33kV & 2x 11kV CBs
• 33kV and 11kV Post CTs
• Line & Transformer Protection Panels
• Metering Panel, BTU, AC Change Over Panel
• Secondary Cable termination Schedule & termination assistance

44. Letlhakane Mine 22/0.55kV SS Maintenance Works

Year: 2023 | Status: Completed | Project Location: Letlhakane, Botswana | Client: Giadray Technical Solution (Botswana)

Maintenance of 22/0.55kV Substation Equipment included:

• Battery Tripping Unit
• Supply of Power Meters
• 22/0.55kV Power Transformer included Oil Sampling & Analysis
• 22kV RMU Functional testing including Relay Trip Tests

45. Phokoje 400/220kV Substation 220kV CB Maintenance

Year: 2023 | Status: Completed | Project Location: Selebi Phikwe, Botswana | Client: Botswana Power Corporation

Maintenance of 22/0.55kV Substation Equipment included:

• Replacement of Nylon Gears
• Supply of Power Meters
• Testing of 220kV Circuit breakers

46. Morupule A Power Station Generator Unit 1 Protection Relay Maintenance

Year: 2023 | Status: Completed | Project Location: Palapye, Botswana | Client: Botswana Power Corporation

Maintenance of Generator Unit 1 Protection Relays:

• Maintenance of Protection Relays 6.6kV Switch Board (9 Panels)
• Supply of Power Meters
• 380V FGD Board (3 Panels)
• 2 x Generator Protection Panels
• Unit, Station, Inter-bus & Earthing Transformer Panels (All Electromechanical Relays)

47. Coca Cola Arc Protection Scheme for LV Panels

Year: 2023 | Status: Completed | Project Location: Gaborone, Botswana | Client: Bartz Engineering (Botswana)

Design, Supply, installation, and commissioning of an Arc Protection Scheme in LV Panels at Coca-Cola.

48. Letlhakane Stadium Transformer

Year: 2023 | Status: Completed | Project Location: Letlhakane, Botswana | Client: Sezi Electrical (Botswana)

Testing & commissioning of 33/0.4kV 1 MVA Power Transformer.

49. 11kV Overhead Line Auto Recloser Motheo Mine

Year: 2023 | Status: Completed | Project Location: Ghanzi Region, Motheo Mine, Botswana | Client: Platinum Controls (Botswana)

Testing and commissioning of 2 x 11kV Auto Reclosers.

50. 33kV Overhead Line Auto Recloser Thebephatswa

Year: 2023 | Status: Completed | Project Location: Thebephatswa Botswana | Client: Botswana Power Corporation

Testing and commissioning of a 33kV Auto Recloser.