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At Tocojy Energy Investments (Pty) Ltd we offer the following Services:

Electrical Engineering (HV, MV & LV Power Systems):

    • Design
    • Relay Logic Engineering
    • Factory Acceptance Testing
    • Commissioning
    • SCADA
    • Maintenance
    • Panel Manufacturing

Programming of Protection Relays:

  • Logic engineering or programming of SEL, ABB, Siemens-Reyrolle, Schneider-Micom, Alstom-Micom, Thytronic, LPS GCE, Vamp, Strike, Woodward, GE Multilin, RED-DA and Tapcon relays.
  • Programming of ION meters, Elster and Landis meters.

Commissioning & Testing:

  • Protection and Control Commissioning of Substations
  • Objective & Scope:
    The objective of the commissioning & testing is to verify the correct integration of primary & secondary Protection, Control & Metering Equipment for each Transformer, Motor & Feeder Bay, with the objective of signing each bay off as ready to be energized with primary voltage.

Testing all Primary Equipment:

  • Circuit Breakers
  • Current Transformers
  • Voltage Transformers
  • Power Transformers
  • NEC/NER/ Auxiliary Transformers

Proving Equipment Wiring to Design Drawings:

  • Circuit Breakers
  • Transformer Auxiliary Wiring
  • Tap Change Drive
  • Control Panel

Proving & Testing all Secondary Cables:

  • Continuity
  • Insulation resistance
  • Core & Cable Numbers

– Apply Relay Settings & Logic
– Secondary inject relays & other secondary equipment
– Function test complete scheme

| Substation Maintenance & Fault Analysis

| Upgrades/ Retrofits/ Modification

| Cable Termination

| Panel wiring & Testing

| Building Electrical installation &
Commissioning

| SCADA

Tocojy Energy Investments (Pty) Ltd has completed projects in Countries like: Namibia, Mauritius, Botswana, Lesotho and (Democratic Republic of Congo (DRC).

Completed Projects

 Nelson Mandela Metro (Conco Energy Solutions) – 2018
Relays Logic Engineering and Factory Acceptance Testing of 14 x 132kV Feeders for Nelson Mandela Metro (Chatty) Substation
 Greenyellow – Mauritius (Conco Energy Solutions) – 2018
Relays Logic Engineering and Factory Acceptance Testing of 22/66kV 14MVA for Solitude Mauritius PV Solar Substation
 Blyvooruitzicht Mine – EHL (Conco Energy Solutions) – 2018
Relays Logic Engineering and Factory Acceptance Testing of 132/6.6kV 20MVA for Substation
 Omnia Fertilizer – (Conco Energy Solutions) – 2018
Relays Logic Engineering and Factory Acceptance Testing of 14 x 11kV Actom Switchgear
 Ballito Hills Project – (Conco Energy Solutions) 2018
Relays Logic Engineering and Factory Acceptance Testing of 10 x 11kV Actom Switchgear
 Ampco Elite Substation (Conco Energy Solutions) – 2018
Relays Logic Engineering and Factory Acceptance Testing of 25 x 11kV Actom Switchgear
 Greenam Kokerboom PV Plant 66KV Project – 2018
Commissioning of 66kV 10MW Greenam Kokerboom PV Plant Substation to Nampower Transmission Substation (Namibia)
 Greenam Mariental PV Plant 66KV Project – 2018
Commissioning of 66kV 10MW Greenam Mariental PV Plant Substation to Nampower Hardap Substation (Namibia)
 22/66KV Solitude PV Solar Plant Substation (Conco Energy Solutions) – 2018
Commissioning of 14MVA Solitude 22/66kV Solar PV Plant Substation all the way to Central Electricity Board (CEB) for GreenYellow in Mauritius
 88/11KV Hartbeesfontein Substation (Conco Energy Solutions) – 2018
Commissioning of 5x Extension 11kV Switchgear Panels for Ekhuruleni Municipality
 11KV Witfontein North & South Substations (Conco Energy Solutions) – 2018
Relays Logic Engineering and Factory Acceptance Testing of 14 x 11kV Actom Switchgear
 11kV Orchards Nelspruit Substation (Conco Energy Solutions) – 2018
Relays Logic Engineering and Factory Acceptance Testing of 9 x 11kV Actom Switchgear
 400/220/132/33kV BPC Various Substations (Conco Energy Solutions) – 2018
Substations Fault Analysis and Providing/Implementing Solutions on the Network
 400/220/33kV BPC Letlhakane Substation (Conco Energy Solutions) – 2018/2019
Scheme Relays Logic Engineering and Factory Acceptance Testing for Botswana Power Corporation: 2x 400/220/33kV Transformer Feeders, 2x 33kV Line Reactor Feeders, 2x 400KV Line Feeders, 2x 400kV Bus Couplers, 3x 400kV Line Reactor Feeders, 2x 400kV Bus Sections, 1x 400kV Buszone, 1x 220kV Buszone, 4x 220kV Line Feeders and 1x 220kV Buscoupler.
 22/132KV Witkop PV Solar Plant Substation (Polokwane) – 2019
Commissioning/Maintenance of 2x 20MVA Transformers and 11x 22KV Switchgear Feeders at Witkop 22/132kV Solar PV Plant Substation
 132/6.6kV 20MVA Blyvoor Mine Substation: (Conco Energy Solutions) 2019
Factory Acceptance Testing of 20MVA 132/6.6kV Transformer Panel for Blyvoor Mine Substation

Current Projects:

 Oukasie and Brits 2 Substations (Kapa Bokoni Trading & Projects) – 2018/2019
Scheme Design, Relays Logic Engineering, Panel wiring, Factory Acceptance Testing, Installation and commissioning of 88/11kV 10MVA substation. (Brits – South Africa)
 132/33kV 110.4 MW Perderkraal Windfarm Substation: Witzenburg Municipality Western Cape (Conco Energy Solutions) 2019
Relays Logic Engineering and Factory Acceptance Testing of 132/33kV Perderkraal 110.4 MW Windfarm Project.
 132/33kV 140.3 MW Kangnas Windfarm Substation: Nama Khoi Local Municipality Northern Cape (Conco Energy Solutions) – 2019
Relays Logic Engineering and Factory Acceptance Testing of 132/33kV Kangnas 140.3 MW Windfarm Project.
 88/11KV Hartbeesfontein Substation (Conco Energy Solutions) – 2019
Commissioning of 40MVA 88/11KV Transformer for Ekhuruleni Municipality
 220kV Interconnecting Transmission Substation: Grupotec Kenya (Conco Energy Solutions) – 2019
Scheme Relays Logic Engineering and Factory Acceptance Testing for Grupotec Kenya: 4 x 220kV breaker and a half schemes with 2 x 220kV Tie breakers and 220kV Buszone. Full IEC61850 configuration and testing
 220/33kV 40 MW Selenkei PV Substation: Grupotec Kenya (Conco Energy Solutions) – 2019
Relays Logic Engineering and Factory Acceptance Testing of 220/33kV 40 MW PV Project Substation. Full IEC61850 configuration and testing.
 220/33kV 40 MW Cedate PV Substation: Grupotec Kenya (Conco Energy Solutions) – 2019
Relays Logic Engineering and Factory Acceptance Testing of 220/33kV 40 MW PV Project Substation. Full IEC61850 configuration and testing.

Z

At Tocojy Energy Investments (Pty) Ltd we offer the following Services:

Electrical Engineering (HV, MV & LV Power Systems):

    • Design
    • Relay Logic Engineering
    • Factory Acceptance Testing
    • Commissioning
    • SCADA
    • Maintenance
    • Panel Manufacturing

Programming of Protection Relays:

  • Logic engineering or programming of SEL, ABB, Siemens-Reyrolle, Schneider-Micom, Alstom-Micom, Thytronic, LPS GCE, Vamp, Strike, Woodward, GE Multilin, RED-DA and Tapcon relays.
  • Programming of ION meters, Elster and Landis meters.

Commissioning & Testing:

  • Protection and Control Commissioning of Substations
  • Objective & Scope:
    The objective of the commissioning & testing is to verify the correct integration of primary & secondary Protection, Control & Metering Equipment for each Transformer, Motor & Feeder Bay, with the objective of signing each bay off as ready to be energized with primary voltage.

Testing all Primary Equipment:

  • Circuit Breakers
  • Current Transformers
  • Voltage Transformers
  • Power Transformers
  • NEC/NER/ Auxiliary Transformers

Proving Equipment Wiring to Design Drawings:

  • Circuit Breakers
  • Transformer Auxiliary Wiring
  • Tap Change Drive
  • Control Panel

Proving & Testing all Secondary Cables:

  • Continuity
  • Insulation resistance
  • Core & Cable Numbers

– Apply Relay Settings & Logic
– Secondary inject relays & other secondary equipment
– Function test complete scheme

| Substation Maintenance & Fault Analysis

| Upgrades/ Retrofits/ Modification

| Cable Termination

| Panel wiring & Testing

| Building Electrical installation &
Commissioning

| SCADA

Tocojy Energy Investments (Pty) Ltd has completed projects in Countries like: Namibia, Mauritius, Botswana, Lesotho and (Democratic Republic of Congo (DRC).

Completed Projects

 Nelson Mandela Metro (Conco Energy Solutions) – 2018
Relays Logic Engineering and Factory Acceptance Testing of 14 x 132kV Feeders for Nelson Mandela Metro (Chatty) Substation
 Greenyellow – Mauritius (Conco Energy Solutions) – 2018
Relays Logic Engineering and Factory Acceptance Testing of 22/66kV 14MVA for Solitude Mauritius PV Solar Substation
 Blyvooruitzicht Mine – EHL (Conco Energy Solutions) – 2018
Relays Logic Engineering and Factory Acceptance Testing of 132/6.6kV 20MVA for Substation
 Omnia Fertilizer – (Conco Energy Solutions) – 2018
Relays Logic Engineering and Factory Acceptance Testing of 14 x 11kV Actom Switchgear
 Ballito Hills Project – (Conco Energy Solutions) 2018
Relays Logic Engineering and Factory Acceptance Testing of 10 x 11kV Actom Switchgear
 Ampco Elite Substation (Conco Energy Solutions) – 2018
Relays Logic Engineering and Factory Acceptance Testing of 25 x 11kV Actom Switchgear
 Greenam Kokerboom PV Plant 66KV Project – 2018
Commissioning of 66kV 10MW Greenam Kokerboom PV Plant Substation to Nampower Transmission Substation (Namibia)
 Greenam Mariental PV Plant 66KV Project – 2018
Commissioning of 66kV 10MW Greenam Mariental PV Plant Substation to Nampower Hardap Substation (Namibia)
 22/66KV Solitude PV Solar Plant Substation (Conco Energy Solutions) – 2018
Commissioning of 14MVA Solitude 22/66kV Solar PV Plant Substation all the way to Central Electricity Board (CEB) for GreenYellow in Mauritius
 88/11KV Hartbeesfontein Substation (Conco Energy Solutions) – 2018
Commissioning of 5x Extension 11kV Switchgear Panels for Ekhuruleni Municipality
 11KV Witfontein North & South Substations (Conco Energy Solutions) – 2018
Relays Logic Engineering and Factory Acceptance Testing of 14 x 11kV Actom Switchgear
 11kV Orchards Nelspruit Substation (Conco Energy Solutions) – 2018
Relays Logic Engineering and Factory Acceptance Testing of 9 x 11kV Actom Switchgear
 400/220/132/33kV BPC Various Substations (Conco Energy Solutions) – 2018
Substations Fault Analysis and Providing/Implementing Solutions on the Network
 400/220/33kV BPC Letlhakane Substation (Conco Energy Solutions) – 2018/2019
Scheme Relays Logic Engineering and Factory Acceptance Testing for Botswana Power Corporation: 2x 400/220/33kV Transformer Feeders, 2x 33kV Line Reactor Feeders, 2x 400KV Line Feeders, 2x 400kV Bus Couplers, 3x 400kV Line Reactor Feeders, 2x 400kV Bus Sections, 1x 400kV Buszone, 1x 220kV Buszone, 4x 220kV Line Feeders and 1x 220kV Buscoupler.
 22/132KV Witkop PV Solar Plant Substation (Polokwane) – 2019
Commissioning/Maintenance of 2x 20MVA Transformers and 11x 22KV Switchgear Feeders at Witkop 22/132kV Solar PV Plant Substation
 132/6.6kV 20MVA Blyvoor Mine Substation: (Conco Energy Solutions) 2019
Factory Acceptance Testing of 20MVA 132/6.6kV Transformer Panel for Blyvoor Mine Substation

Current Projects:

 Oukasie and Brits 2 Substations (Kapa Bokoni Trading & Projects) – 2018/2019
Scheme Design, Relays Logic Engineering, Panel wiring, Factory Acceptance Testing, Installation and commissioning of 88/11kV 10MVA substation. (Brits – South Africa)
 132/33kV 110.4 MW Perderkraal Windfarm Substation: Witzenburg Municipality Western Cape (Conco Energy Solutions) 2019
Relays Logic Engineering and Factory Acceptance Testing of 132/33kV Perderkraal 110.4 MW Windfarm Project.
 132/33kV 140.3 MW Kangnas Windfarm Substation: Nama Khoi Local Municipality Northern Cape (Conco Energy Solutions) – 2019
Relays Logic Engineering and Factory Acceptance Testing of 132/33kV Kangnas 140.3 MW Windfarm Project.
 88/11KV Hartbeesfontein Substation (Conco Energy Solutions) – 2019
Commissioning of 40MVA 88/11KV Transformer for Ekhuruleni Municipality
 220kV Interconnecting Transmission Substation: Grupotec Kenya (Conco Energy Solutions) – 2019
Scheme Relays Logic Engineering and Factory Acceptance Testing for Grupotec Kenya: 4 x 220kV breaker and a half schemes with 2 x 220kV Tie breakers and 220kV Buszone. Full IEC61850 configuration and testing
 220/33kV 40 MW Selenkei PV Substation: Grupotec Kenya (Conco Energy Solutions) – 2019
Relays Logic Engineering and Factory Acceptance Testing of 220/33kV 40 MW PV Project Substation. Full IEC61850 configuration and testing.
 220/33kV 40 MW Cedate PV Substation: Grupotec Kenya (Conco Energy Solutions) – 2019
Relays Logic Engineering and Factory Acceptance Testing of 220/33kV 40 MW PV Project Substation. Full IEC61850 configuration and testing.

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