Time period 2004-2007

 CLIENT   PROJECT / OBJECT / TYPE OF WORK

"Heat and Power Supply - Sofia" AD

“Heat and Power Supply - Sofia” AD
"
Zemliane" - designandreconstructionofcontrol panelandCMI panelwith light and soundsignaling system

“Schneider Electric” Bulgaria

PortBourgasdesign for execution and revision of cable entry for 2panels SM6 DM1-W, erection oflow voltage superstructure of 450mmforSepam 1000+ andrelay protection Sepam 1000+

“Energotechnika” Ltd
branch ofENGINEERING DOBERSEK GmbH

“Heat and Power Supply - Sofia” Co
"
Zemliane" - design, delivery, installation andputting into operation of  4 reconstructedheating pumps withfrequencycontrol reconstruction of MV Switchgear 6kV

NEK AD
High Voltage"

"Maritza Iztok 2"TPP- erection anddelivery of 4 fully equipped relay panels for bays

NEK AD - "Trafoelectro-invest"

Erection of17 cubiclesforpower supply oftelemechanical and high frequency equipment

Kibernetika OOD

“Heat and Power Supply – Sofia” Co "Zemliane" - deliveryofmaterialsanderection worksforthe systemfor control ofthermo hydraulicprocess

NEK EAD,
"DamsandCascades"
Branch
"
Petrohan"

"Petrohan" Dam - erectionof distribution board anddistributionboxes

NEK AD - "Trafoelectro-invest"

"MaritzaIztok 2" TPP, "MaritzaIztok 3" TPP, "Kozlodui"NPP- Installation andconnection toSCADAsystem ofconverterforgenerator voltagemeasuringofthe generators in power plants

NEK AD
High Voltage"

"MaritzaIztok 2" TPP- design for replacement of circuit breakers, disconnectors, measuring transformers and surge arresters in 400 kV switchgear, revision of secondary connection part and supervision during construction works

NEK AD
High Voltage"

TPP "Varna" Substation, "VarnaNorth" substation
1. Designfor reconstructionof220V DC auxiliary power supply system
2.
DesignofMetering baysin 110кV switchyards


DEVEN JSCo,
Solvay Sodi,
Bulgaria

"Deven"TPP- Design for 20/6kV switchgear rehabilitation;

“Relay protection and automation”design

“Kozloduy” NPP

"NPPKozloduy" - Design, delivery and replacement of incomer breakers in sections 0,4 kV.

VA TEH Elin EBG Gmbx&Co branch Sofia

"SandanskaBistritza"Cascade - Rehabilitation

Schneider ElectricBulgaria

RuseTPP- Manufacture of 0,4 kV PRISMA P panels

NEK EAD - Branch "Rodopi" HPP

"Peshtera" TPP- HG5-  delivery, erection and commissioning of primary and secondary connection systems.

NEK AD
High Voltage"

"GornaOriahovitza" SubstationDesign for execution ofbus - bar protection

NEK AD
High Voltage"

"Burgas" Substation, "Metalurgichna" Substation - Design for execution of BFP system in 400kV switchyards

NEK AD
High Voltage"

"Maritza 3" TPP, Dimitrovgrad -Design for execution of bus - bar protection system - 110 kV switchyards

NEK AD
High Voltage"

"Kneja" Substation - Design for execution for bus coupler of bus-bar system 110kV

NEK EAD - Branch "Rodopi" HPP

HPP "Krichim" - Manufacturing, delivery, erection, commissioningandputtingintooperationofpanelsfor 110 kV, 20 kV and 10,5 kV switchgears, controlroom; Designandco-ordination of projects

NEK AD - "Trafoelectro-invest"

MaritzaIztok 2” TPP 400kV switchyard -engineering of panels for MV DC Switchgear in control room

NEK EAD - Branch "Rodopi" HPP

HPP "Aleko", HPP "Devin" - Design for execution of parts “Primary” and “Secondary” connections for replacement of power switches and metering transformers in 110 kV switchyard.

TelekontrolLtd

" MaritzaIztok Mines" - remotecontrolsystem ofS/SG.Mihailov”, S/S”2B”, S/S” 3thMarch”, S/SZapad”, S/SIzgrev”, S/SUgna”, S/SGledachevo”, S/SGipsovo”, S/S “1”, “7”, “8”, S/SCRB”.

SIEMENSLtd,
Bulgaria

"PlovdivSouth" 400/220/20kV Substation - Reconstructionand design for execution for parts “Civil works”, “Primary” and “Secondary”connections

Schneider ElectricBulgaria

National electrical company -10kVSwitchgear - Design of switchgear and automatic change-over system

Consortium,
Elmontaji
Targovishte

"Cherven briag"Substation - Design of earthing and lightning installationsfor 110kV switchyard and 20kV switchgear

NEK AD
High Voltage"

"Gabrovo"Substation- Design for execution for area lightingand lighting of 110 kV switchyards.

“Kozloduy” NPP

"Kozloduy" NPP - Design for execution for replacement of metering transformers in 110, 220, 400 kV switchyards

NEK AD
High Voltage" EPR Haskovo

MadjarovoSubstation- Design for execution of 20kV switchgear rehabilitation

NEK AD
High Voltage" EPR Haskovo

SlavianiSubstation- Reconstruction of auxiliary power supply 220V DC, new battery and replacement of the relay protections of 110kV and 20kV feeders

SIEMENSLtd,
Bulgaria

"Biala" Substation110/20kVdesign for execution for parts “Civil works”, “Primary connection” and “Secondary connection”.

ABB Ltd.
Bulgaria

"TargovishteZapad" Substation 110/20kV erection of substation for power supply of the glass factories ”Trakia glass Bulgaria”LTD, - Targovishte – design for execution for parts “Architecture”, “Civil works”, “Primary connection” and “Secondary connection”, manufacture of panels, commissioning, putting in operation.

ABB Ltd.
Bulgaria

"Kaliakra" Substationdesign for execution for construction of wind power station near the village of Balgarevo.

Schneider ElectricBulgaria

"Pleven"TPP-New 11,5kV Switchgear

NEK AD
High Voltage" EPR Stara Zagora

“TPP - switchyard „Maritza IztokSubstation Manufacture and delivery of 4 control panels; coupler, measure I bus coupler, measure II bus coupler.

NEK EAD, PTrafoelektroin

vest

“Varna” TPP -Rehabilitation 220 kV switchyards

NEK EAD, PTrafoelektroin

vest

“Bobov dol”TPP -Rehabilitation 110 and 220 kV switchyards, design to AC parts of build - engineering works

NEK AD
High Voltage systems”

”Zlatograd” S/s, “Smolian” S/s, “Severni Rodopi” S/s, “Velingrad” S/s – design for executions for mounting of digital relay protections for VL 110 kV and PT 110/20 kV

ABB Ltd.
Bulgaria

“Trakata” Substation 110/20 kV - commissioning, 20, 110kVswitchyard, MV switchyard

NEK AD
High Voltage"

“Varna Zapad” Substation -Delivery of  equipped control panels for rehabilitation of 110 kV switchyard

“Kozloduy” NPP

"NPPKozloduy" - Designfor new supports and foundations for replacement of metering transformers in 400 kV switchyards

Monbat Ltd
Montana

"Monbat"Ltd- Reconstruction of 2 20kV switchgears

NEK EAD, PTrafoelektro -
invest

GornaOriahovicaSubstation- Rehabilitation of 110kV and 220kV switchyards

NEK EAD - Branch "Rodopi" HPP

“Orfei” PSHPP - engineering works of second battery and DC power supply splitting.

NEK EAD, PTrafoelektro -
invest

“TPP Varna” Substation - Rehabilitation 220 kV switchyards - engineering

NEK EAD, PTrafoelektro -
invest

AlekoSubstation- Rehabilitation of 110kV and 220kV switchyards – design, erection and commissioning

NEK EAD, PTrafoelektro -
invest

“Stolnik” Substation - Rehabilitation 220 kV switchyards -engineering works- design for execution for secondary connection and manufactures of local control panels

NEK EAD, PTrafoelektro -
invest

“Tutrakan” Substation- 110 kV switchyardsextension-engineering  works- Design, delivery, erection and putting into exploitation ofsecondary connection system for 110 kV bus bar and “Pelikan” outgoing line

NEK EAD

NEK EAD- Preliminary design of information, power and measurement circuit and devices in energy metering panel. Several versions.

NEK EAD, PTrafoelektro-
invest

“Targoviste Zapad” Substation – engineering works - connection to “Malnia” OHL

Deven Co,
SolveySodi,
DevenBulgaria

"Deven" TPP- 6,3kV switchgear rehabilitation - design

NEK EAD,
PTrafoelektro -
invest

NEK EADCD- Reconstruction and rehabilitation of 0,4 kV switchyard, located in the building  of NEK EAD- engineeringworks

NEK EAD - Branch "Rodopi" HPP

HPP “Pestera”- Design, delivery, erection and putting into operation oftrade and controlmeasurement systemsin MV cells - 20kV and 10,5 kV

NEK EAD,
PTrafoelektro -
invest

VarnaSubstation 750kV - Rehabilitation of 400kV switchyard

Triera 55”

Kavarna- Commissioning of 20kV switchyard

NEK EAD

Rehabilitation of 220kV and 400kV relay protections of 23 substations and power plants in Bulgaria - design, erection and commissioning

NEK EAD

StudenkladenecHPP- Rehabilitation of 110kV switchyard and 10,5kV switchgear - design, erection and commissioning

NEK EAD

IvailovgradHPP- Rehabilitation of 110kV switchyard and 10,5kV switchgear - design, erection and commissioning

NEK EAD

KardjaliHPP- Rehabilitation of 110kV switchyard and 10,5kV switchgear - design, erection and commissioning

INOS 1 Ltd
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CEGELEC
France

Kaliakra Substation- design, erection and commissioning

Toplofikatzia Pleven

Toplofikatzia Pleven Connection of 110/11,5/6,3kV switchyard to the electrical  grid - design

Consortium
Elmontaji
Targovishte

Gorna Oriahovitza Substation- Rehabilitation of 220kV switchyard

NEK EAD,
PTrafoelektro -
invest

Maritza Iztok 3 TPP400kV switchyard preparation for SCADA systemintegrations

NEK EAD,
PTrafoelektro -
invest

Bobov dol TPP - Rehabilitation of 220kV and 110kV switchyardsand construction of the new control room

NEK EAD,
PTrafoelektro -
invest

Sofia Zapad Substation, 400kV Switchyard, Column №4 control cubicles – secondary connection design and commissioning

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