Time Period 2008-2012

 CLIENT   PROJECT / OBJECT / TYPE OF WORK
NEK EAD,

PTrafoelektro -
invest

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

Consortium
Elmontaji
Targovishte

Golden sandsS/s 110/20kV - Reconstruction

CarrefourAD

Hermes ParkSofiadesign of power supply of Trade Centre 

NEK EAD

PTrafoelektro -
invest

Golden sandsS/s - 20kV Switchgear circuit breakers replacement and Secondary connection – engineering works

NEK EAD

Chervena Mogila S/s400kV Switchyard rehabilitation

NEK EAD

TPPBobov Dol S/s- 220кV Switchyard rehabilitation and 110kV Switchyard reconstruction

NEK EAD

Chervena mogilaS/s- 400kV and 110kVSwitchyardsengineering of control panels

NEK EAD

TPP Republika”civil works - engineering

NEK EAD,
PTrafoelektro - invest

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

NEK EAD

RousseS/s 110/20 kV - 20 kV Switchgearcivil engineering works

 COMPLETED PROJECTS AND TASK IN FOREIGN COUNTRIES

Year 2009 

 CUSTOMER

PROJECT /OBJECT

Hyundai Heavy Industries

1."Zayat" S/s, Egypt- Cooling cabinet and local control cabinet for power transformers

2.Tunizia - Cubicles for local control of power transformers

3."Sharm El Sheikh" S/s, Egypt - Cooling cabinet and local control cabinet forpower transformer

 Year 2008

CUSTOMER

PROJECT /OBJECT

Hyundai Heavy Industries

1. Greece- Cooling cabinet and local control cabinet for power transformers

2. England - Cooling cabinet and local control cabinet for power transformers

3. India - Cooling cabinet and local control cabinet for power transformers; cubicles for remote control

4. Egypt, Bahteem - Cooling cabinet and local control cabinet for power transformers

5. Ireland - Cooling cabinet and local control cabinet for power transformers

6. Fuiarah, United Arab EmiratesCooling cabinet and local control cabinet for power transformers

7. France - Cooling cabinet and local control cabinet for power transformers

Year 2007

CUSTOMER

PROJECT /OBJECT

Hyundai Heavy Industries

1. „Alstom - "Sotto de Ribera" S/s, Spain Cooling cabinet and local control cabinet for power transformers

2. TanzaniaCooling cabinet and local control cabinet for power transformers

3. Pakistan - Cooling cabinet and local control cabinet for power transformers

4. Ghana - 8pcs power transformers- Cooling cabinets and local control cabinets

5. Cuba - Cooling cabinet and local control cabinet for power transformers

6. „Kadafe S/S,Venezuela - Cooling cabinet and local control cabinet for power transformers

7. Morocco - Cooling cabinet and local control cabinet for power transformers

 Year 2006

CUSTOMER

PROJECT /OBJECT

Hyundai Heavy Industries

1. Bahrain (SIDEM - France) – 3 pcs power transformersCooling cabinets and local control cabinets; control cabinet for OLTC

2. GreeceCooling cabinets and local control cabinets; control cabinet for OLTC for 4 power transformers

3. IcelandCooling cabinet and local control cabinet for power transformers

4. „Siemens” – Holland - Cooling cabinet and local control cabinet for power transformers

5. FinlandCooling cabinet and local control cabinet for power transformers

6. AlstomMalaga, SpainCooling cabinet and local control cabinet for power transformer

7. Bahrain (SIDEM - France)3 pcs power tansformersCooling cabinets and local control cabinets
 Year 2005

CUSTOMER

PROJECT /OBJECT

Hyundai Heavy Industries

1. Malaysia -Cooling cabinets and local control cabinets,relay protection cubicles for power transformers 11/132kV

  Year 2000

CUSTOMER

PROJECT /OBJECT

Hyundai Heavy Industries

1. Livan - New power transformer 150/66kV - Design and commissioning works

 

Time period 1992-1995

 CLIENT

PROJECT / OBJECT / TYPE OF WORK

“Kremikovtsi”AD

S/S GPP1 - design, commissioning of relay protections if 110 kV “Bogorov-East” и “Bogorov-West”

NEK EAD
"Trafoelektroinvest"

S/S  “Vetren” 400 kV - electrical design of cubicles for relay protection 400 kV;Electrical engineering and commissioning of secondary connections.

NEK EAD
"Trafoelektroinvest"

S/S  “Mizia” - Switch yard 400kV - project for secondary relay protection 400kV; Primary relay protection commissiong of power transformer 400/220/110кV; Fault recorders set up.

NEK EAD

"Eletrosnabdiavane" Pazardzhik

Electrical installations, Commissioning work, As build documentation of  ASDC in seven substations 110/20 kV

“Kremikovtsi” AD

TPP “Kremikovtsi” - electrical installation, engineering and commissioning of circuit breaker

NEK EAD
"Trafoelektroinvest"

S/S  “Tsarevets” - switch yard 400 kV - electrical design and engineering of cabinets for relay protections power line 400kV  and autotransformer. Fault recorders set up.

NEK EAD
"Trafoelektroinvest"

Electrical installation, design and commissioning  of registering equipment OSCILLOSTORE P531 - SIEMENS for  10 S/S 400kV

BTC

KRTC "Kopito" - Electrical design, electrical installations , commissing work of ASO, Emergency Lights

NEK EAD
"Trafoelektroinvest"

S/S "Varna" 750/400/15,75кV - expansion whit shunt reactor 200МVА, 420кV - electrical design - secondary connections and engineering of relay protections

NEK EAD
"Trafoelektroinvest"

S/S "Sofia - West” 400/110/31,5кV - expansion whit shunt reactor 200МVА, 420кV - electrical design - secondary connections and engineering of relay protections

NEK EAD
"Trafoelektroinvest"

HPP "Topolnitsa" - electrical installation and commissioning work for switch yard 20 kV

NEK EAD
"Trafoelektroinvest"

S/S "Dimitar Dimitrov" - Commissioning of switch yard 110 kV

NEK EAD
"Trafoelektroinvest"

S/S "Cherni vrah" - Electrical desing for remote controling

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

Time period 1996-1999

  

  CLIENT  PROJECT / OBJECT / TYPE OF WORK

NEK AD - "Trafoelectro-invest"

Main control center - Erection and commissioning of SCADA system in fourteen substations

"Heat and Power Supply - Sofia" AD

"Sofia - Iztok" TPP - Design of spare power supply of heating installations

АВВ Ltd.

"Chaika" Substation - Design, erection and commissioning of 110 kV switchgear - secondary connection and SCADA system

NEK AD - "Trafoelectro-invest"

"Asenovgrad" Substation - Design, erection and commissioning of AC and DC auxiliary power supply panels, control and relay panels

VMZ- AD - Sopot

"Karnare" Substation - Design, erection and commissioning of relay panel for 110/20 kV power transformer

NEK AD - "Trafoelectro-invest"

"Bononia" Substation - Design, erection and commissioning of control and relay panels, commissioning of 110 kV switchyard

NEK AD

“Kozloduy” NPP - commissioning of 110 kV overhead transmission line "Raketa"

NEK AD - "Trafoelectro-invest"

"Vidin 1" Substation - Design, erection and commissioning of relay panels for four 110 kV overhead transmission lines

NEK AD - "Trafoelectro-invest"

"Vidin 2" Substation - Design, erection and commissioning of control and relay panels and marshalling boxes, commissioning of 110 kV switchyard

NEK AD - "Trafoelectro-invest"

"Pioner" Substation - Commissioning of 110 kV switchyard and 20 kV and 10 kV switchgear

NEK AD - "Trafoelectro-invest"

"Plovdiv - Center" Substation - Design, erection and commissioning of AC and DC panels, control and relay panels

NEK AD

“Kozloduy” NPP - commissioning of generator circuit breakers in BGT - 7 and BGT - 8 - block IV

"Petrohan" television center

Erection and commissioning of 20 kV switchgear - manufactured by ABB

"Trafel" AD

"Sofia - Iztok" TPP - Design for reconstruction of 110 kV switchyard

"Heat and Power Supply - Sofia" AD

"Zemliane" Heat and Power Supply - Erection and commissioning of relay protections for power transformers

"Enemona M" - Kozloduy

“Kozloduy” NPP - Commissioning of 220 kV and 400 kV switchyards. Replacement of circuit breakers of feeders 3, 5, 19, 21, 35, 47.

"Trafel" AD

"Sofia - Iztok" TPP - Commissioning of 110 kV switchyard

"Trafel" AD

"Sofia - East" TPP - Design of SCADA system of 110 kV switchyard

VMZ- AD - Sopot

"Karnare" Substation - setting of 110 kV overhead transmission line relay protections

"Heat and Power Supply - region Lulin"

“Moderno predgradie” Heat and Power Supply - replacement of 6.3 kV Motor protections by static relay protections - ABB supply

“Heat and Power Supply - V.Tarnovo”

“V. Tarnovo” Termal Power Supply - Design, erection and commissioning of capacitor bank and supervision of steam boilers air fans upgrade - supplier “Group Schneider”

"Trafel" AD

"Sofia - East" TPP - Design of Underfrequency Protection (Load shedding)

"Heat and Power Supply - region Lulin"

"Luilin" Heat and Power Supply - replacement of motor protections with static ones, delivered by АВВ - design, erection and commissioning

"Trafel" AD

”Sofia - East” TPP - Execution of the project for remote supervisory control of 110 kV switchyard

DSK Bank AD

DSK Bank-Central Administration -Sofia - Power electrical installation for supply of computer network: assembling and erection of switchboards and cables. Design, erection and testing of computer network earthing

VMZ- AD - Sopot

“Sopot” Substation - 110 kV Switchyard - Design - primary and secondary connection

STCT “Electrotransport” “Transenergy” -section

“Pioner” Substation - 10 kV Switchgear - Equipment supply erection and commissioning works.

“Geovodengineer-ing” Ltd.,
Sofia

“Freshwater fish breeding” - Plovdiv Power supply of 22 kW pumps

"Heat and Power Supply - Sofia" AD

"Zemliane" Heat and Power Supply – Reconstruction of 6 kV switchgear, 220 VDC auxiliary supply and new mimic diagram - design

“Tehnomilk” AD, Sofia

Department for manifacturing of milk production of “ELBI Bulgaricum” – indoor electrical installations - Vidin

Munition Factory “Sopot”

“Sopot” Substation - 110 kV Switchyard - erection and commissioning works.

"Trafel" AD

“Kozloduy” NPP - Replacement of circuit breakers – erection and commissioning works in 220 kV switchyard, feeders No.1, 7 and 15

NEK AD - "Trafoelectro-invest"

TzarevetzSubstation- Commissioning and putting into operation of Transformer T2 400/110/31,5 kV

“Sofia - East” TPP

"Sofia - East” TPP -Reconstruction works - Design, deliveries, erection works (secondary connection) and commissioning of 6 kV switchgear, TG4, 0,4 kV Auxiliary supply, 6 kV ATS and 0,4 kV ATS

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