Work done by the Saint-Petersburg branch in December, 2011

Lesogorskaya HEPP

1. Framework for 110kV isolating switches;
2. Removal/installation of enclosure boxes (2200x800x600);
3. Removal/installation of TN-110kV (450 kg)
4. Removal/installation of metalwork constructions for TN-110kV
5. Cable laying (control and power cable).
6. Cable connection/wiring activities (2.5 mm cable)
7. High-voltage equipment (removal/installation), section 9 “LS-10”
   • Air circuit breaker, 110kV
   • Isolating switch, 110kV
   • CT, 110kV
   • Combined voltage/current transformer, 110kV
   • Busbar support constructions, 110kV
   • Suspended rod insulators, 110kV
   • Rigid busbar system (copper piping, 50mm across)
   • Copper piping work;
   • Suspension string, 110kV (4 PF-70 insulators)
   • HF choke, coupling capacitor – 110kV
   • Connection equalizer
   • Contact breaker 10kV/400A
   • Metalwork constructions.
8. Installation of equipment – 110 kV boxed sections, “LS-10” and “TN-110kV” Isolating switch, 110kV
   • Installation of control boxes (300 kg each)
9. Painting work at the rigid busbar system (50, 32 mm);
10. Metalwork production;
    • for isolating switches, 110kV
    • combined V/A transformers, 110kV;
    • Control boxes
11. Relevant cable/wiring work.
    • KP-100х100х2000
    • KP-200х150х2000
    • ZPO 500x200x2000
12. Cable passageways 100x100x150, drilling into concrete constructions;

TPP-15

1. Removal/installation, calibration works; Busbar arrangement;
2. Installation of a service platform;
3. Busbar work at section 2,
4. facelift of equipment foundation platforms;
5. painting work at metal constructions;
6. Removal of the old cable, section 2;
7. Insulation, power/control cable – laying, connection, wiring;
8. Relay protection system, blinkers, connection, wiring, in-house wiring of board No 40 inside the RS-1 building
9. Closing of the cable joints (SSG-110kV, section 2)
10. Cable laying, wiring, connection/same with equipment at the K-142 segment (SSG-110kV, RS-2)
11. Removal/installation of 11P,12P boards in building K-142;
12. Removal of the old cable, segment K-142;
13. All removed equipment was transported off the premises;

TPP-17

1. Installation of TT GIF-30 (1000/5 0,5S) 35kV
2. Installation of TT GIF-36 (600/5 0,5S) 35kV
3. Installation of TT VEF-36, 35kV
4. Installation of a GRNP-1a-110 isolating switch;
5. Installation of TH OTEF
6. Installation of an RG(P)-5 isolating switch;
7. Removal/installation of a TT 6kV
8. Removal/installation of some metering equipment;
9. Cable laying work (KVVGEng, 7x1.5)
10. Installation of TT and TN boxes
11. Installation of secondary control wiring boxes;

TPP-14

1. Preparation of as-built files.
2. Follow-up correction work.

TPP-5

1. Main building.
   • Generator current leads;
   • Cable passageways at boiler/machine house;
   • Installation of CAD boxes;
   • Installation of 0.4 BOP switchgear equipment;
   • Installation of CAD boxes in other rooms;
2. AUT
   • flexible busbar wiring for a 110kV package transformer;
   • 330kV and 110kV over-voltage limiters - installation
   • Seamless current lead system (Bettobar) at GTU No1 and GTU No2
3. “Oktyabrskaya” substation
   • Cable laying work (control and power cable).
   • ACS boxes – installation inside the relay protection buildings (secondary switchgear facilities)
   • Installation of a 110kV PASS MO circuit breaker.
4. Cooling tower
   • Cable laying work (for the lighting system and valve drives)