SALIENT TECHNICAL FEATURES FOR GENERATOR BUSDUCTS & ASSOCIATED EQUIPMENT, MV BUSDUCTS PACKAGE FOR TANDA TPP, STAGE-II (2x660MW)
“Salient Technical Features of the equipment/systems/services covered in IFB No. 40031425 is mentioned below. These Salient Technical Features are mentioned only to facilitate the prospective bidders to prima-facie understand the requirements under the tender and shall not in any way limit or alter the scope of work and technical features/specification of equipment/ systems/ services covered in the Bidding Documents. Detailed provisions in regard of scope of work and technical features/specification of equipment/systems/services, contained in the Bidding Document shall be final and binding.”
a. Scope includes design, manufacture, testing, supply, and erection and commissioning of Two sets of 660MW, 24kV Isolated Phase Busduct, along with associated CT’s PT & SP cubicles, NGT & NGR, pressurization system and support structure etc.
Rating of IPBD
ITEM |
Continuous Current (Amperes) |
Symmetrical S. C. kA (RMS) |
Momentary Peak (kA) |
1) Main Run |
23,500 |
149 |
414 |
2) Delta Run |
14,000 |
290 |
804 |
3) Tap-off for UT, VT, & SP Cubicle, NG Cubicle & Excitation Transformer |
2,250 |
290 |
804 |
b. Medium Voltage Segregated Phase Busduct for connection between Transformer and 11kV & 3.3kV switchgears.
c. Mandatory Spares
d. Type Test on Generator and Medium Voltage Busducts.