400 KV D/C GAZUWAKA-NUNNA LINE

COMMISSIONING AND ADVANTAGES

COMMISSIONING HIGHLIGHTS• GAZUWAKA-NUNNA-II CHARGED FROM

GAZUWAKA END AT 1626 ON 26/02/05 AND SYNCHRONISED AT NUNNA AT 1652 HRS

• GAZUWAKA-NUNNA-III CHARGED FROM GAZUWAKA END AT 2303 ON 27/02/05 AND SYNCHRONISED AT NUNNA AT 2315 HRS

PARAMETER BEFORE AFTER CHARGING CKT 2

NNA-GZK-1 360 278

GZK VOLT 404 407

PARAMETER BEFORE AFTER CHARGING CKT 3

NNA-GZK-1 260 220

GZK VOLT 411 414

ADVANTAGES OF THE LINE

• PLANNED FOR EVACUATION OF POWER FROM POLE 2 AT GAZUWAKA

• ALLEVIATED THE LOADING AND LOAD ANGLE ON THE S/C 400 KV GAZUWAKA-NUNNA LINE

• IMPROVED THE EVACUATION OF SIMHADRI AS WELL AS GAZUWAKA IMPORT

• LOSSES REDUCED BY 8 MW WITH FULL GENERATION AT SIMHADRI AND 500 MW IMPORT AT GAZUWAKA

• IMPROVED STABILITY IN N.COASTAL AP AREA• RELIEVED LOADINGS ON GAZUWAKA-KAKINADA-VTS

CORRIDOR